agenttesla | acb576edbe932e77bedba1dcbd7cbf32cad8ff85bd206cfb1957a8733b5b3385

General

Target

Purchase order.exe
Size

748KB
MD5

cb79dcc14ef80b76b3232932f13fcb28
SHA1

615f3aacb6c2577dd39c33e0d7839fdde1c42306
SHA256

acb576edbe932e77bedba1dcbd7cbf32cad8ff85bd206cfb1957a8733b5b3385
SHA512

943c06fa4372c1e1cf2c2dc60967aa83244b850cf0076b88d9384f75d81d108140337d1474196f0299056108fe20e650838130b346ce512b8cde1c310e429404
SSDEEP

12288:DxbI2iNPGm2jZbaMDxSmiPIPexKi5ADqjJ5nC:e19Z2VbaMDPiP8/sjrC

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.hussain-co.com
Port:
587
Username:
[email protected]
Password:
%%finance_@2018%

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 1664	1900	Purchase order.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1900	Purchase order.exe
1900	Purchase order.exe
1664	Purchase order.exe
1664	Purchase order.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	Purchase order.exe
Token: SeDebugPrivilege	1664	Purchase order.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 1204	1900	Purchase order.exe	27
PID 1900 wrote to memory of 1204	1900	Purchase order.exe	27
PID 1900 wrote to memory of 1204	1900	Purchase order.exe	27
PID 1900 wrote to memory of 1204	1900	Purchase order.exe	27
PID 1900 wrote to memory of 1968	1900	Purchase order.exe	29
PID 1900 wrote to memory of 1968	1900	Purchase order.exe	29
PID 1900 wrote to memory of 1968	1900	Purchase order.exe	29
PID 1900 wrote to memory of 1968	1900	Purchase order.exe	29
PID 1900 wrote to memory of 1664	1900	Purchase order.exe	30
PID 1900 wrote to memory of 1664	1900	Purchase order.exe	30
PID 1900 wrote to memory of 1664	1900	Purchase order.exe	30
PID 1900 wrote to memory of 1664	1900	Purchase order.exe	30
PID 1900 wrote to memory of 1664	1900	Purchase order.exe	30
PID 1900 wrote to memory of 1664	1900	Purchase order.exe	30
PID 1900 wrote to memory of 1664	1900	Purchase order.exe	30
PID 1900 wrote to memory of 1664	1900	Purchase order.exe	30
PID 1900 wrote to memory of 1664	1900	Purchase order.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IdsJsAXg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6BE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1204
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "{path}"
  2⤵
  PID:1968
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF6BE.tmp

Filesize
1KB

MD5
0c6d529043ead25dbfda15255c7db31e

SHA1
5e5a56f1e69fa9601b8cda62669831fd6538fff8

SHA256
e7e44123f5b796113fdfe35ddb429e0ef64f846f62d1bc26a9cd550c5d54c87d

SHA512
ccdbdcf926aefe2cfb1943274ebc6b20bbb84d458ee75ec29a480fa133f2a79832d6cc47f4d18bbdb6d7a720ed933bf9f9cc1ec528663f170c88a108deb8c37f

Download Submit
memory/1664-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1664-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1664-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1664-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1664-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1664-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1664-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1900-57-0x0000000004A40000-0x0000000004ABA000-memory.dmp

Filesize
488KB

Download
memory/1900-58-0x0000000000C30000-0x0000000000C6A000-memory.dmp

Filesize
232KB

Download
memory/1900-56-0x00000000002B0000-0x00000000002D0000-memory.dmp

Filesize
128KB

Download
memory/1900-55-0x0000000075131000-0x0000000075133000-memory.dmp

Filesize
8KB

Download
memory/1900-54-0x0000000000DF0000-0x0000000000EB0000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads