agenttesla | eeff87f3b345b9b42f721cfdd82fa81e229c7599ef4a24d3af914e2740a7a44c

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
21-11-2023 02:01

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General

Target

231121-10-AgentTesla-a77eec.exe
Size

682KB
MD5

c071299e1ba6c56f89ed021f525fc862
SHA1

a77eec03ccb9f7531d294215afe1394f3622bc66
SHA256

4d89869a7e7a654cb5ffd4a30465332edfe478d0d00d841145ef082bee50e632
SHA512

62d4c5fe00270bb7ab4b4446506b701128b86aa6aa371f63b95e1254221bcc73ccadd80194d1533f885a3cd1b5eb915ca09243e36a1612df68faf6961d81c889
SSDEEP

12288:TeQXucvCeAeQseQWVmKDBBHvpKstZ5QReF1FIWJtr8XQrDwdzDwVUubu8d:Te4ucqeAeterLVBPpKeZ5QKIWjcQnMDt

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.premiermotor.com.bn
Port:
587
Username:
[email protected]
Password:
e3Q9hj?1
Email To:
[email protected]

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
T1552.001
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
T1552.001
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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

231121-10-AgentTesla-a77eec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows\CurrentVersion\Run\HqAJrII = "C:\\Users\\Admin\\AppData\\Roaming\\HqAJrII\\HqAJrII.exe"	231121-10-AgentTesla-a77eec.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.ipify.org
3 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

231121-10-AgentTesla-a77eec.exe

description pid process target process

PID 2588 set thread context of 2524 2588 231121-10-AgentTesla-a77eec.exe 231121-10-AgentTesla-a77eec.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2724 schtasks.exe

flow	ioc
2	api.ipify.org
3	api.ipify.org

description	pid	process	target process
PID 2588 set thread context of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe

pid	process
2724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

231121-10-AgentTesla-a77eec.exe231121-10-AgentTesla-a77eec.exepowershell.exepowershell.exe

pid	process
2588	231121-10-AgentTesla-a77eec.exe
2588	231121-10-AgentTesla-a77eec.exe
2588	231121-10-AgentTesla-a77eec.exe
2524	231121-10-AgentTesla-a77eec.exe
2524	231121-10-AgentTesla-a77eec.exe
2604	powershell.exe
2432	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

231121-10-AgentTesla-a77eec.exe231121-10-AgentTesla-a77eec.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2588	231121-10-AgentTesla-a77eec.exe
Token: SeDebugPrivilege	2524	231121-10-AgentTesla-a77eec.exe
Token: SeDebugPrivilege	2604	powershell.exe
Token: SeDebugPrivilege	2432	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

231121-10-AgentTesla-a77eec.exe

description	pid	process	target process
PID 2588 wrote to memory of 2604	2588	231121-10-AgentTesla-a77eec.exe	powershell.exe
PID 2588 wrote to memory of 2604	2588	231121-10-AgentTesla-a77eec.exe	powershell.exe
PID 2588 wrote to memory of 2604	2588	231121-10-AgentTesla-a77eec.exe	powershell.exe
PID 2588 wrote to memory of 2604	2588	231121-10-AgentTesla-a77eec.exe	powershell.exe
PID 2588 wrote to memory of 2432	2588	231121-10-AgentTesla-a77eec.exe	powershell.exe
PID 2588 wrote to memory of 2432	2588	231121-10-AgentTesla-a77eec.exe	powershell.exe
PID 2588 wrote to memory of 2432	2588	231121-10-AgentTesla-a77eec.exe	powershell.exe
PID 2588 wrote to memory of 2432	2588	231121-10-AgentTesla-a77eec.exe	powershell.exe
PID 2588 wrote to memory of 2724	2588	231121-10-AgentTesla-a77eec.exe	schtasks.exe
PID 2588 wrote to memory of 2724	2588	231121-10-AgentTesla-a77eec.exe	schtasks.exe
PID 2588 wrote to memory of 2724	2588	231121-10-AgentTesla-a77eec.exe	schtasks.exe
PID 2588 wrote to memory of 2724	2588	231121-10-AgentTesla-a77eec.exe	schtasks.exe
PID 2588 wrote to memory of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe
PID 2588 wrote to memory of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe
PID 2588 wrote to memory of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe
PID 2588 wrote to memory of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe
PID 2588 wrote to memory of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe
PID 2588 wrote to memory of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe
PID 2588 wrote to memory of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe
PID 2588 wrote to memory of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe
PID 2588 wrote to memory of 2524	2588	231121-10-AgentTesla-a77eec.exe	231121-10-AgentTesla-a77eec.exe

