MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8943fb094bca2e99d27d464061a2b01880317a3596516fb6dfab254b2072ce27. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8943fb094bca2e99d27d464061a2b01880317a3596516fb6dfab254b2072ce27
SHA3-384 hash: 8a58c79ce10b1183e22ed99aa2308f9abad70bd9c98d9042a85e473804b1a09e14cb34c8191c1ab6614b77ac079ceb5c
SHA1 hash: 3dcb74f398c0c38afd23d8497d81a60bc90f59c0
MD5 hash: c8512eeeb936dbeecc6786c3ac707995
humanhash: autumn-seven-timing-october
File name:CMS223006-Payment_details _pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:26'112 bytes
First seen:2022-06-30 08:53:09 UTC
Last seen:2022-06-30 13:41:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:Fd5UTiAz5Cg5zbT1Eb3NNtV4JviTRJ32tZzGcN:F0ZTzbg3RavSf3gZqk
Threatray 18'914 similar samples on MalwareBazaar
TLSH T167C295C866A4412BC5F20639885E86B0B735ED33AE218B7B1471734F5BF26C44ED2A73
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c888cedecc888880 (7 x AgentTesla, 6 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/284555/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62bd64e7af5d83443c16dc39/reports/9640c2d6-9868-421e-9df5-84747710dcc5/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a8574bf1-8702-4efc-863f-01f77a5832cc
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1022466
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Encrypted powershell cmdline option found
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 654963 Sample: CMS223006-Payment_details _... Startdate: 30/06/2022 Architecture: WINDOWS Score: 100 53 api.telegram.org 2->53 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 Yara detected AgentTesla 2->81 83 9 other signatures 2->83 8 CMS223006-Payment_details _pdf.exe 16 7 2->8         started        13 Bcqah.exe 14 3 2->13         started        15 Bcqah.exe 2->15         started        signatures3 process4 dnsIp5 55 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49771, 49781 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 8->55 57 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49766, 49782 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 8->57 63 3 other IPs or domains 8->63 45 C:\Users\user\AppData\Roaming\...\Bcqah.exe, PE32 8->45 dropped 47 C:\Users\user\...\Bcqah.exe:Zone.Identifier, ASCII 8->47 dropped 49 C:\...\CMS223006-Payment_details _pdf.exe.log, ASCII 8->49 dropped 85 Encrypted powershell cmdline option found 8->85 87 Writes to foreign memory regions 8->87 89 Injects a PE file into a foreign processes 8->89 17 MSBuild.exe 14 6 8->17         started        21 powershell.exe 14 8->21         started        23 powershell.exe 15 8->23         started        59 192.168.2.1 unknown unknown 13->59 61 onedrive.live.com 13->61 65 2 other IPs or domains 13->65 91 Machine Learning detection for dropped file 13->91 25 powershell.exe 13->25         started        27 powershell.exe 13->27         started        67 3 other IPs or domains 15->67 29 powershell.exe 15->29         started        31 powershell.exe 15->31         started        file6 signatures7 process8 dnsIp9 51 api.telegram.org 149.154.167.220, 443, 49776, 49777 TELEGRAMRU United Kingdom 17->51 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->71 73 Tries to steal Mail credentials (via file / registry access) 17->73 75 4 other signatures 17->75 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        41 conhost.exe 29->41         started        43 conhost.exe 31->43         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8943fb094bca2e99d27d464061a2b01880317a3596516fb6dfab254b2072ce27/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-06-30 00:31:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfb7wcklzixjtut5izagdivqdcadc6rvsziw7nw7vmsuwidszytq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2aa8f6347e3d331950c557528790162d59d5607fadbb111e1cefad5a34ba6cd9
AgentTesla
9ff2100c715968d4554aa592c0df35b387ada038e016c109a5d6f52e91c09d21
AgentTesla
c1668d113829b2d495044cfa509da8b04f372c4d8e0d73dcc98da7c761cf70a5
AgentTesla
c5df359c7b21d6544c166cf142071d68a028f429ff47e80b8e855b9bc02decfd
AgentTesla
cd157abb678f29acfb7d4461fbdb5005dee9bd33ed4ba07c186b63d1746547fe
AgentTesla
cf9821c4c08a6d62cbe17ebc6c0d6ea40336c145e8e9369fe76505e1d3dc8674
AgentTesla
fb9ced17a8c77714b290ef76164e2eba8045c1fb625fc26c6756fd09439860be
AgentTesla
+ 18'904 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220630-ktv17shedm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5257540806:AAHfdEOucX0SGh3bzy9zivJOu6xbXCuqEE8/sendDocument
Unpacked files
SH256 hash:
8943fb094bca2e99d27d464061a2b01880317a3596516fb6dfab254b2072ce27
MD5 hash:
c8512eeeb936dbeecc6786c3ac707995
SHA1 hash:
3dcb74f398c0c38afd23d8497d81a60bc90f59c0
Link:
https://www.unpac.me/results/78d196fa-fefe-4a5f-b5ab-2aff33cbfc1e/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8943fb094bca/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/8943fb094bca2e99d27d464061a2b01880317a3596516fb6dfab254b2072ce27

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Malspam

AgentTesla

Executable exe 8943fb094bca2e99d27d464061a2b01880317a3596516fb6dfab254b2072ce27

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/284555/

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