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Windows
Analysis Report
lem.exe
Overview
General Information
Detection
Vidar
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Search for Antivirus process
Suricata IDS alerts for network traffic
Yara detected Powershell download and execute
Yara detected Vidar stealer
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Drops PE files with a suspicious file extension
Found API chain indicative of sandbox detection
Found many strings related to Crypto-Wallets (likely being stolen)
Monitors registry run keys for changes
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Contains functionality for read data from the clipboard
Contains functionality to block mouse and keyboard input (often used to hinder debugging)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to communicate with device drivers
Contains functionality to dynamically determine API calls
Contains functionality to execute programs as a different user
Contains functionality to launch a process as a different user
Contains functionality to launch a program with higher privileges
Contains functionality to modify clipboard data
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate keystroke presses
Contains functionality to simulate mouse events
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Detected potential crypto function
Drops PE files
Drops PE files to the application program directory (C:\ProgramData)
Drops files with a non-matching file extension (content does not match file extension)
Enables debug privileges
Found dropped PE file which has not been started or loaded
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
OS version to string mapping found (often used in BOTs)
PE / OLE file has an invalid certificate
PE file contains an invalid checksum
Potential key logger detected (key state polling based)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Browser Started with Remote Debugging
Stores files to the Windows start menu directory
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Uses insecure TLS / SSL version for HTTPS connection
Yara detected Credential Stealer
Yara signature match
Classification
- System is w10x64
- lem.exe (PID: 528 cmdline:
"C:\Users\ user\Deskt op\lem.exe " MD5: 5782BEA403267E4A6DDF82263332ED59) - cmd.exe (PID: 5428 cmdline:
"C:\Window s\System32 \cmd.exe" /c move Co hen Cohen. cmd & Cohe n.cmd MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 5044 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - tasklist.exe (PID: 5700 cmdline:
tasklist MD5: 0A4448B31CE7F83CB7691A2657F330F1) - findstr.exe (PID: 6004 cmdline:
findstr /I "opssvc w rsa" MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - tasklist.exe (PID: 2796 cmdline:
tasklist MD5: 0A4448B31CE7F83CB7691A2657F330F1) - findstr.exe (PID: 3636 cmdline:
findstr "A vastUI AVG UI bdservi cehost nsW scSvc ekrn SophosHea lth" MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - cmd.exe (PID: 6200 cmdline:
cmd /c md 105235 MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - extrac32.exe (PID: 5960 cmdline:
extrac32 / Y /E Autho rization MD5: 9472AAB6390E4F1431BAA912FCFF9707) - findstr.exe (PID: 5972 cmdline:
findstr /V "aid" Div ision MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - cmd.exe (PID: 5612 cmdline:
cmd /c cop y /b 10523 5\Inf.com + Proceedi ngs + Reco very + Web ster + Sun glasses + Cultural + Tulsa + B eing + Nam e + Silico n + Subtle 105235\In f.com MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - cmd.exe (PID: 1848 cmdline:
cmd /c cop y /b ..\Gl ad + ..\No rway + ..\ Tired m MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - Inf.com (PID: 1276 cmdline:
Inf.com m MD5: 62D09F076E6E0240548C2F837536A46A) - chrome.exe (PID: 3136 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --re mote-debug ging-port= 9223 --pro file-direc tory="Defa ult" MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - chrome.exe (PID: 4404 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --ty pe=utility --utility -sub-type= network.mo jom.Networ kService - -lang=en-U S --servic e-sandbox- type=none --mojo-pla tform-chan nel-handle =2296 --fi eld-trial- handle=202 8,i,955879 2887393012 280,750728 3471995662 44,262144 /prefetch: 8 MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - msedge.exe (PID: 3788 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=922 3 --profil e-director y="Default " MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 1996 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=net work.mojom .NetworkSe rvice --la ng=en-GB - -service-s andbox-typ e=none --m ojo-platfo rm-channel -handle=26 12 --field -trial-han dle=2348,i ,168257002 6106078149 7,45423435 8626382809 6,262144 / prefetch:3 MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 2884 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=922 3 --profil e-director y="Default " MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 1012 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=net work.mojom .NetworkSe rvice --la ng=en-GB - -service-s andbox-typ e=none --m ojo-platfo rm-channel -handle=25 00 --field -trial-han dle=2240,i ,290654997 7917240690 ,436761562 3914022411 ,262144 /p refetch:3 MD5: 69222B8101B0601CC6663F8381E7E00F) - choice.exe (PID: 576 cmdline:
choice /d y /t 5 MD5: FCE0E41C87DC4ABBE976998AD26C27E4)
