MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 204c067d41b8b87286959a3a533e64f75a89d87d23e3c7d19c011cd1f6ba116c. 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 2 File information Comments

SHA256 hash: 204c067d41b8b87286959a3a533e64f75a89d87d23e3c7d19c011cd1f6ba116c
SHA3-384 hash: 603213d88da97312bc277a2cc5f4a58ccafd6889ccc7d682bf8f7eacd137495e0f677dc250693d6d012e59ce8aeec12c
SHA1 hash: 4ea40b76e92ed4db859c26b266a784e7ba6c0350
MD5 hash: 344a629f844b8da8b7b9ba099f91dcfe
humanhash: ceiling-fourteen-nuts-idaho
File name:344a629f844b8da8b7b9ba099f91dcfe.exe
Download: download sample
Signature Formbook
File size:884'736 bytes
First seen:2022-11-03 20:14:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:TEvOSwkouHH1JPQn6EsVsluYJB6wVvCtNngkFNi91MY9Mx0RWoiw29GfSPt:TTSwju1elsEB7CbO8O4GUt
TLSH T1DA15E50399158B82E07883B8BE530F6C1F1A7E0DA5D2B6EF04671D8B3A357714D8E56E
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 5957696953730d51 (1 x SnakeKeylogger, 1 x Formbook, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
344a629f844b8da8b7b9ba099f91dcfe.exe
Verdict:
Malicious activity
Analysis date:
2022-11-03 20:16:08 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 737458 Sample: 5MV4f3TmGh.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for domain / URL 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 8 other signatures 2->38 10 5MV4f3TmGh.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\5MV4f3TmGh.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 5MV4f3TmGh.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.snrprintz.net 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 cmstp.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.Olock
Status:
Malicious
First seen:
2022-11-03 20:15:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
10 of 40 (25.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ey84 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6679112d5c2738aa02e989a26d2428e0aa33553a2fc68aa7d517460ef06cc339
MD5 hash:
ee778d70de97a37dc0a18c5ae378ff00
SHA1 hash:
7903673aa769a2c77b57daaa2565d4dcbf6de3f2
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
ff3eade0bef75277655345512cebf4b0a304b020ceee0ae87cb93b76136e1bc5
MD5 hash:
de2c8e291e9057cf6bb255a9222b8859
SHA1 hash:
3a0f3d81497f9e30382de52b1e731123b8d20732
SH256 hash:
8354a7ad0499febdd288542828ad0355dcb7054c0c518266208e571c5122b0c6
MD5 hash:
6bfc7ce9ec7891d9d8494454332099b5
SHA1 hash:
34fc8cebba035e2cc6d27d636f9655949080bf8e
SH256 hash:
204c067d41b8b87286959a3a533e64f75a89d87d23e3c7d19c011cd1f6ba116c
MD5 hash:
344a629f844b8da8b7b9ba099f91dcfe
SHA1 hash:
4ea40b76e92ed4db859c26b266a784e7ba6c0350
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.

Web download

Formbook

Executable exe 204c067d41b8b87286959a3a533e64f75a89d87d23e3c7d19c011cd1f6ba116c

(this sample)

  
Delivery method
Distributed via web download

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