MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8318860499c2f3e03a5e580fbd91d8c1214acc713b032e908442651e7b54ca81. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8318860499c2f3e03a5e580fbd91d8c1214acc713b032e908442651e7b54ca81
SHA3-384 hash: 7e4452938d1aee35d0f94e79c6e9ff89d1bd7ede1d560663b3f58fb480922bcfae85e7d7209c655226e2bd9b02b02a58
SHA1 hash: c4a7a3f8bb3a1b7c9f4059d31aec59e89c737155
MD5 hash: 9afd42c525a12d424369055ff69e8721
humanhash: fruit-apart-friend-tango
File name:Orden de Compra Urgente.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:851'456 bytes
First seen:2022-03-31 20:00:47 UTC
Last seen:2022-03-31 20:55:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:0yoOT4V+xIJ4SvykXkp8GZ925KSSb5hm:kOT40ZS3fjW9h
Threatray 14'158 similar samples on MalwareBazaar
TLSH T15E05121332DCCE04C6BD9B7550B246891237BD1B3627EE1C29C934CD09BB78666B63A7
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Artemis9AFD42C525A1.18906.28499.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/624608829253b276b7b72534/reports/ec66f37c-b59f-4e31-be35-ee5daae20208/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/554950f5-abb6-47de-b9a2-029a8092b626
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/968617
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8318860499c2f3e03a5e580fbd91d8c1214acc713b032e908442651e7b54ca81/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-31 20:01:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qmmimbezylz6aos6lah33eoyyequvtdrhmbs5eeeijsr462uzkaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0082123fa15fb43d060c2f764bdd9f31a19e53b185e5f6de37d1dfec2f59504f
Formbook
54cfa1f93d985c0bf952e00247f781f36988dffec0cb8d83f79fa3e41d98b335
Formbook
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
Formbook
8ba05ab47459b8f496adf156b26daba787a2c35633142edd047b7d15f1459722
Formbook
c3e4c2e1e242cf92142f4d4fb1896354cfa07089f40243b31046ff3eae8ac2c8
Formbook
d1f436b64d16179e0491d6f691c305b31f05d69a446045dcca7dd3f388559ac5
Formbook
d61835164215f1881467e717012874796721d02a9995733190b7d831733754c6
Formbook
dce0a6cd0dcb808bfcdd3539f85721d004f7b528832314d40149039262440349
Formbook
+ 14'148 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer trojan
Link:
https://tria.ge/reports/220331-yrhvrahdb4/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
55387d8366303a794ee0f3d71a04617f0f1ee9c67a55c913f9b6b870efa123b8
MD5 hash:
c7a79737aa6d4fadfac3b251d48773c4
SHA1 hash:
1afbe9593ed76bd2edb0e0dba4512eb3c8d43fb3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d634743f-4b3c-4912-8bf5-af0cd1dbb974/
Parent samples :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 hash:
17aef0e0591bca89aa5f7f72176252d2aeabbe68c5049c118fd4e18eb40d886b
MD5 hash:
059ee0c61c02648d66258729c22be84a
SHA1 hash:
d3b1fd601d525267c579e5f9795e3529af5d3b89
Link:
https://www.unpac.me/results/d634743f-4b3c-4912-8bf5-af0cd1dbb974/
SH256 hash:
7b9bedba01c477b93deb397781758cfcbf6bd57fba278f0858f26eb77b1c80f8
MD5 hash:
a923c0750b63a9d661d2243df09262e2
SHA1 hash:
98c19f5765a3a0f479cf9c3de046d66001276988
Link:
https://www.unpac.me/results/d634743f-4b3c-4912-8bf5-af0cd1dbb974/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/d634743f-4b3c-4912-8bf5-af0cd1dbb974/
SH256 hash:
8318860499c2f3e03a5e580fbd91d8c1214acc713b032e908442651e7b54ca81
MD5 hash:
9afd42c525a12d424369055ff69e8721
SHA1 hash:
c4a7a3f8bb3a1b7c9f4059d31aec59e89c737155
Link:
https://www.unpac.me/results/d634743f-4b3c-4912-8bf5-af0cd1dbb974/
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/8318860499c2f3e03a5e580fbd91d8c1214acc713b032e908442651e7b54ca81

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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 8318860499c2f3e03a5e580fbd91d8c1214acc713b032e908442651e7b54ca81

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments