MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37a33a9a958fee18155dbe436b263dd70ad2494a8cf46abaea59aff017fa0384. 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

SHA256 hash: 37a33a9a958fee18155dbe436b263dd70ad2494a8cf46abaea59aff017fa0384
SHA3-384 hash: 647dfd2ad87ba932b88bb8c48a8b4d62db7fc3aab9568c135c26d28a4fe16bbe61423711c9b61b63a0d4d06b80d14605
SHA1 hash: 42bbb094662b2d84aea78e77dc0d1ccf3945584a
MD5 hash: 646cb3ad1fe8996def617c6a4f5f1b36
humanhash: table-batman-kitten-massachusetts
File name:Dekont - 140222.exe
Download: download sample
Signature Formbook
File size:300'480 bytes
First seen:2022-02-14 16:12:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:ow47Fhf/8asT4+2GqlgYxI4t6tqWoK27qnPNiCp:Ep9/8ass+dqGKL6aqnPNx
Threatray 13'291 similar samples on MalwareBazaar
TLSH T1FA54231A76D1AAE7F023023255974723E3BEFC101657228B97C2AF6EF1211D3D99E643
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm control.exe overlay packed shell32.dll
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
Detection:
malicious
Classification:
troj
Score:
96 / 100
Signature
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 571995 Sample: Dekont - 140222.exe Startdate: 14/02/2022 Architecture: WINDOWS Score: 96 17 Found malware configuration 2->17 19 Malicious sample detected (through community Yara rule) 2->19 21 Antivirus detection for URL or domain 2->21 23 4 other signatures 2->23 7 Dekont - 140222.exe 19 2->7         started        process3 file4 15 C:\Users\user\AppData\Local\...\swnwvsv.exe, PE32 7->15 dropped 10 swnwvsv.exe 7->10         started        process5 signatures6 25 Multi AV Scanner detection for dropped file 10->25 13 swnwvsv.exe 10->13         started        process7
Threat name:
Win32.Trojan.Convagent
Status:
Malicious
First seen:
2022-02-14 12:31:02 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:k12t rat spyware stealer trojan
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
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
40a4718516cf287959b2f5e8646e0f5249cee33beca88282c5bb00394920df24
MD5 hash:
670cb33737cf05ea486fd016e9c58fdb
SHA1 hash:
d9049662ccbf6341a292a79fcbe76d26ecfedb7e
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6c8b7dbe3a0d71028a060db0706b2e61498916cc99298728cd64be0aa0a35cb4
MD5 hash:
3ab409cdda9c6193d34a4fd9a5a68469
SHA1 hash:
64f911216e3bc042ecd1fea04a2910b339ce009e
SH256 hash:
37a33a9a958fee18155dbe436b263dd70ad2494a8cf46abaea59aff017fa0384
MD5 hash:
646cb3ad1fe8996def617c6a4f5f1b36
SHA1 hash:
42bbb094662b2d84aea78e77dc0d1ccf3945584a
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 37a33a9a958fee18155dbe436b263dd70ad2494a8cf46abaea59aff017fa0384

(this sample)

  
Delivery method
Distributed via e-mail attachment

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