MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4aa31695b4fd8e841e7ddcf8b3670502d2bdf527ef79c0e2ccd1a32b4ae492fa. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4aa31695b4fd8e841e7ddcf8b3670502d2bdf527ef79c0e2ccd1a32b4ae492fa
SHA3-384 hash: b9fb9204d141e8a57598076916351063b8fe41e95fcb81870453fddbcea275309a278f428d439b1939fa8b46510ec24d
SHA1 hash: 748104ba744317d066f9b467dead93bb400f3e7e
MD5 hash: 5ed1173bd904f062349de685305a7317
humanhash: cold-mountain-arkansas-georgia
File name:DB_DHL_AWB_001173980920.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:662'016 bytes
First seen:2020-12-18 09:26:35 UTC
Last seen:2020-12-18 10:50:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:b1ywTpRUQJenRI/aHuxGulEXqMp8WA2dAU6s4BgnNHwgb5T/VM/OLgL0sn:b1y0zJeRzHuxLlXg8WTdAl9GNHwgbRVh
Threatray 1'900 similar samples on MalwareBazaar
TLSH 20E4020072687F66D8BD8BF567219A444BB5D97B3623F36C4C9760E722A2F604B50D33
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dhlexpress.org.in
Sending IP: 188.225.85.41
From: Dhl Delivery <dhl@dhlexpress.org.in>
Subject: New pending parcel
Attachment: DB_DHL_AWB_001173980920.7z (contains "DB_DHL_AWB_001173980920.exe")

AgentTesla C2:
http://backupc.ddns.net//inc/255259c874866e.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DB_DHL_AWB_001173980920.exe
Verdict:
Malicious activity
Analysis date:
2020-12-18 09:39:15 UTC
Tags:
rat agenttesla opendir
Link:
https://app.any.run/tasks/d3d32c5d-3b0e-429f-bf33-193f5a122dd7

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/108360/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.24234.7031.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/566166
Signature
.NET source code contains very large array initializations
Contains functionality to register a low level keyboard hook
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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 access)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 332164 Sample: DB_DHL_AWB_001173980920.exe Startdate: 18/12/2020 Architecture: WINDOWS Score: 100 29 Multi AV Scanner detection for dropped file 2->29 31 Sigma detected: Scheduled temp file as task from temp location 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 8 other signatures 2->35 7 DB_DHL_AWB_001173980920.exe 6 2->7         started        process3 file4 21 C:\Users\user\AppData\...\aHiSJdylUCf.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpD428.tmp, XML 7->23 dropped 25 C:\Users\...\DB_DHL_AWB_001173980920.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Contains functionality to register a low level keyboard hook 7->41 43 Injects a PE file into a foreign processes 7->43 11 DB_DHL_AWB_001173980920.exe 15 2 7->11         started        15 schtasks.exe 1 7->15         started        17 DB_DHL_AWB_001173980920.exe 7->17         started        signatures5 process6 dnsIp7 27 backupc.ddns.net 188.214.30.53, 49726, 49739, 49740 THCPROJECTSRO Romania 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 19 conhost.exe 15->19         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4aa31695b4fd8e841e7ddcf8b3670502d2bdf527ef79c0e2ccd1a32b4ae492fa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-18 09:27:06 UTC
AV detection:
18 of 48 (37.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkrrnfnu7whiiht53t4lgzyfaljl35jh5544bywm2grswsxesl5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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e5287a458eafaf621201ab6b5c6e966ee2b0dc02fa2b50b91bf537bbe023e74c
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AgentTesla
+ 1'890 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201218-wnwe6c6zfj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
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:
4aa31695b4fd8e841e7ddcf8b3670502d2bdf527ef79c0e2ccd1a32b4ae492fa
MD5 hash:
5ed1173bd904f062349de685305a7317
SHA1 hash:
748104ba744317d066f9b467dead93bb400f3e7e
Link:
https://www.unpac.me/results/e72d3036-ae11-4227-afe4-df12bc49e599/
SH256 hash:
c5fa7ee64598c76d663b249f983b620daa5f0a223bf4f9a5999c7df517acf8a8
MD5 hash:
5df7b010d9102191fec5b9bfadb111fa
SHA1 hash:
260848549489c68f5166e463c583722727b65ec7
Link:
https://www.unpac.me/results/e72d3036-ae11-4227-afe4-df12bc49e599/
SH256 hash:
0028314f05e80c80f619e1cc05d3fb3e96edb4147b080fb504e54f50ed902bbb
MD5 hash:
f7438bd6b7d71bbec94deee3332fd112
SHA1 hash:
d99a61b0fe232b3826579a98ae64bd7f30d79b11
Link:
https://www.unpac.me/results/e72d3036-ae11-4227-afe4-df12bc49e599/
SH256 hash:
e83cef9cfa4e2ea30e28843e43c60ebf8f6590fb753ad0aa5ed1123c01280527
MD5 hash:
bf99ee5fbf42797bd1ade95b109d634c
SHA1 hash:
e02abfdbca94a24a36b47d49a28360b79aabd294
Link:
https://www.unpac.me/results/e72d3036-ae11-4227-afe4-df12bc49e599/
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/4aa31695b4fd8e841e7ddcf8b3670502d2bdf527ef79c0e2ccd1a32b4ae492fa

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

zip 7acebbf0cdf4090021ef225994c64882a0a4a917a7ee5cdf4a9fcc53b4a339be

AgentTesla

Executable exe 4aa31695b4fd8e841e7ddcf8b3670502d2bdf527ef79c0e2ccd1a32b4ae492fa

(this sample)

  
Dropped by
MD5 650531f7867184278fe77608abf3c1ce
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 7acebbf0cdf4090021ef225994c64882a0a4a917a7ee5cdf4a9fcc53b4a339be
Cape
Cape
https://www.capesandbox.com/analysis/108360/

Comments