agenttesla | 968a8beb6e28a3373c34727e3267517381b9108f1086cd5c7325a376cb19339b

General

Target

LOI.exe
Size

1.7MB
MD5

a9ec592de604f8cc9300e8160a2ee6d5
SHA1

2cfcc36239da64a6a7423335f70fccdfce30a554
SHA256

968a8beb6e28a3373c34727e3267517381b9108f1086cd5c7325a376cb19339b
SHA512

9695d5ea9c406d053b3aea16f2a63211ccaa5bfa1fac3005d9924eec0fa08f16e8c46a036c274853425f3dccdd0480ef999527f49653f637be8c1ebcf62dd3fe

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.qsons.pk
Port:
587
Username:
[email protected]
Password:
2018Kwa@

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2032-14-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2032-15-0x0000000000446AEE-mapping.dmp	family_agenttesla
behavioral1/memory/2032-17-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2032-18-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

pid	Process
1932	abobex.exe
2032	InstallUtil.exe

Loads dropped DLL 2 IoCs

pid	Process
1612	LOI.exe
1932	abobex.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\abobex = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\abobex.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 2032	1932	abobex.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1612	LOI.exe
1612	LOI.exe
1612	LOI.exe
1932	abobex.exe
1932	abobex.exe
1932	abobex.exe
2032	InstallUtil.exe
2032	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	LOI.exe
Token: SeDebugPrivilege	1932	abobex.exe
Token: SeDebugPrivilege	2032	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2032	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1768	1612	LOI.exe	24
PID 1612 wrote to memory of 1768	1612	LOI.exe	24
PID 1612 wrote to memory of 1768	1612	LOI.exe	24
PID 1612 wrote to memory of 1768	1612	LOI.exe	24
PID 1768 wrote to memory of 1792	1768	cmd.exe	26
PID 1768 wrote to memory of 1792	1768	cmd.exe	26
PID 1768 wrote to memory of 1792	1768	cmd.exe	26
PID 1768 wrote to memory of 1792	1768	cmd.exe	26
PID 1612 wrote to memory of 1932	1612	LOI.exe	27
PID 1612 wrote to memory of 1932	1612	LOI.exe	27
PID 1612 wrote to memory of 1932	1612	LOI.exe	27
PID 1612 wrote to memory of 1932	1612	LOI.exe	27
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30
PID 1932 wrote to memory of 2032	1932	abobex.exe	30

C:\Users\Admin\AppData\Local\Temp\LOI.exe
"C:\Users\Admin\AppData\Local\Temp\LOI.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v abobex /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v abobex /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exe"
    3⤵
    - Adds Run key to start application
    PID:1792
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2032-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2032-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2032-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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