MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c76a9b44010a1926c0f891cdca969d734a128bd891aa4ae4448da346186ac6cd. 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: c76a9b44010a1926c0f891cdca969d734a128bd891aa4ae4448da346186ac6cd
SHA3-384 hash: 5a0d0142490548f626524e14b4acf016facc38d9c847afdeda7b82ee23a3996731baf40905f956426043060f49f8b3bf
SHA1 hash: b000331ab45544b34b140ad5b4eaf538770b719b
MD5 hash: 81be0a4da416ca67ffe1b16a34d05553
humanhash: fish-summer-north-golf
File name:toc4465321.exe
Download: download sample
Signature Formbook
File size:340'814 bytes
First seen:2022-02-25 13:48:30 UTC
Last seen:2022-02-25 15:57:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:TxDCN/GVY/NyPKLJuS+qTliLxcgE4enHwAaRYRy71sAS9c:sO1wrTQDSHwXRGbc
Threatray 13'631 similar samples on MalwareBazaar
TLSH T1A174233582D14863DB9645B10E77EB3AF3B897592E3E622F03610F5791323875B2D32A
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
251
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 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
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe nemesis 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
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 578857 Sample: toc4465321.exe Startdate: 25/02/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 4 other signatures 2->55 11 toc4465321.exe 18 2->11         started        process3 file4 33 C:\Users\user\AppData\Local\Temp\unlnld.exe, PE32 11->33 dropped 14 unlnld.exe 11->14         started        process5 signatures6 65 Multi AV Scanner detection for dropped file 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 unlnld.exe 14->17         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 20 explorer.exe 17->20 injected process9 dnsIp10 35 www.lc8md31.com 172.252.67.238, 49800, 80 EGIHOSTINGUS United States 20->35 37 www.thepropertyinspectorsllc.com 20->37 39 thepropertyinspectorsllc.com 34.102.136.180, 49826, 80 GOOGLEUS United States 20->39 57 System process connects to network (likely due to code injection or exploit) 20->57 24 cmmon32.exe 20->24         started        27 autochk.exe 20->27         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 29 cmd.exe 1 24->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-02-24 16:26:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:l22s 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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
3172fc9b1254b18aadba0d8a7a4ae6e6ae40572b90819009ed6bc2db974f6706
MD5 hash:
327ad4cb1405f0fcc2e029a87c753bc1
SHA1 hash:
bb47bdebf5e5cc0c895d6734c89a281c1aef2d4d
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
ea458c5330e559df624ae60d87b36c69c94ab78a8eac935296a068a69644367e
MD5 hash:
5aa2206f0d97c8da1e6be2061b4239a0
SHA1 hash:
f317423037f884eaca94e43a6206b28fb0db256f
SH256 hash:
c76a9b44010a1926c0f891cdca969d734a128bd891aa4ae4448da346186ac6cd
MD5 hash:
81be0a4da416ca67ffe1b16a34d05553
SHA1 hash:
b000331ab45544b34b140ad5b4eaf538770b719b
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 c76a9b44010a1926c0f891cdca969d734a128bd891aa4ae4448da346186ac6cd

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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