MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4436a15a442d5e5a2839124743cd91974230a8ce3fc55ebaa00ff66b8370493e. 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: 4436a15a442d5e5a2839124743cd91974230a8ce3fc55ebaa00ff66b8370493e
SHA3-384 hash: 57fe13158460e1ee77637939decce9f9e9ad6cd9f0eff4690dc679e4bdc689bf6fe7a78799d89374ffdf8a793512a654
SHA1 hash: 1a70cd45ca69a513194719b3ee7117f4046b5fac
MD5 hash: 6494ab6f47d58bffd00600fc34cba856
humanhash: two-social-artist-queen
File name:6494ab6f47d58bffd00600fc34cba856.exe
Download: download sample
Signature Formbook
File size:780'800 bytes
First seen:2023-02-02 12:15:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:2tz8L6gu+xMRSR5S/vOT9UbC1AU/4JgBwpVrk4cqEaB640iOM7P3qG4yPa:/LzyRU5kWhUbC3AJgSpqHalFzrqG4yPa
TLSH T1E0F49D8377B1A872F6CB10A5142837CD2FE0B103BE95E257AB7B79C0A7059FB7698141
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 :
1
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6494ab6f47d58bffd00600fc34cba856.exe
Verdict:
Malicious activity
Analysis date:
2023-02-02 12:17:13 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 custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
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
Antivirus detection for URL or domain
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
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 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 dnsIp2 2 Behavior Graph ID: 796977 Sample: oFve7bJ1kp.exe Startdate: 02/02/2023 Architecture: WINDOWS Score: 100 29 www.album0186.online 2->29 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 4 other signatures 2->39 9 oFve7bJ1kp.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\oFve7bJ1kp.exe.log, ASCII 9->23 dropped 49 Injects a PE file into a foreign processes 9->49 13 oFve7bJ1kp.exe 9->13         started        signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 4 6 13->16 injected process9 dnsIp10 25 www.album0186.online 46.28.106.170, 80 WEDOSCZ Czech Republic 16->25 27 www.aviator238.cyou 172.67.174.131, 49698, 80 CLOUDFLARENETUS United States 16->27 31 System process connects to network (likely due to code injection or exploit) 16->31 20 explorer.exe 13 16->20         started        signatures11 process12 signatures13 41 Tries to steal Mail credentials (via file / registry access) 20->41 43 Tries to harvest and steal browser information (history, passwords, etc) 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-02 12:16:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
SH256 hash:
3c4697c4da7d596b320fce125450b7e8fd0b92d672b5d8d7ef4d3a03ab228444
MD5 hash:
e823ec3f876b4bd8fa6e3819a1a96c95
SHA1 hash:
a386e0e2cea32a962fcf7a52ba5bf55b2fc7b897
SH256 hash:
b397510566991895f0f955b6feb946f5a1e7ac997a43d8df6601308e03b556de
MD5 hash:
ac77f20d5a4e49cfb907627588ec4e22
SHA1 hash:
9c689e0dbbd433aad0513df59d6195aee64f81ef
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
4436a15a442d5e5a2839124743cd91974230a8ce3fc55ebaa00ff66b8370493e
MD5 hash:
6494ab6f47d58bffd00600fc34cba856
SHA1 hash:
1a70cd45ca69a513194719b3ee7117f4046b5fac
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 4436a15a442d5e5a2839124743cd91974230a8ce3fc55ebaa00ff66b8370493e

(this sample)

  
Delivery method
Distributed via web download

Comments