Windows
Analysis Report
Quotation List Pdf.exe
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected FormBook
AI detected suspicious sample
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ping.exe to check the status of other devices and networks
Uses regedit.exe to modify the Windows registry
Writes to foreign memory regions
Allocates memory with a write watch (potentially for evading sandboxes)
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found evasive API chain (date check)
Found inlined nop instructions (likely shell or obfuscated code)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
IP address seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains sections with non-standard names
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Sigma detected: Uncommon Svchost Parent Process
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64
Quotation List Pdf.exe (PID: 3020 cmdline:
"C:\Users\ user\Deskt op\Quotati on List Pd f.exe" MD5: 9CFD62FC26438EEB8A50922265AD0EA7) conhost.exe (PID: 6220 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) svchost.exe (PID: 3688 cmdline:
"C:\Window s\System32 \svchost.e xe" MD5: B7F884C1B74A263F746EE12A5F7C9F6A) regedit.exe (PID: 7008 cmdline:
"C:\Window s\regedit. exe" MD5: 999A30979F6195BF562068639FFC4426) vbc.exe (PID: 6852 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\vbc .exe" MD5: 0A7608DB01CAE07792CEA95E792AA866) tiwTBKVufjvhPL.exe (PID: 6260 cmdline:
"C:\Progra m Files (x 86)\imKjXZ cdkPvaNBmo hymPyGBpYq HlJGFXfRwQ SYwktKdQat hTVR\tiwTB KVufjvhPL. exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) PING.EXE (PID: 1160 cmdline:
"C:\Window s\SysWOW64 \PING.EXE" MD5: B3624DD758CCECF93A1226CEF252CA12) tiwTBKVufjvhPL.exe (PID: 5992 cmdline:
"C:\Progra m Files (x 86)\imKjXZ cdkPvaNBmo hymPyGBpYq HlJGFXfRwQ SYwktKdQat hTVR\tiwTB KVufjvhPL. exe" MD5: 32B8AD6ECA9094891E792631BAEA9717) firefox.exe (PID: 4788 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\Firefo x.exe" MD5: C86B1BE9ED6496FE0E0CBE73F81D8045)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Formbook, Formbo | FormBook contains a unique crypter RunPE that has unique behavioral patterns subject to detection. It was initially called "Babushka Crypter" by Insidemalware. |
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Click to see the 11 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
|
System Summary |
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Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: vburov: |
Timestamp: | 07/01/24-15:45:01.553785 |
SID: | 2856318 |
Source Port: | 49713 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | ReversingLabs: |
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Source: | Code function: | 7_2_0309BE10 |
Source: | Code function: | 0_2_00007FF768431C50 | |
Source: | Code function: | 0_2_00007FF768431C50 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684BDD30 | |
Source: | Code function: | 0_2_00007FF7684F3D20 | |
Source: | Code function: | 0_2_00007FF76856D7E0 | |
Source: | Code function: | 7_2_030896A0 | |
Source: | Code function: | 7_2_03660542 |
Networking |
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