MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e789763966dffd326114e10b489f2a3b981ccd11f189028704dbbd9a10d33823. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e789763966dffd326114e10b489f2a3b981ccd11f189028704dbbd9a10d33823
SHA3-384 hash: fa0eecbdcc41b2e6e54756436198bcd248a2a5725238e60ea12cf5a924be6cf3bcde1a66fdc88da5f2945a5d95bd0328
SHA1 hash: e78758a72372214c0de08966c77a50cdbaf3559b
MD5 hash: 05443965844c3f519abe3ac6427f2bb4
humanhash: grey-happy-orange-cardinal
File name:05443965844c3f519abe3ac6427f2bb4.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'031'680 bytes
First seen:2022-03-29 07:23:04 UTC
Last seen:2022-03-29 08:16:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'601 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:kQfD+b1eEV6bEye/J3bWf5nzX2tbhEeenicdZIRCsB1K:kQfD+b1eEV6sJrWf5njadWnrZIQs
Threatray 12'229 similar samples on MalwareBazaar
TLSH T16625121827E88691FABD67FBA4B084109B35BA1F253BE71D818128DE0F773C5865B317
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/259010/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.31509.9431.22364.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/6242b4149253b276b79908f0/reports/a5af12bb-ec95-4bb9-9387-eaa489260936/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/5342d0cf-83f9-4850-9162-8df91a5e6681
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966436
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
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 dnsIp2 2 Behavior Graph ID: 598952 Sample: yMm21ZjolW.exe Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 29 www.mcrosfts-updata.digital 2->29 31 www.greatnotleyeast.com 2->31 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 7 other signatures 2->39 11 yMm21ZjolW.exe 3 2->11         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\yMm21ZjolW.exe.log, ASCII 11->27 dropped 49 Tries to detect virtualization through RDTSC time measurements 11->49 51 Injects a PE file into a foreign processes 11->51 15 yMm21ZjolW.exe 11->15         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Sample uses process hollowing technique 15->57 59 Queues an APC in another process (thread injection) 15->59 18 explorer.exe 15->18 injected process9 process10 20 control.exe 18->20         started        signatures11 41 Self deletion via cmd delete 20->41 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e789763966dffd326114e10b489f2a3b981ccd11f189028704dbbd9a10d33823/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-29 07:24:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
190b1831c5dfcd818fb3a4ff19a5a0ebfdaec9598e71c7a8c9f56f6ac9e52c6f
Formbook
374874898c5386561d60c3fae0482d1caee783f1096dda6742b1c073175a0a14
Formbook
af985554eebc4990f77fc7c337d7af4367c2e28acbb41386669e5fa3bb55fbcd
Formbook
c68894e6a7551cdf34c082a0ba372f9544d07aee0f2d09dfb7fed3e664e91aaf
Formbook
c86f3a2110ed2a8498cf30d4ab88cf9ea18edc612835fe2b369e7596dafb802e
Formbook
cdd772fd3c4299298b8e84472d0b2c20531885a77cfad41495d56337c567a88b
Formbook
d67265883ffb3f3129132bfe1dad4a828c887266a0a005e814bcda58c525625b
Formbook
df1510f64189b49ffeb4630c74af81a86888114102b493f52b5ad1c1cb58d121
Formbook
+ 12'219 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ahc8 loader rat
Link:
https://tria.ge/reports/220329-h8ddlaggbm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
4ba151c67b778cd34dd861762d9474946f039c9d066ca04849a7b994bcc6460c
MD5 hash:
97baeeaab7313c74dfd7643c626f7dc5
SHA1 hash:
5419e7ebaabdf884bd2bde82b0aaee7b2cedb84f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fefc06a4-1fea-4152-b5ae-31c2187d1f4f/
Parent samples :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 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/fefc06a4-1fea-4152-b5ae-31c2187d1f4f/
SH256 hash:
82f306b1a81e0b8aac212307e0eb52fa3157bf36394dd452ab0c41ef0d88983c
MD5 hash:
f9bdf6270abe8f6bc7e5abd734caceae
SHA1 hash:
376d4f3e76ebd547f63ceaf0228d89c104cab054
Link:
https://www.unpac.me/results/fefc06a4-1fea-4152-b5ae-31c2187d1f4f/
SH256 hash:
173fca7da8016b1f99a601265cb23cc7da107e34fb463a3308e057c4a8d5c22c
MD5 hash:
e07a397c6b94049e245ba58560ee0a7c
SHA1 hash:
0b179f9a2fb469b1df83fa2ddd7db8a41a8d198f
Link:
https://www.unpac.me/results/fefc06a4-1fea-4152-b5ae-31c2187d1f4f/
SH256 hash:
e789763966dffd326114e10b489f2a3b981ccd11f189028704dbbd9a10d33823
MD5 hash:
05443965844c3f519abe3ac6427f2bb4
SHA1 hash:
e78758a72372214c0de08966c77a50cdbaf3559b
Link:
https://www.unpac.me/results/fefc06a4-1fea-4152-b5ae-31c2187d1f4f/
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/e789763966dffd326114e10b489f2a3b981ccd11f189028704dbbd9a10d33823

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 e789763966dffd326114e10b489f2a3b981ccd11f189028704dbbd9a10d33823

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2108904/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/259010/

Comments