MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 25839ba93d33dda960d99110ae98f42e89056233264f11d18b65727a79e4bd62. 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: | 25839ba93d33dda960d99110ae98f42e89056233264f11d18b65727a79e4bd62 |
|---|---|
| SHA3-384 hash: | 6737f428f39b2d7da7c843f352c31f3e22e6813135ccdd671104a79210f0c1eefb7c4258ebae0383592d200f94149f9c |
| SHA1 hash: | bbfd4f5e701d99ec2f258a1585c0ba511ab33c2a |
| MD5 hash: | 4c273ea74257fef4e25796421320b5fd |
| humanhash: | video-steak-lactose-one |
| File name: | 4c273ea74257fef4e25796421320b5fd |
| Download: | download sample |
| Signature | Formbook |
| File size: | 584'192 bytes |
| First seen: | 2021-06-30 08:58:22 UTC |
| Last seen: | 2021-06-30 09:50:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:sOfEFVzMFzYvFbbGC/7+pM6xnkQc5Q13JGpKbjL8DP:Fka8RbDD+pPCQc5Q4+cP |
| Threatray | 6'080 similar samples on MalwareBazaar |
| TLSH | C3C4DF6231589E7BF2031CB64C1DE6A215976D24609AF51C64AE374F19F232243EFB2F |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c273ea74257fef4e25796421320b5fd
Verdict:
Malicious activity
Analysis date:
2021-06-30 09:01:21 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:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Verdict:
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
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Bulz
Status:
Malicious
First seen:
2021-06-30 08:59:09 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'070 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lifeafterbobby.com/vn3b/
Unpacked files
SH256 hash:
b843ddf89f180973bacb8d8ecc882aff2a1650f6ac37b12f2c1cc16e35871170
MD5 hash:
40e48c0c165c7c22f5b038c40692a64e
SHA1 hash:
96ce7909e34bdb5eb468e5ba946329bbb2201c17
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
9108189871a6514cc8e19b329d2ab2f627bcda94cf1ad6d33e7d6490ba1553f8
MD5 hash:
138dbffd53e943cc126cb16b4eaf829a
SHA1 hash:
5e431e82faa4aea37a9cbde322aed6455961b1c7
SH256 hash:
8db8d9cb811f69b355f946106f670d1195dfa6e1408936cb2656b2666d72d18e
MD5 hash:
f101c937747fe355c6da815062b018f5
SHA1 hash:
5a2dd9e07196f7dde557c6e20828beaf95d297a7
SH256 hash:
25839ba93d33dda960d99110ae98f42e89056233264f11d18b65727a79e4bd62
MD5 hash:
4c273ea74257fef4e25796421320b5fd
SHA1 hash:
bbfd4f5e701d99ec2f258a1585c0ba511ab33c2a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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