MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac436d556a1bde5ea6481bea8ca29bcc235a30b1dc62606eedf9b055d15993b9. 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


Stop


Vendor detections: 15


Intelligence 15 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac436d556a1bde5ea6481bea8ca29bcc235a30b1dc62606eedf9b055d15993b9
SHA3-384 hash: 69cf73b00dbba8bf7b632ad687f701f17b8bd5911b74928a0515b445081b9e7a4a9a3a07d554fe8068ec1d31309fd39e
SHA1 hash: 74fc4bad455cda23cfe3aacdd797a97e02a17c13
MD5 hash: abe5f002d6dd180bbf8948160e5416fe
humanhash: chicken-iowa-fix-georgia
File name:abe5f002d6dd180bbf8948160e5416fe.exe
Download: download sample
Signature Stop
Create hunting rule
File size:884'224 bytes
First seen:2022-01-04 17:50:46 UTC
Last seen:2022-01-04 20:07:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3001974fc8fe0a606cb8b84bb091838e (1 x Stop)
ssdeep 12288:+NaxN+f8P5Z6QbVLNDMhaeYeNUbXuBAHDlBoPj7M5srSz+7h/igFK+ktHN9dK36:+wxEf8hsOdNxeRqeaDlUrA+9BktH7K
Threatray 826 similar samples on MalwareBazaar
TLSH T1BF15F110BBA0C039F5B711F849759768B53F7EA19B2464CB53D92AED6A346E0EC3070B
File icon (PE):PE icon
dhash icon e0e8e8e8aa66a499 (32 x RaccoonStealer, 23 x RedLineStealer, 14 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://116.202.186.120/

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://116.202.186.120/ https://threatfox.abuse.ch/ioc/290704/

Intelligence

File Origin
# of uploads :
2
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
abe5f002d6dd180bbf8948160e5416fe.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-04 17:56:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7fafaf29-11e4-4647-9da3-a0cf83d5117b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/217302/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.31836.9860.21839.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61d4890a92bdc4b4077e6ec7/reports/55395439-d20f-46f5-9e68-25211268cbc9/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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/342b0915-ccf3-490d-848b-d59648e6c900
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/915395
Signature
Contains functionality to inject code into remote processes
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 547873 Sample: tiHbAWqCSF.exe Startdate: 04/01/2022 Architecture: WINDOWS Score: 92 56 Multi AV Scanner detection for submitted file 2->56 58 Found ransom note / readme 2->58 60 Yara detected Djvu Ransomware 2->60 62 Machine Learning detection for sample 2->62 8 tiHbAWqCSF.exe 2->8         started        11 tiHbAWqCSF.exe 2->11         started        13 tiHbAWqCSF.exe 2->13         started        15 tiHbAWqCSF.exe 2->15         started        process3 signatures4 66 Injects a PE file into a foreign processes 8->66 17 tiHbAWqCSF.exe 1 19 8->17         started        68 Contains functionality to inject code into remote processes 11->68 22 tiHbAWqCSF.exe 1 17 11->22         started        70 Multi AV Scanner detection for dropped file 13->70 72 Machine Learning detection for dropped file 13->72 24 tiHbAWqCSF.exe 13 13->24         started        26 tiHbAWqCSF.exe 13 15->26         started        process5 dnsIp6 48 tzgl.org 211.171.233.126, 49771, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\tiHbAWqCSF.exe.miia (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\tiHbAWqCSF.exe, MS-DOS 17->40 dropped 46 3 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 77.123.139.190, 443, 49752, 49760 VOLIA-ASUA Ukraine 22->50 52 192.168.2.1 unknown unknown 22->52 42 C:\Users\user\AppData\...\tiHbAWqCSF.exe, PE32 22->42 dropped 44 C:\Users\...\tiHbAWqCSF.exe:Zone.Identifier, ASCII 22->44 dropped 28 tiHbAWqCSF.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 74 Injects a PE file into a foreign processes 28->74 33 tiHbAWqCSF.exe 13 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac436d556a1bde5ea6481bea8ca29bcc235a30b1dc62606eedf9b055d15993b9/
Threat name:
Win32.Trojan.Raccrypt
Create hunting rule
Status:
Malicious
First seen:
2022-01-01 21:50:31 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
34 of 43 (79.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vrbw2vlkdppf5jsidpviziu3zqrvumfr3rrga3xn7gyflukzso4q._file
Verdict:
malicious
Similar samples:
2cdac05088d51a5ebb646fbba3c305ec14c950dc1ce3b3d51da5aa6584774429
Stop
30089a78356dd0f6801c73349dbcbdde0e5e8b6baed69a926066ddac97d9eea4
Stop
44bab40d0ba2224516ff0258b70b04529dee4ff397d0380131725fc19e347cff
Stop
5f577398b47d02dbb683a2ee2a32ffc49326f3874971791646fefdb02d6796f1
Stop
e7884968f8cdd98fc26fd218c60024dac348ed12eac668021b6e18e785821b57
Stop
+ 816 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Link:
https://tria.ge/reports/220104-we54eahffr/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
Malware Config
C2 Extraction:
http://tzgl.org/fhsgtsspen6/get.php
https://qoto.org/@banda4ker
https://c.im/@banda3ker
Unpacked files
SH256 hash:
cb37164165d9a380476b72d4edc7989afa6b102c09aafacd5732716562d91e0f
MD5 hash:
55c3273dcc6d45a427b03fcdc6af1bcd
SHA1 hash:
1e3882556d3315d69c11391ff07c50a15b88992d
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/d70f1a53-0cbb-4ff4-8ad8-e934d7e91d97/
SH256 hash:
ac436d556a1bde5ea6481bea8ca29bcc235a30b1dc62606eedf9b055d15993b9
MD5 hash:
abe5f002d6dd180bbf8948160e5416fe
SHA1 hash:
74fc4bad455cda23cfe3aacdd797a97e02a17c13
Link:
https://www.unpac.me/results/d70f1a53-0cbb-4ff4-8ad8-e934d7e91d97/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ac436d556a1b/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/ac436d556a1bde5ea6481bea8ca29bcc235a30b1dc62606eedf9b055d15993b9

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:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

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/217302/

Comments