agenttesla | 9da867d7389572ebc80385d6d6bff96c351f5ef3036636c3ce5778ab06ce653d

General

Target

DO2001399_pdf.exe

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.soonlogistics.com
Port:
587
Username:
[email protected]
Password:
admin6640!

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3344-11-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral2/memory/3344-12-0x0000000000446C9E-mapping.dmp	family_agenttesla

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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DO2001399_pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	DO2001399_pdf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs

Processes:

DO2001399_pdf.exe

pid	process
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DO2001399_pdf.exe

description pid process target process

PID 4052 set thread context of 3344 4052 DO2001399_pdf.exe DO2001399_pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3236 4052 WerFault.exe DO2001399_pdf.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2640 timeout.exe

description	pid	process	target process
PID 4052 set thread context of 3344	4052	DO2001399_pdf.exe	DO2001399_pdf.exe

pid	pid_target	process	target process
3236	4052	WerFault.exe	DO2001399_pdf.exe

pid	process
2640	timeout.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

DO2001399_pdf.exeWerFault.exeDO2001399_pdf.exe

pid	process
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
4052	DO2001399_pdf.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3236	WerFault.exe
3344	DO2001399_pdf.exe
3344	DO2001399_pdf.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

DO2001399_pdf.exeWerFault.exeDO2001399_pdf.exe

description	pid	process
Token: SeDebugPrivilege	4052	DO2001399_pdf.exe
Token: SeRestorePrivilege	3236	WerFault.exe
Token: SeBackupPrivilege	3236	WerFault.exe
Token: SeDebugPrivilege	3236	WerFault.exe
Token: SeDebugPrivilege	3344	DO2001399_pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DO2001399_pdf.exe

pid process

3344 DO2001399_pdf.exe

pid	process
3344	DO2001399_pdf.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

DO2001399_pdf.execmd.exe

description	pid	process	target process
PID 4052 wrote to memory of 3524	4052	DO2001399_pdf.exe	cmd.exe
PID 4052 wrote to memory of 3524	4052	DO2001399_pdf.exe	cmd.exe
PID 4052 wrote to memory of 3524	4052	DO2001399_pdf.exe	cmd.exe
PID 3524 wrote to memory of 2640	3524	cmd.exe	timeout.exe
PID 3524 wrote to memory of 2640	3524	cmd.exe	timeout.exe
PID 3524 wrote to memory of 2640	3524	cmd.exe	timeout.exe
PID 4052 wrote to memory of 3344	4052	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 4052 wrote to memory of 3344	4052	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 4052 wrote to memory of 3344	4052	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 4052 wrote to memory of 3344	4052	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 4052 wrote to memory of 3344	4052	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 4052 wrote to memory of 3344	4052	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 4052 wrote to memory of 3344	4052	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 4052 wrote to memory of 3344	4052	DO2001399_pdf.exe	DO2001399_pdf.exe

C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4052

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:2640

C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 1840
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3236

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2640-9-0x0000000000000000-mapping.dmp

Download
memory/3236-19-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/3344-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3344-20-0x0000000005320000-0x0000000005321000-memory.dmp

Filesize
4KB

Download
memory/3344-24-0x00000000053E1000-0x00000000053E2000-memory.dmp

Filesize
4KB

Download
memory/3344-23-0x00000000062A0000-0x00000000062A1000-memory.dmp

Filesize
4KB

Download
memory/3344-22-0x0000000006A20000-0x0000000006A21000-memory.dmp

Filesize
4KB

Download
memory/3344-21-0x0000000005F00000-0x0000000005F01000-memory.dmp

Filesize
4KB

Download
memory/3344-12-0x0000000000446C9E-mapping.dmp

Download
memory/3344-13-0x0000000073820000-0x0000000073F0E000-memory.dmp

Filesize
6.9MB

Download
memory/3344-18-0x00000000053E0000-0x00000000053E1000-memory.dmp

Filesize
4KB

Download
memory/3524-8-0x0000000000000000-mapping.dmp

Download
memory/4052-5-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/4052-3-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/4052-2-0x0000000073820000-0x0000000073F0E000-memory.dmp

Filesize
6.9MB

Download
memory/4052-10-0x00000000085D0000-0x00000000085D1000-memory.dmp

Filesize
4KB

Download
memory/4052-6-0x0000000006AA0000-0x0000000006AA1000-memory.dmp

Filesize
4KB

Download
memory/4052-7-0x00000000028C0000-0x0000000002916000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads