MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b81f6d0c7d55bcfc2d5819f272e095eace8be77ff58c04d04ac3754052f729eb. 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


AgentTesla


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b81f6d0c7d55bcfc2d5819f272e095eace8be77ff58c04d04ac3754052f729eb
SHA3-384 hash: 2ffeb5eeb35f73f2757e266c11f4ce2b93877586c2ead4c04d281058304fd1756de3a64a6b33ae0f72ee6e030cd0404a
SHA1 hash: 7df4e6daac79c90b799071920fc6c85eb611bfe1
MD5 hash: 97a37b10cba8cd19e3b490a2f97a9682
humanhash: pennsylvania-kitten-kentucky-tennessee
File name:CH-8208130538.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'025'536 bytes
First seen:2023-03-29 09:22:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:uU2iNo3XdJVZz5dB3RdzPWALYfOO3QLUr1XU4m8aa+upnPeWzhJyspmgnBMOm5Ln:uU12zVZ97zrZ0fORsUa/PJyMzBqd
TLSH T149259C5DE1C071FBD21753B689D0E733A22FDEC2061289DDD8E86DE7B1FB608181A616
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter pr0xylife
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
TH TH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CH-8208130538.exe
Verdict:
Malicious activity
Analysis date:
2023-03-29 09:23:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3f59bc48-d5cf-459e-8205-1911ebfde0fb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/378450/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/642403760dc8b8a71cf77337/reports/9644cc7b-fc5f-4046-9268-4c0545d90579/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b81f6d0c7d55bcfc2d5819f272e095eace8be77ff58c04d04ac3754052f729eb
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b11028d3-d099-4fea-b16a-a0422d90ad57
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1204154
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 837070 Sample: CH-8208130538.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected AgentTesla 2->53 55 2 other signatures 2->55 7 CH-8208130538.exe 7 2->7         started        11 moHVytnrQwGv.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\moHVytnrQwGv.exe, PE32 7->33 dropped 35 C:\Users\...\moHVytnrQwGv.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp50C4.tmp, XML 7->37 dropped 39 C:\Users\user\...\CH-8208130538.exe.log, ASCII 7->39 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 65 2 other signatures 7->65 13 CH-8208130538.exe 2 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        25 3 other processes 7->25 63 Machine Learning detection for dropped file 11->63 21 moHVytnrQwGv.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 41 egy-sa.com 209.182.214.114, 49697, 49700, 587 INMOTI-1US United States 13->41 43 192.168.2.1 unknown unknown 13->43 45 mail.egy-sa.com 13->45 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        47 mail.egy-sa.com 21->47 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->67 69 Tries to steal Mail credentials (via file / registry access) 21->69 71 Tries to harvest and steal browser information (history, passwords, etc) 21->71 31 conhost.exe 23->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b81f6d0c7d55bcfc2d5819f272e095eace8be77ff58c04d04ac3754052f729eb/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-29 09:23:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xapw2dd5kw6pylkydhzhfyev5lhixz376wgajuckyn2uauxxfhvq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230329-lcf2dsff76/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b4b190818a658f0b64f5aa6d39e901e9d731bf1f58fa072b4c73120a96489bdb
MD5 hash:
3c6f8b2e78f5ebf58c4f170b30c04607
SHA1 hash:
c0ee09a1a9d1c673ad7eadabab7de44ebe0ff765
Link:
https://www.unpac.me/results/9635f8a9-6556-40b8-a28c-9333ff646052/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/9635f8a9-6556-40b8-a28c-9333ff646052/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
376ef2af18571aff435fa98e2c4499c9979a310b8ae4b9961bbbbb5437f2272d
MD5 hash:
13b9c42245e222ba04045bb507a893b5
SHA1 hash:
524f14a12ac889dddb5d6e1d0d5174418c484689
Link:
https://www.unpac.me/results/9635f8a9-6556-40b8-a28c-9333ff646052/
SH256 hash:
c4821d42fbee62904962bab70d146c9f9eab672f92d53bf0c1de042a0d06a1e6
MD5 hash:
734f6a55db6b9b7d1fe50657a87366c1
SHA1 hash:
487ae6ed9326924327c53cda3cf5a90742def73c
Link:
https://www.unpac.me/results/9635f8a9-6556-40b8-a28c-9333ff646052/
SH256 hash:
d7dc7ed93c3ff43db473f543dcd742a9f41b242634b18e172f38d4e8238580a4
MD5 hash:
cfc1f406e4e4bc91a6728d34a5bbb7fa
SHA1 hash:
07f5b4093dc83f5b039bb7ab0cd70999856decb2
Link:
https://www.unpac.me/results/9635f8a9-6556-40b8-a28c-9333ff646052/
SH256 hash:
b81f6d0c7d55bcfc2d5819f272e095eace8be77ff58c04d04ac3754052f729eb
MD5 hash:
97a37b10cba8cd19e3b490a2f97a9682
SHA1 hash:
7df4e6daac79c90b799071920fc6c85eb611bfe1
Link:
https://www.unpac.me/results/9635f8a9-6556-40b8-a28c-9333ff646052/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b81f6d0c7d55/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/b81f6d0c7d55bcfc2d5819f272e095eace8be77ff58c04d04ac3754052f729eb

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: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/378450/

Comments