MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9849a0f7bf5b5e1f9b967737c44ddff914aaa05b8c910e414ac759ca2b959a1. 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: a9849a0f7bf5b5e1f9b967737c44ddff914aaa05b8c910e414ac759ca2b959a1
SHA3-384 hash: 50230e32fa44c32e0da32da8fe589573799180edb32ea9cd0c2a984a3fa462190de04c68c1b89ea1f53cfd0aaa1057d5
SHA1 hash: 27525a5ad8514102ef184f14ba0f5d2119c78779
MD5 hash: 800f62bd315122e9e31f672f64ad4700
humanhash: illinois-foxtrot-washington-potato
File name:SecuriteInfo.com.W32.AIDetectNet.01.22034.1875
Download: download sample
Signature Formbook
Create hunting rule
File size:594'432 bytes
First seen:2022-06-23 19:55:07 UTC
Last seen:Never
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:dpkPRxliW1CCQo4tfULwertJIIAtANVG5JNuaksj:vkPRrhLUcPfz0Nuaks
TLSH T1B9C4F1D4E3A41AABDC83C7FC587C81102767BB4AC1ACD615BCBAB48AD5B23D59093D07
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282754/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b4c55878c72835188d0506/reports/33834d00-6f0f-4c6b-8fa9-7132b35c69e7/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5495ef2a-e536-4497-af88-c886462635cd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1018897
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a9849a0f7bf5b5e1f9b967737c44ddff914aaa05b8c910e414ac759ca2b959a1/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-23 18:42:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
13 of 41 (31.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgcjud336w26d6nzm5zxyrg576iuvkqfxderbzauvr2zzivzlgqq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g2y4 rat spyware stealer trojan
Link:
https://tria.ge/reports/220623-ynnltsfadl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
754c92be074f43f86aff734804a9184c2ad517cb6ea897776f50667b945d2888
MD5 hash:
792788a1902a968928cfbb44fe3f7fd8
SHA1 hash:
0269133f016806c06372709dee60c8cf256e05cf
Link:
https://www.unpac.me/results/2625f8db-2ece-42ef-9f50-8b17c4d3f088/
SH256 hash:
87577e6c69af07ba0e6383a2a152b59a39d6b336631ce4baa250bd9f8adce03d
MD5 hash:
9b17d560e68eff0da30f79b3c391c9a3
SHA1 hash:
5ceda263b1ea13401f652c709dd884d58945fe57
Link:
https://www.unpac.me/results/2625f8db-2ece-42ef-9f50-8b17c4d3f088/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/2625f8db-2ece-42ef-9f50-8b17c4d3f088/
SH256 hash:
7b691ff305ca3536cbff8e429d22ff15c1bd1e8251d349bb6142f0d371cfe5a8
MD5 hash:
8eb7fab1b223d02c041ad1b20617f3c4
SHA1 hash:
d532a42124816d4ed156edbb17445eb5bf47023e
Link:
https://www.unpac.me/results/2625f8db-2ece-42ef-9f50-8b17c4d3f088/
SH256 hash:
a43e8194eaae86e70b2e57b2a137585053edf7c96f83a10cf6d3c14e1cdd6efd
MD5 hash:
ed59c13362287ce1aab46b2ef5154e2f
SHA1 hash:
cc9cc4982248a260fb6c064972bd4e29743e1e40
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/2625f8db-2ece-42ef-9f50-8b17c4d3f088/
Parent samples :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 hash:
a9849a0f7bf5b5e1f9b967737c44ddff914aaa05b8c910e414ac759ca2b959a1
MD5 hash:
800f62bd315122e9e31f672f64ad4700
SHA1 hash:
27525a5ad8514102ef184f14ba0f5d2119c78779
Link:
https://www.unpac.me/results/2625f8db-2ece-42ef-9f50-8b17c4d3f088/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a9849a0f7bf5/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/a9849a0f7bf5b5e1f9b967737c44ddff914aaa05b8c910e414ac759ca2b959a1

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 a9849a0f7bf5b5e1f9b967737c44ddff914aaa05b8c910e414ac759ca2b959a1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2248468/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/282754/

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