MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b334948991343e7c83707d03ba19c913841e49022c74c1f890f036bdbc04071c. 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: | b334948991343e7c83707d03ba19c913841e49022c74c1f890f036bdbc04071c |
|---|---|
| SHA3-384 hash: | 20b05c2be5dfb37508a8d6ce46dd1afaedcae66f6b588e13f8ba108b9a560cd6bc1312e51e4eeb1805553e919172fa97 |
| SHA1 hash: | 9f3fc20bc2a6aa7d857bc948227d93eb443ef25f |
| MD5 hash: | 53d4cdf2984b73a8e901dc99763686b9 |
| humanhash: | louisiana-white-pizza-fix |
| File name: | SKMB801526CI50.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 585'728 bytes |
| First seen: | 2023-09-20 14:52:06 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:NHCWbysshKZtQLbmgcSP4JvBjSn49lzkTSks5bNjVHJKqQeh:NiWbIh68bmtSP4xZSnOFrJNNRHJKqQeh |
| Threatray | 250 similar samples on MalwareBazaar |
| TLSH | T1F7C422043674DF13D54D07BD04B008A23B769A477DE2E7A85AC9B0D68E9AF9582073DF |
| TrID | 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.1% (.SCR) Windows screen saver (13097/50/3) 8.9% (.EXE) Win64 Executable (generic) (10523/12/4) 5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 886443434b83cbe2 (17 x AgentTesla, 7 x Formbook, 4 x SnakeKeylogger) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
292
Origin country :
NLVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SKMB801526CI50.exe
Verdict:
Malicious activity
Analysis date:
2023-09-20 14:54:32 UTC
Tags:
formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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.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
Deletes itself after installation
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-20 02:47:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
17 of 23 (73.91%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 240 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
7849b6c0f255f37092349b1755b3d03897c472d0867462a154786ace92616ee1
MD5 hash:
ae2ec9d68f3a1dc6d375b8c0356f8d10
SHA1 hash:
cca41540b6a4504dcaa6930900aeaf19466ad173
Detections:
win_formbook_w0
win_formbook_g0
SH256 hash:
a169ff30325aba709ef138d002d5def8d5def5729cafc3a856e56f577ccde034
MD5 hash:
982a462675182d6a83ad143da4166b54
SHA1 hash:
7df90c8b6fd3f501988367b7a81b94a0c0d93b0c
SH256 hash:
f81eaa1abe14620a12d66f2906fb74536570f579489befc12d985b2483d17ff8
MD5 hash:
6a1985480d88415dab4af9e77965933d
SHA1 hash:
36ac47cd70012c3057281fed60665f59cdacf28c
SH256 hash:
61a4eba25269321c979a4c4780cb26e034f76b59da03a1fadd9a2fc8a1a4c51a
MD5 hash:
46a632138716fa224691a345130b6bcb
SHA1 hash:
20d3b6ad1e63a90c1f5754826043ecea28b5436b
SH256 hash:
a9b8dc98924e5dbaebfdd97af6cd76d8baac3cc96b35bbf9d2de16135adf6973
MD5 hash:
4baf2a287fe45bba33f8f9b2c44fd229
SHA1 hash:
05163842cc425c1d550508a80883e748c749930f
SH256 hash:
b334948991343e7c83707d03ba19c913841e49022c74c1f890f036bdbc04071c
MD5 hash:
53d4cdf2984b73a8e901dc99763686b9
SHA1 hash:
9f3fc20bc2a6aa7d857bc948227d93eb443ef25f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | NETexecutableMicrosoft |
|---|---|
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
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