MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a894f6175d1e84c3a4dd7d14703624c4134888b024d122bfac661007e98a554a. 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
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SHA256 hash: a894f6175d1e84c3a4dd7d14703624c4134888b024d122bfac661007e98a554a
SHA3-384 hash: 62611cd22d68c757d01b9924cdf3c176fa744bcbb22b4c71ac6e96ac90be06c592f5fabc876795133f9fea9da109cb90
SHA1 hash: e2451a4a3640baeb4e3d6bf23af23d950088eb28
MD5 hash: 0b4d6af975c4ebc87e75cfbb01e8de6e
humanhash: tango-queen-asparagus-october
File name:Nov  objedn vka.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:786'432 bytes
First seen:2022-02-21 06:57:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:v6fq8q5Vko2FarGwCf+wNqi7Q3woxYpS2iSC5z8bKWcEvTTBDSWCY:eUrGNj7QG5i95zuc8JPf
Threatray 10'227 similar samples on MalwareBazaar
TLSH T14CF4AF6631EF1096D3A2EBF10FD8BCBF8A6AF177120F753A31916A5687729409D02371
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/242861/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.57439.UNOFFICIAL
Create hunting rule

Win.Dropper.Formbook-9939525-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
black fareit formbook obfuscated packed
Link:
https://www.filescan.io/uploads/621337fea2660f3bb918755f/reports/057ec296-bdf0-40f9-a102-2ce9bfeaedb7/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/576f7460-0d80-4b18-83d7-bca0eb046d8f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/943023
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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 dropped file
Machine Learning detection for sample
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 575501 Sample: Nov#U00a0 objedn#U00a0vka.exe Startdate: 21/02/2022 Architecture: WINDOWS Score: 100 47 www.freshlyhair.com 2->47 49 parkingpage.namecheap.com 2->49 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Multi AV Scanner detection for domain / URL 2->61 63 Found malware configuration 2->63 65 17 other signatures 2->65 11 Nov#U00a0 objedn#U00a0vka.exe 7 2->11         started        15 explorer.exe 2->15         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\TVeILnntsdATqN.exe, PE32 11->39 dropped 41 C:\...\TVeILnntsdATqN.exe:Zone.Identifier, ASCII 11->41 dropped 43 C:\Users\user\AppData\Local\...\tmp7730.tmp, XML 11->43 dropped 45 C:\...45ov#U00a0 objedn#U00a0vka.exe.log, ASCII 11->45 dropped 67 Writes to foreign memory regions 11->67 69 Allocates memory in foreign processes 11->69 71 Adds a directory exclusion to Windows Defender 11->71 73 Injects a PE file into a foreign processes 11->73 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 17->51 53 Maps a DLL or memory area into another process 17->53 55 Sample uses process hollowing technique 17->55 57 2 other signatures 17->57 24 explorer.exe 17->24 injected 26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        process9 process10 30 explorer.exe 24->30         started        signatures11 75 Modifies the context of a thread in another process (thread injection) 30->75 77 Maps a DLL or memory area into another process 30->77 79 Tries to detect virtualization through RDTSC time measurements 30->79 33 cmd.exe 1 30->33         started        35 explorer.exe 1 146 30->35         started        process12 process13 37 conhost.exe 33->37         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a894f6175d1e84c3a4dd7d14703624c4134888b024d122bfac661007e98a554a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-17 09:48:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
32 of 43 (74.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vckpmf25d2cmhjg5pukhanreyqjurcfqetisfp5mmyiap2mkkvfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6fe7cb8d05e0efd14937d31beb7ec072791d84020ceddd9ed70bce5b3c9f1aaf
Formbook
a14a184fb1d2aae9c388576180020ee018e0784212b59e545c15afce21eeb6cd
Formbook
a5ed452879d2a8707bf07a7008c9e5be3c0cd924f089fa53811bd52a7790be38
Formbook
a6fc3d54528af98d4e971543db7f11f891d08269e288ad6822959c0a47665609
Formbook
a94cf69dea9775df9f51f32d9591f7208ac9c712289a1b851c30de3938b5a976
Formbook
b744ce05ac972c78665248d8ddc39cc6779639233531957d7e93d1970fe42126
Formbook
c8dfddd4c5d6b2c5ee3c4f74651673e6975c4ae05d7aece0c08e40c2ad92db7e
Formbook
d70081accf4af57ec864124e5b0efeabf78d057fa64941e55bfc8fc5b79b66f9
Formbook
f3a2d8b0fe1ccd8d1deb057efd255a123444b0298e24d0aabe385136580accdc
Formbook
+ 10'217 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220221-hrhxragfgq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
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/2b3df0e0-86df-44b2-888d-77ff48000516/
Parent samples :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 hash:
49ebdf17528866bf97cfdb7271c65e470ad8315134b3f0dd301f91f6b1bafbc6
MD5 hash:
008656b126c1ac648ad945aadc7fbb3a
SHA1 hash:
fcc41df9dca73df5adeb38bf08bf694573fc8c2c
Link:
https://www.unpac.me/results/2b3df0e0-86df-44b2-888d-77ff48000516/
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
Link:
https://www.unpac.me/results/2b3df0e0-86df-44b2-888d-77ff48000516/
SH256 hash:
194a6117b2c554a7aa0f99f5886c07a48f283075a7c30da07966c113f6e0b12e
MD5 hash:
fad7ef73d7e00ba3b8508d578aa9f01c
SHA1 hash:
53b2e0ad236fef2de0b44dd92ec23590fb14e3ee
Link:
https://www.unpac.me/results/2b3df0e0-86df-44b2-888d-77ff48000516/
SH256 hash:
a894f6175d1e84c3a4dd7d14703624c4134888b024d122bfac661007e98a554a
MD5 hash:
0b4d6af975c4ebc87e75cfbb01e8de6e
SHA1 hash:
e2451a4a3640baeb4e3d6bf23af23d950088eb28
Link:
https://www.unpac.me/results/2b3df0e0-86df-44b2-888d-77ff48000516/
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/a894f6175d1e84c3a4dd7d14703624c4134888b024d122bfac661007e98a554a

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 a894f6175d1e84c3a4dd7d14703624c4134888b024d122bfac661007e98a554a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/242861/

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