MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 539c8b42e4c670a527dc2e3aa0154b7959c3c4a058f90582dd5e9284a27c43f8. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 539c8b42e4c670a527dc2e3aa0154b7959c3c4a058f90582dd5e9284a27c43f8
SHA3-384 hash: ba8c6d75db31e9568606d01f6c32048c912d277f45f611463dbdeea2f300bcaa5d9129f20bb7e3a80619bfb85482d225
SHA1 hash: cc2321c517e70b55a023c031592faf7564faa53f
MD5 hash: c92cec652a6879180cbd8c3535cfc907
humanhash: washington-item-table-virginia
File name:wire transfers.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:676'352 bytes
First seen:2023-07-13 05:57:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:yUR5AITvJYjXaiUp7ZcbV24sUP3Cakr9MHsM4p3CGtGEJP51a3qnt:ZDAqvJ0Xc7Z8xPCaUrM4GEJL4qnt
Threatray 388 similar samples on MalwareBazaar
TLSH T127E4120D6DD39A17C5864BF860013370873C9EFA35A6E38A1EC7F1D1AD95B9106236AF
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)
File icon (PE):PE icon
dhash icon 70d2a28e3c626cb1 (4 x AgentTesla, 2 x Formbook, 1 x DarkCloud)
Reporter cocaman
Tags:AgentTesla exe payment

Intelligence

File Origin
# of uploads :
1
# of downloads :
268
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
wire transfers.exe
Verdict:
Malicious activity
Analysis date:
2023-07-13 06:00:35 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/676acbcd-a57c-4536-9913-b1653f7c7977

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/417234/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.68690.27577.32129.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
Link:
https://www.filescan.io/uploads/64af926b6e9f7019dea009b6/reports/2a0f2bc1-b765-47dc-8265-47c9478f3657/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/539c8b42e4c670a527dc2e3aa0154b7959c3c4a058f90582dd5e9284a27c43f8
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dda2b1f0-7de4-4d70-94f4-eaaf1b980e1f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1272196
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1272196 Sample: wire_transfers.exe Startdate: 13/07/2023 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic 2->74 76 Found malware configuration 2->76 78 Antivirus detection for dropped file 2->78 80 13 other signatures 2->80 7 wire_transfers.exe 7 2->7         started        11 DJHwqvcz.exe 5 2->11         started        13 My App.exe 2->13         started        15 My App.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\Roaming\DJHwqvcz.exe, PE32 7->52 dropped 54 C:\Users\...\DJHwqvcz.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmp3B5F.tmp, XML 7->56 dropped 58 C:\Users\user\...\wire_transfers.exe.log, ASCII 7->58 dropped 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->90 92 May check the online IP address of the machine 7->92 94 Uses schtasks.exe or at.exe to add and modify task schedules 7->94 96 Adds a directory exclusion to Windows Defender 7->96 17 wire_transfers.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        32 2 other processes 7->32 98 Antivirus detection for dropped file 11->98 100 Multi AV Scanner detection for dropped file 11->100 102 Machine Learning detection for dropped file 11->102 24 DJHwqvcz.exe 11->24         started        26 schtasks.exe 1 11->26         started        104 Injects a PE file into a foreign processes 13->104 28 My App.exe 13->28         started        34 2 other processes 13->34 30 My App.exe 15->30         started        36 2 other processes 15->36 signatures5 process6 dnsIp7 60 api4.ipify.org 104.237.62.211, 443, 49690, 49695 WEBNXUS United States 17->60 62 api.telegram.org 149.154.167.220, 443, 49691, 49698 TELEGRAMRU United Kingdom 17->62 64 api.ipify.org 17->64 48 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 17->48 dropped 50 C:\Users\user\...\My App.exe:Zone.Identifier, ASCII 17->50 dropped 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->82 84 Tries to steal Mail credentials (via file / registry access) 17->84 86 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->86 38 conhost.exe 22->38         started        72 2 other IPs or domains 24->72 40 conhost.exe 26->40         started        66 api.ipify.org 28->66 88 Tries to harvest and steal browser information (history, passwords, etc) 28->88 68 64.185.227.156, 443, 49696 WEBNXUS United States 30->68 70 api.ipify.org 30->70 42 conhost.exe 32->42         started        44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/539c8b42e4c670a527dc2e3aa0154b7959c3c4a058f90582dd5e9284a27c43f8/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-12 15:52:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kooiwqxeyzykkj64fy5kafklpfm4hrfald4qlaw5l2jijit4ip4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
+ 378 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/230713-gn6c7sgd9y/
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
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot6311781507:AAEuR5ZmBkJnXXsSjWZT0YSOmeipZXlW-rk/
Unpacked files
SH256 hash:
7a4c70a25eac84fb6b08ba8faaa7beac6fd8ef8d26cd5f143d0c2a34341dbacf
MD5 hash:
06a7393457ad3578f291d8847232596e
SHA1 hash:
df5c09aee023cd7bbf692289a64fda92bf83bd3f
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/fe655f4a-2c7d-4c52-b644-0bc63dc7a7b2/
SH256 hash:
a93d415dbc99d71f3f104dae05649773a95422356720b72038c3ced9b5a38336
MD5 hash:
265347afc6fe5127c9bbc3bf502f7638
SHA1 hash:
a91c7b29b1c89df6e01926f956d7e37241a0975e
Link:
https://www.unpac.me/results/fe655f4a-2c7d-4c52-b644-0bc63dc7a7b2/
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/fe655f4a-2c7d-4c52-b644-0bc63dc7a7b2/
SH256 hash:
c4aff772e6c611236c5cb21c5d681fd6e06cb0c8dd15f334ca753c749124d970
MD5 hash:
7f3cc149facd2a4117a228f961f1323b
SHA1 hash:
794049af8722b252a40551def57336bb55e1700e
Link:
https://www.unpac.me/results/fe655f4a-2c7d-4c52-b644-0bc63dc7a7b2/
SH256 hash:
539c8b42e4c670a527dc2e3aa0154b7959c3c4a058f90582dd5e9284a27c43f8
MD5 hash:
c92cec652a6879180cbd8c3535cfc907
SHA1 hash:
cc2321c517e70b55a023c031592faf7564faa53f
Link:
https://www.unpac.me/results/fe655f4a-2c7d-4c52-b644-0bc63dc7a7b2/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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

zip 86282c7e7e4176a773c3aaf42fd10114b2f06a3bbafd76f7c85ea6f50f1dc476

AgentTesla

Executable exe 539c8b42e4c670a527dc2e3aa0154b7959c3c4a058f90582dd5e9284a27c43f8

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 86282c7e7e4176a773c3aaf42fd10114b2f06a3bbafd76f7c85ea6f50f1dc476
Cape
Cape
https://www.capesandbox.com/analysis/417234/
  
Dropped by
MD5 06de447fd71fbfaebaf33995d72a0b11

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