MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2. 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: 17


Intelligence 17 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2
SHA3-384 hash: 30df841dd835699c2dbd20b0e92541a571aa69fa08297e5afa98d5dac71657990794a6e5a4b4830f9c26f6b19ee5b9f0
SHA1 hash: 30e9143d9d0c8def9bd176663e62049356cd94c9
MD5 hash: 33bc5b92658baf8f7a4dfc35c9994250
humanhash: tennessee-arkansas-vegan-enemy
File name:33bc5b92658baf8f7a4dfc35c9994250.exe
Download: download sample
Signature TeamBot
Create hunting rule
File size:850'944 bytes
First seen:2024-04-24 00:05:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3aaa1b88fde88b6f18cce2952dfece3e (2 x Stop, 2 x TeamBot)
ssdeep 12288:RTipzPV+q9TaI+u/htKL1MoFzEKMQe+LfGR1l68u7E9:Rk/aZeh21wQTfa68u7Q
Threatray 1'885 similar samples on MalwareBazaar
TLSH T18705F10376D2BC91E062DA328C1F8AF4223EFCF69E665B77334CAA0F19751918663751
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 10242460a2c84800 (1 x TeamBot)
Reporter abuse_ch
Tags:exe TeamBot


Avatar
abuse_ch
TeamBot C2:
http://cajgtus.com/test1/get.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
346
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2.exe
Verdict:
Malicious activity
Analysis date:
2024-04-24 04:43:37 UTC
Tags:
loader vodkagats djvu ransomware stop raccoonclipper
Link:
https://app.any.run/tasks/7de61338-ae1d-4c0c-8e58-1f4ec380ddcd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending a TCP request to an infection source
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
DNS request
Sending an HTTP GET request to an infection source
Connection attempt
Sending an HTTP GET request
Query of malicious DNS domain
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/66284ceb75339da04f9d6637/reports/dd671c68-db7a-4385-9291-b0b840d6ec04/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2
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/a45bcd20-694e-4115-a42f-d13bb891c000
Result
Threat name:
Babuk, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1430665
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1430665 Sample: 3CB27VUHRg.exe Startdate: 24/04/2024 Architecture: WINDOWS Score: 100 57 sdfjhuz.com 2->57 59 cajgtus.com 2->59 61 api.2ip.ua 2->61 69 Snort IDS alert for network traffic 2->69 71 Multi AV Scanner detection for domain / URL 2->71 73 Found malware configuration 2->73 75 12 other signatures 2->75 9 3CB27VUHRg.exe 2->9         started        12 3CB27VUHRg.exe 2->12         started        14 3CB27VUHRg.exe 2->14         started        16 3CB27VUHRg.exe 2->16         started        signatures3 process4 signatures5 85 Detected unpacking (changes PE section rights) 9->85 87 Detected unpacking (overwrites its own PE header) 9->87 89 Writes a notice file (html or txt) to demand a ransom 9->89 101 2 other signatures 9->101 18 3CB27VUHRg.exe 1 17 9->18         started        91 Antivirus detection for dropped file 12->91 93 Multi AV Scanner detection for dropped file 12->93 95 Machine Learning detection for dropped file 12->95 22 3CB27VUHRg.exe 12->22         started        97 Sample uses process hollowing technique 14->97 99 Injects a PE file into a foreign processes 14->99 25 3CB27VUHRg.exe 14->25         started        27 3CB27VUHRg.exe 16->27         started        process6 dnsIp7 63 api.2ip.ua 172.67.139.220, 443, 49730, 49731 CLOUDFLARENETUS United States 18->63 39 C:\Users\user\AppData\...\3CB27VUHRg.exe, PE32 18->39 dropped 29 3CB27VUHRg.exe 18->29         started        32 icacls.exe 18->32         started        41 C:\Users\user\_README.txt, ASCII 22->41 dropped 43 C:\Users\user\Desktop\...\XZXHAVGRAG.docx, data 22->43 dropped 45 C:\Users\user\Desktop45WTVCDUMOB.pdf, data 22->45 dropped 47 C:\Users\user\AppData\Local\...\_README.txt, ASCII 22->47 dropped 83 Modifies existing user documents (likely ransomware behavior) 22->83 file8 signatures9 process10 signatures11 103 Injects a PE file into a foreign processes 29->103 34 3CB27VUHRg.exe 1 23 29->34         started        process12 dnsIp13 65 cajgtus.com 81.183.132.103, 49733, 49734, 49736 MAGYAR-TELEKOM-MAIN-ASMagyarTelekomNyrtHU Hungary 34->65 67 sdfjhuz.com 211.181.24.132, 49735, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 34->67 49 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 34->49 dropped 51 C:\_README.txt, ASCII 34->51 dropped 53 C:\Users\user\...\wctF86A.tmp.bgjs (copy), MS-DOS 34->53 dropped 55 44 other malicious files 34->55 dropped 77 Tries to harvest and steal browser information (history, passwords, etc) 34->77 79 Infects executable files (exe, dll, sys, html) 34->79 81 Modifies existing user documents (likely ransomware behavior) 34->81 file14 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2/
Threat name:
Win32.Backdoor.Mokes
Create hunting rule
Status:
Malicious
First seen:
2024-04-24 00:06:06 UTC
File Type:
PE (Exe)
Extracted files:
66
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ivpugj7zyhqh33dfhc6ob3nqxe222sc6b4a45jhgr6uvbnbisgra._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
TeamBot
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
TeamBot
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
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a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
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b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
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d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
TeamBot
+ 1'875 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Link:
https://tria.ge/reports/240424-adq27sda29/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://cajgtus.com/test1/get.php
Unpacked files
SH256 hash:
28e1c285437437f28462bb73d77b4e64f2f4afd68c3618641f6b593c3b2b4bea
MD5 hash:
4d24b5da9e5c17259cfd517ac4529554
SHA1 hash:
d4ba9d60da54944dfabdd9e9dc6cc35535affdb3
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
SUSP_XORed_URL_In_EXE
Create hunting rule
MALWARE_Win_STOP
Create hunting rule
Link:
https://www.unpac.me/results/a213a53f-9503-47a8-bc15-75bc865ffb77/
Parent samples :
946e4a86f1cb22fab17f7e3a9a0422421e781b99357436e816ddb00e5154ed48
455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2
6c0bd6cae657449a07dcb78940ea732d7e4e24546477b083116bff4c99bd417d
8e53393db26258fb917fd570861070420d31148c2826dcdbed52ce326c2d5ff6
444cf71032e7c7be2a79255af4fb38bab0333fb0a060ecc3fe91473d26ebce83
62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546
9c9ed624eaf441b4637d50fe25d386636c5cb59fb69f5b824afc7cec6dfff7f0
8b7851ae383ee5e1d106322f99d0a6149044e317ed310ce7464ff7d82afa725c
6b20888a57749e9e7bdd567daa7347e525018e32aa98d61f684f3ed9372a4239
SH256 hash:
455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2
MD5 hash:
33bc5b92658baf8f7a4dfc35c9994250
SHA1 hash:
30e9143d9d0c8def9bd176663e62049356cd94c9
Link:
https://www.unpac.me/results/a213a53f-9503-47a8-bc15-75bc865ffb77/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/455f4327f9c1/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/455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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.

Web download

TeamBot

Executable exe 455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2794529/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleProcessList
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments