MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b7797226ad94650caea53b5fbc430091fbb9346c88966b83f6402d0cd05904b. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b7797226ad94650caea53b5fbc430091fbb9346c88966b83f6402d0cd05904b
SHA3-384 hash: de6e466f7298c1b448cb432d3caa683ff0e1eb11ec4b0a6c7b979aab705f5d82bedf9f89b886662835a5a62a293c37a5
SHA1 hash: da9168923ecf79fc8147a328d8e8b58067874144
MD5 hash: d5ec1c136b0ef0b9cfb093c101742dc7
humanhash: helium-saturn-video-nevada
File name:d5ec1c136b0ef0b9cfb093c101742dc7
Download: download sample
Signature Formbook
Create hunting rule
File size:1'133'568 bytes
First seen:2022-05-12 08:20:28 UTC
Last seen:2022-05-12 08:57:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:xJu02Jfxt7J0GMybRJk6/GACMG0askHk0QD5fFwO/wO1psVk0Gat5JsX4BVwIgej:7j2Z2DybRHh4bHeNNwO/wgL0G+iI
Threatray 15'756 similar samples on MalwareBazaar
TLSH T1943528983254F9DEC817D075CA685CF4AA207C6AC31B820B50173E9EB97D783DF219B6
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 f26efec4b6c2c00c (24 x AgentTesla, 14 x Loki, 12 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
381
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/269990/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/627cc39740028d3247cc1f13/reports/1436e2a5-e5a9-4ffb-8b76-7a04576ea7dd/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/56a3f9bc-2712-485c-8ee4-bbbe162ac28f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/992513
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
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b7797226ad94650caea53b5fbc430091fbb9346c88966b83f6402d0cd05904b/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 15:20:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
002ea0849da3c63ce6c09c084567e9470c3616084ef19402316e9d52f35c62a7
Formbook
3cc9b252ff025191c7ca6413ec68089630073126ae82ee276acec334903a07c2
Formbook
46956dd9cd5e3f62c79127e5e8bcd3b420695a0112df256aa07364bc6a32e697
Formbook
57a3559c6affb5200be54b3c0021bb049dd3306ab0e326815b555c55b39fe591
Formbook
bdf8f0fe0af3da8a08f2d5ba8baeec69b75565cf09fb160d58297b6b33a956b6
Formbook
cd5b94ad47b93503f85f4896cf0281009a48ef6676454b8fc581f2bff48b5ba8
Formbook
d7dc569e0cf8cc6afc0a4a922263195ea12051b1db428fcf9fba724d90261a5e
Formbook
eba97a314b1c02ecdd75fe691c6883b214dc0b239d0ba39b7d578162b5218ad0
Formbook
+ 15'746 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:eatw loader rat
Link:
https://tria.ge/reports/220512-j8zr9sbee3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
110511c718ebf90acd7fd1c7c750fc4624b1147e8bd7035e95473fad61ee7fe6
MD5 hash:
f9175528e1bf882caecffad2cdc7cd68
SHA1 hash:
15d9b63d5c0d46ca685601b36b5b685faf6cb801
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5db21c9d-c22a-4dde-bb40-18bf949384bb/
Parent samples :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 hash:
3051faa27a3a7134bb7e8c40e0cb5953f1af7822d57ecc84104e5e0a4f7978d1
MD5 hash:
3d8bfb26d2aaa9c2d03eb420cf2aa764
SHA1 hash:
c485060eee10d1ecfe79495afe98eae3c481cd87
Link:
https://www.unpac.me/results/5db21c9d-c22a-4dde-bb40-18bf949384bb/
SH256 hash:
abe08347106a4ebf06c2cfb838e8d9f80f911105db409f5c7f33bce30bbe930b
MD5 hash:
3f42c58cb3eec5443b405243fca00479
SHA1 hash:
c3280decbed616ec6d1352348a312b7b9cfef003
Link:
https://www.unpac.me/results/5db21c9d-c22a-4dde-bb40-18bf949384bb/
SH256 hash:
e127ff2c9df444d73297a6336703ca929d539086a05f53ac473de7637fd173fe
MD5 hash:
81d95e95820fb80d2483fd08551a3e69
SHA1 hash:
5d43945a134c07679369e83a5a96f89ed2321489
Link:
https://www.unpac.me/results/5db21c9d-c22a-4dde-bb40-18bf949384bb/
SH256 hash:
3b7797226ad94650caea53b5fbc430091fbb9346c88966b83f6402d0cd05904b
MD5 hash:
d5ec1c136b0ef0b9cfb093c101742dc7
SHA1 hash:
da9168923ecf79fc8147a328d8e8b58067874144
Link:
https://www.unpac.me/results/5db21c9d-c22a-4dde-bb40-18bf949384bb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b7797226ad9/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/3b7797226ad94650caea53b5fbc430091fbb9346c88966b83f6402d0cd05904b

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.

Web download

Formbook

Executable exe 3b7797226ad94650caea53b5fbc430091fbb9346c88966b83f6402d0cd05904b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2191213/
Cape
Cape
https://www.capesandbox.com/analysis/269990/

Comments


Avatar
zbet commented on 2022-05-12 08:20:32 UTC

url : hxxp://www.viralvia.fi/B4/1k7.exe