MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d33af7d89d11e3319210f655787f74b8118e0e8804b85d718e659ead5db3ff1d. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d33af7d89d11e3319210f655787f74b8118e0e8804b85d718e659ead5db3ff1d
SHA3-384 hash: 9f52a7a283382040ea5f8125bce923fbe672e6fdc22344f26ff458d76d427b9fcf18f538e167580d1190fac744c41c75
SHA1 hash: cdb44af2a4740940c395f77bab7c53d7c25f5c0f
MD5 hash: a7bc5a4d585adbe52ba261b7d93a9035
humanhash: neptune-vegan-michigan-steak
File name:a7bc5a4d585adbe52ba261b7d93a9035.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'039'872 bytes
First seen:2021-01-21 18:31:36 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 24576:GNyO067yOSjtw0sDo6vO92IAbAyxd04Xt9ntAw32Agxx:a5+tJ6moIAbJk4hAw3
Threatray 5'460 similar samples on MalwareBazaar
TLSH E025121271A84F26D6BE47F91662149813F73F177302D7ED9E91A9CA2F32F900349A1B
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TBKK E12101010.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-21 18:01:45 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/ab015fe4-764c-48c6-b738-77beb447f2a5

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/113381/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.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/587657
Signature
Binary contains a suspicious time stamp
Found malware configuration
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 342862 Sample: MPbBCArHPF.exe Startdate: 21/01/2021 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 6 other signatures 2->44 10 MPbBCArHPF.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\MPbBCArHPF.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 MPbBCArHPF.exe 10->14         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 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.raquelvargas.net 74.220.199.6, 49744, 49765, 80 UNIFIEDLAYER-AS-1US United States 17->32 34 onointeriors.com 50.97.186.164, 49751, 49768, 80 SOFTLAYERUS United States 17->34 36 25 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 ipconfig.exe 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d33af7d89d11e3319210f655787f74b8118e0e8804b85d718e659ead5db3ff1d/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-01-21 18:20:23 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2m5ppwe5chrtdeqq6zkxq73uxaiy4duias4f24momwpk2xnt74oq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a1316858bdc617d23e0330ddcde1958d2e95a083fa04020675ad4fb01780c46
Formbook
1d2cf0287f43172cf4b7e250574319fa36b733e98878622e2ea016f5c0437679
Formbook
3f761fad9b260d06c4b062814b5ea84a196ec7add1c942748f8651e3c0c8d732
Formbook
486035f5d7f5cffc2c03aee2ecb06252449dc9330cae4b8fb35662010f59eab8
Formbook
63289870bb6e2bbb13afd47bf630c048e593afacc5c968939855f85ca5022ea4
Formbook
7b7ba3b00b882d63305aa49b3ab3c832646cded84a750de64963357bab3fc37a
Formbook
7d47ed47853921d8afd5b66c6305421eb80b582d6e47706602d52ee367496cc1
Formbook
985306a8b7a5cb0604af6bbbddea16f334b17bcec4c5477bdfdb0330ed66b674
Formbook
b34c09bf9e0459b2a09c73eb3f1c43d87861c64bbbbe26e59bfc243ef589f720
Formbook
c73732f1e8d7aff13f1c0ef733d9d4734ad81b12f27b414f0412204eb3373c71
Formbook
+ 5'450 additional samples on MalwareBazaar
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/210121-7412tt85rj/
Behaviour
Suspicious behavior: EnumeratesProcesses
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:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/9f767004-da77-49fe-9df0-bf49b7575745/
SH256 hash:
15eaabe59504078f723b659a13eacc82de33b2f1dec6f316b427fa34beb9ff04
MD5 hash:
bb9c983cfc984ca74eaf3e6d3aa84117
SHA1 hash:
e132b2c54489214b0fd710e83b81fd6eeef16496
Link:
https://www.unpac.me/results/9f767004-da77-49fe-9df0-bf49b7575745/
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/9f767004-da77-49fe-9df0-bf49b7575745/
Parent samples :
51b0b3909d415002f11d8301a4a57e60c0b111c4a99685bf0008bd43d2b1fdfb
7b7ba3b00b882d63305aa49b3ab3c832646cded84a750de64963357bab3fc37a
985306a8b7a5cb0604af6bbbddea16f334b17bcec4c5477bdfdb0330ed66b674
1d2cf0287f43172cf4b7e250574319fa36b733e98878622e2ea016f5c0437679
63289870bb6e2bbb13afd47bf630c048e593afacc5c968939855f85ca5022ea4
a243e6a605d8bb403f4cacb90a290d8f415d523dcc3c6eeedcf72f5cf803efa4
d33af7d89d11e3319210f655787f74b8118e0e8804b85d718e659ead5db3ff1d
SH256 hash:
d33af7d89d11e3319210f655787f74b8118e0e8804b85d718e659ead5db3ff1d
MD5 hash:
a7bc5a4d585adbe52ba261b7d93a9035
SHA1 hash:
cdb44af2a4740940c395f77bab7c53d7c25f5c0f
Link:
https://www.unpac.me/results/9f767004-da77-49fe-9df0-bf49b7575745/
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/d33af7d89d11e3319210f655787f74b8118e0e8804b85d718e659ead5db3ff1d

File information

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

Web download

Formbook

Executable exe d33af7d89d11e3319210f655787f74b8118e0e8804b85d718e659ead5db3ff1d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/113381/
  
URLhaus
https://urlhaus.abuse.ch/url/973362/
  
Delivery method
Distributed via web download

Comments