MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91e13d173fb96f025e17161b61686fa06272a048eececeb7d4e95ecdcb3de4b8. 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: 12
| SHA256 hash: | 91e13d173fb96f025e17161b61686fa06272a048eececeb7d4e95ecdcb3de4b8 |
|---|---|
| SHA3-384 hash: | 54c927b68c1a1d6e67a6c49cdd8edcfbdfe2c00ea8a7aeaf2a7d3678c91264e2c29630537129e757bbbd24709c2cba6d |
| SHA1 hash: | b336c7d9be09da112aee1045b71099a40bd2cd4e |
| MD5 hash: | 9a5699fc070d72125d7a319566f9f8a1 |
| humanhash: | pluto-mango-october-alpha |
| File name: | 3-23.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 951'808 bytes |
| First seen: | 2021-03-23 09:39:35 UTC |
| Last seen: | 2021-03-23 11:55:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 12288:bjcvValjxqjLAXkv8mIEe3T5DuyW0nOysIRjZbeffID/2fd+cJ1Xj0GPlJiJE:IbUsVI3T9G0OysIR1beoDM+kj0giJE |
| Threatray | 4'228 similar samples on MalwareBazaar |
| TLSH | 6915F58C5C9AC0CAC6750BB882CED9EA46DA5FF30F2298BAF5C897C7C531741F50A525 |
| Reporter |  cocaman |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3-23.exe
Verdict:
Malicious activity
Analysis date:
2021-03-23 09:40:21 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-03-23 09:40:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 25 (84.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
remcos
Similar samples:
+ 4'218 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.unitedfootballcamps.com/bf3/
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
SH256 hash:
91e13d173fb96f025e17161b61686fa06272a048eececeb7d4e95ecdcb3de4b8
MD5 hash:
9a5699fc070d72125d7a319566f9f8a1
SHA1 hash:
b336c7d9be09da112aee1045b71099a40bd2cd4e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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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