MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51b0b3909d415002f11d8301a4a57e60c0b111c4a99685bf0008bd43d2b1fdfb. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51b0b3909d415002f11d8301a4a57e60c0b111c4a99685bf0008bd43d2b1fdfb
SHA3-384 hash: 511a4d9e70df2b45e0f113297c87aed63e02ab3d57273e3ca318d4fbdabd25a939894f138ba9cf1d409fd7f89f47983d
SHA1 hash: 81d26b7172cea8c35f5f4c7abac75f7ed4979506
MD5 hash: 96fa311b1fcfadc7cf9f561f8f36fab6
humanhash: four-kilo-october-moon
File name:96fa311b1fcfadc7cf9f561f8f36fab6.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:724'480 bytes
First seen:2021-01-12 07:06:31 UTC
Last seen:2021-01-12 08:55:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:jYDVEuY8QpI8yikIoOF/Rw6kkUUWsHLgdMaSg6z1rTbr2:jYBy8QCiLjpL0M9l12
TLSH 6DF4BF0061BC6FF3EA3E93F02646560547FE2A6F64AEE1B44CD130DB22A6F854615BC7
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BSL 21 PYT.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-12 06:14:49 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/d09f3271-0a37-49ec-b22f-7a05f2f76105

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/111391/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.2189.30224.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/578668
Signature
.NET source code contains potential unpacker
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338383 Sample: T0pH7Bimeq.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 5 other signatures 2->46 10 T0pH7Bimeq.exe 3 2->10         started        process3 file4 32 C:\Users\user\AppData\...\T0pH7Bimeq.exe.log, ASCII 10->32 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 T0pH7Bimeq.exe 10->14         started        17 T0pH7Bimeq.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 34 www.zindaginews.com 154.91.53.47, 49738, 49764, 80 VPSQUANUS Seychelles 19->34 36 www.silhouettebodyspa.com 198.185.159.144, 49750, 80 SQUARESPACEUS United States 19->36 38 20 other IPs or domains 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 23 wlanext.exe 19->23         started        26 autofmt.exe 19->26         started        signatures10 process11 signatures12 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 28 cmd.exe 1 23->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51b0b3909d415002f11d8301a4a57e60c0b111c4a99685bf0008bd43d2b1fdfb/
Threat name:
Win32.Trojan.Bulz
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 07:07:06 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210112-1pbxshmtjj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.stonescapes1.com/de92/
Unpacked files
SH256 hash:
51b0b3909d415002f11d8301a4a57e60c0b111c4a99685bf0008bd43d2b1fdfb
MD5 hash:
96fa311b1fcfadc7cf9f561f8f36fab6
SHA1 hash:
81d26b7172cea8c35f5f4c7abac75f7ed4979506
Link:
https://www.unpac.me/results/f0cc0c3b-bf8c-42c0-82cf-07af022665a8/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/f0cc0c3b-bf8c-42c0-82cf-07af022665a8/
SH256 hash:
dfba79bae7259f407d6d9b178c6471f215440ec73b430c30307ca268d04e86ba
MD5 hash:
6c421e0b09a569af7c2110c4722b830b
SHA1 hash:
ff8c92235ab021daa1475b4f4368b0c76cd21990
Link:
https://www.unpac.me/results/f0cc0c3b-bf8c-42c0-82cf-07af022665a8/
SH256 hash:
c3dbb38fe783bb752cd86bf075eec7754facd5d69584cfba43f77b4ad9efdb89
MD5 hash:
de94d3d3943cb9339f826a6b70f905e7
SHA1 hash:
459f616f22038ffbcc47f41c8af6e58a4b68d124
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f0cc0c3b-bf8c-42c0-82cf-07af022665a8/
Parent samples :
51b0b3909d415002f11d8301a4a57e60c0b111c4a99685bf0008bd43d2b1fdfb
7b7ba3b00b882d63305aa49b3ab3c832646cded84a750de64963357bab3fc37a
985306a8b7a5cb0604af6bbbddea16f334b17bcec4c5477bdfdb0330ed66b674
1d2cf0287f43172cf4b7e250574319fa36b733e98878622e2ea016f5c0437679
63289870bb6e2bbb13afd47bf630c048e593afacc5c968939855f85ca5022ea4
a243e6a605d8bb403f4cacb90a290d8f415d523dcc3c6eeedcf72f5cf803efa4
d33af7d89d11e3319210f655787f74b8118e0e8804b85d718e659ead5db3ff1d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/51b0b3909d415002f11d8301a4a57e60c0b111c4a99685bf0008bd43d2b1fdfb

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 51b0b3909d415002f11d8301a4a57e60c0b111c4a99685bf0008bd43d2b1fdfb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/952191/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/111391/

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