MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8666919a6c0b0471716c102acbdd37f7c5f2f95d944b7f5258717875e7cd7d64. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 8666919a6c0b0471716c102acbdd37f7c5f2f95d944b7f5258717875e7cd7d64
SHA3-384 hash: 9822c3baa8f16fd7dbd5ed9fd5eba66fc045d2ecf68a252f67b90caee6ef8678c234df85cb266c60eda4af92776030ca
SHA1 hash: 79ce9f9958e87dd2d0c15928fb8da14fea63e878
MD5 hash: 1319f948136becd11509a1eb78ca4fe8
humanhash: wolfram-washington-idaho-blossom
File name:Inquiry.exe
Download: download sample
Signature Formbook
File size:1'018'368 bytes
First seen:2022-10-23 12:20:32 UTC
Last seen:2022-10-23 13:01:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:ArbZxqM4Lzd62iNNfEu2M6usTONO3tMSJnsUXFkIKTPcd5HykPfZZkHdM9rC:AnqMWI1EM6lASJs8FN+0dg2P62
Threatray 16'387 similar samples on MalwareBazaar
TLSH T1D8256BB626C50517E4197A769083E1F326FBAE406442E2C365C75F6FBC852FB861338B
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Inquiry.exe
Verdict:
Malicious activity
Analysis date:
2022-10-23 12:25:33 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
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
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 728511 Sample: Inquiry.exe Startdate: 23/10/2022 Architecture: WINDOWS Score: 100 66 Malicious sample detected (through community Yara rule) 2->66 68 Sigma detected: Scheduled temp file as task from temp location 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 6 other signatures 2->72 10 Inquiry.exe 7 2->10         started        14 qKTLulZm.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\Roaming\qKTLulZm.exe, PE32 10->46 dropped 48 C:\Users\...\qKTLulZm.exe:Zone.Identifier, ASCII 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmp8F47.tmp, XML 10->50 dropped 52 C:\Users\user\AppData\...\Inquiry.exe.log, ASCII 10->52 dropped 80 Uses schtasks.exe or at.exe to add and modify task schedules 10->80 82 Adds a directory exclusion to Windows Defender 10->82 84 Tries to detect virtualization through RDTSC time measurements 10->84 16 Inquiry.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        86 Multi AV Scanner detection for dropped file 14->86 88 Machine Learning detection for dropped file 14->88 90 Injects a PE file into a foreign processes 14->90 23 qKTLulZm.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 16->58 60 Maps a DLL or memory area into another process 16->60 62 Sample uses process hollowing technique 16->62 64 Queues an APC in another process (thread injection) 16->64 27 explorer.exe 16->27 injected 31 explorer.exe 16->31         started        33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 25->37         started        process8 dnsIp9 54 www.thepolicyjacket.info 27->54 56 thepolicyjacket.info 34.102.136.180, 49695, 80 GOOGLEUS United States 27->56 92 System process connects to network (likely due to code injection or exploit) 27->92 39 cmmon32.exe 27->39         started        94 Tries to detect virtualization through RDTSC time measurements 31->94 signatures10 process11 signatures12 74 Modifies the context of a thread in another process (thread injection) 39->74 76 Maps a DLL or memory area into another process 39->76 78 Tries to detect virtualization through RDTSC time measurements 39->78 42 cmd.exe 1 39->42         started        process13 process14 44 conhost.exe 42->44         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-22 02:35:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oi05 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b13398f344cf3dd0b6fe84d88c660632fb920b5372ae3c6589ee066943701ce2
MD5 hash:
4545769ce5c787ac0bbe1d83ac5f41ac
SHA1 hash:
9bbdb83fcc1e3a6b87155001a7ab2188a9518111
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
161903f7d5633a0cdc5d416c229e1af16ad3f5a6d11dbe8d500aa9151a273f62
MD5 hash:
b460e7cd67e88a80f0b65f65d28b1c4c
SHA1 hash:
fef017687483cf2b5b9d5f8061b6f0645fdcf779
SH256 hash:
cb7614e31652e210cfd7b288d5d35a8710dc795e98d9172d04dfa524356d53c8
MD5 hash:
7505f8049e7cd2e54b52844c91bb3497
SHA1 hash:
943b4fcabf2ba36531681f795f7d3796d39effc1
SH256 hash:
b1262d2466dcc95aa99c76bad6a2508935c81ec0de92adeafb588261fa0ee4c5
MD5 hash:
54ed34db45e6c947767dbe6505f27449
SHA1 hash:
33312565e257afef695ba38f70222f9ed4e62f96
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
SH256 hash:
8666919a6c0b0471716c102acbdd37f7c5f2f95d944b7f5258717875e7cd7d64
MD5 hash:
1319f948136becd11509a1eb78ca4fe8
SHA1 hash:
79ce9f9958e87dd2d0c15928fb8da14fea63e878
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 8666919a6c0b0471716c102acbdd37f7c5f2f95d944b7f5258717875e7cd7d64

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments