MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7543c6fd163cc67f5bf477b5b583bfca5c094e65c6a5d5dea56e3eeb333b1cad. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 7543c6fd163cc67f5bf477b5b583bfca5c094e65c6a5d5dea56e3eeb333b1cad
SHA3-384 hash: abed5c214c6174586f26afdcbac815efa435240a87c1a937114a31d483dbe36750257455a7b29e2417ab36c6a77ac32a
SHA1 hash: 87a8ca997533df78445c497d637451062ae289ee
MD5 hash: 1968eb3e1db96fcc509cf0916e35b13d
humanhash: north-cup-black-oregon
File name:kash.exe
Download: download sample
Signature Formbook
File size:391'168 bytes
First seen:2020-08-05 07:35:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:5XuN2hVl8EmS6yUfuC1k7x1bRBGm9ZwppBBRDC80Zlo6d03aCIQzBCcWYs:5Xu8lxah2TlJREm92Tq8866qKVkf
Threatray 5'166 similar samples on MalwareBazaar
TLSH CB84E00D37A4A15DF2BE1E3F8C3151838D22F85FEE26D24B2AB1112945BE69CBC25F51
Reporter JAMESWT_WT
Tags:FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected FormBook malware
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 257438 Sample: kash.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 37 www.sparkdj.email 2->37 39 www.mrtriumph.com 2->39 49 Malicious sample detected (through community Yara rule) 2->49 51 Yara detected AntiVM_3 2->51 53 Yara detected FormBook 2->53 55 2 other signatures 2->55 9 kash.exe 1 2->9         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\kash.exe.log, ASCII 9->29 dropped 65 Tries to detect virtualization through RDTSC time measurements 9->65 67 Injects a PE file into a foreign processes 9->67 69 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->69 13 kash.exe 9->13         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 13->71 73 Maps a DLL or memory area into another process 13->73 75 Sample uses process hollowing technique 13->75 77 Queues an APC in another process (thread injection) 13->77 16 explorer.exe 13->16 injected process9 dnsIp10 31 digitalguerra.com 81.88.48.71, 49743, 49744, 49745 REGISTER-ASIT Italy 16->31 33 www.wejamn.com 194.5.153.211, 49747, 49748, 49749 DEDIPATH-LLCUS Germany 16->33 35 3 other IPs or domains 16->35 47 System process connects to network (likely due to code injection or exploit) 16->47 20 explorer.exe 19 16->20         started        signatures11 process12 dnsIp13 41 www.bankerexchange.com 20->41 43 www.hugedomains.com 104.26.6.37, 443, 49740 CLOUDFLARENETUS United States 20->43 45 HDRedirect-LB5-1afb6e2973825a56.elb.us-east-1.amazonaws.com 20->45 25 C:\Users\user\AppData\...\870logrv.ini, data 20->25 dropped 27 C:\Users\user\AppData\...\870logri.ini, data 20->27 dropped 57 System process connects to network (likely due to code injection or exploit) 20->57 59 Detected FormBook malware 20->59 61 Tries to steal Mail credentials (via file access) 20->61 63 4 other signatures 20->63 file14 signatures15
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-05 06:19:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Formbook Payload
Formbook
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.

Web download

Formbook

Executable exe 7543c6fd163cc67f5bf477b5b583bfca5c094e65c6a5d5dea56e3eeb333b1cad

(this sample)

  
Delivery method
Distributed via web download

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