MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dee9f9c3981971bad83e2d8e0735f699a74dfb1be01da7a7bf8b7dd584a731dc. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dee9f9c3981971bad83e2d8e0735f699a74dfb1be01da7a7bf8b7dd584a731dc
SHA3-384 hash: 0e0703122771ce18ac401b391efd2a00135038f8a4ad8f517abcce94050776b63408a08e887e0c1ef640d96c0b749ce2
SHA1 hash: 56271588e5b2c41c888997cb03ad4fc505f60c1e
MD5 hash: 0657dda4137717c2dc9c4da12cea6b0e
humanhash: five-blue-winter-gee
File name:PO28511059.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:903'680 bytes
First seen:2023-05-02 15:25:50 UTC
Last seen:2023-05-13 22:55:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:NUaQrLlBMvn3vaauNdlddJylHx9eYYwxCLo9YVWWdBwWDO0gOxwr:NUDLkvn3yJPddQeww0YKWDO0
Threatray 2'738 similar samples on MalwareBazaar
TLSH T1D4159EAAB4B950EFFC37C532A2E080474A2C7EE51A51851CF9A77CF90B749149CD27E8
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)
File icon (PE):PE icon
dhash icon 8879f098cae060f2 (15 x AgentTesla, 7 x Formbook, 4 x a310Logger)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
323
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO28511059.exe
Verdict:
Malicious activity
Analysis date:
2023-05-02 15:27:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b5ac5055-db91-4746-aaae-9615b50ef2a4

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/386140/
Detection(s):
Win.Dropper.LokiBot-9916750-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/64512b8a1facab193c671622/reports/70924172-c124-41c0-b147-c72ef03c9b7c/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/dee9f9c3981971bad83e2d8e0735f699a74dfb1be01da7a7bf8b7dd584a731dc
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/64eb8559-4ed4-44e1-9455-122d726130e5
Result
Threat name:
DarkTortilla, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1224821
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected DarkTortilla Crypter
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dee9f9c3981971bad83e2d8e0735f699a74dfb1be01da7a7bf8b7dd584a731dc/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-02 00:49:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=33u7tq4ydfy3vwb6fwhaonpwtgtu36y34ao2pj57rn65lbfhghoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
142f8b22d894f1fee4c501acbc425edec276004d5d30ab7572cdfab85e89ad12
Formbook
1c120ac2bc08fbd5455f3d5a47dd87ce73e40fa4b0f7a3cdb2d41a85c800e603
Formbook
56462c46e025fb1ddfe7793825dbde4130e9db4052b271f21b60069efeba96f6
Formbook
59393e44f0898bff733233dab3423c0a682c583886d87897f3ee184fd0acb3d1
Formbook
a4faadc7e9c3befad66d0e11a0365d0cb642ffdd11fc9170b02b096f658c354e
Formbook
bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd
Formbook
c2dd815bb0c85f84951aba3b5da301cf81004d45bc87a8920464d7938aab7f56
Formbook
cc306bb2d4ff7a9b6a4526abfe0ee05610bc1f34f8c4b96f465c44412558516f
Formbook
f2de7e1866310a43bf34f50a907b7ec8ff5c7b9ae4421c304e26aed008f30850
Formbook
f52d31b838551b1b8c1dedb845115e5aed85decae70cba2596fa43d326b2a920
Formbook
+ 2'728 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:wm23 rat spyware stealer trojan
Link:
https://tria.ge/reports/230502-st6fyabe63/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
dab9e93a41a3ba7c82318ad6e089ca19e4e98c3c000aa5cae3d8353620b9d163
MD5 hash:
8a07b1201027f64e7ee27fa045160eb6
SHA1 hash:
b969ba87ddc0c7c88f986e07b800cdc251e87bb1
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b0b4d7df-8e91-4584-b2d6-7c5ace6db6bc/
Parent samples :
59393e44f0898bff733233dab3423c0a682c583886d87897f3ee184fd0acb3d1
dee9f9c3981971bad83e2d8e0735f699a74dfb1be01da7a7bf8b7dd584a731dc
ba666b362fbf39a28389eacd17bbe764cf1ea11428f381bb2c874e2dbbe5586d
7dc1242cf01a3a2527ab8a7e03c370f556e3d62f4ad2567aa383000bb3448517
813edf2d24ed87e7182a05b6c7ae8acaee063fe5ff270b82d20ed00030caacb6
3fc300b0b16fefb8d0dc08f09803d7dbff6be6ea2a4c87833fb285499a3fc6f0
SH256 hash:
56aaa2b9e53d69dd75c8d1247220d8ea97b1b7705796b2e2ddff34c7eea8adee
MD5 hash:
50f28d178452b2db4e1f466904e55c78
SHA1 hash:
d9a3246a570715d756a6c653b6818afb99ae39ec
Link:
https://www.unpac.me/results/b0b4d7df-8e91-4584-b2d6-7c5ace6db6bc/
SH256 hash:
0781f74db6c9ff7aa0c1e76dd0ebc4a9575fba6caca9aac9fb0131c5a73c84be
MD5 hash:
2c064163cda2f093cf6d20302481dff7
SHA1 hash:
cf948b10d999c369ef51972f86278a4f536d400d
Link:
https://www.unpac.me/results/b0b4d7df-8e91-4584-b2d6-7c5ace6db6bc/
SH256 hash:
611fa395f0a24eeb12232e0337cc7cd41b3ea831e0cb7fa370a4d077170228ab
MD5 hash:
793758530f82b5bffa3285290e6d9383
SHA1 hash:
54d033e31e7420d31bdc97f5e05764e1edcc8141
Link:
https://www.unpac.me/results/b0b4d7df-8e91-4584-b2d6-7c5ace6db6bc/
SH256 hash:
dee9f9c3981971bad83e2d8e0735f699a74dfb1be01da7a7bf8b7dd584a731dc
MD5 hash:
0657dda4137717c2dc9c4da12cea6b0e
SHA1 hash:
56271588e5b2c41c888997cb03ad4fc505f60c1e
Link:
https://www.unpac.me/results/b0b4d7df-8e91-4584-b2d6-7c5ace6db6bc/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dee9f9c39819/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dee9f9c3981971bad83e2d8e0735f699a74dfb1be01da7a7bf8b7dd584a731dc

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe dee9f9c3981971bad83e2d8e0735f699a74dfb1be01da7a7bf8b7dd584a731dc

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/386140/

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