MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c7c6966c40ca10cdb43c9520c24ae932e63429fbc858b2c05f94f1bedbe0efa. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c7c6966c40ca10cdb43c9520c24ae932e63429fbc858b2c05f94f1bedbe0efa
SHA3-384 hash: 0fd3ed5bf7f24a343e3f2892da8a1eb7db5bd6af0fbbaa1e6727cef988a40d0902dc3e8491d2946ae114cb465b8274ed
SHA1 hash: 4ff4ca8f9acb3a14e096a677120a19dcf5062d1e
MD5 hash: 0afd845d938800704df4f5a21372db9b
humanhash: nevada-black-autumn-avocado
File name:obizx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:840'704 bytes
First seen:2022-03-02 15:06:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:gR/ImFUZT/48d6Iy3dJOn9zbowZuMpXyuLzYQirYcPQIgIYThw/Lj:OFKT/fd6Iy3d8awZLzYQirjPQJTA
Threatray 14'402 similar samples on MalwareBazaar
TLSH T1B805BF0839E75038FD3A8BF2DAC1EBF1DB6EF221D54924B554000E155A46BBC894AEFD
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/246342/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.15775.20431.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/621f8819dfdfa8501c77a176/reports/bf0dd7e8-2d30-415d-bc74-df143a8bbb8c/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/97617326-2545-4677-ba56-8d4cbd026cba
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/949266
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
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: 581744 Sample: obizx.exe Startdate: 02/03/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 10 obizx.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\...\obizx.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 obizx.exe 10->14         started        17 obizx.exe 10->17         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 32 opachy.com 185.212.71.107, 49793, 80 QUICKPACKETUS Germany 19->32 34 www.nycknitwear.com 154.204.236.125, 49779, 80 COMING-ASABCDEGROUPCOMPANYLIMITEDHK Seychelles 19->34 36 www.opachy.com 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 control.exe 19->23         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 23->48 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8c7c6966c40ca10cdb43c9520c24ae932e63429fbc858b2c05f94f1bedbe0efa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-02 08:25:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rr6gszwebsqqzw2dzfjayjfosmxggqu7xscywlaf7fhrx3n6b35a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b32f79b8abe4a232193f819dccfa47a922353e961d37d1becd35171c2b04a89
Formbook
5f3ccb49e66ef3bf10ec0a226360f55238063c739154cb131407ff02d0706e67
Formbook
6ecfdff224175dade2cbf63719974b5335c1a81cf787142681163ddf882ce00e
Formbook
6ed4597153654e9526d066d62bbf7cc0e7d7e0660049f9e3b826475d3fa71abe
Formbook
8e7173102d77a6ed527fc3e783be4aa446e757f4417d3fa1f60f3e9cd0cff4f9
Formbook
a99b696e8ac16303843b26c95c982d5be9b9fd657d843937cc586c9a8dc29b83
Formbook
cce2edbec8676315b05ba2e2dda2feb9190edb5f217b9824ae58b40a770924fe
Formbook
e22a659b73048b31aba79fce8de22ddd5a287494b763fec8d5779869dfebbf31
Formbook
ff3e94ded64b43f620ba549db99baa31abdd763209b60f7c9fc884b82cfac6d3
Formbook
+ 14'392 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o36a rat spyware stealer trojan
Link:
https://tria.ge/reports/220302-shb3ysfce6/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
175c8f1ac64f1231c4137162b195ec77a979a17823a425b65b12035128ba76ce
MD5 hash:
210c0e0d157e98c8abfff78f9e2b225d
SHA1 hash:
35f113ee2bc78d447481ac0164e16b1b256d467c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/862e1bc2-b8c4-4747-a891-e38411e6c718/
Parent samples :
6ecfdff224175dade2cbf63719974b5335c1a81cf787142681163ddf882ce00e
6ed4597153654e9526d066d62bbf7cc0e7d7e0660049f9e3b826475d3fa71abe
0b32f79b8abe4a232193f819dccfa47a922353e961d37d1becd35171c2b04a89
8c7c6966c40ca10cdb43c9520c24ae932e63429fbc858b2c05f94f1bedbe0efa
SH256 hash:
4cb4ce48064cd8ae4c6ef6c866615bd3d51bc31748b6a132d8eb3598fd7938d8
MD5 hash:
862cbae1684f30b46656ced1957b806f
SHA1 hash:
ea89438118bbf50175bb6d75155b0267d94bf8ab
Link:
https://www.unpac.me/results/862e1bc2-b8c4-4747-a891-e38411e6c718/
SH256 hash:
56a78756b6a70bfbcdf0ab0a98b8ed5c9f8043c1bcf0ad041da9593f54f9866b
MD5 hash:
bec757ed4276d1797d835913ea8abec5
SHA1 hash:
ea5e8d5213d27a9bd1fc61bb4602acfa17ab857b
Link:
https://www.unpac.me/results/862e1bc2-b8c4-4747-a891-e38411e6c718/
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
Link:
https://www.unpac.me/results/862e1bc2-b8c4-4747-a891-e38411e6c718/
SH256 hash:
8c7c6966c40ca10cdb43c9520c24ae932e63429fbc858b2c05f94f1bedbe0efa
MD5 hash:
0afd845d938800704df4f5a21372db9b
SHA1 hash:
4ff4ca8f9acb3a14e096a677120a19dcf5062d1e
Link:
https://www.unpac.me/results/862e1bc2-b8c4-4747-a891-e38411e6c718/
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/8c7c6966c40ca10cdb43c9520c24ae932e63429fbc858b2c05f94f1bedbe0efa

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
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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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/246342/

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