agenttesla | 9711294918a8cc2e424c2bd81b3c81b8f8d939e1c761588399c9fcde7a2d0ec3

General

Target

5190672.exe
Size

658KB
MD5

131fc2043b4c740cb1a3bd4a8398a780
SHA1

041be9bfdbed62d56906f5fe2ebdad0f1f7037d5
SHA256

191529d733524665838e0d27b44844ca0a3c914d8577d4f2d8c8b93ea4a7729a
SHA512

e2f5bd59a57b4a47756643e8395d9b8bdf2d1b02e3f4eb20409195027d7921e7614153b93efda90daa00e31cfd72f4f1e26774121d90b3995e681463c69af31c
SSDEEP

12288:74DM4ky4LFhqvVeACFUYvHoIlC/BEzOCHHwaMgUa3EKrgXcsznauIimOMt+k:7Zy4LFyefHNlw+zOCnwapHrcPnbIimX

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.asiaparadisehotel.com
Port:
587
Username:
[email protected]
Password:
06bietthunhatrang
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
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

Processes:

5190672.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5190672.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5190672.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5190672.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5190672.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\eubJfun = "C:\\Users\\Admin\\AppData\\Roaming\\eubJfun\\eubJfun.exe"	5190672.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

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

5190672.exe

description pid process target process

PID 1148 set thread context of 1916 1148 5190672.exe 5190672.exe
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

Processes:

schtasks.exe

pid process

564 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

5190672.exepowershell.exe

pid process

1148 5190672.exe
1148 5190672.exe
1236 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

5190672.exe5190672.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1148 5190672.exe
Token: SeDebugPrivilege 1916 5190672.exe
Token: SeDebugPrivilege 1236 powershell.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1148 set thread context of 1916	1148	5190672.exe	5190672.exe

pid	process
564	schtasks.exe

pid	process
1148	5190672.exe
1148	5190672.exe
1236	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1148	5190672.exe
Token: SeDebugPrivilege	1916	5190672.exe
Token: SeDebugPrivilege	1236	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

5190672.exe

description	pid	process	target process
PID 1148 wrote to memory of 1236	1148	5190672.exe	powershell.exe
PID 1148 wrote to memory of 1236	1148	5190672.exe	powershell.exe
PID 1148 wrote to memory of 1236	1148	5190672.exe	powershell.exe
PID 1148 wrote to memory of 1236	1148	5190672.exe	powershell.exe
PID 1148 wrote to memory of 564	1148	5190672.exe	schtasks.exe
PID 1148 wrote to memory of 564	1148	5190672.exe	schtasks.exe
PID 1148 wrote to memory of 564	1148	5190672.exe	schtasks.exe
PID 1148 wrote to memory of 564	1148	5190672.exe	schtasks.exe
PID 1148 wrote to memory of 1916	1148	5190672.exe	5190672.exe
PID 1148 wrote to memory of 1916	1148	5190672.exe	5190672.exe
PID 1148 wrote to memory of 1916	1148	5190672.exe	5190672.exe
PID 1148 wrote to memory of 1916	1148	5190672.exe	5190672.exe
PID 1148 wrote to memory of 1916	1148	5190672.exe	5190672.exe
PID 1148 wrote to memory of 1916	1148	5190672.exe	5190672.exe
PID 1148 wrote to memory of 1916	1148	5190672.exe	5190672.exe
PID 1148 wrote to memory of 1916	1148	5190672.exe	5190672.exe
PID 1148 wrote to memory of 1916	1148	5190672.exe	5190672.exe

outlook_office_path 1 IoCs

Processes:

5190672.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5190672.exe

outlook_win_path 1 IoCs

Processes:

5190672.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5190672.exe

C:\Users\Admin\AppData\Local\Temp\5190672.exe
"C:\Users\Admin\AppData\Local\Temp\5190672.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1148

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PQCrUHKoqi.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1236

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PQCrUHKoqi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB877.tmp"
2⤵
- Creates scheduled task(s)
PID:564

C:\Users\Admin\AppData\Local\Temp\5190672.exe
"C:\Users\Admin\AppData\Local\Temp\5190672.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1916

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB877.tmp
Filesize
1KB

MD5
3293b619b61ec0724165e051fe4c8a25

SHA1
731c7d7f794fcf0837dd5f50d3dac647c09ec81e

SHA256
fd650eabcf1e7e0c03092b07cde5b476b3d49b2c19c5d02468b7a89799771a6c

SHA512
5819a2c0931953faaa68c891f8a00f5938c3085849c8bf1077383c0a4e87f05369dbee37991c903171dccd49bd9560b6362d0518ad75ed7076f1b74b8ce09f07

Download Submit
memory/1148-55-0x00000000004A0000-0x00000000004AE000-memory.dmp

Filesize
56KB

Download
memory/1148-56-0x00000000004F0000-0x0000000000530000-memory.dmp

Filesize
256KB

Download
memory/1148-57-0x00000000004F0000-0x0000000000530000-memory.dmp

Filesize
256KB

Download
memory/1148-58-0x00000000004B0000-0x00000000004BC000-memory.dmp

Filesize
48KB

Download
memory/1148-59-0x00000000055D0000-0x0000000005648000-memory.dmp

Filesize
480KB

Download
memory/1148-67-0x0000000004800000-0x0000000004832000-memory.dmp

Filesize
200KB

Download
memory/1148-54-0x0000000000C00000-0x0000000000CAA000-memory.dmp

Filesize
680KB

Download
memory/1236-79-0x00000000027B0000-0x00000000027F0000-memory.dmp

Filesize
256KB

Download
memory/1916-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1916-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-78-0x0000000004C70000-0x0000000004CB0000-memory.dmp

Filesize
256KB

Download
memory/1916-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-98-0x0000000004C70000-0x0000000004CB0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads