MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b19d067a87767c377a60981192e5edb9256ce11f7d663cdcae2af3d8d0c0c382. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: b19d067a87767c377a60981192e5edb9256ce11f7d663cdcae2af3d8d0c0c382
SHA3-384 hash: 069b5628af59d4628e8c8fb0f1c89b87ec5fc197e6b53d1b8070bfdec8356a3f35bf136ceb400944bf07616ac7ca0bdd
SHA1 hash: c344b4df93416725a4905549f4140b29aeeffe6e
MD5 hash: ce400cfe49777d6039d4b5d7317f44cc
humanhash: vegan-pizza-four-zebra
File name:ce400cfe49777d6039d4b5d7317f44cc.exe
Download: download sample
Signature Formbook
File size:615'936 bytes
First seen:2020-10-07 17:08:09 UTC
Last seen:2020-10-07 18:00:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:9lMHbg3kYz55QxPjtol4OpHqgrX4B+37LU+AmpspCswpNO4VZgNe:o7E/55QxPjiTqgrLgnbpCnO4VZgNe
Threatray 2'355 similar samples on MalwareBazaar
TLSH D3D4124C739C8EA2FBFF1D75ADA404514BB1EB52A853D386F8C853E4245A7C402A37A7
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 294682 Sample: cegvB5ne0m.exe Startdate: 07/10/2020 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 4 other signatures 2->63 10 cegvB5ne0m.exe 1 2->10         started        process3 signatures4 73 Writes to foreign memory regions 10->73 75 Maps a DLL or memory area into another process 10->75 13 RegAsm.exe 10->13         started        16 cegvB5ne0m.exe 1 10->16         started        18 cmd.exe 1 10->18         started        process5 signatures6 77 Modifies the context of a thread in another process (thread injection) 13->77 79 Maps a DLL or memory area into another process 13->79 81 Sample uses process hollowing technique 13->81 83 Queues an APC in another process (thread injection) 13->83 20 explorer.exe 13->20 injected 85 Writes to foreign memory regions 16->85 24 RegAsm.exe 16->24         started        26 cmd.exe 1 16->26         started        87 Tries to detect virtualization through RDTSC time measurements 18->87 28 conhost.exe 18->28         started        30 choice.exe 1 18->30         started        process7 dnsIp8 45 www.hkganghua.com 23.110.236.69, 49741, 80 LEASEWEB-USA-LAX-11US United States 20->45 47 jobshustle.com 34.102.136.180, 49755, 80 GOOGLEUS United States 20->47 49 4 other IPs or domains 20->49 65 System process connects to network (likely due to code injection or exploit) 20->65 32 mstsc.exe 20->32         started        35 cmd.exe 20->35         started        67 Modifies the context of a thread in another process (thread injection) 24->67 69 Maps a DLL or memory area into another process 24->69 71 Sample uses process hollowing technique 24->71 37 conhost.exe 26->37         started        39 choice.exe 1 26->39         started        signatures9 process10 signatures11 51 Modifies the context of a thread in another process (thread injection) 32->51 53 Maps a DLL or memory area into another process 32->53 55 Tries to detect virtualization through RDTSC time measurements 32->55 41 cmd.exe 1 32->41         started        process12 process13 43 conhost.exe 41->43         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-10-07 10:32:00 UTC
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
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.kelitastudio.com/gtb/
Unpacked files
SH256 hash:
b19d067a87767c377a60981192e5edb9256ce11f7d663cdcae2af3d8d0c0c382
MD5 hash:
ce400cfe49777d6039d4b5d7317f44cc
SHA1 hash:
c344b4df93416725a4905549f4140b29aeeffe6e
SH256 hash:
fd2f98bf0102a7a9ca814146b4bfd28def56526a820418ab59dec22364202386
MD5 hash:
604ee9c1025e9a36af88c2ca688b316d
SHA1 hash:
bd37a280f61f53871aa79e675de66cfbabd7c29c
SH256 hash:
25ebc330105af4140bd046e5ce8dd8758336b170e8a938982e7a3ce1200bf6f6
MD5 hash:
4784db0bfcaf9d945d770435fd0b67b9
SHA1 hash:
18c2e760c3f7997078067fc56d8b0e09d0bc0c50
Detections:
win_formbook_g0 win_formbook_auto
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 b19d067a87767c377a60981192e5edb9256ce11f7d663cdcae2af3d8d0c0c382

(this sample)

  
Delivery method
Distributed via web download

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