MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5710572191f804e2f5f91ec37236187038467ef22922976630028ea45d340807. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 5710572191f804e2f5f91ec37236187038467ef22922976630028ea45d340807
SHA3-384 hash: 1ef1953bf63eacaed339663d07806603cb8d6654938a603279db37bf45fbcb74f6dbb9a6c400003d471171bc1dc8a5b9
SHA1 hash: 39f6f848abbf88c0479737a2f665cfac748cfa27
MD5 hash: c8d32b80ac5ea9656974182bf5fa8526
humanhash: sad-yellow-arizona-low
File name:nellyzx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:795'136 bytes
First seen:2023-06-19 16:54:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:lQSCihWjoqjD1xZPc38GJb1trxYrCaZH062ttYq7J3At5iHOq+ZQ:dCAWBjHZPmB1BxYrCgH062LYqtm8OqK
Threatray 2'546 similar samples on MalwareBazaar
TLSH T1B30512184AE9621FE6671B7DEB54BB791B3BEB046A37D32B2C51B0C3AD12B500B01375
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
296
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
nellyzx.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 16:55:44 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/15f55dec-53bd-49a5-a14a-6c5a4823fd6c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/400624/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.24981.287.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
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:
clipbanker comodo darkkomet packed
Link:
https://www.filescan.io/uploads/649088681bc6cbebc9b57af4/reports/9b392909-b2f9-4dd6-bc06-fd5e1d6d598b/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/5710572191f804e2f5f91ec37236187038467ef22922976630028ea45d340807
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b1b50abf-57f5-45ee-895d-274a9e8f4acc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257590
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
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890608 Sample: nellyzx.exe Startdate: 19/06/2023 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 5 other signatures 2->44 10 nellyzx.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\nellyzx.exe.log, ASCII 10->30 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 nellyzx.exe 10->14         started        17 nellyzx.exe 10->17         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 19 explorer.exe 1 1 14->19 injected process8 dnsIp9 32 fcno30.com 68.66.226.117, 49698, 80 A2HOSTINGUS United States 19->32 34 www.saatvikteerthyatra.com 19->34 36 4 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 msiexec.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 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/5710572191f804e2f5f91ec37236187038467ef22922976630028ea45d340807/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-06-19 16:54:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k4ifoimr7acof5pzd3bxenqyoa4em7xsferjozrqakhkixjubadq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
Formbook
2799249b9775bcf4a66a5f7fc52a40959815b1bb4b2b882b4f1e57d5dec406c1
Formbook
41ab6054625f7a03d1a0af44403ac248ca880ddc0141f61e41755b6f2263e42a
Formbook
79d20833e8b6c58ece93da20c2c927565e26198e5a6c802cbf5b559429eb4a94
Formbook
87d3bbd8edcab168832890e4d362542e2be35fe286ce9a2ebeeb8216d08cca0f
Formbook
896d0711b287b0914d88b93ff8d06623c60f45b405e12cbc34a406e09942a577
Formbook
a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc
Formbook
a79e68bc2d8643ff603ce0333efb343924760abc43edcc450c124fe4b9142c75
Formbook
c643ce9cf3045a605b3ed588dc7e992de791468c841013fcdb310e751b237ad3
Formbook
fbaea63cf0928cdd548719ce257ea3813b92a8765f561bbe7e8842e7d830b87e
Formbook
