MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fc300b0b16fefb8d0dc08f09803d7dbff6be6ea2a4c87833fb285499a3fc6f0. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3fc300b0b16fefb8d0dc08f09803d7dbff6be6ea2a4c87833fb285499a3fc6f0
SHA3-384 hash: 0e2086daf9809b2a021a5fad6b04262429ee4da0efa28c76cbca953f6e8fcf0409a527b457c74115b53bf892726668cd
SHA1 hash: e166cebfa0fb6e9e04f64f2f61dca71b49ef9e44
MD5 hash: b7dc4b65e6239c0d20bcb4b59f5c644c
humanhash: sierra-india-wyoming-spring
File name:PO610008532.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:2'057'216 bytes
First seen:2023-05-16 10:21:28 UTC
Last seen:2023-05-18 23:47:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:D/cOS13ZjYXegrTuXXlC+pEXdOMnmfVWWd8wWDOZQgOxwr:afPWDOZQ
Threatray 3'329 similar samples on MalwareBazaar
TLSH T16695563211DB1CDAE162BD76A7C0B12ACF5DFE7F063FA4A55491679A913F880CD40A32
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
237
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO610008532.exe
Verdict:
Malicious activity
Analysis date:
2023-05-16 10:23:53 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/d721ecee-173d-4db6-a971-98e03e3bf6a3

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/390368/
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 the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6463594bf8664fd7d8d9c787/reports/b0d916d1-9b3c-40ef-a0b8-2a498b90f3a6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3fc300b0b16fefb8d0dc08f09803d7dbff6be6ea2a4c87833fb285499a3fc6f0
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/a7a442fd-8129-4ca8-b4d5-ebb13866ed3b
Result
Threat name:
DarkTortilla, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1234360
Signature
.NET source code contains very large array initializations
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/3fc300b0b16fefb8d0dc08f09803d7dbff6be6ea2a4c87833fb285499a3fc6f0/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2023-05-16 03:24:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h7bqbmfrn7x3rug4bdyjqa6x3p7wxzxkfjgipaz7wkcutgr7y3ya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
229acb9011d2cf600c9112b5f7d19cba56d9bf5ecc20880a6c760e10f685b244
Formbook
6a57e513b61e8a308a00109c55555b710dcaa64629a25982ddcf3c4433fed248
Formbook
8bc4f4ce5d6c39ec058db68d3f76ea4c1b6d1cd973534dc2e4f624d17d52f904
Formbook
90f8a6e23c16788ef3a7adee0b9b9a03cede0905367d71a8be46d3dc24b7b759
Formbook
9109abb56656edc911dedea5b9453aab1b47f79567ee48cc825358751f91abea
Formbook
93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e
Formbook
a2ef1bc9c883689ffa4c58c3f51b08aae0b09241be1ed6aeb854ef6f56d097dc
Formbook
bf03cd8e5554ec62c98931069f436ec71ac21d57a8922b1bb3c1958a0a9256f3
Formbook
+ 3'319 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/230516-md8y8sah6t/
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/b4607719-a7ef-46f7-98b2-58c921bf2f94/
Parent samples :
59393e44f0898bff733233dab3423c0a682c583886d87897f3ee184fd0acb3d1
dee9f9c3981971bad83e2d8e0735f699a74dfb1be01da7a7bf8b7dd584a731dc
ba666b362fbf39a28389eacd17bbe764cf1ea11428f381bb2c874e2dbbe5586d
7dc1242cf01a3a2527ab8a7e03c370f556e3d62f4ad2567aa383000bb3448517
813edf2d24ed87e7182a05b6c7ae8acaee063fe5ff270b82d20ed00030caacb6
3fc300b0b16fefb8d0dc08f09803d7dbff6be6ea2a4c87833fb285499a3fc6f0
SH256 hash:
19678290d72f5d59fc0cfeeee4adf955c32660f8569d35177d285474201d1647
MD5 hash:
7f87a2256cdd4ba5620939ba433eb720
SHA1 hash:
f55251c4f15235e6ef129c78673660efd3bc5f4e
Link:
https://www.unpac.me/results/b4607719-a7ef-46f7-98b2-58c921bf2f94/
SH256 hash:
56aaa2b9e53d69dd75c8d1247220d8ea97b1b7705796b2e2ddff34c7eea8adee
MD5 hash:
50f28d178452b2db4e1f466904e55c78
SHA1 hash:
d9a3246a570715d756a6c653b6818afb99ae39ec
Link:
https://www.unpac.me/results/b4607719-a7ef-46f7-98b2-58c921bf2f94/
SH256 hash:
0781f74db6c9ff7aa0c1e76dd0ebc4a9575fba6caca9aac9fb0131c5a73c84be
MD5 hash:
2c064163cda2f093cf6d20302481dff7
SHA1 hash:
cf948b10d999c369ef51972f86278a4f536d400d
Link:
https://www.unpac.me/results/b4607719-a7ef-46f7-98b2-58c921bf2f94/
SH256 hash:
3fc300b0b16fefb8d0dc08f09803d7dbff6be6ea2a4c87833fb285499a3fc6f0
MD5 hash:
b7dc4b65e6239c0d20bcb4b59f5c644c
SHA1 hash:
e166cebfa0fb6e9e04f64f2f61dca71b49ef9e44
Link:
https://www.unpac.me/results/b4607719-a7ef-46f7-98b2-58c921bf2f94/
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
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/390368/

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