agenttesla | eeff87f3b345b9b42f721cfdd82fa81e229c7599ef4a24d3af914e2740a7a44c

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
21-11-2023 02:01

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General

Target

231121-04-AgentTesla-41c205.exe
Size

682KB
MD5

e1170fe494e6a857b4423a366207b811
SHA1

41c205dee65f1e2171919a1e1811d63f28ca1fa7
SHA256

147030ad2b34a1be1d22bf564cae6d2a858c37d9237d97e28050bf32dc8c5a40
SHA512

73165b97bb059da3cebac54ce1659dd13d21e7021aca5d32850bad91b85e47f802099b0e9bdc7665aa8eb16c776cfdba6d88867ed30ff6c5abc59e6e190d47a1
SSDEEP

12288:EeQXucvCeAeQseQKPJkSCzG8d7hq0vwS3RmF6qc96zXFSjwuaQzpccW0S2kZwh:Ee4ucqeAete9JkVzGC7hvvP3+6v9KXsM

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
cash@com12345
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:

231121-04-AgentTesla-41c205.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\Micosoft Excel 2023 = "C:\\Users\\Admin\\AppData\\Roaming\\Micosoft Excel 2023\\Micosoft Excel 2023.exe"	231121-04-AgentTesla-41c205.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

231121-04-AgentTesla-41c205.exe

description pid process target process

PID 2032 set thread context of 2824 2032 231121-04-AgentTesla-41c205.exe 231121-04-AgentTesla-41c205.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

2332 schtasks.exe

description	pid	process	target process
PID 2032 set thread context of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe

pid	process
2332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

231121-04-AgentTesla-41c205.exe231121-04-AgentTesla-41c205.exepowershell.exe

pid	process
2032	231121-04-AgentTesla-41c205.exe
2032	231121-04-AgentTesla-41c205.exe
2032	231121-04-AgentTesla-41c205.exe
2032	231121-04-AgentTesla-41c205.exe
2824	231121-04-AgentTesla-41c205.exe
2824	231121-04-AgentTesla-41c205.exe
2312	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

231121-04-AgentTesla-41c205.exe231121-04-AgentTesla-41c205.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2032	231121-04-AgentTesla-41c205.exe
Token: SeDebugPrivilege	2824	231121-04-AgentTesla-41c205.exe
Token: SeDebugPrivilege	2312	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

231121-04-AgentTesla-41c205.exe

C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe
"C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wztCfj.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2312
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wztCfj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80C4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2332
- C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe
  "C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe"
  2⤵
  PID:2688
- C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe
  "C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe"
  2⤵
  PID:2788
- C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe
  "C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2824

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp80C4.tmp

Filesize
1KB

MD5
1bdec2d5e6de42a622025079c8b5bf3c

SHA1
3a4d8edcaf84d2f50ec0a6e0ead6e3552be768fe

SHA256
7febafabe034c5971dd4cdaeb6ea5197295022f1a24702be4009947a9e4121ae

SHA512
f60e49fa24ac2448c9e215b1ba27a6a5fb8345d99ccb7bff7de46e966df455d64ee642d57cff8da10904f13b74696c52c3d43b419e09b687fa07893140bfdb5b

Download Submit
C:\Users\Admin\AppData\Roaming\Micosoft Excel 2023\Micosoft Excel 2023.exe

Filesize
682KB

MD5
e1170fe494e6a857b4423a366207b811

SHA1
41c205dee65f1e2171919a1e1811d63f28ca1fa7

SHA256
147030ad2b34a1be1d22bf564cae6d2a858c37d9237d97e28050bf32dc8c5a40

SHA512
73165b97bb059da3cebac54ce1659dd13d21e7021aca5d32850bad91b85e47f802099b0e9bdc7665aa8eb16c776cfdba6d88867ed30ff6c5abc59e6e190d47a1

Download Submit
memory/2032-3-0x00000000003C0000-0x00000000003D0000-memory.dmp

Filesize
64KB

Download
memory/2032-4-0x00000000004F0000-0x00000000004F8000-memory.dmp

Filesize
32KB

Download
memory/2032-5-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/2032-6-0x0000000004C60000-0x0000000004CDC000-memory.dmp

Filesize
496KB

Download
memory/2032-2-0x0000000004D00000-0x0000000004D40000-memory.dmp

Filesize
256KB

Download
memory/2032-1-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2032-0-0x0000000000290000-0x0000000000340000-memory.dmp

Filesize
704KB

Download
memory/2032-23-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2312-26-0x000000006E8A0000-0x000000006EE4B000-memory.dmp

Filesize
5.7MB

Download
memory/2312-34-0x000000006E8A0000-0x000000006EE4B000-memory.dmp

Filesize
5.7MB

Download
memory/2312-31-0x0000000002460000-0x00000000024A0000-memory.dmp

Filesize
256KB

Download
memory/2312-30-0x0000000002460000-0x00000000024A0000-memory.dmp

Filesize
256KB

Download
memory/2312-28-0x000000006E8A0000-0x000000006EE4B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2824-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2824-27-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2824-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2824-29-0x0000000004C20000-0x0000000004C60000-memory.dmp

Filesize
256KB

Download
memory/2824-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2824-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2824-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2824-35-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-36-0x0000000004C20000-0x0000000004C60000-memory.dmp

Filesize
256KB

Download

description	pid	process	target process
PID 2032 wrote to memory of 2312	2032	231121-04-AgentTesla-41c205.exe	powershell.exe
PID 2032 wrote to memory of 2312	2032	231121-04-AgentTesla-41c205.exe	powershell.exe
PID 2032 wrote to memory of 2312	2032	231121-04-AgentTesla-41c205.exe	powershell.exe
PID 2032 wrote to memory of 2312	2032	231121-04-AgentTesla-41c205.exe	powershell.exe
PID 2032 wrote to memory of 2332	2032	231121-04-AgentTesla-41c205.exe	schtasks.exe
PID 2032 wrote to memory of 2332	2032	231121-04-AgentTesla-41c205.exe	schtasks.exe
PID 2032 wrote to memory of 2332	2032	231121-04-AgentTesla-41c205.exe	schtasks.exe
PID 2032 wrote to memory of 2332	2032	231121-04-AgentTesla-41c205.exe	schtasks.exe
PID 2032 wrote to memory of 2688	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2688	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2688	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2688	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2788	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2788	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2788	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2788	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe
PID 2032 wrote to memory of 2824	2032	231121-04-AgentTesla-41c205.exe	231121-04-AgentTesla-41c205.exe