MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db9bbd49b5b6cf0d0faa600dbdf08a4a56a3f3a37931c70792911481c4a56b24. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db9bbd49b5b6cf0d0faa600dbdf08a4a56a3f3a37931c70792911481c4a56b24
SHA3-384 hash: 324957dbc8cb7b37f743ce5a096c1695b36d5e2ffd1e72b803cfab54769809d2285ef9af9d9511836643ef145ecc71cc
SHA1 hash: 7ff01be25b5abf2badc6cefa431efec8869540e2
MD5 hash: 35bfa83a5d5db9aa8e9e321873adbbd9
humanhash: lake-finch-crazy-red
File name:SecuriteInfo.com.Win32.PWSX-gen.12039
Download: download sample
Signature Formbook
Create hunting rule
File size:1'197'568 bytes
First seen:2022-09-08 14:57:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:iXMEVV1ZZth/dxv5QQ1HCbk43ZNq51I6tLaogoK7KhOa9RsOVu8PDLU6h:CMAhlDEoqqoVH7KhOu7LJh
TLSH T109453A0235964DA1D07652B8A0CDC4B28BB69E44F23FC5477FC99CEBF582F6446C23A6
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0cc96b3b392ccf0 (8 x Formbook, 4 x SnakeKeylogger, 4 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.12039
Verdict:
Malicious activity
Analysis date:
2022-09-08 15:02:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6efee47b-7e71-4876-b1e6-512332b7082a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/308825/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.12039.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/631a0310e73fb79b7a013a8c/reports/28c67055-3317-487b-968b-c842b13bd661/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/de166443-62ec-486a-bb90-14dedfc522d9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1067261
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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)
Multi AV Scanner detection for submitted file
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:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db9bbd49b5b6cf0d0faa600dbdf08a4a56a3f3a37931c70792911481c4a56b24/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-09-08 10:17:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
17 of 26 (65.38%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3on32snvw3hq2d5kmag334ekjjlkh45dpey4ob4ssekidrffnmsa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o5df rat spyware stealer trojan
Link:
https://tria.ge/reports/220908-sb6nzsehb5/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
d8f509f87fc41258dc81bb9720bdfa51638bf05853919ec3c3f352c39d516919
MD5 hash:
db7de8cdb8b497daba268a0c1617daa6
SHA1 hash:
81ab6e1a15c8ac64602677516c2ec9c86ab1fe80
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/bd1376d9-8f52-418c-8f67-2e3b3171c56d/
Parent samples :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 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/bd1376d9-8f52-418c-8f67-2e3b3171c56d/
SH256 hash:
eb12566f50ff4347b5fab9ee90f2c18d88144700041990fafe216ef9434c7d48
MD5 hash:
1703e6041edd32086c56f496b6fb35c6
SHA1 hash:
4f9e1ed028e8b9e987d00e0ea361d947e503f989
Link:
https://www.unpac.me/results/bd1376d9-8f52-418c-8f67-2e3b3171c56d/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/bd1376d9-8f52-418c-8f67-2e3b3171c56d/
SH256 hash:
a32469be2714a476a8d39976b7af4335017d40ed16f46d177a4002db3381f118
MD5 hash:
cd17f396163d2ae405497f30932fde89
SHA1 hash:
0df70cbeceb9ff36105f3ddbeb011196bd60aabf
Link:
https://www.unpac.me/results/bd1376d9-8f52-418c-8f67-2e3b3171c56d/
SH256 hash:
db9bbd49b5b6cf0d0faa600dbdf08a4a56a3f3a37931c70792911481c4a56b24
MD5 hash:
35bfa83a5d5db9aa8e9e321873adbbd9
SHA1 hash:
7ff01be25b5abf2badc6cefa431efec8869540e2
Link:
https://www.unpac.me/results/bd1376d9-8f52-418c-8f67-2e3b3171c56d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/db9bbd49b5b6cf0d0faa600dbdf08a4a56a3f3a37931c70792911481c4a56b24

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/308825/

Comments