MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12d38622f7319731f4ff01c6cd2cd7a9cf458658f6a7438e1d1d1f2a5c2edfe5. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 12d38622f7319731f4ff01c6cd2cd7a9cf458658f6a7438e1d1d1f2a5c2edfe5
SHA3-384 hash: 37c2d5bfc135882e7cd9af73b468b5e636d17d25c360cc0525557d8efb6059abc2ecb6cf7cfea5b8caa0503f1a4947c2
SHA1 hash: dd438988f553c957c7e4694ef819949d89639b10
MD5 hash: 939efc0c0dcf3ad3d05aef7e565a7c32
humanhash: angel-georgia-six-louisiana
File name:939efc0c0dcf3ad3d05aef7e565a7c32.exe
Download: download sample
Signature Formbook
File size:801'792 bytes
First seen:2023-02-13 15:10:38 UTC
Last seen:2023-02-13 16:34:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:TYXpQ57jm9D7+78w9NSZ9XuUtmj8iouMe:A+5Og78wLyxuU8vouM
TLSH T1060522972D0DD777C63DC3F85C1AA8A883B16DA52C32E1552DC73EDF163276240A2A87
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 :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
939efc0c0dcf3ad3d05aef7e565a7c32.exe
Verdict:
Suspicious activity
Analysis date:
2023-02-13 15:23:19 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
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Deletes itself after installation
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 806412 Sample: aaqc4bL65z.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 3 other signatures 2->38 8 aaqc4bL65z.exe 3 2->8         started        process3 file4 22 C:\Users\user\AppData\...\aaqc4bL65z.exe.log, ASCII 8->22 dropped 48 Injects a PE file into a foreign processes 8->48 12 aaqc4bL65z.exe 8->12         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 5 6 12->15 injected process8 dnsIp9 24 www.album0186.online 46.28.106.170, 49703, 49705, 49706 WEDOSCZ Czech Republic 15->24 26 yrandalljohanw.fun 194.180.208.76, 80 PTPEU unknown 15->26 28 3 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 systray.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Deletes itself after installation 19->44 46 2 other signatures 19->46
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2023-02-13 15:11:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
04c51d01e14e81780bb09d209a3df3f41aff538977dc517461f720af1d9f9254
MD5 hash:
ce26a46b76aa08ab5f28d3dd91ae0a11
SHA1 hash:
721dabe74f55ffcee40e4974d152dc85b9c6c98e
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
1681aeaf5497a7c6dfcac31e0f76d8d4532f8bb37a15d9213ea1cb9310e61260
MD5 hash:
f157f8d5bab8c393b3516c1d5fc4790a
SHA1 hash:
74c4578e3b9378d7874f8d81f4712b06a7d18b8b
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
SH256 hash:
b89b0630459805883b365a7a85f6411fc3e26774e0cd5f6d5d5f53548fdaff15
MD5 hash:
5a1fdb34645466a9914899f39c7a1e4b
SHA1 hash:
6687725bcfd171a1732c66b9035f03fd49dd34ae
SH256 hash:
82393751e2fcdddb3de3446f4b1af3d709d537ad8960fb07a01cb658a09ddf23
MD5 hash:
5573fe10070a0e643da98ada2c2c2cef
SHA1 hash:
4c49ac48748d61936840db8ecf4a2b11ed86ec99
SH256 hash:
12d38622f7319731f4ff01c6cd2cd7a9cf458658f6a7438e1d1d1f2a5c2edfe5
MD5 hash:
939efc0c0dcf3ad3d05aef7e565a7c32
SHA1 hash:
dd438988f553c957c7e4694ef819949d89639b10
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 12d38622f7319731f4ff01c6cd2cd7a9cf458658f6a7438e1d1d1f2a5c2edfe5

(this sample)

  
Delivery method
Distributed via web download

Comments