MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 77b910c55fbbd7f039208e66d79081fc98114685535974d5985546aea049d502. 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: 14
| SHA256 hash: | 77b910c55fbbd7f039208e66d79081fc98114685535974d5985546aea049d502 |
|---|---|
| SHA3-384 hash: | da521f41d3de8128a39e3d132f7dcee6529084f16deb30fa5c9abb95540c61fe93c0bac56689ff318f21c707598cf08b |
| SHA1 hash: | 6bdc1fc12e30dac2c90edf38fec8a721d6334a9f |
| MD5 hash: | 961f89c271d8ac52c111d907452d517d |
| humanhash: | table-snake-triple-bulldog |
| File name: | SecuriteInfo.com.Win32.PWSX-gen.24012 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 947'712 bytes |
| First seen: | 2022-09-06 10:45:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:DiyJC3FcwdzcL7N2ggnURAlT9ZoIiiYgb83n0zwntSj/l:jg3FBdziULnFoSb83nrntSDl |
| TLSH | T186150A0B219409A5C83251FCA4DCC17357AA9E45E63BC9497FCA9CEFF192F6C42D22E1 |
| TrID | 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.5% (.SCR) Windows screen saver (13101/52/3) 9.2% (.EXE) Win64 Executable (generic) (10523/12/4) 5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.9% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.24012
Verdict:
Suspicious activity
Analysis date:
2022-09-06 10:47:27 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 custom TCP request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
96 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-09-06 10:46:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
17 of 26 (65.38%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:f48y rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
39fe1f4d8a6a1ea85403431ed454d0f0c5b196af8f0836f0c13e4800ebd4a72b
MD5 hash:
ab41e51ffefb3aeb38258da1ee5b726f
SHA1 hash:
b4189e65c59b686529b7ac582840950754501a7b
Detections:
FormBook
win_formbook_auto
win_formbook_g0
SH256 hash:
e880210d04fe580dc10296b39c5733757d589fce3d7c601b0bf4092a18e5348a
MD5 hash:
5e1a609dd40b6d7eb60df0e72db10adf
SHA1 hash:
dcffcd3d4a61dbd54b11bca171bf8503c05872b4
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
SH256 hash:
0901d474431b0c82df04ff5d213c3cabd0be1dac732d4ad1590984106185f7fd
MD5 hash:
da3e6d24d1b0ebd19464fcc295650a48
SHA1 hash:
ba962821ddd024d091d055730a03fb946787dda1
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
77b910c55fbbd7f039208e66d79081fc98114685535974d5985546aea049d502
MD5 hash:
961f89c271d8ac52c111d907452d517d
SHA1 hash:
6bdc1fc12e30dac2c90edf38fec8a721d6334a9f
Malware family:
FormBook
Verdict:
Malicious
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| 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.
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