MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3081a88581628513f3aeeb4a8a1749302968130017accaef9494458553d19091. 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: 3081a88581628513f3aeeb4a8a1749302968130017accaef9494458553d19091
SHA3-384 hash: 8b4211f3f797c4b1e698b12da1b6f5635b8318a97b72d1744cb462cc7f72faf407885f3b1ca870adc0328389bf97b4ed
SHA1 hash: 6a2dfa8145e3dfd7c7c66734b7aa4cc994a492b8
MD5 hash: 45f814f560cf45ab1b6207096e13fb58
humanhash: utah-blue-social-fifteen
File name:Proforma Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:737'280 bytes
First seen:2020-09-25 05:28:41 UTC
Last seen:2020-09-25 06:40:33 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:+3/9++rrv3dfF4BWOlQoWO7khcRF7NgaB0lDz+d2R+dRg:+31RrrFfF4BWON7kDZUdK
Threatray 9'304 similar samples on MalwareBazaar
TLSH 96F4AD2131653F0AE57A8BF40119B1B1C3E359552A31C698BF8B21FE97E6BC07E60B47
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/65704/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42595.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Packed2.42595.15562.10972.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
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Changing the hosts file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/474694
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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
Modifies the hosts file
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3081a88581628513f3aeeb4a8a1749302968130017accaef9494458553d19091/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-09-24 23:24:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gca2rbmbmkcrh45o5nfiuf2jgauwqeyac6wmv34usrcyku6rsciq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0ca1f0a08b7a21079683beeaf8bfa86df3d396b8d7a0cade52e963b78bd9a7e3
AgentTesla
3662a3b002337c0da8ad94925e3c183f0a2d35b0932f9d40b89643335f10564d
AgentTesla
3b4fb17419bd0e04f1ccd704484fd4f26f1a583871924641a52d4f9440301947
AgentTesla
3fa8d147ff833b5f17193a61ea67be8ee5105af5b9059877f2f3feb965d5e679
AgentTesla
516b29be6f0d91a249adca2b26381bfa5b90cf6a643d1b621095c6425a74795b
AgentTesla
6c7624c020bb11d5803286dc0fc1d9ee44d21be97207573051bcd322091a731b
AgentTesla
7d3b3cf7f9e17c1749c2f1fd4e8c2d15749657c6442574ca0b0e5f4ee5babbc1
AgentTesla
b5ed3dead9212794fe1c3d66ac26cb3aef679980fdf63100e517f876655b0575
AgentTesla
ccac5881ca9beeead13f5c7f05b289e9d3013a9eea7ce8a087dcb0aade9a60e2
AgentTesla
d17de71fad23c19ea4e181c8fe33be0fc230d15be13e6d3c755c77e7ff1519d5
AgentTesla
+ 9'294 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200925-2atw2mtq6x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5bc823dc90546af43067445ed31cc43e924d158169d5f64467d58f67a111ed10
MD5 hash:
4bc314145d592acbc8d432577704e96a
SHA1 hash:
fd142f1a9e0930bb1050b79f7f13ae4281ca5e43
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/7a427a99-3bc4-453c-99a8-0bdc743faf2a/
Parent samples :
3081a88581628513f3aeeb4a8a1749302968130017accaef9494458553d19091
3debe86aed6b6fc6dc5c6180f01a86289b819bdbd1f8b7241101e5798d88b469
SH256 hash:
3081a88581628513f3aeeb4a8a1749302968130017accaef9494458553d19091
MD5 hash:
45f814f560cf45ab1b6207096e13fb58
SHA1 hash:
6a2dfa8145e3dfd7c7c66734b7aa4cc994a492b8
Link:
https://www.unpac.me/results/7a427a99-3bc4-453c-99a8-0bdc743faf2a/
SH256 hash:
b33774b57b254025da8ea52c16a5a56c792723ea2cded8c5e50f3b6e6426f4d4
MD5 hash:
1b4566014187e0ecaac114964ecd9ca1
SHA1 hash:
62b04d7995c75f06be464cb5c25521ba3053f72e
Link:
https://www.unpac.me/results/7a427a99-3bc4-453c-99a8-0bdc743faf2a/
SH256 hash:
729a1b125fb330463c22a87c061e384300f49bd9d6793836bb3e52bcb61cc03f
MD5 hash:
ac3f427e66b28b013b0b651c2f71d1e9
SHA1 hash:
ddf8b4b1d36aced75740632b41d30add06b5db3d
Link:
https://www.unpac.me/results/7a427a99-3bc4-453c-99a8-0bdc743faf2a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/3081a88581628513f3aeeb4a8a1749302968130017accaef9494458553d19091

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

zip 3eb4f885f807167c64e5e02dd97cc5c90745ab1637b83fa41c91c470ba2900a5

AgentTesla

Executable exe 3081a88581628513f3aeeb4a8a1749302968130017accaef9494458553d19091

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3eb4f885f807167c64e5e02dd97cc5c90745ab1637b83fa41c91c470ba2900a5
Cape
Cape
https://www.capesandbox.com/analysis/65704/

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