MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7537f2ef1d10ef549145bd8ce586f1cce82ed841eda60b991b01137bd558bab. 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: a7537f2ef1d10ef549145bd8ce586f1cce82ed841eda60b991b01137bd558bab
SHA3-384 hash: 4c86583840e0cc817996a5e2e60efead13942e2e9f1ddbc1db90d42d21e67f2f2c54ea06078b7b5ec19f0c22f9396cc4
SHA1 hash: 83f99c1b73c61434768b0a87aec7eb9d0c3a48d0
MD5 hash: 850de91289a8d49117ff7b3e28551909
humanhash: low-eight-east-south
File name:ZiraatBankasi_SwiftMesaji20221129.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:737'792 bytes
First seen:2022-11-29 07:16:25 UTC
Last seen:2022-11-29 07:37:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:/VShRpl3UrNYkFw1S72plNchQ4Vu1AnSq59gEolo0HzeoVCNQuw7rG2Ut8Oe:dSh3l3+NC7qZVCWo+0CosNJcUtXe
TLSH T136F4F1BEF1E68F12C75426B2C4D3AE3403F695462676F396264012CA4E137E59C8EBC7
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe FormBook geo TUR ZiraatBank

Intelligence

File Origin
# of uploads :
2
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ZiraatBankasi_SwiftMesaji20221129.exe
Verdict:
Suspicious activity
Analysis date:
2022-11-29 07:19:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5257fa06-9c21-450b-aacb-4d2459a3cdc2

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/339652/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.12661.16642.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6385b1f0090ea3f04934d2e6/reports/df15ec14-09e6-4a27-8c1f-70f36583bfd9/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f4680170-581f-462c-b84c-6a0cafef8c57
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1123148
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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/a7537f2ef1d10ef549145bd8ce586f1cce82ed841eda60b991b01137bd558bab/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-11-29 04:32:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u5jx6lxr2ehpksiulpmm4wdpdthif3med3ngbomrwaitppkvrovq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:go5o rat spyware stealer trojan
Link:
https://tria.ge/reports/221129-h4cw9sbd5v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Unpacked files
SH256 hash:
324d59ff67e112660abc8e72ebc72b60f972d7950f70290906735e28a605ed85
MD5 hash:
7aba4887edd6841bf3d39cddcc4dd127
SHA1 hash:
b769617d4117d79ca00337b98107e8d8bf22699c
Detections:
XLoader
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/558da22b-ef6e-4e03-b234-ad96f61009fa/
Parent samples :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 hash:
44a83cedb09b46a0cf0db0037b6b22fe7eaa989b2f55b472d1059c667bba66bc
MD5 hash:
59da40da2f316fa1baff40c1ddf2c282
SHA1 hash:
9e3e78ca4114155ff93bf8ddda3a223a48863b0a
Link:
https://www.unpac.me/results/558da22b-ef6e-4e03-b234-ad96f61009fa/
SH256 hash:
0fe34b4315a4e476839140b888f8e618eb1dada76dd125fc3465be36d396d31a
MD5 hash:
9ca10b1f8319b0938af0a9285369fa6c
SHA1 hash:
e461113e52ef2b28e4b25ccc4e6bd020633e5031
Link:
https://www.unpac.me/results/558da22b-ef6e-4e03-b234-ad96f61009fa/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/558da22b-ef6e-4e03-b234-ad96f61009fa/
SH256 hash:
d0dcc95818dc0b33b993036e849642712524f7fb09873aafbbc25d47d9cbef09
MD5 hash:
29c6605f3f49ee07fbac20cff06d4e3f
SHA1 hash:
7c6f5ab8e48578bc699e426f516d943d349f7b12
Link:
https://www.unpac.me/results/558da22b-ef6e-4e03-b234-ad96f61009fa/
SH256 hash:
47d27e178b762f4e6966f6da626a8fd22cd91f21c2546f76e6914ba526448965
MD5 hash:
abb20efc9aee7adb01cfb238249edc4e
SHA1 hash:
62986b14070e69c92905d11d619a17ec22ee3746
Link:
https://www.unpac.me/results/558da22b-ef6e-4e03-b234-ad96f61009fa/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/558da22b-ef6e-4e03-b234-ad96f61009fa/
SH256 hash:
a7537f2ef1d10ef549145bd8ce586f1cce82ed841eda60b991b01137bd558bab
MD5 hash:
850de91289a8d49117ff7b3e28551909
SHA1 hash:
83f99c1b73c61434768b0a87aec7eb9d0c3a48d0
Link:
https://www.unpac.me/results/558da22b-ef6e-4e03-b234-ad96f61009fa/
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/a7537f2ef1d10ef549145bd8ce586f1cce82ed841eda60b991b01137bd558bab

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
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Rule name:Skystars_Malware_Imphash
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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 a7537f2ef1d10ef549145bd8ce586f1cce82ed841eda60b991b01137bd558bab

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/339652/

Comments