MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4951ac0526f553174ab6263d7af02821f01f7563f256ad57ed3f9425693cdc8d. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4951ac0526f553174ab6263d7af02821f01f7563f256ad57ed3f9425693cdc8d
SHA3-384 hash: 8f66814d0a16da9ace1cf0da7bb002ac58d86af154dd7ce6dab01b6ac4a92249f2357789113274fd03e3ccad7261252b
SHA1 hash: 01a686ef8bf5fd110b8089d4998a7e88706b6583
MD5 hash: 84d092c3f341152121fa75b83569a7c8
humanhash: chicken-indigo-oregon-island
File name:New Order.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:780'800 bytes
First seen:2020-10-12 06:20:02 UTC
Last seen:2020-10-12 13:51:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7gOLGDLFBtUc+hD7vJtm3W5ypFxV9ij1g6i3yuPynangIi6gsB8:tLE5ULZ7vHDIbdiR2yP6hB8
Threatray 459 similar samples on MalwareBazaar
TLSH FBF4E16127E95B86D1BE8BF50224215013F93E2B386EF25D2DC229EF56B5F818600F77
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: rkr0.627.sievo.ml
Sending IP: 64.225.68.31
From: Sanda Kozinda <sanda@627.sievo.ml>
Subject: Purchase Order
Attachment: New Order.pdf.gz (contains "New Order.pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69964/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/488046
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4951ac0526f553174ab6263d7af02821f01f7563f256ad57ed3f9425693cdc8d/
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 03:25:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jfi2ybjg6vjrosvwey6xv4biehyb65ld6jlk2v7nh6kck2j43sgq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
042e32eb8970e6dd8e767bb75bc25b3325c314783b9c3bb365727584dba4d918
AgentTesla
1fb23de8da95ef200663ec6bffe9a439b6c39927559b5e103a488cf54355ebad
AgentTesla
35053de930782e8179e3721c8927c499b71dc9926db872b722fe8b5ec5b300b2
AgentTesla
37fa0d1153831bdf8c08560d18a83afc2ccede848883819536eb81497c63229f
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4255ae6b31d6068463b663c1871ac8cee3461b0d3fbf642f96cf9a3e8817803c
AgentTesla
792259d9e6e262d17cc54f4b43c8e95cd0be1e533f5e5032a5cdefb9f899a6a2
AgentTesla
b0f6052c071380b0413ba33ab5f888442bba649614a7102ade644d7195487bed
AgentTesla
b3c33339d1d526eebdd71c8ce0d1f3d0a12be1d5325e7678924e2bfc29a84181
AgentTesla
f4b7759a1a42ebd89a61ed697ca26661dff56719bbf254b7b1f400f3cf4487d1
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f638e03e33b24d736db2873b3dee14d8312731d040adb93265b99e21b94b3978
AgentTesla
+ 449 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
evasion spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/201012-c6gp41jx2e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
4951ac0526f553174ab6263d7af02821f01f7563f256ad57ed3f9425693cdc8d
MD5 hash:
84d092c3f341152121fa75b83569a7c8
SHA1 hash:
01a686ef8bf5fd110b8089d4998a7e88706b6583
Link:
https://www.unpac.me/results/4c2ff68a-0887-48e6-b850-b4c1c628b773/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/4c2ff68a-0887-48e6-b850-b4c1c628b773/
SH256 hash:
d2eb6151f4a7d0afb6469581925a1094df32438f91b5ed8a6e2628d40d9945e5
MD5 hash:
f518ad022b71f38d4572f8010d72e243
SHA1 hash:
be47087c150d0b4ffbb9215d1a94819b6948eb68
Link:
https://www.unpac.me/results/4c2ff68a-0887-48e6-b850-b4c1c628b773/
SH256 hash:
e82b0e9f31e5f656df4493fb7a485924b40844a0b6966aabf92bbc7c157844cf
MD5 hash:
24d30a1d90ad599bf50c2f6703e4a479
SHA1 hash:
dc3c8c0e8d2c3db1da65cee3022bbd36909e1b37
Link:
https://www.unpac.me/results/4c2ff68a-0887-48e6-b850-b4c1c628b773/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4951ac0526f553174ab6263d7af02821f01f7563f256ad57ed3f9425693cdc8d

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

gz 3001eb9d21940b58d0d70c73a53b7dbab2743fa459c9bba67d4a1e29b0f6b05a

AgentTesla

Executable exe 4951ac0526f553174ab6263d7af02821f01f7563f256ad57ed3f9425693cdc8d

(this sample)

  
Dropped by
MD5 9f6ef9c1a579a48ec9e1af5e4dd19ae0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3001eb9d21940b58d0d70c73a53b7dbab2743fa459c9bba67d4a1e29b0f6b05a
Cape
Cape
https://www.capesandbox.com/analysis/69964/

Comments