MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8b4798a94d1cc98b0ec6c1db7dced9a6000c85aaf9361da45747b6cc10adb23. 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


TeamBot


Vendor detections: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8b4798a94d1cc98b0ec6c1db7dced9a6000c85aaf9361da45747b6cc10adb23
SHA3-384 hash: 88b8c492ddf27aff2369a5a5cf26dd92b96c03a40dc0d003b18f422dc63487b6fba8b9b376906a9c3ae13704a76df268
SHA1 hash: 74f642ab57350a3772891a1ffab6eb1140c210cf
MD5 hash: af510a2964c9fb1ccbf01cb0429a72a2
humanhash: zebra-delaware-lake-beryllium
File name:09498299.exe
Download: download sample
Signature TeamBot
Create hunting rule
File size:791'552 bytes
First seen:2023-05-30 12:12:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f0e10d9a96be6b734705c743979bb47c (1 x Vidar, 1 x Rhadamanthys, 1 x Stealc)
ssdeep 24576:j7YlySbFKzxPU0anO6G8biyZiIMWeY3/:IHIzpanO39nJPq
Threatray 1'909 similar samples on MalwareBazaar
TLSH T16CF4D01382E33D48E62ACB7A9E1FD5F8775EB5504E8A3769221AAB1F00F10B3D163715
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 442224520a040400 (1 x TeamBot)
Reporter Neiki
Tags:TeamBot

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
09498299.exe
Verdict:
Malicious activity
Analysis date:
2023-05-30 12:16:00 UTC
Tags:
installer ransomware stop stealer vidar trojan loader
Link:
https://app.any.run/tasks/ebe9082b-861b-4146-ba95-754d6714ff0f

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/393580/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
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
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed xpack
Link:
https://www.filescan.io/uploads/6475e84f265e4e1dc7e5078d/reports/ece3f0ee-c631-432b-a666-a6634fe7f05a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a8b4798a94d1cc98b0ec6c1db7dced9a6000c85aaf9361da45747b6cc10adb23
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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/41155652-9cf5-453a-bd88-310c06d2f162
Result
Threat name:
Babuk, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1245222
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 878232 Sample: 09498299.exe Startdate: 30/05/2023 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 8 other signatures 2->60 8 09498299.exe 2->8         started        11 09498299.exe 2->11         started        13 09498299.exe 2->13         started        15 09498299.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 09498299.exe 1 18 8->17         started        66 Multi AV Scanner detection for dropped file 11->66 68 Detected unpacking (changes PE section rights) 11->68 70 Detected unpacking (overwrites its own PE header) 11->70 72 2 other signatures 11->72 22 09498299.exe 12 11->22         started        24 09498299.exe 1 16 13->24         started        26 09498299.exe 15->26         started        process5 dnsIp6 48 zexeq.com 201.119.71.122, 49698, 80 UninetSAdeCVMX Mexico 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\TQDFJHPUIU.xlsx, data 17->38 dropped 40 C:\Users\user\Desktop\LIJDSFKJZG.mp3, data 17->40 dropped 46 4 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49694, 49695 ACPCA Canada 24->50 42 C:\Users\user\AppData\Local\...\09498299.exe, PE32 24->42 dropped 44 C:\Users\...\09498299.exe:Zone.Identifier, ASCII 24->44 dropped 28 09498299.exe 24->28         started        31 icacls.exe 24->31         started        file7 signatures8 process9 signatures10 74 Injects a PE file into a foreign processes 28->74 33 09498299.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8b4798a94d1cc98b0ec6c1db7dced9a6000c85aaf9361da45747b6cc10adb23/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2023-05-30 12:13:05 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vc2htcuu2hgjrmhmnqo3pxhntjqabsc2v6jwdwsfor5wzqik3mrq._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
TeamBot
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
TeamBot
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
TeamBot
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
TeamBot
a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
TeamBot
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
TeamBot
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
TeamBot
+ 1'899 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:77a63e71a10ee1d81a28b5c866b75922 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230530-pdrfashe28/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
https://steamcommunity.com/profiles/76561199510444991
https://t.me/task4manager
Unpacked files
SH256 hash:
8c737e3c6c4d7c80b016b2a63dd93b72d2c9035a9f8f9dec95b97bfcdcfac756
MD5 hash:
5f4e2c2548d03592958e2aecb6292336
SHA1 hash:
8b3feacac8eefd663cea24d1e952e44ae3536072
Detections:
stop_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/3e25c730-904a-4918-9af3-b963dbff475c/
Parent samples :
5036a028da048199de157009be3ef9fbdbd6345388ef16fd4a8b6da54eee38db
328a7672a582ef7f93a64325b0f80b30887a49d51a94a61de73f4c53cfe9054d
a8b4798a94d1cc98b0ec6c1db7dced9a6000c85aaf9361da45747b6cc10adb23
959218473693d550912d906d2fc3d09f98c2a19dc7e5a09a09fb932c7fa25c3c
ac87fab7abdecf6db9fec0c005ef7de1490c2a2ec15e887787ee093db0b4ac56
d6421e6c85be648c18ff4ae6efeeded3b389f151027d052f156ff6fefc1c3bd4
8bcf576fd6d74fd51de30459eb0b40ae1e7743fef04034444113c81c44059e92
SH256 hash:
a8b4798a94d1cc98b0ec6c1db7dced9a6000c85aaf9361da45747b6cc10adb23
MD5 hash:
af510a2964c9fb1ccbf01cb0429a72a2
SHA1 hash:
74f642ab57350a3772891a1ffab6eb1140c210cf
Link:
https://www.unpac.me/results/3e25c730-904a-4918-9af3-b963dbff475c/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a8b4798a94d1/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/a8b4798a94d1cc98b0ec6c1db7dced9a6000c85aaf9361da45747b6cc10adb23

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:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
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:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

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/393580/

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