MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bfd8737e902286e9241b79d3099f85744194fa0c9a330ebe51db5c3e2e747a6. 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


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bfd8737e902286e9241b79d3099f85744194fa0c9a330ebe51db5c3e2e747a6
SHA3-384 hash: 6612403e4aa4852a2579ac2701b4d2acfd5cb0cec43e9141bf990e9f3f62b198e34cfdfe1417439cdca7fe5c42510401
SHA1 hash: 69349d0989508827237d9e50ba99ba190141dc1a
MD5 hash: 45c13c0a82799c4a583135a319892a53
humanhash: papa-zulu-alaska-jig
File name:SecuriteInfo.com.Trojan.Siggen19.2654.18954.6604
Download: download sample
Signature Formbook
Create hunting rule
File size:1'289'728 bytes
First seen:2022-11-04 11:29:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:c9AC4JRWIOJ3H4B0JYEyI+AH1p+Pjp4g4skCR8BRdB6WcbskQBs6SqM391:/ROIOJsqVvjHr2eg4tP9jAGsj1
Threatray 19'570 similar samples on MalwareBazaar
TLSH T18255CF202FF956DBF1769B701BF065B946F9F3226732E46D189006F50A22B43CE5363A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 13331333690d3749 (11 x Formbook, 5 x AgentTesla, 1 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen19.2654.18954.6604
Verdict:
Malicious activity
Analysis date:
2022-11-04 11:30:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/409b465e-f3ea-448f-b721-8d6ef73c5e7d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/328438/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.2654.18954.6604.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Forced system process termination
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6364f78515611f8d8bf8d159/reports/8fc61d56-6788-4b55-a696-a72964ff9852/overview
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fedc618d-07c7-4d6f-9d96-a8f004df63fc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1105350
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
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)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bfd8737e902286e9241b79d3099f85744194fa0c9a330ebe51db5c3e2e747a6/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2022-11-04 09:19:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
19 of 41 (46.34%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jp6yon7jaiug5esbw6otbgpyk5cbst5azgrtb27fdw24hyxhi6ta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
043470f6b0a88a5fe3189b7dffa5f6e8bc5ebe639c9967049763c2387465060f
Formbook
0606bdc61d15a75b3b5097cf82980bdba56af81b30af2a12f32beb1307be5791
Formbook
23d2e10a52afae3224130b631f0e0642100346ebf9b06025326d78e5d43bb21c
Formbook
885d3612f1d5f7b8067b8686d563985039f9adfc335950136ec6f42f77580d34
Formbook
8f72bc224c9aa28c9a45766e26a23170af8932465b7b363be143efbbdcf2157b
Formbook
bd06c34a413a4ca8e49ec57f8ea6f52f69eb16c4fce86db93761c4da50c94edc
Formbook
d5881bb367b8481bd0c089d687456d98073f61f47dd28f23fb70ca75cf888bd4
Formbook
ed5c10e99c4b9d88ee7ae866f6b6a1df1aae0630da5aac64e1994e30d7a15778
Formbook
+ 19'560 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:k056 rat spyware stealer trojan
Link:
https://tria.ge/reports/221104-nllpcaggbr/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b03a365d-7017-4d8e-a0a5-4dea72e8a51c
Unpacked files
SH256 hash:
6ff4bf0414e5586713172d5bf2c5950bc340d4e7e5281c808238ad4854eb4fa5
MD5 hash:
649c8087ff6984851e56db65bd3cc3aa
SHA1 hash:
8aa2a8b9fd0a6607c816095f01743173f6aadb41
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/99a5424a-9dd3-4f06-b9a2-c1a2ebd7f095/
Parent samples :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 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/99a5424a-9dd3-4f06-b9a2-c1a2ebd7f095/
SH256 hash:
a8bb3efe5618290061697abf1cb2e30d9f04a1c1f76382899b843f6dae8c82b0
MD5 hash:
bb7029501a7b6a4866151deeddc82303
SHA1 hash:
6cc589cf231b4095850696428c07b3880d6fe592
Link:
https://www.unpac.me/results/99a5424a-9dd3-4f06-b9a2-c1a2ebd7f095/
SH256 hash:
4bfd8737e902286e9241b79d3099f85744194fa0c9a330ebe51db5c3e2e747a6
MD5 hash:
45c13c0a82799c4a583135a319892a53
SHA1 hash:
69349d0989508827237d9e50ba99ba190141dc1a
Link:
https://www.unpac.me/results/99a5424a-9dd3-4f06-b9a2-c1a2ebd7f095/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4bfd8737e902/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/4bfd8737e902286e9241b79d3099f85744194fa0c9a330ebe51db5c3e2e747a6

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/328438/

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