MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a03b8ae8131346298ef50cbd942d49bd024b8ac225467f960682600fc8ec1df4. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a03b8ae8131346298ef50cbd942d49bd024b8ac225467f960682600fc8ec1df4
SHA3-384 hash: 49d420c6bc311fb6ca3cbe77eeced10abffbd49ea237a91a82a3b8f83613a6b422f5ae703f93f63a79d1e02d96d691e3
SHA1 hash: 3ef863e4b67c17f80b60cfbbab4b9e35cc8e72f1
MD5 hash: 69d9d64735ed1e0b944f13f76039f88c
humanhash: music-may-minnesota-chicken
File name:SecuriteInfo.com.Win32.PWSX-gen.13195.29257
Download: download sample
Signature Formbook
Create hunting rule
File size:588'800 bytes
First seen:2023-07-25 06:28:32 UTC
Last seen:2023-07-25 07:46:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:cFqOf6/zrkBHsKanqgMx0HppO7fxTUApj2H/8vMR:FMOzgpRgMOfOlMHUC
Threatray 3'447 similar samples on MalwareBazaar
TLSH T176C423042F7D9B57E9FFABB8086658C18AF1F9263E21DA061D4070FB166A71C07D291F
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):PE icon
dhash icon f4f0d0f171697130 (5 x Formbook, 1 x Loki, 1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
252
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.13195.29257
Verdict:
No threats detected
Analysis date:
2023-07-25 06:31:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/edd04efd-318b-4dcf-b1dd-98e14f8931ed

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/431864/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.29799.19738.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a03b8ae8131346298ef50cbd942d49bd024b8ac225467f960682600fc8ec1df4
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e256643-88e9-409b-b2aa-74e6ec897b1e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1278834
Signature
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a03b8ae8131346298ef50cbd942d49bd024b8ac225467f960682600fc8ec1df4/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-25 04:03:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ua5yv2atcndctdxvbs6zilkjxubexcwcevdh7fqgqjqa7shmdx2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
11280a71e1b0ba7eaa9fa60757fc12a49245471300361105181c6a37c4a483ee
Formbook
3dc7db596de22ffac1c2d38a52dcae0267c816812acde74cf7cf57b219d40f11
Formbook
3e2763c4e10e822e79c3c8890a0041a0f978cbfeb7e4a78156c9b6aabf7cb4d0
Formbook
6ef2063e8207f9c58067966a90ec7bfbcc6c31b3df611fcb8bf88cf531e579d0
Formbook
7a08e064522b59f7198565d2437e6c1347837fc3bb0ddb2077e358d061160484
Formbook
b67aa8dfe6ff4cd4478be74edc93000fa290ac31c7f869c8191220ef40239f87
Formbook
bb9a1bfefff16c8720092c4a5b23549b88ee1bde733dacdf082e226d41b2cc5a
Formbook
e4268cb757dab357988c8891f77ac727af8c27acb4668d9361237a5df26e9b69
Formbook
+ 3'437 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230725-g8wz9sbe61/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
2388d16f2f0aa2356b18a27b4dfb7f1cf92281ce552f8b345074f3f76c765557
MD5 hash:
8464437055d3802341c759fac19a4eb0
SHA1 hash:
2a9668faa9ac1adf7c844406cc29829d35e9294f
Detections:
XLoader
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/38dcd95e-2b6c-47c7-813b-561d62f86b56/
Parent samples :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 hash:
bdcc7e9bf098a6231d3797ada9e1879c590ad0268ed049299602a99d0f6747ff
MD5 hash:
777d8633855ca251fb9944920f0d4165
SHA1 hash:
a63f3947f9d67ae2269312a49cd1587334439269
Link:
https://www.unpac.me/results/38dcd95e-2b6c-47c7-813b-561d62f86b56/
SH256 hash:
e143ff2ab0530bdcece7285065da05509c26167f46161b0ec7bf45af3adcb5ed
MD5 hash:
0b4eaf060a6afe5acf345d58e807dbb8
SHA1 hash:
b8dd934ff2b749d935fa3c14276340eb4393e5b1
Link:
https://www.unpac.me/results/38dcd95e-2b6c-47c7-813b-561d62f86b56/
SH256 hash:
30bb4e52f3984bcdd262d8ad3224ad14d0f2426da93f2479a1e6b94e9fc30155
MD5 hash:
29f9e1147f47779166332425eaf4709a
SHA1 hash:
29bafe2b69c148d3cf7e55feff2498f0810b02dc
Link:
https://www.unpac.me/results/38dcd95e-2b6c-47c7-813b-561d62f86b56/
SH256 hash:
a03b8ae8131346298ef50cbd942d49bd024b8ac225467f960682600fc8ec1df4
MD5 hash:
69d9d64735ed1e0b944f13f76039f88c
SHA1 hash:
3ef863e4b67c17f80b60cfbbab4b9e35cc8e72f1
Link:
https://www.unpac.me/results/38dcd95e-2b6c-47c7-813b-561d62f86b56/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a03b8ae81313/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a03b8ae8131346298ef50cbd942d49bd024b8ac225467f960682600fc8ec1df4

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

zip 5a9431c130db37dc5f76a82fa584562fc497ba8d42101136f8a5bfbe257d0f37

Formbook

Executable exe a03b8ae8131346298ef50cbd942d49bd024b8ac225467f960682600fc8ec1df4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/431864/
  
Dropped by
SHA256 5a9431c130db37dc5f76a82fa584562fc497ba8d42101136f8a5bfbe257d0f37
  
Dropped by
MD5 3a6af6f443e1f0f35975ab0ec89b215c

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