MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04274b027d3bd09ec0d7b58ff5af64aa06e626668995cb5ef6d7fad939bc6c33. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: 04274b027d3bd09ec0d7b58ff5af64aa06e626668995cb5ef6d7fad939bc6c33
SHA3-384 hash: cd37c1f28ad21c51b0bf0c9fd9547c3cb254b7574bf91e2da8973244bf579ff919d741cf017b10921a2daca7c7c3294d
SHA1 hash: f79f58bc3142b59d0d8669595a01770bdf5486ff
MD5 hash: 429bba6dbe159c300679509be3085665
humanhash: illinois-river-cold-table
File name:429bba6dbe159c300679509be3085665.exe
Download: download sample
Signature Formbook
File size:599'552 bytes
First seen:2020-11-20 07:27:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:K29Z0ZfOKYJqFwpzpYTnMS3hrrnplI5GJriD:f9WtZY7wTnT9npu5G0
Threatray 2'989 similar samples on MalwareBazaar
TLSH DAD4129EA3485732D0AE11FB60B141CA02F15163E623EB97BDCCE17E547274DBE2126E
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Verdict:
UNKNOWN
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
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 321100 Sample: oqTdpbN5rF.exe Startdate: 20/11/2020 Architecture: WINDOWS Score: 100 46 www.iqftomatoes.com 2->46 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 4 other signatures 2->66 11 oqTdpbN5rF.exe 1 2->11         started        signatures3 process4 signatures5 76 Writes to foreign memory regions 11->76 78 Maps a DLL or memory area into another process 11->78 14 RegAsm.exe 11->14         started        17 oqTdpbN5rF.exe 1 11->17         started        19 cmd.exe 1 11->19         started        process6 signatures7 80 Modifies the context of a thread in another process (thread injection) 14->80 82 Maps a DLL or memory area into another process 14->82 84 Sample uses process hollowing technique 14->84 86 Queues an APC in another process (thread injection) 14->86 21 explorer.exe 14->21 injected 88 Writes to foreign memory regions 17->88 25 RegAsm.exe 17->25         started        27 cmd.exe 1 17->27         started        90 Tries to detect virtualization through RDTSC time measurements 19->90 29 conhost.exe 19->29         started        31 choice.exe 1 19->31         started        process8 dnsIp9 48 www.bikininbodymommy.com 81.17.18.197, 49758, 80 PLI-ASCH Switzerland 21->48 50 www.buyiprod.com 104.252.192.7, 49766, 80 EGIHOSTINGUS United States 21->50 52 www.camera-kento.com 21->52 68 System process connects to network (likely due to code injection or exploit) 21->68 33 NETSTAT.EXE 21->33         started        36 cmd.exe 21->36         started        70 Modifies the context of a thread in another process (thread injection) 25->70 72 Maps a DLL or memory area into another process 25->72 74 Sample uses process hollowing technique 25->74 38 conhost.exe 27->38         started        40 choice.exe 1 27->40         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 33->54 56 Maps a DLL or memory area into another process 33->56 58 Tries to detect virtualization through RDTSC time measurements 33->58 42 cmd.exe 1 33->42         started        process13 process14 44 conhost.exe 42->44         started       
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2020-11-20 07:28:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
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 UnmapMainImage
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thesiromiel.com/kgw/
Unpacked files
SH256 hash:
e71f5c0f23506103e8d979d9aeda9222e7d7bf46893c4a32acb7cc666f975d72
MD5 hash:
0b7a3279970a356c37b6153aa9fe40cb
SHA1 hash:
c92e6f9a383b1f43fcd2360f49b0fc87b927887c
SH256 hash:
b087a4c845235d514eb24a87f9af3c3f4171050906450d2d185e056caa4ba0f6
MD5 hash:
63ba6b8c7406b7c5af6526977517a7bf
SHA1 hash:
704e4e782aa010d23342b5bff350024a355c88d4
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
04274b027d3bd09ec0d7b58ff5af64aa06e626668995cb5ef6d7fad939bc6c33
MD5 hash:
429bba6dbe159c300679509be3085665
SHA1 hash:
f79f58bc3142b59d0d8669595a01770bdf5486ff
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 04274b027d3bd09ec0d7b58ff5af64aa06e626668995cb5ef6d7fad939bc6c33

(this sample)

  
Delivery method
Distributed via web download

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