MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6949143d3bb389297656ca8ecfc3deaf9b1c033c893e24edfff781a5c65392a. 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 2 File information Comments

SHA256 hash: f6949143d3bb389297656ca8ecfc3deaf9b1c033c893e24edfff781a5c65392a
SHA3-384 hash: c227d3f36ce292bddcc5a8ed1470a063ffe803087a359f270944721e5fc8d35a8e46a5e2bab05630fd81e049429f18fa
SHA1 hash: 41751942bda1c085ad1123c99eee570235d4cf54
MD5 hash: d59ff2879612a966c6da782e47110366
humanhash: king-washington-four-item
File name:INQUIRY. ZIP.exe
Download: download sample
Signature Formbook
File size:1'043'456 bytes
First seen:2021-06-10 09:15:29 UTC
Last seen:2021-06-10 09:40:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:1Yyt1QAgJLNeBUdtzGhVtZpZ2j7S/2x3d83:tt1QAgJLwBUSh1pZL/W3K
Threatray 1'809 similar samples on MalwareBazaar
TLSH AA25BE9133889946E0BB2B75486E901057F4B84BC321C70D3EA2765E5FF378252AFB5B
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INQUIRY. ZIP.exe
Verdict:
Malicious activity
Analysis date:
2021-06-10 09:26:38 UTC
Tags:
n/a

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
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
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
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 432447 Sample: INQUIRY. ZIP.exe Startdate: 10/06/2021 Architecture: WINDOWS Score: 100 39 www.rozamail.com 2->39 41 www.manismas.com 2->41 43 2 other IPs or domains 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 10 other signatures 2->57 11 INQUIRY. ZIP.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\...\tmp2DEE.tmp, XML 11->33 dropped 35 C:\Users\user\...\INQUIRY. ZIP.exe.log, ASCII 11->35 dropped 37 C:\Users\user\AppData\...\jekqYwbZdZu.exe, PE32 11->37 dropped 67 Injects a PE file into a foreign processes 11->67 15 INQUIRY. ZIP.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 krispykremesweetpeek.com 50.87.190.227, 49739, 80 UNIFIEDLAYER-AS-1US United States 20->45 47 www.lookitlook.com 20->47 49 3 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 wscript.exe 20->26         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2021-06-10 09:12:07 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.jzmbgjj.com/j7e/
Unpacked files
SH256 hash:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
SH256 hash:
f6949143d3bb389297656ca8ecfc3deaf9b1c033c893e24edfff781a5c65392a
MD5 hash:
d59ff2879612a966c6da782e47110366
SHA1 hash:
41751942bda1c085ad1123c99eee570235d4cf54
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 f6949143d3bb389297656ca8ecfc3deaf9b1c033c893e24edfff781a5c65392a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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