MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c274255e35e340152ba94463f4b27e0f5f2554062abc27b4ec4d3389545379a. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 3c274255e35e340152ba94463f4b27e0f5f2554062abc27b4ec4d3389545379a
SHA3-384 hash: 158c91ca49467233be59d1cd2f75a9e16208a4c8dcba369cc3458efc2008db08ca6c8dc9decda060e6e34434a8cfc9f7
SHA1 hash: d4ebcdefbec753e3074f81f58f067e8545d5bb95
MD5 hash: 9e59d98eed0bd959f1f5d2ba36e92859
humanhash: mars-michigan-illinois-burger
File name:Inquiry_202108-12.exe
Download: download sample
Signature Formbook
File size:1'405'952 bytes
First seen:2021-08-12 14:24:49 UTC
Last seen:2021-08-12 15:20:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:FSkLO1suaWgV27G0ubgrdCq5/RHAZZS5R09n9Y:FSj1KrV8G7SE3B99
Threatray 7'703 similar samples on MalwareBazaar
TLSH T1D055E43D2AB92227C07AC775CBE18827F0449CAF3521BD99A4D637660372B5675C323E
dhash icon e0f0f0d4f4f092cc (12 x AgentTesla, 3 x Formbook, 3 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
378
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inquiry_202108-12.exe
Verdict:
Malicious activity
Analysis date:
2021-08-12 14:28:18 UTC
Tags:
trojan formbook 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 UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system 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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 464280 Sample: Inquiry_202108-12.exe Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 9 other signatures 2->38 10 Inquiry_202108-12.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\Inquiry_202108-12.exe.log, ASCII 10->28 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 50 Injects a PE file into a foreign processes 10->50 14 Inquiry_202108-12.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.tipsyfetes.com 81.17.18.194, 49730, 80 PLI-ASCH Switzerland 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 explorer.exe 17->21         started        signatures10 process11 signatures12 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-12 14:24:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:kgdh rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.totemosuguremono.online/kgdh/
Unpacked files
SH256 hash:
194c3423b60837d2ace071e4f6dbd9f2f50ac9b73a274da518877d7197ec5291
MD5 hash:
3263bddb7b1fed0201f0449b9283ddc0
SHA1 hash:
e2ca1663a71f5fd501deec14de297a240d0c68ba
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
SH256 hash:
ff5942bad82ed5f5d334e036d53c45864d52a1d4b30e37748634e94b22f080c5
MD5 hash:
e8865a1403b5472c803b6a775ebf5949
SHA1 hash:
48927950e03b45dd0fa16feadf0c9ded0c1027d6
SH256 hash:
3c274255e35e340152ba94463f4b27e0f5f2554062abc27b4ec4d3389545379a
MD5 hash:
9e59d98eed0bd959f1f5d2ba36e92859
SHA1 hash:
d4ebcdefbec753e3074f81f58f067e8545d5bb95
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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.

  
Delivery method
Other

Comments