MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8df17138366295cb6f3769835319d6c5455a3e3de285404119810f7ace82f913. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8df17138366295cb6f3769835319d6c5455a3e3de285404119810f7ace82f913
SHA3-384 hash: 7563e9129f115ce50d41974f67e1c6bee54df3f1d051a50c0aae4f648f6073f0ef0fbd898731e3f88ac96afe0e995f13
SHA1 hash: b764083775551a108b548c4ca50e59f6fa38b621
MD5 hash: e106152ec260db3349f301f0a02d62aa
humanhash: enemy-venus-lion-football
File name:DOC-04102022-58454857453739.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:470'512 bytes
First seen:2022-10-05 10:35:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:mDpTotw2svjqKFC0gVyXsh/q1hiVJH8BYa+:ajqKFCtVy2n18S
Threatray 60 similar samples on MalwareBazaar
TLSH T1B8A41834A1F16AC9E996CEB78E60E509FFE79C829941821ED13439F21233BC4C5495FE
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter madjack_red
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/316849/
Detection(s):
Win.Dropper.LokiBot-9969312-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/633d5e14d089a0c15dd54ff5/reports/0ebbec70-d1d1-435f-aab7-a856adf5e8b7/overview
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/7617e3b9-8aa1-44a2-92e7-83ad03f77c45
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1084031
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 716593 Sample: DOC-04102022-58454857453739.exe Startdate: 05/10/2022 Architecture: WINDOWS Score: 100 33 www.skyepattest.com 2->33 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 5 other signatures 2->43 9 DOC-04102022-58454857453739.exe 1 2->9         started        signatures3 process4 file5 25 C:\...\DOC-04102022-58454857453739.exe.log, CSV 9->25 dropped 53 Writes to foreign memory regions 9->53 55 Allocates memory in foreign processes 9->55 57 Injects a PE file into a foreign processes 9->57 59 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->59 13 RegSvcs.exe 9->13         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 Queues an APC in another process (thread injection) 13->67 16 explorer.exe 13->16 injected process9 dnsIp10 27 www.negerbajs.info 69.57.163.50, 49699, 80 FORTRESSITXUS United States 16->27 29 luregirl.net 167.179.103.237, 49703, 49704, 49705 AS-CHOOPAUS United States 16->29 31 3 other IPs or domains 16->31 35 System process connects to network (likely due to code injection or exploit) 16->35 20 help.exe 13 16->20         started        23 autoconv.exe 16->23         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8df17138366295cb6f3769835319d6c5455a3e3de285404119810f7ace82f913/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2022-10-04 08:07:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rxyxcobwmkk4w3zxngbvggowyvcvupr54kcuaqizqehxvtuc7ejq._file
Verdict:
malicious
Similar samples:
183c29706c0a2dea564942c2f989e25eec5854a8ced14f7c48579857241aee5b
Formbook
2c4c53968b0844bfdedf92c1d22a10987d8e0817e47602c1bc0be74762d88ce2
Formbook
3aa7626c625be28b83463afd05ea7d530d1f88bda8eec08c457b39ab28d68965
Formbook
56e4e634c9dcd2d51f03bcaeaccc3dae511c6709520e81f0745ddb7e30c5e827
Formbook
58bd321dd55e8d0d95a1dc5147329a08c64d91a6567d1ac8b4b7e2f1d5ee8803
Formbook
6bbfa5ab7aa24cf9fe44b50930dc21142387d590c988004fdb0d3b40df3ed1fa
Formbook
8c575aa5e93a77f506411780e84f57617a784605557c36053bc3535306509f03
Formbook
a5e3197260ba1af2869c876321feddcaff9840446e5094d8e881e06732b27454
Formbook
d50091f2f374614a00ae73f14dabf529e887e1729da0903f59a09739f4c37e8d
Formbook
+ 50 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:obc0 rat spyware stealer trojan
Link:
https://tria.ge/reports/221005-mm8ptseah2/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ec88fd8f-1673-4ceb-ade2-9c623e143ddc
Unpacked files
SH256 hash:
a43ea57e5398ba0423836bc92ecbf7926fccac159e0f01a169d9c64f4e657b9b
MD5 hash:
52abae64dc8bae7ac50a3b92d7dc4eb6
SHA1 hash:
a1c9e7c071f03a786bc77e6db8b5457220829aba
Link:
https://www.unpac.me/results/495a9e3f-d677-423e-ab06-f1cded8dbc41/
SH256 hash:
c6b9da5fc27c9c9eedbd80da596dfcb7121803287c5f8dfc0fb11e0165b17458
MD5 hash:
41966a321a2249f18a9a29b8c031bac3
SHA1 hash:
e6eaedd061fa3746915bf553f73c0f6da4280316
Link:
https://www.unpac.me/results/495a9e3f-d677-423e-ab06-f1cded8dbc41/
SH256 hash:
942ee4dfc840614138f7f448729186c68882e73b5d4a31f73b53099f06fb969a
MD5 hash:
0835d5ed0820a082ff6c5cd940a462b9
SHA1 hash:
baed02c55ee4e82d34c5184858298961c3eb4471
Link:
https://www.unpac.me/results/495a9e3f-d677-423e-ab06-f1cded8dbc41/
SH256 hash:
8df17138366295cb6f3769835319d6c5455a3e3de285404119810f7ace82f913
MD5 hash:
e106152ec260db3349f301f0a02d62aa
SHA1 hash:
b764083775551a108b548c4ca50e59f6fa38b621
Link:
https://www.unpac.me/results/495a9e3f-d677-423e-ab06-f1cded8dbc41/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8df171383662/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8df17138366295cb6f3769835319d6c5455a3e3de285404119810f7ace82f913

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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.

Cape
Cape
https://www.capesandbox.com/analysis/316849/

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