MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91a4088de46853519f714462e98f3f8abd09ca5c71903639083cc3e1036a8406. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Formbook
Vendor detections: 10
| SHA256 hash: | 91a4088de46853519f714462e98f3f8abd09ca5c71903639083cc3e1036a8406 |
|---|---|
| SHA3-384 hash: | 37f62073610128176c7dd98ae688533b4c958cb12a6c16a260e34f2f26eddf876007ec3562b14ede5fcd81a1b2e77c53 |
| SHA1 hash: | 0d34939e91c6602c9a6e597cbd11a8bfdbf2cca5 |
| MD5 hash: | 8e5d6b2296ea685b38bbec27e7be6949 |
| humanhash: | emma-bulldog-social-yellow |
| File name: | банковский перевод pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 562'688 bytes |
| First seen: | 2021-04-08 16:45:44 UTC |
| Last seen: | 2021-04-08 16:56:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:6GlxSAkV97XqUzVxR99bnTGzcCb1dhkOb8mCX4il:rlxSvTzFTGz5brhkIK/ |
| Threatray | 4'609 similar samples on MalwareBazaar |
| TLSH | 7FC4022523A88F18D47CEB38503091003BF9BE56A736DB8EADD131DE5A32F458B56B53 |
| Reporter |  cocaman |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
банковский перевод pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-04-08 17:04:38 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-04-08 06:19:26 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 4'599 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ostecosarcomamd.com/gmn/
Unpacked files
SH256 hash:
6590b9ec4fa84e44c372fda26f47d6d58859d74869621c6bdd4086e6ae411379
MD5 hash:
95dfa1a9015a17a1d49b4faa3f3d999d
SHA1 hash:
427b72727b28436554d0443d797f19b2ea37cc16
SH256 hash:
91a4088de46853519f714462e98f3f8abd09ca5c71903639083cc3e1036a8406
MD5 hash:
8e5d6b2296ea685b38bbec27e7be6949
SHA1 hash:
0d34939e91c6602c9a6e597cbd11a8bfdbf2cca5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Other
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