MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d346f44b099d0aa4226f6a6340e660e003d5293ee68c4d4fe38b301754c271fb. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: d346f44b099d0aa4226f6a6340e660e003d5293ee68c4d4fe38b301754c271fb
SHA3-384 hash: e36b45c92c3c440eda1bbfc53865b86b2ad22f804599765f0e405765b3618b57b761b5e6bd6a91e9373f91c076331e34
SHA1 hash: b84298118dc2bc1018c6e28d305bbbc05e290242
MD5 hash: 42eff0c99f1958d55601dd9a74cd8d74
humanhash: bacon-illinois-oven-georgia
File name:42eff0c99f1958d55601dd9a74cd8d74.exe
Download: download sample
Signature Formbook
File size:352'256 bytes
First seen:2023-04-03 12:42:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:roOkslvBbpfrk74RHJ/Yy9aup7dfSNWIjBG6dkEr9N:4ibZkURHJwy9aAx6BGoh
Threatray 1'169 similar samples on MalwareBazaar
TLSH T1ED745C416FE88177E5EF1BB7747203008BB5F58AA18AE34E89DA14F90C73B045D19A7B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon c2a8b49a9ada9690 (3 x Formbook, 3 x ACRStealer, 1 x PureCrypter)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PSC_ A-230331.xls
Verdict:
Malicious activity
Analysis date:
2023-04-03 11:31:24 UTC
Tags:
exploit cve-2017-11882 opendir loader formbook xloader

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

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
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
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 840191 Sample: zbvDwiBHsM.exe Startdate: 03/04/2023 Architecture: WINDOWS Score: 100 38 www.aspiresoothe.com 2->38 40 aspiresoothe.com 2->40 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 6 other signatures 2->62 11 zbvDwiBHsM.exe 15 7 2->11         started        signatures3 process4 dnsIp5 46 192.227.183.170, 49682, 80 AS-COLOCROSSINGUS United States 11->46 34 C:\Users\user\AppData\...\zbvDwiBHsM.exe.log, ASCII 11->34 dropped 36 C:\Users\user\AppData\...\Iuxzogpifiq.exe, PE32 11->36 dropped 72 Creates an undocumented autostart registry key 11->72 74 Encrypted powershell cmdline option found 11->74 76 Writes to foreign memory regions 11->76 78 2 other signatures 11->78 16 MSBuild.exe 11->16         started        19 powershell.exe 16 11->19         started        file6 signatures7 process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 16->48 50 Maps a DLL or memory area into another process 16->50 52 Sample uses process hollowing technique 16->52 54 2 other signatures 16->54 21 explorer.exe 2 1 16->21 injected 25 conhost.exe 19->25         started        process10 dnsIp11 42 www.cyrexinc.com 21->42 44 cyrexinc.com 34.102.136.180, 49732, 80 GOOGLEUS United States 21->44 64 System process connects to network (likely due to code injection or exploit) 21->64 27 msdt.exe 21->27         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 27->66 68 Maps a DLL or memory area into another process 27->68 70 Tries to detect virtualization through RDTSC time measurements 27->70 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2023-04-03 12:43:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:my28 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
d346f44b099d0aa4226f6a6340e660e003d5293ee68c4d4fe38b301754c271fb
MD5 hash:
42eff0c99f1958d55601dd9a74cd8d74
SHA1 hash:
b84298118dc2bc1018c6e28d305bbbc05e290242
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
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information


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

Web download

Formbook

Executable exe d346f44b099d0aa4226f6a6340e660e003d5293ee68c4d4fe38b301754c271fb

(this sample)

  
Delivery method
Distributed via web download

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