- msedge.exe (PID: 1200 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=922 3 --profil e-director y=Default --flag-swi tches-begi n --flag-s witches-en d --disabl e-nacl --d o-not-de-e levate MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 1960 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=net work.mojom .NetworkSe rvice --la ng=en-GB - -service-s andbox-typ e=none --m ojo-platfo rm-channel -handle=19 56 --field -trial-han dle=2176,i ,277776287 6112308581 ,590172647 7067019011 ,262144 /p refetch:3 MD5: 69222B8101B0601CC6663F8381E7E00F)
- msedge.exe (PID: 2436 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=922 3 --profil e-director y=Default --flag-swi tches-begi n --flag-s witches-en d --disabl e-nacl --d o-not-de-e levate MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 2372 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=net work.mojom .NetworkSe rvice --la ng=en-GB - -service-s andbox-typ e=none --m ojo-platfo rm-channel -handle=27 12 --field -trial-han dle=2060,i ,148327266 5922063931 9,15004064 9423177533 71,262144 /prefetch: 3 MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 7204 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=ass et_store.m ojom.Asset StoreServi ce --lang= en-GB --se rvice-sand box-type=a sset_store _service - -mojo-plat form-chann el-handle= 6504 --fie ld-trial-h andle=2060 ,i,1483272 6659220639 319,150040 6494231775 3371,26214 4 /prefetc h:8 MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 7216 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=ent ity_extrac tion_servi ce.mojom.E xtractor - -lang=en-G B --servic e-sandbox- type=entit y_extracti on --onnx- enabled-fo r-ee --moj o-platform -channel-h andle=6820 --field-t rial-handl e=2060,i,1 4832726659 220639319, 1500406494 2317753371 ,262144 /p refetch:8 MD5: 69222B8101B0601CC6663F8381E7E00F)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Vidar | Vidar is a forked malware based on Arkei. It seems this stealer is one of the first that is grabbing information on 2FA Software and Tor Browser. | No Attribution |
{"C2 url": "https://steamcommunity.com/profiles/76561199809363512", "Botnet": "m0nk3"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
Click to see the 9 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
infostealer_win_vidar_strings_nov23 | Finds Vidar samples based on the specific strings | Sekoia.io |
|
System Summary |
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Source: | Author: pH-T (Nextron Systems), Nasreddine Bencherchali (Nextron Systems): |
HIPS / PFW / Operating System Protection Evasion |
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Source: | Author: Joe Security: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-27T07:00:50.573984+0100 | 2044247 | 1 | Malware Command and Control Activity Detected | 188.245.216.205 | 443 | 192.168.2.5 | 49774 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-27T07:00:53.193412+0100 | 2051831 | 1 | Malware Command and Control Activity Detected | 188.245.216.205 | 443 | 192.168.2.5 | 49780 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-27T07:00:48.168332+0100 | 2049087 | 1 | A Network Trojan was detected | 192.168.2.5 | 49768 | 188.245.216.205 | 443 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-27T07:00:45.763263+0100 | 2859378 | 1 | Malware Command and Control Activity Detected | 192.168.2.5 | 49762 | 188.245.216.205 | 443 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: |
Source: | Malware Configuration Extractor: |
Source: | Virustotal: | Perma Link |
Source: | Integrated Neural Analysis Model: |
Source: | Static PE information: |
Source: | HTTPS traffic detected: |
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: |
Source: | Static PE information: |
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 0_2_00406301 | |
Source: | Code function: | 0_2_00406CC7 | |
Source: | Code function: | 13_2_00A7DC54 | |
Source: | Code function: | 13_2_00A8A087 | |
Source: | Code function: | 13_2_00A8A1E2 | |
Source: | Code function: | 13_2_00A7E472 | |
Source: | Code function: | 13_2_00A8A570 | |
Source: | Code function: | 13_2_00A866DC | |
Source: | Code function: | 13_2_00A4C622 | |
Source: | Code function: | 13_2_00A873D4 | |
Source: | Code function: | 13_2_00A87333 | |
Source: | Code function: | 13_2_00A7D921 |
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior |
Source: | Memory has grown: |
Networking |
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Source: | Suricata IDS: | ||
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Source: | Suricata IDS: |
Source: | URLs: |
Source: | HTTP traffic detected: |
Source: | IP Address: | ||
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Source: | JA3 fingerprint: | ||
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Source: | HTTPS traffic detected: |
Source: | TCP traffic detected without corresponding DNS query: | ||
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Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
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Source: | TCP traffic detected without corresponding DNS query: | ||
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Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: |
Source: | Code function: | 13_2_00A8D889 |
Source: | HTTP traffic detected: | ||
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Source: | HTTP traffic detected: |
Source: | String found in binary or memory: | ||
Source: | String found in binary or memory: | ||
Source: | String found in binary or memory: | ||
Source: | String found in binary or memory: | ||
Source: | String found in binary or memory: | ||
Source: | String found in binary or memory: | ||
Source: | String found in binary or memory: |