MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1
SHA3-384 hash: 9700b067b8f3372dea6df98a72227129abb018609bf014b861988f31625ec3f108b446746cf510f0a1dbc741117126f0
SHA1 hash: 2d7d2df1435f9799a58e5cf96a45dbfc28c6f985
MD5 hash: dba3734fb68e3c000cdf40fad3069efe
humanhash: berlin-music-river-berlin
File name:RE,RE,RE,RE,RE,RE,RE Best offer and ETD.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:733'696 bytes
First seen:2023-04-25 15:05:00 UTC
Last seen:2023-04-26 09:02:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:BbSJgvm8ik/5EBlf7vCxpYUUp3Ff+YMF2t/a7HRg:BbSJgvm8ikyBFvCxpOj82Ra
Threatray 2'765 similar samples on MalwareBazaar
TLSH T12BF4373829BD1627C178D7F58FD08427F2A8996B3021EE6568E767E64316F1225C323F
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 38bc3ce4ccc6de0c (6 x AgentTesla, 4 x Loki, 2 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
275
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RE,RE,RE,RE,RE,RE,RE Best offer and ETD.exe
Verdict:
Malicious activity
Analysis date:
2023-04-25 15:07:39 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/e40cf2af-b281-4ac6-b3a2-8b449e137343

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/384826/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6447f03f5e8a32a08cad324f/reports/46836e79-68d7-4704-986b-57b05f2da2c7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/87f38d78-1286-4366-a3bb-fe69f11d2318
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1220826
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-25 07:45:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 22 (72.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yiz3knmtocqcmia2czeergr7d6i72eok3na6q7helrqouoqv7dyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b89806418ec582854a24adb93fba607c7f27938f2b653a081aefd1a5e419e4f
Formbook
319ed15753e7ce1ff182e1bd2e4900de9c76300f30cb645c01b57324de50face
Formbook
3ff8da989c0463e0eca88964ea38876e1b9e1e3dfe7cbab96297feadff54713b
Formbook
4f97be86fd94c84a31cd8aa9bdb4310a6d251d0560e23eebb93d84596df72dfd
Formbook
6afbb9ebc94ae5fbc1a98207af3ce84dec75c243605ebbd6b15b721165e4130a
Formbook
8a1f57853b44e3702f2758a4ad46225af7fa0a847ee22b0a9f190be5c062869b
Formbook
c3c4281831f463d7ee622d35ea584b893b99400c0dc7dda327557d48f10ec564
Formbook
ea2bca0128d9498a9905b3408ceb8edecefbc96891ae4bf4403739d21fc98c52
Formbook
f0ce6536bd8f80c0ee0ff1a246fd8447514906a38d4d24ec0d373c814180f9fb
Formbook
f0eef09d45e8b0edf907f9fa6f9bd84a33327f62359fef4b92508a413d68c1b3
Formbook
+ 2'755 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cx01 rat spyware stealer trojan
Link:
https://tria.ge/reports/230425-sf6jsaba34/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
65532eced8f8afb2148aae4fea0cf6764349256c0b5a3a89a6875b6bed2a6a09
MD5 hash:
e979886dd03a38f4ea730b97f421196f
SHA1 hash:
6a0f676c2735a5afaea258ee5ab12b9d5299aba4
Detections:
FormBook
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/c189e5a2-77c2-4de7-9ad4-6d06ebc28718/
Parent samples :
c3c4281831f463d7ee622d35ea584b893b99400c0dc7dda327557d48f10ec564
f0eef09d45e8b0edf907f9fa6f9bd84a33327f62359fef4b92508a413d68c1b3
3ff8da989c0463e0eca88964ea38876e1b9e1e3dfe7cbab96297feadff54713b
f0ce6536bd8f80c0ee0ff1a246fd8447514906a38d4d24ec0d373c814180f9fb
319ed15753e7ce1ff182e1bd2e4900de9c76300f30cb645c01b57324de50face
c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1
07ad0c61940072d3f26c6706e550f970c2e3ee59d1b0a519515ebf16e013b11c
c89bf6380445a49127491a4c68b77bc9ff8ba9b8fa016846ed6cc2274b6133d0
4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e
3b0069e420ccfba9dff2e274d714fe3f62a6b9f3b5630e0fd28a89f579ebadcd
9c0a4fbfc6a9ee19747c3bd56699ad195ef95f65752476a208f7ef7fc2dd27f8
e30d41df0b3384eb57a607989bdfe40191b4e81df96327c1974f6d05a3a3d83f
880b7f96797851986e0dfb579afb707a7529f1adf9cce67efb7534d4003b8aa7
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
Link:
https://www.unpac.me/results/c189e5a2-77c2-4de7-9ad4-6d06ebc28718/
SH256 hash:
829795ab5c8a80609cf3e7ce764ebf7fe33fd196b40d799670d23a3fcf85c0c1
MD5 hash:
219d339c63fcefe905193a88f71f2f87
SHA1 hash:
e2ca0aa9c7b1e2d7a52d7126333d34af5bacfb11
Link:
https://www.unpac.me/results/c189e5a2-77c2-4de7-9ad4-6d06ebc28718/
SH256 hash:
5dedc96d85b024754b6e6f6221f8c17a67a2bd455c7b1f42ddfe047eaa3e0087
MD5 hash:
7c8fb019c6407b48548e7ca23061c1a7
SHA1 hash:
bec52d14d04f141a01864bb13b0beca9e526f649
Link:
https://www.unpac.me/results/c189e5a2-77c2-4de7-9ad4-6d06ebc28718/
SH256 hash:
b3d8e43528abfa0f944a7faa2d0c9aa0226617ae648e967756b40922175b7080
MD5 hash:
d0fbd64affc3f5cc7741955b39ad95bc
SHA1 hash:
a7da3238f86212b84bc18617a72c69b3cbe60a04
Link:
https://www.unpac.me/results/c189e5a2-77c2-4de7-9ad4-6d06ebc28718/
SH256 hash:
c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1
MD5 hash:
dba3734fb68e3c000cdf40fad3069efe
SHA1 hash:
2d7d2df1435f9799a58e5cf96a45dbfc28c6f985
Link:
https://www.unpac.me/results/c189e5a2-77c2-4de7-9ad4-6d06ebc28718/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c233b5359370/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1

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 c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/384826/

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