MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c3d925669944dbdec6649638901b8ccb110c2ff971d8cf558ef05f9980ecf69. 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


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c3d925669944dbdec6649638901b8ccb110c2ff971d8cf558ef05f9980ecf69
SHA3-384 hash: 20a4f8de726bb4322c3c48660259ca3a15024b986cedededea0b6c5ec5342edfc0fc577ab43832137e8b1ed4ea92b5cc
SHA1 hash: 76c4bb9350751137f8240c9ad947b14c2220ac9d
MD5 hash: 6dc6af86ada717b4fa1441845dd18e6b
humanhash: red-helium-kansas-lithium
File name:ZiraatbankasiSwiftMessaji001.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'043'968 bytes
First seen:2022-11-08 15:35:42 UTC
Last seen:2022-11-08 17:45:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:gUoQ3BS6wj521OLLhfIxii/DG24hYf/8M9:UQ3M6g21OXhfIVn4h88M
TLSH T16625B0A034702FB9D67EDFF286281A5483F32D9A625EF60E5CE070EA1573F924614D27
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
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 abuse_ch
Tags:exe FormBook geo TUR ZiraatBank

Intelligence

File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ZiraatbankasiSwiftMessaji001.exe
Verdict:
Suspicious activity
Analysis date:
2022-11-08 15:53:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f18aa5f5-535c-4fda-bf88-c8144d155c27

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/330656/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.4547.24659.31594.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/636a77675a33779d69cea5eb/reports/8ab6d3fe-f56d-43f2-b08f-dd98f8a68aa9/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:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb2765be-6c23-40dd-9089-0d2f2a00801f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1108432
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)
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/4c3d925669944dbdec6649638901b8ccb110c2ff971d8cf558ef05f9980ecf69/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-08 13:47:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jq6zevtjsrg333dgjfrysanyzsyrbqx7s4oyz5ky54c7tgaoz5uq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s5zx rat spyware stealer trojan
Link:
https://tria.ge/reports/221108-s1ydxaeba5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Unpacked files
SH256 hash:
e7cccb43dd3b796e66281d2f398c390ce0942ae8214ccc306219a938fd4d5656
MD5 hash:
f40c50b52491bd866e05761d98d141e8
SHA1 hash:
b6ee73fb9683096944f650c35c7143a7c31837ea
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/422ee05a-1120-4d7e-a72b-5f073a3b0ce2/
Parent samples :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 hash:
e43ed5a4e94e1b17fdde319b08cb15120b3d0c05548c1332d4abbf4f282cb389
MD5 hash:
dd88b555de397f749a9e38a3a14d25b4
SHA1 hash:
5280de0af81c992a7114f029d135f157135a27da
Link:
https://www.unpac.me/results/422ee05a-1120-4d7e-a72b-5f073a3b0ce2/
SH256 hash:
727cf1abf75c253b2788d0a235db850371bbce33384e30934d6eff4c5a0f6108
MD5 hash:
f50cc4d96efe6b0817f365c11e040309
SHA1 hash:
21eefe7b41765d228e5325a08a242bd62d47cdec
Link:
https://www.unpac.me/results/422ee05a-1120-4d7e-a72b-5f073a3b0ce2/
SH256 hash:
13e80fde971ff150ba6cc8008a9be6c02401fa85925b91662b84f1da7b0826d8
MD5 hash:
0d529117d051d9f40242787b84fe9e0c
SHA1 hash:
90623a4bc25293f51803b60cdcad2e54fbcee67f
Link:
https://www.unpac.me/results/422ee05a-1120-4d7e-a72b-5f073a3b0ce2/
SH256 hash:
7424c7c90521358a37e81b1b3bb6551593173ab73d602288cda43aaf54f0aa66
MD5 hash:
c87a22430098d10d1323eb01ff6df4dd
SHA1 hash:
573dd06fe51385a867f7511fa9e76db9d1dc6b5e
Link:
https://www.unpac.me/results/422ee05a-1120-4d7e-a72b-5f073a3b0ce2/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/422ee05a-1120-4d7e-a72b-5f073a3b0ce2/
SH256 hash:
4c3d925669944dbdec6649638901b8ccb110c2ff971d8cf558ef05f9980ecf69
MD5 hash:
6dc6af86ada717b4fa1441845dd18e6b
SHA1 hash:
76c4bb9350751137f8240c9ad947b14c2220ac9d
Link:
https://www.unpac.me/results/422ee05a-1120-4d7e-a72b-5f073a3b0ce2/
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Malspam

Formbook

Executable exe 4c3d925669944dbdec6649638901b8ccb110c2ff971d8cf558ef05f9980ecf69

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/330656/

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