MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3ad8adc8c285a87e6905cb1176c4cb234374ae634d6b3e47dd6392635c11a65. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: f3ad8adc8c285a87e6905cb1176c4cb234374ae634d6b3e47dd6392635c11a65
SHA3-384 hash: cab7e482e77b8169bd6e53cbf469a24bbfb50ae46a2ab714a9816f74cb61f9068817dc462e211488b0cca05c667da145
SHA1 hash: 4d6fc54cdb9dff7873be49dfebf3570f3a38459f
MD5 hash: ddccc848ebc37f337a486eabecad85bb
humanhash: kilo-california-bravo-enemy
File name:ddccc848ebc37f337a486eabecad85bb.exe
Download: download sample
Signature Formbook
File size:914'944 bytes
First seen:2022-12-23 17:44:01 UTC
Last seen:2022-12-23 19:30:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:tXFdELpCybniAU6d5O1AjldvnUn6mH80:xFdELpCybniAU6HbjlK
TLSH T16515060BAA7C9910E6A1E2B10B474ED700A5F70617A5DBC8625FFD32B0E86753724EC7
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)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ddccc848ebc37f337a486eabecad85bb.exe
Verdict:
No threats detected
Analysis date:
2022-12-23 17:46:44 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
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Detected FormBook malware
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
Sigma detected: Steal Google chrome login data
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 772877 Sample: Z43tniEVyF.exe Startdate: 23/12/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Sigma detected: Steal Google chrome login data 2->45 47 8 other signatures 2->47 10 Z43tniEVyF.exe 3 2->10         started        process3 file4 37 C:\Users\user\AppData\...\Z43tniEVyF.exe.log, ASCII 10->37 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 14 Z43tniEVyF.exe 10->14         started        17 Z43tniEVyF.exe 10->17         started        19 Z43tniEVyF.exe 10->19         started        signatures5 process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 21 explorer.exe 14->21 injected process8 process9 23 colorcpl.exe 18 21->23         started        file10 33 C:\Users\user\AppData\...\7P4logrv.ini, data 23->33 dropped 35 C:\Users\user\AppData\...\7P4logri.ini, data 23->35 dropped 49 Detected FormBook malware 23->49 51 Tries to steal Mail credentials (via file / registry access) 23->51 53 Tries to harvest and steal browser information (history, passwords, etc) 23->53 55 3 other signatures 23->55 27 cmd.exe 2 23->27         started        signatures11 process12 file13 39 C:\Users\user\AppData\Local\Temp\DB1, SQLite 27->39 dropped 59 Tries to harvest and steal browser information (history, passwords, etc) 27->59 31 conhost.exe 27->31         started        signatures14 process15
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2022-12-23 10:16:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 39 (48.72%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b47h rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
SH256 hash:
54d781f0dee6692c47390edf1ada295fb17a7e80ed5ccd58ab14c6ddf80a0ad8
MD5 hash:
4f6caebd865502f7c8046fbae3284c61
SHA1 hash:
be357e832bf6f61454875b37a1759cf1c5fa5ca4
SH256 hash:
b2fc86742aa29585e8244862bee4eb49f6e3a1d18ec2e69f92acb8a392173109
MD5 hash:
727729d500df94ebe63e14a6772beb97
SHA1 hash:
8db3c3e568e57dc71f5f8d44adae88f69101ea60
SH256 hash:
4800aba9f51f863ff6571bc76ff8701f3e3d37212c6949064dbfab65efd89e48
MD5 hash:
4518fbf247903332849cd3feb919a7d8
SHA1 hash:
7dc7ea7194d3193e8101d09791603fc21be0233c
SH256 hash:
f3ad8adc8c285a87e6905cb1176c4cb234374ae634d6b3e47dd6392635c11a65
MD5 hash:
ddccc848ebc37f337a486eabecad85bb
SHA1 hash:
4d6fc54cdb9dff7873be49dfebf3570f3a38459f
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 f3ad8adc8c285a87e6905cb1176c4cb234374ae634d6b3e47dd6392635c11a65

(this sample)

  
Delivery method
Distributed via web download

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