+ 2'536 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:btrd rat spyware stealer trojan
Link:
https://tria.ge/reports/230619-ve4pxagc7y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
dc1640a58e9fea5bfa7f6345a1c4c30b240225cc63f34fdb389af6ece1c5a007
MD5 hash:
b80e4dff0fc7c0b2fc2455aee3273485
SHA1 hash:
2e8ecd4015704c7fa7cd039accf3dd4c6547ca63
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/64eddc53-fb1b-40ba-9685-15e8882e5b16/
Parent samples :
87d3bbd8edcab168832890e4d362542e2be35fe286ce9a2ebeeb8216d08cca0f
896d0711b287b0914d88b93ff8d06623c60f45b405e12cbc34a406e09942a577
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
df810d99cd1588f21a80f27dc691efb44083567f1385978dad10611858bad134
c643ce9cf3045a605b3ed588dc7e992de791468c841013fcdb310e751b237ad3
2799249b9775bcf4a66a5f7fc52a40959815b1bb4b2b882b4f1e57d5dec406c1
a79e68bc2d8643ff603ce0333efb343924760abc43edcc450c124fe4b9142c75
79d20833e8b6c58ece93da20c2c927565e26198e5a6c802cbf5b559429eb4a94
caa1bdc19a635529512712883d67b0de6ff62f71f880e7527f38a4590a238b36
42f2f917ae48fc7239e19745dadfc47fa16537798f75b11a21ba9a604fbb4631
28c3fe7155927cb7482afbe59c25193a1a34856caa296cec11f9a3404df33d7c
7428f76122fbba77322e7338dafb21a613cbcc104f5af85c026b350c2d426f23
41ab6054625f7a03d1a0af44403ac248ca880ddc0141f61e41755b6f2263e42a
fbaea63cf0928cdd548719ce257ea3813b92a8765f561bbe7e8842e7d830b87e
5710572191f804e2f5f91ec37236187038467ef22922976630028ea45d340807
b28c7e4510175a83aa87b5511c73319de27fc894ffc28d561d4689c3ca27d1f9
99bb71c925f112035797c13df8af4106c78c305aecea027583007145fce87de7
01b671890aaefc4af8c91936da19e526f9b104c0a0db0b82734b3328359da0cb
0e0c5ba817a732585fb0e4100c7c7fe60e35b389b941c1b6a975aeebff2c809b
15426243aa8d60c8592a759e72f42ee2b1d9f2cbf96018c565ce70fd6778ca33
af3da7cad17a62ffd55dff83580e4f63697bf6e73faec62269c6f6b80fd8516c
1e053c6bce5db98306f6795783016d7d94aaac748c80798210d7932e0c248d61
321409ee266700ca2cac296c34e8c77358c43503b2376df20a613445ef5b23af
f29177a4cfd69578f868616ce53b974ee5c362b2d43e70a17277ac18bbe4d125
f4b495bc964bbf91246a27e1e0bb242c0e7cb80729a97ae8bd8be53c3c91ef4c
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
Link:
https://www.unpac.me/results/64eddc53-fb1b-40ba-9685-15e8882e5b16/
SH256 hash:
671d801fb9975ab4a3c54718862a347b45e493716c2337294dec5c79daa4349a
MD5 hash:
9e7098a6e0d7f1a5cc4ead7c9765bfeb
SHA1 hash:
be1f08aec261d56939e4be931548033ea41794ac
Link:
https://www.unpac.me/results/64eddc53-fb1b-40ba-9685-15e8882e5b16/
SH256 hash:
24b077fd9b344cd944a736f24ada8b80c7285f7343ff9dc56b58769bde27e4f6
MD5 hash:
64fcc151459a284a183dbbc044aa2142
SHA1 hash:
a33fa55f857e654bb5688c116680217e673bb600
Link:
https://www.unpac.me/results/64eddc53-fb1b-40ba-9685-15e8882e5b16/
SH256 hash:
7ee31dab6f5992a8e868e01f62ece216fc13b41e6d98718cb10349ee0ca85aec
MD5 hash:
8377862993449c20504c1884522bd087
SHA1 hash:
5d20dc4d2fe2066aa2b20dfb02bfde9e3187292f
Link:
https://www.unpac.me/results/64eddc53-fb1b-40ba-9685-15e8882e5b16/
SH256 hash:
5710572191f804e2f5f91ec37236187038467ef22922976630028ea45d340807
MD5 hash:
c8d32b80ac5ea9656974182bf5fa8526
SHA1 hash:
39f6f848abbf88c0479737a2f665cfac748cfa27
Link:
https://www.unpac.me/results/64eddc53-fb1b-40ba-9685-15e8882e5b16/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5710572191f8/report/overview.html
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/5710572191f804e2f5f91ec37236187038467ef22922976630028ea45d340807

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
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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/400624/
  
URLhaus
https://urlhaus.abuse.ch/url/2656214/

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