MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6aff93a5323c418fe130ad5682f6ac9fc4c93c7b18936ddfd8894f6e7244ac23. 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 File information Comments

SHA256 hash: 6aff93a5323c418fe130ad5682f6ac9fc4c93c7b18936ddfd8894f6e7244ac23
SHA3-384 hash: 4111f4a78bfd112fc27be0d388724b3e9e427eb19af5c5bc1921fd2e605bb0881c90dec8577be376cf299b7ae7553c52
SHA1 hash: ebe4fcdd4dceb6f4cccaa0d3632a0867d5b472fa
MD5 hash: f45f33757bd5be411ca08207163924c9
humanhash: india-july-kitten-sixteen
File name:SALARY RECEIPT.exe
Download: download sample
Signature Formbook
File size:499'720 bytes
First seen:2022-02-23 11:22:28 UTC
Last seen:2022-02-23 12:36:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:EiDh5Azzsd6+LT8P96Tpcv0wuvglfHkpYm3h:fDMzcYP9UpzqtnAh
Threatray 13'547 similar samples on MalwareBazaar
TLSH T149B4CE93600505E7EAAB39F2F43FCC211556BD4F97A8724A2BA23E1E45F33620057E5B
File icon (PE):PE icon
dhash icon a452242d2d2c2dad (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the process to change network settings
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-23 11:23:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cn31 rat spyware stealer suricata 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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
e9c73a05de8922e0dffab0931d2852f41e586932b72625d02d860beedd2b8d3d
MD5 hash:
f2603e01cee050dca4cdca6ebf88b132
SHA1 hash:
0513691c617bcd75dbdef236d4ebf43f56cb74c4
SH256 hash:
6aff93a5323c418fe130ad5682f6ac9fc4c93c7b18936ddfd8894f6e7244ac23
MD5 hash:
f45f33757bd5be411ca08207163924c9
SHA1 hash:
ebe4fcdd4dceb6f4cccaa0d3632a0867d5b472fa
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 6aff93a5323c418fe130ad5682f6ac9fc4c93c7b18936ddfd8894f6e7244ac23

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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