MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b
SHA3-384 hash: 27c50bd4ed2df32adfc7833b1bb21ca7a542f432119d976e1d8cfa779cd59d43d39ebf73a4def5ca3cfa174051011779
SHA1 hash: db802611ad8a645d12a609f596d152c2ea5d0d52
MD5 hash: 2b3c4a317d8fc64ca9991aec36624e6d
humanhash: berlin-chicken-seventeen-fruit
File name:2b3c4a317d8fc64ca9991aec36624e6d.exe
Download: download sample
Signature Formbook
File size:762'880 bytes
First seen:2020-10-02 09:46:49 UTC
Last seen:Never
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:k0QQSy3frualbxbrBsbkqgkEKjzH4tvF89:RSyrskJuc9
Threatray 2'343 similar samples on MalwareBazaar
TLSH C1F4E16837785A54DF9A4A3822238614273C111EABBFCF5D35AB6C5CE8D23D30E5139B
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
112
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
Forced shutdown of a system process
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
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: 292508 Sample: dihOaeEonG.exe Startdate: 02/10/2020 Architecture: WINDOWS Score: 100 46 www.kbsvipbags.com 2->46 48 kbsvipbags.com 2->48 50 cdn.onenote.net 2->50 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 3 other signatures 2->70 11 dihOaeEonG.exe 1 2->11         started        signatures3 process4 signatures5 80 Writes to foreign memory regions 11->80 82 Maps a DLL or memory area into another process 11->82 14 RegAsm.exe 11->14         started        17 dihOaeEonG.exe 1 11->17         started        19 cmd.exe 1 11->19         started        process6 signatures7 84 Modifies the context of a thread in another process (thread injection) 14->84 86 Maps a DLL or memory area into another process 14->86 88 Sample uses process hollowing technique 14->88 92 2 other signatures 14->92 21 explorer.exe 14->21 injected 90 Writes to foreign memory regions 17->90 25 RegAsm.exe 17->25         started        27 cmd.exe 1 17->27         started        29 conhost.exe 19->29         started        31 choice.exe 1 19->31         started        process8 dnsIp9 52 kelitastudio.com 160.153.136.3, 49762, 80 GODADDY-AMSDE United States 21->52 54 sandynoses.com 92.249.45.7, 49761, 80 AS-HOSTINGERLT Germany 21->54 56 3 other IPs or domains 21->56 72 System process connects to network (likely due to code injection or exploit) 21->72 33 wlanext.exe 21->33         started        36 explorer.exe 21->36         started        74 Modifies the context of a thread in another process (thread injection) 25->74 76 Maps a DLL or memory area into another process 25->76 78 Sample uses process hollowing technique 25->78 38 conhost.exe 27->38         started        40 choice.exe 1 27->40         started        signatures10 process11 signatures12 58 Modifies the context of a thread in another process (thread injection) 33->58 60 Maps a DLL or memory area into another process 33->60 62 Tries to detect virtualization through RDTSC time measurements 33->62 42 cmd.exe 1 33->42         started        process13 process14 44 conhost.exe 42->44         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-10-01 17:11:09 UTC
AV detection:
22 of 29 (75.86%)
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:
82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b
MD5 hash:
2b3c4a317d8fc64ca9991aec36624e6d
SHA1 hash:
db802611ad8a645d12a609f596d152c2ea5d0d52
SH256 hash:
cfa9690e433350e0468b41115e80eb47ba94acba7cee84f7894dc95d7c4ae25c
MD5 hash:
a9bf82da3feb920448d3abb0f68fcd41
SHA1 hash:
23679c7c82fc6327aabc40e9aa65cbc32ce09fd2
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 82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b

(this sample)

  
Delivery method
Distributed via web download

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