MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4520e17b63c5503219d9c36435b26054ac63e4539883c5244b3129535d82879. 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: 11


Intelligence 11 IOCs 1 YARA File information Comments

SHA256 hash: a4520e17b63c5503219d9c36435b26054ac63e4539883c5244b3129535d82879
SHA3-384 hash: beb949ad445e820b2218be4c581a348a0b4a4adc6edc9861d3589c96c983f1b3a2cbfa01deb16373398ba7a16165e5ba
SHA1 hash: cefca2c4538365655cb1eead3f3390313b9ea18a
MD5 hash: e950889fc7f88cbc4408d934e2e220f6
humanhash: diet-crazy-cola-social
File name:e950889fc7f88cbc4408d934e2e220f6.exe
Download: download sample
Signature TeamBot
File size:818'176 bytes
First seen:2021-08-01 05:55:59 UTC
Last seen:2021-08-01 06:42:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c8b9c145ec19b60e1b1e5259a226415a (2 x RedLineStealer, 1 x TeamBot, 1 x Stop)
ssdeep 12288:LVHqYgXjvWYZeTPFWz5RNUDIFUEW00h/HsS54HWuE:LVKvXj7ZeTd8/0IyT00/54HW
Threatray 405 similar samples on MalwareBazaar
TLSH T16C0512607581C476C7500A3084A597B0672ABCF1893409073F683BFEAEF73F196A9E5B
dhash icon 4839b2b4e8c38890 (137 x RaccoonStealer, 37 x Smoke Loader, 30 x RedLineStealer)
Reporter abuse_ch
Tags:exe TeamBot


Avatar
abuse_ch
TeamBot C2:
http://astdg.top/fhsgtsspen6/get.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://astdg.top/fhsgtsspen6/get.php https://threatfox.abuse.ch/ioc/165211/

Intelligence


File Origin
# of uploads :
2
# of downloads :
1'430
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e950889fc7f88cbc4408d934e2e220f6.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-01 05:57:10 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 457421 Sample: 5mr8riiH5q.exe Startdate: 01/08/2021 Architecture: WINDOWS Score: 100 70 clientconfig.passport.net 2->70 90 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->90 92 Multi AV Scanner detection for domain / URL 2->92 94 Antivirus detection for URL or domain 2->94 96 6 other signatures 2->96 13 5mr8riiH5q.exe 2->13         started        16 5mr8riiH5q.exe 2->16         started        18 mstsca.exe 2->18         started        20 2 other processes 2->20 signatures3 process4 signatures5 100 Detected unpacking (changes PE section rights) 13->100 102 Detected unpacking (overwrites its own PE header) 13->102 104 Contains functionality to inject code into remote processes 13->104 106 Writes many files with high entropy 13->106 22 5mr8riiH5q.exe 1 18 13->22         started        108 Injects a PE file into a foreign processes 16->108 26 5mr8riiH5q.exe 12 16->26         started        28 mstsca.exe 18->28         started        30 mstsca.exe 20->30         started        32 mstsca.exe 20->32         started        process6 dnsIp7 72 api.2ip.ua 77.123.139.190, 443, 49708, 49711 VOLIA-ASUA Ukraine 22->72 60 C:\Users\...\5mr8riiH5q.exe:Zone.Identifier, ASCII 22->60 dropped 34 5mr8riiH5q.exe 22->34         started        37 icacls.exe 22->37         started        39 schtasks.exe 28->39         started        file8 process9 signatures10 88 Injects a PE file into a foreign processes 34->88 41 5mr8riiH5q.exe 1 24 34->41         started        46 conhost.exe 39->46         started        process11 dnsIp12 74 securebiz.org 180.69.193.102, 49713, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 41->74 76 astdg.top 176.123.228.234, 49715, 49721, 80 ASISPACEKG Kyrgyzstan 41->76 78 2 other IPs or domains 41->78 62 {3DA71D5A-20CC-432...0018.db.nooa (copy), DOS 41->62 dropped 64 C:\Users\...\AppCache132723034540688605.txt, COM 41->64 dropped 66 {3DA71D5A-20CC-432...0000000000000018.db, DOS 41->66 dropped 68 271 other files (254 malicious) 41->68 dropped 98 Modifies existing user documents (likely ransomware behavior) 41->98 48 build3.exe 41->48         started        file13 signatures14 process15 signatures16 80 Detected unpacking (changes PE section rights) 48->80 82 Detected unpacking (overwrites its own PE header) 48->82 84 Machine Learning detection for dropped file 48->84 86 2 other signatures 48->86 51 build3.exe 1 48->51         started        process17 file18 58 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 51->58 dropped 54 schtasks.exe 51->54         started        process19 process20 56 conhost.exe 54->56         started       
Threat name:
Win32.Trojan.Hynamer
Status:
Malicious
First seen:
2021-08-01 06:24:48 UTC
AV detection:
23 of 46 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer suricata
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
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
Malware Config
C2 Extraction:
https://shpak125.tumblr.com/
Unpacked files
SH256 hash:
a4520e17b63c5503219d9c36435b26054ac63e4539883c5244b3129535d82879
MD5 hash:
e950889fc7f88cbc4408d934e2e220f6
SHA1 hash:
cefca2c4538365655cb1eead3f3390313b9ea18a
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

TeamBot

Executable exe a4520e17b63c5503219d9c36435b26054ac63e4539883c5244b3129535d82879

(this sample)

  
Delivery method
Distributed via web download

Comments