C:\Users\Admin\AppData\Local\Temp\231121-10-AgentTesla-a77eec.exe
"C:\Users\Admin\AppData\Local\Temp\231121-10-AgentTesla-a77eec.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\231121-10-AgentTesla-a77eec.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2604
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PXnHDXIN.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2432
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PXnHDXIN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF49.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2724
- C:\Users\Admin\AppData\Local\Temp\231121-10-AgentTesla-a77eec.exe
  "C:\Users\Admin\AppData\Local\Temp\231121-10-AgentTesla-a77eec.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBF49.tmp

Filesize
1KB

MD5
1f1c2907eb24e66efd52bdd7a5a58fa3

SHA1
4e063183c874a3347abda5a2e8311f1d30276341

SHA256
909ecae8075ea364b9f971567502996bf67b06fe12087a6bb2f1ad43077ac815

SHA512
2630cdfa056af47e105585e28795b11ed9fa548fb9abfb6faca0ccac27919cd7f1190f5449d023c0b3d50c1966caa8d322a31bec16e3e8040cb0de639612dfb2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9G18HEP7WOHV1U7OCQ4T.temp

Filesize
7KB

MD5
6e8816180b25fde0512aceadf989e9fb

SHA1
52b90c892271f6d41bc8fcfe88ffaacff88cd67d

SHA256
dd1f9a3fb236e2be091c60af768b90d4471ae7452fda5d477a721674f7b916b7

SHA512
62446bb8fe6fa7e6e5760592a57ebdd6d78d9406498d04b414f19de6b0af2197516fefd0ac38af7b48ae71cb89c68907249271217a53022ed74f338600685105

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
6e8816180b25fde0512aceadf989e9fb

SHA1
52b90c892271f6d41bc8fcfe88ffaacff88cd67d

SHA256
dd1f9a3fb236e2be091c60af768b90d4471ae7452fda5d477a721674f7b916b7

SHA512
62446bb8fe6fa7e6e5760592a57ebdd6d78d9406498d04b414f19de6b0af2197516fefd0ac38af7b48ae71cb89c68907249271217a53022ed74f338600685105

Download Submit
memory/2432-39-0x000000006DC20000-0x000000006E1CB000-memory.dmp

Filesize
5.7MB

Download
memory/2432-44-0x000000006DC20000-0x000000006E1CB000-memory.dmp

Filesize
5.7MB

Download
memory/2432-37-0x0000000002550000-0x0000000002590000-memory.dmp

Filesize
256KB

Download
memory/2432-36-0x000000006DC20000-0x000000006E1CB000-memory.dmp

Filesize
5.7MB

Download
memory/2432-41-0x0000000002550000-0x0000000002590000-memory.dmp

Filesize
256KB

Download
memory/2524-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-43-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2524-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2524-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-42-0x00000000048B0000-0x00000000048F0000-memory.dmp

Filesize
256KB

Download
memory/2524-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-34-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-47-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2524-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2588-3-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/2588-4-0x0000000000410000-0x0000000000418000-memory.dmp

Filesize
32KB

Download
memory/2588-5-0x0000000000420000-0x000000000042A000-memory.dmp

Filesize
40KB

Download
memory/2588-0-0x0000000000A80000-0x0000000000B30000-memory.dmp

Filesize
704KB

Download
memory/2588-31-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2588-21-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2588-1-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2588-2-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/2588-6-0x0000000004E30000-0x0000000004EAC000-memory.dmp

Filesize
496KB

Download
memory/2604-35-0x000000006DC20000-0x000000006E1CB000-memory.dmp

Filesize
5.7MB

Download
memory/2604-38-0x0000000002520000-0x0000000002560000-memory.dmp

Filesize
256KB

Download
memory/2604-40-0x000000006DC20000-0x000000006E1CB000-memory.dmp

Filesize
5.7MB

Download
memory/2604-45-0x000000006DC20000-0x000000006E1CB000-memory.dmp

Filesize
5.7MB

Download