MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e44da40fdcc993d0d678016ba7d80ff23b552a3ed1da2f9d4e4c87daa597d20. 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
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SHA256 hash: 4e44da40fdcc993d0d678016ba7d80ff23b552a3ed1da2f9d4e4c87daa597d20
SHA3-384 hash: 7fd8b4f5f19553c3387a08f76acd29467141d88e7dda6e7fa37f218d46aa50fe3c9f0e270a7c9e8590eaf35702d9a1d1
SHA1 hash: c11f3f309826f02654e8ffc6d41f15ed964b9955
MD5 hash: 22dff8e424ec09fff3c741cad62d844a
humanhash: angel-fillet-social-comet
File name:Purchasing.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'105'408 bytes
First seen:2022-03-29 21:17:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:QgjjOuifHhq+NA2TeULmsRV48zc6r3SoguC/X90AW:RdCBq+NzTew9Rzh3pZQ90A
Threatray 14'810 similar samples on MalwareBazaar
TLSH T1B4351212F298469AC4295A7A64334D001733BF2F5D1EF74E76B2B48B29B33C21166F67
File icon (PE):PE icon
dhash icon 74f4888a8c8880a4 (8 x SnakeKeylogger, 2 x AgentTesla, 2 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/259442/
Detection(s):
Sanesecurity.Rogue.0hr.20220329-1902.UNOFFICIAL
Create hunting rule

Win.Malware.Fareit-9802638-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed strictor
Link:
https://www.filescan.io/uploads/6243778b1f204239484dde3d/reports/d2604371-2640-4694-8c0a-82a17592877e/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/446bed75-c74d-43ff-ab6b-25b986bdc714
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/967147
Signature
.NET source code contains potential unpacker
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)
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)
Sample uses process hollowing technique
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 599634 Sample: Purchasing.exe Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 6 other signatures 2->36 10 Purchasing.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\Purchasing.exe.log, ASCII 10->28 dropped 46 Tries to detect virtualization through RDTSC time measurements 10->46 48 Injects a PE file into a foreign processes 10->48 14 Purchasing.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 process9 19 wscript.exe 17->19         started        signatures10 38 Self deletion via cmd delete 19->38 40 Modifies the context of a thread in another process (thread injection) 19->40 42 Maps a DLL or memory area into another process 19->42 44 Tries to detect virtualization through RDTSC time measurements 19->44 22 cmd.exe 1 19->22         started        24 explorer.exe 132 19->24         started        process11 process12 26 conhost.exe 22->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4e44da40fdcc993d0d678016ba7d80ff23b552a3ed1da2f9d4e4c87daa597d20/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-29 15:22:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
56
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jzcnuqh5zsmt2dlhqallu7ma74r3kuvd5uo2f6ou4teh3kszpuqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
44fcbf4b6194a2835b5193606c9ad3ac9aa62b3fe6f724201f8b8edfd3b24076
Formbook
9ce095407360621d73c9274fa4c8ada20469de99c13dfa17c546c50516b0e9b0
Formbook
9cfa1deda62a35bf8c2211bf4c1996d880c84c4242308a5d74403a570d70e066
Formbook
bc91c7988916b582c31a55f44cbdebcfae416c3f645bf8826485fc358e0ac0e7
Formbook
cbf7dac8ee4dd46d48f7a0d6f0495d3d27ef5319fd05ace04aea7bfe96fe99c7
Formbook
d0d6b8f342215efb1adba27088bb7f6dfe14dd3734612aecf1124b121c3a7cc6
Formbook
e073516efee850dda1e008bcd82c3160cb867dda001bec42d76f6aa6af82a257
Formbook
f199872c7181357c0f97b1c5415251a41b0588af401461f319fafe94b2ed4653
Formbook
+ 14'800 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d1n3 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220329-z5k3psfegl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7b67f368c4fd94831894849ec9fa44cd97947d04ed7793bcc95786b1cd0a53b8
MD5 hash:
c377124183d9f07def0b0610f1b61af3
SHA1 hash:
948a9c900e1bf72aeea33a1b31e534863dd74c6a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/97db121f-e02e-4131-8901-fa22cd7d2ff9/
Parent samples :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 hash:
5513d6af6e145dd7a954be812a437351da4f2bb56a9322ad555e06d906f6c83d
MD5 hash:
13777f98aa87191b480ce516e6a027b4
SHA1 hash:
ce692049d56d2b9ce681d74495ef2c1d7868cf41
Link:
https://www.unpac.me/results/97db121f-e02e-4131-8901-fa22cd7d2ff9/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/97db121f-e02e-4131-8901-fa22cd7d2ff9/
SH256 hash:
90aa7e5cbfba20bd23e2348e5c5581350f1ebc6e28679512bc4c1f0a68d10167
MD5 hash:
f014ef2ec99e2f0d5d1a9baf8cbdb52d
SHA1 hash:
00ff1928363e05c99a7cfe34157bbfb6ef7cbebe
Link:
https://www.unpac.me/results/97db121f-e02e-4131-8901-fa22cd7d2ff9/
SH256 hash:
4e44da40fdcc993d0d678016ba7d80ff23b552a3ed1da2f9d4e4c87daa597d20
MD5 hash:
22dff8e424ec09fff3c741cad62d844a
SHA1 hash:
c11f3f309826f02654e8ffc6d41f15ed964b9955
Link:
https://www.unpac.me/results/97db121f-e02e-4131-8901-fa22cd7d2ff9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4e44da40fdcc/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/4e44da40fdcc993d0d678016ba7d80ff23b552a3ed1da2f9d4e4c87daa597d20

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 4e44da40fdcc993d0d678016ba7d80ff23b552a3ed1da2f9d4e4c87daa597d20

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/259442/

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