MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89bf15eae14f60d6acc308cead31f09459947626b9839bbbddbf76f00821fe3b. 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: 89bf15eae14f60d6acc308cead31f09459947626b9839bbbddbf76f00821fe3b
SHA3-384 hash: 93a67c7d1ceee05bf5ce2c87f06fc249086db1c3978fdc72f8897bd937f684293cc15eece1a91ea0cda1857e3b025cdd
SHA1 hash: 45cf195e6552756a031d14e4047815eec8bd4031
MD5 hash: 0b1bfecfd5a423cbcc34361cbacd7164
humanhash: speaker-fruit-may-arizona
File name:0b1bfecfd5a423cbcc34361cbacd7164.exe
Download: download sample
Signature Formbook
File size:671'744 bytes
First seen:2020-10-06 07:27:30 UTC
Last seen:2020-10-06 11:04:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:nv2s79U0m6nkk2lYXL4t0aRumm4Rlm6aQNR204RHii7m7A+dXUe:nthUAd374OauwRlFaMihii7ms+Ke
Threatray 2'350 similar samples on MalwareBazaar
TLSH 71E4F1496B540B79FBFFDBF1A478826D8F33C686519A179E3698E4F188873ED84042D0
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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 dnsIp2 2 Behavior Graph ID: 293711 Sample: LWK4Gf2grg.exe Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 48 www.theracingplace.com 2->48 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 4 other signatures 2->62 11 LWK4Gf2grg.exe 1 2->11         started        signatures3 process4 signatures5 78 Writes to foreign memory regions 11->78 80 Maps a DLL or memory area into another process 11->80 14 RegAsm.exe 11->14         started        17 LWK4Gf2grg.exe 1 11->17         started        19 RegAsm.exe 11->19         started        21 cmd.exe 1 11->21         started        process6 signatures7 82 Modifies the context of a thread in another process (thread injection) 14->82 84 Maps a DLL or memory area into another process 14->84 86 Sample uses process hollowing technique 14->86 88 Queues an APC in another process (thread injection) 14->88 23 explorer.exe 14->23 injected 90 Writes to foreign memory regions 17->90 27 RegAsm.exe 17->27         started        29 cmd.exe 1 17->29         started        92 Tries to detect virtualization through RDTSC time measurements 19->92 31 conhost.exe 21->31         started        33 choice.exe 1 21->33         started        process8 dnsIp9 50 www.schcman.com 104.161.82.235, 49754, 80 IOFLOODUS United States 23->50 52 fondflowers.net 34.102.136.180, 49767, 80 GOOGLEUS United States 23->52 54 www.fondflowers.net 23->54 70 System process connects to network (likely due to code injection or exploit) 23->70 35 msiexec.exe 23->35         started        38 msiexec.exe 23->38         started        72 Modifies the context of a thread in another process (thread injection) 27->72 74 Maps a DLL or memory area into another process 27->74 76 Sample uses process hollowing technique 27->76 40 conhost.exe 29->40         started        42 choice.exe 1 29->42         started        signatures10 process11 signatures12 64 Modifies the context of a thread in another process (thread injection) 35->64 66 Maps a DLL or memory area into another process 35->66 68 Tries to detect virtualization through RDTSC time measurements 35->68 44 cmd.exe 1 35->44         started        process13 process14 46 conhost.exe 44->46         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-10-06 05:10:07 UTC
AV detection:
24 of 28 (85.71%)
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
Gathers network information
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.kelitastudio.com/gtb/
Unpacked files
SH256 hash:
89bf15eae14f60d6acc308cead31f09459947626b9839bbbddbf76f00821fe3b
MD5 hash:
0b1bfecfd5a423cbcc34361cbacd7164
SHA1 hash:
45cf195e6552756a031d14e4047815eec8bd4031
SH256 hash:
9377be3854843d5462c29bb29761db11ae24667c59152276b84a67702ac473fe
MD5 hash:
fb133c7db5957d90171404addff53d76
SHA1 hash:
b107558aa22ea851117e22de4a429e40918ec180
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 89bf15eae14f60d6acc308cead31f09459947626b9839bbbddbf76f00821fe3b

(this sample)

  
Delivery method
Distributed via web download

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