MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43. 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: d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43
SHA3-384 hash: 8adcb36d5462c0b792458e57422ddf9aa75b9924d9e7a647781b5ff07f8b16fe66208dff2a6350cf835aed6198b02b36
SHA1 hash: c36c5f8c02206d36bff74e8a8a1c60ad1574c3be
MD5 hash: 13e94978dde17b50efbe7380247f96a0
humanhash: utah-lamp-foxtrot-dakota
File name:INQUIRY.exe
Download: download sample
Signature Formbook
File size:698'368 bytes
First seen:2022-03-08 07:20:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:NTQQIbKA05f32iNFfFNfn8WJKJ6TPbwqTFOQcHHI1cmzcvNja5jEe1hIYoY3H5rt:Nk85f31tRnljJO
Threatray 13'959 similar samples on MalwareBazaar
TLSH T1AFE439AC325472DFC92BD972CA981D64FB607C7B430BC207906725AD9A2D997DF240F2
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ab.exe
Verdict:
Malicious activity
Analysis date:
2022-03-08 03:17:31 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 custom TCP request
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
Antivirus / Scanner detection for submitted sample
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584790 Sample: INQUIRY.exe Startdate: 08/03/2022 Architecture: WINDOWS Score: 100 30 www.timeforus442.rest 2->30 32 timeforus442.rest 2->32 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 8 other signatures 2->48 10 INQUIRY.exe 3 2->10         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\INQUIRY.exe.log, ASCII 10->28 dropped 50 Uses netsh to modify the Windows network and firewall settings 10->50 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 INQUIRY.exe 10->14         started        signatures6 process7 signatures8 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 netsh.exe 14->17         started        20 explorer.exe 14->20 injected process9 signatures10 34 Self deletion via cmd delete 17->34 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 40 Tries to detect virtualization through RDTSC time measurements 17->40 22 cmd.exe 1 17->22         started        24 autochk.exe 20->24         started        process11 process12 26 conhost.exe 22->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-08 02:09:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:sued loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
fd57dbd2b9e3e11a17fe0867bcb2e05c21de8ceb1246a31ac1fa48181de0a554
MD5 hash:
289a0a1a6bd8524c574d06caa2964d26
SHA1 hash:
ecffd2cbef7bbd0ff5cae8096a7168b58e6907ac
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43
MD5 hash:
13e94978dde17b50efbe7380247f96a0
SHA1 hash:
c36c5f8c02206d36bff74e8a8a1c60ad1574c3be
Malware family:
XLoader
Verdict:
Malicious
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 d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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