MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ab4992a55bf19ce9d855ed0ff10f965e9d51f07b8b214436bbabd2f2ecd5c92. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ab4992a55bf19ce9d855ed0ff10f965e9d51f07b8b214436bbabd2f2ecd5c92
SHA3-384 hash: b1ed7db785e121696da35571109ea874d66b32a34c92b775fd39bc5822968081bbc2284993204add6d365379a58d3c1e
SHA1 hash: fb4a0e030e9abc65e91e3f5aea352283f800f1a0
MD5 hash: 0ddb60465a9873750e042d5583159bf1
humanhash: ack-uncle-lima-jupiter
File name:PO I-3ACT-PU-070 rev.01.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:936'960 bytes
First seen:2021-05-10 05:33:01 UTC
Last seen:2021-05-10 06:58:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:NKb2X+v0iooLLoS60/K7yh0DQLop4EbTeY21eW4/0TVSB6x6MM7tnaaaaaT5Uaaw:8b2X+v0iooLADQ44EbTeYWVlx6Mo
Threatray 4'639 similar samples on MalwareBazaar
TLSH 0115D46A71FC25E3E22A1B7663CB19064F243E306837990D4B6037F92A73F572935D89
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/153686/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.43091.30927.6679.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
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/720993
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts 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)
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 409426 Sample: PO I-3ACT-PU-070 rev.01.exe Startdate: 10/05/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 5 other signatures 2->51 7 PO I-3ACT-PU-070 rev.01.exe 6 2->7         started        12 gVRoVs.exe 2 2->12         started        14 gVRoVs.exe 1 2->14         started        process3 dnsIp4 43 192.168.2.1 unknown unknown 7->43 33 C:\Users\user\AppData\Local\Temp\tmpC6.tmp, XML 7->33 dropped 35 C:\Users\...\PO I-3ACT-PU-070 rev.01.exe.log, ASCII 7->35 dropped 37 C:\Users\user\AppData\...\gXaprFinLTWft.exe, PE32 7->37 dropped 61 Writes to foreign memory regions 7->61 63 Injects a PE file into a foreign processes 7->63 16 RegSvcs.exe 2 8 7->16         started        21 schtasks.exe 1 7->21         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        file5 signatures6 process7 dnsIp8 39 shamstone.com 67.205.125.37, 49743, 49744, 587 IWEB-ASCA Canada 16->39 41 mail.shamstone.com 16->41 29 C:\Users\user\AppData\Roaming\...\gVRoVs.exe, PE32 16->29 dropped 31 C:\Windows\System32\drivers\etc\hosts, ASCII 16->31 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->55 57 Tries to steal Mail credentials (via file access) 16->57 59 5 other signatures 16->59 27 conhost.exe 21->27         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3ab4992a55bf19ce9d855ed0ff10f965e9d51f07b8b214436bbabd2f2ecd5c92/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-10 02:29:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
4 of 46 (8.70%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hk2jsksvx4m45hmfl3ip6ehzmxu5khyhxczbiq3lxk6s6lwnlsja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
219a107d944dc880a18d48ac5f9627f68107289376ec2dc2ada387f0f371b1e8
AgentTesla
283915d333318f5e8e7f30cdf8f8f96723da7af6ddab9c29c6f0b5a687157aa4
AgentTesla
81de2a083840ca3b8e7fdf592f116a0a84c5042335d2f63c0c4ba7616f987200
AgentTesla
ab8e2a26102373b3323a707765f04a267c1630a1123068acbc3acc779276cdf7
AgentTesla
cc82ca8892ee89608d68cfcbde5d4268cf57a62468eb5f4ab0e95d778f05a9eb
AgentTesla
d07353ba2a6200dacc2759aac2bc71cd5bfa2ced963aa7659469c86677b46ad9
AgentTesla
d5e67d8afe482552613fba4bb051266e15a3f0325956154014047ea92ff7e77f
AgentTesla
d8f375ff3d5f10d50824fe6fe1470870661df05dccaf765454a91c019cf1a63c
AgentTesla
efb5ee93cfb2bdcf1a0391c00d3a8fbd23ffe6862fa302bef3a839e8f39453fa
AgentTesla
f14d7b8fe3caf1abed6941ba3a7cfbc7496edb3ca728a4c1060e306e7087ec61
AgentTesla
+ 4'629 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210510-t5x8v39zye/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
Link:
https://www.unpac.me/results/a1c576c6-6b21-4088-939d-1818b5727dfe/
SH256 hash:
35b610a73b038b90d6e9ad0ffd5b3262b21fadc60da6f9fc23fef4f4eaad8f03
MD5 hash:
99b697fff440cc7ad2e898d91b32d930
SHA1 hash:
b0d63f6544ff644fc97d9775368454df3b3f8cf5
Link:
https://www.unpac.me/results/a1c576c6-6b21-4088-939d-1818b5727dfe/
SH256 hash:
379d3e77bfc84de7fe5a516bba1b713e9b8e56bc9bf1c03794009f6f751a9afe
MD5 hash:
09e09839577e15974cf97872ad1f901b
SHA1 hash:
560f9f2dd9677cc7d3898c5b11277e4a9f8133b0
Link:
https://www.unpac.me/results/a1c576c6-6b21-4088-939d-1818b5727dfe/
SH256 hash:
3ab4992a55bf19ce9d855ed0ff10f965e9d51f07b8b214436bbabd2f2ecd5c92
MD5 hash:
0ddb60465a9873750e042d5583159bf1
SHA1 hash:
fb4a0e030e9abc65e91e3f5aea352283f800f1a0
Link:
https://www.unpac.me/results/a1c576c6-6b21-4088-939d-1818b5727dfe/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3ab4992a55bf19ce9d855ed0ff10f965e9d51f07b8b214436bbabd2f2ecd5c92

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 e0dd8bff476b1b88d6ed3ec43cf0d8dd711ab2fb7465561f989fd91cef444ca3

AgentTesla

Executable exe 3ab4992a55bf19ce9d855ed0ff10f965e9d51f07b8b214436bbabd2f2ecd5c92

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 e0dd8bff476b1b88d6ed3ec43cf0d8dd711ab2fb7465561f989fd91cef444ca3
Cape
Cape
https://www.capesandbox.com/analysis/153686/

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