MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f. 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: d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f
SHA3-384 hash: f92f897c8c1c7f9ea0cc27648c64d70be6968f0292034cd4e2d6026fe6b907fd2e6d561d44c83458ed67f5903186340e
SHA1 hash: 3d709d72104d1da8fcde4fb1804e8d33dc2c3593
MD5 hash: 233022d87ece4ece4348ab1c20644c3f
humanhash: quebec-delaware-quebec-butter
File name:233022d87ece4ece4348ab1c20644c3f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:654'336 bytes
First seen:2022-04-04 18:32:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ZxBJ1EFDQGSZ0QCwQtitxivXe96ixMTVD27sdh4NjrK/w8c/hvr:r1EtriLi2BMTVbGjrKA
Threatray 14'615 similar samples on MalwareBazaar
TLSH T1C8D4E02C27F84B52E9BE47FD90B5914083F4B626980FE70D4AD160F92D77390CD26A67
File icon (PE):PE icon
dhash icon a2aab28acad696aa (10 x Loki, 8 x AgentTesla, 8 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/260730/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.34136.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware obfuscated packed remote.exe update.exe
Link:
https://www.filescan.io/uploads/624b39f4db9ca5cf841db61a/reports/e52d63d3-13b7-47f1-8180-c1ccb6078ed4/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8436b870-9ba0-47a1-be86-c2734e7c38bb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/970365
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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: 602852 Sample: EFNVUX856M.exe Startdate: 04/04/2022 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 8 other signatures 2->47 9 EFNVUX856M.exe 3 2->9         started        process3 file4 31 C:\Users\user\AppData\...FNVUX856M.exe.log, ASCII 9->31 dropped 49 Tries to detect virtualization through RDTSC time measurements 9->49 51 Injects a PE file into a foreign processes 9->51 13 EFNVUX856M.exe 9->13         started        signatures5 process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 svchost.exe 13->16         started        19 explorer.exe 13->19 injected 21 autofmt.exe 13->21         started        process8 signatures9 33 Self deletion via cmd delete 16->33 35 Modifies the context of a thread in another process (thread injection) 16->35 37 Maps a DLL or memory area into another process 16->37 39 Tries to detect virtualization through RDTSC time measurements 16->39 23 cmd.exe 1 16->23         started        25 explorer.exe 102 16->25         started        27 autofmt.exe 19->27         started        process10 process11 29 conhost.exe 23->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-04-04 18:33:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ba2f6257fb96db81026615bb726f0ede3ea3263f2f79989cbab3f7e3cff97a1
Formbook
0d913321824b24f168daf6da5e888c9700fb5ed5e3bc06bd24be670c1a10fcb7
Formbook
2f769789848c3e7e7492ad889d72f0087633418aa8368fcbfa63bf2dc31bfd1a
Formbook
4bc96a8bb1739c227e539a7aa4156cb6c1023a254e2660135351edbe9a7db8e2
Formbook
8d08a6736ce2ad51b87e1f3e9577a53abd8ca055fb1d7027b97250cecabee199
Formbook
909570efc48341a6ae00ae8dcbb8d751f912569a4756f7526bc7d0cf1cda81ed
Formbook
9621e6459dc138fb11bc279b6583fc68eed0db7b284e198c74dda8385db8ce0d
Formbook
d675408e7dcc87922c9d654a5c4f387f70d4a06ad99bad187753d90ee6381a87
Formbook
d9477f38fadfaf52a609392f7b372b558c7aa029da15f940331fcc48ef0ad9a9
Formbook
f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817
Formbook
+ 14'605 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g02e rat spyware stealer trojan
Link:
https://tria.ge/reports/220404-w67rbaeddp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
860b474a3394c7d83ef87699342b8869853331bb50e8c0d518e63666c349e094
MD5 hash:
4753501bad1bea0a3f178296068e6a65
SHA1 hash:
dd86ef8caabd28157cc86a3fee24a154dccc8ae2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/134897f5-d73a-4c83-9771-8edb29a68a71/
Parent samples :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 hash:
9797671342d5c84ccc4a35c74da7e9f4238a295578d12c88cbbbd59bcac11ffe
MD5 hash:
2890bc308ae6f8854c41eec2d795b73a
SHA1 hash:
740ea6a974d286d94ff966eea0d647aec49c0293
Link:
https://www.unpac.me/results/134897f5-d73a-4c83-9771-8edb29a68a71/
SH256 hash:
97c9d834037603c4fe4e918bda2d129a7493146c846f5eb9e6e575bc6eb014f0
MD5 hash:
5db55a7628bb80c278e79e21b7f53a41
SHA1 hash:
31b5669b0ec708b33fe13be74b904fb281429a1a
Link:
https://www.unpac.me/results/134897f5-d73a-4c83-9771-8edb29a68a71/
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
Link:
https://www.unpac.me/results/134897f5-d73a-4c83-9771-8edb29a68a71/
SH256 hash:
d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f
MD5 hash:
233022d87ece4ece4348ab1c20644c3f
SHA1 hash:
3d709d72104d1da8fcde4fb1804e8d33dc2c3593
Link:
https://www.unpac.me/results/134897f5-d73a-4c83-9771-8edb29a68a71/
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/d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f

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 d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2096984/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/260730/

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