MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 499b9aba5bbcc6a66bc341089f9cf3debf205fc2ac3c9ee85862f395bc9eed66. 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: 11
| SHA256 hash: | 499b9aba5bbcc6a66bc341089f9cf3debf205fc2ac3c9ee85862f395bc9eed66 |
|---|---|
| SHA3-384 hash: | 728e8c4a34fc750c04faf834951857a6742fe0ed7912f3bca4df9fd4f4e4821b4f9c40486f4d94e25302441a75ca8a7e |
| SHA1 hash: | 4538590bf30d9d327096b400bda830c9a8ecfbd8 |
| MD5 hash: | 049beb5bd6479d222434a1a77620abf2 |
| humanhash: | lake-south-two-william |
| File name: | 049beb5bd6479d222434a1a77620abf2 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 664'576 bytes |
| First seen: | 2023-11-28 03:47:10 UTC |
| Last seen: | 2023-11-28 05:15:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger) |
| ssdeep | 12288:G0CQmbCpnURvq8fgCO3/TlrA/Spiv7Ad+3itGGGB6UTDCAHGHRAO9:LMXarxoAd+aGkUylxAO9 |
| Threatray | 341 similar samples on MalwareBazaar |
| TLSH | T17EE42323307CBA13D66ED2FB56996562877471262A40EFD02DA660EE79F3F104320F97 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | 68c4d2d2725a5252 (10 x Formbook, 8 x AgentTesla, 3 x SnakeKeylogger) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
331
Origin country :
FRVendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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.
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-28 03:48:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 23 (73.91%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 331 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
a89bac9dc367e40e1c54fe9bba3fdbecaf37ade14a6e48793671c7ab1b90eeba
MD5 hash:
a4facccc3557e6f06dda9fde43949f3c
SHA1 hash:
c060cd4a2eef1dde284a8c11b12e551fcf884387
SH256 hash:
070e8a42b47f7cb36c6ee9335c0a6341ba66681fb4e694deb06ceff90e453201
MD5 hash:
bbfa42b89636baa3484077a3315795fd
SHA1 hash:
a07cbb0e73aec5c44c0eebd3e28ccdd01a529f33
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
SH256 hash:
2a0290a662e89a81ed2d9c73e54a0aeba209fc36617f134cf0aaa74690db47db
MD5 hash:
4820945deb84d6bd26460e8a6ba0c622
SHA1 hash:
c519540ad21594fa45fcc2e6e15cfbea8b3449b9
SH256 hash:
f8183b7ae020d484009140fdf4d849c1cf6524e4430d96fb81d8b31f218dd783
MD5 hash:
d46ae4103c706027d999e5df11e4eb8d
SHA1 hash:
c33d84bf9772b3b245a888959aa9aba9407dd086
SH256 hash:
499b9aba5bbcc6a66bc341089f9cf3debf205fc2ac3c9ee85862f395bc9eed66
MD5 hash:
049beb5bd6479d222434a1a77620abf2
SHA1 hash:
4538590bf30d9d327096b400bda830c9a8ecfbd8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | NET |
|---|---|
| Author: | malware-lu |
| 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
Comments
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