agenttesla | 98a2f66448ca24ca21b3eec2a46b6d010c9d38cf1d5fcc3bd5eae8b6d346854b

General

Target

Payment_Advice.exe
Size

945KB
MD5

3fc229b344053ff2fea4c8c4d521b178
SHA1

d0e67eab583f11b1722cd20cf8e228bcf30d368c
SHA256

98a2f66448ca24ca21b3eec2a46b6d010c9d38cf1d5fcc3bd5eae8b6d346854b
SHA512

ca5cbb1448699b341fa6002462d60154491e82783f054cbbee2c95b354e29bae357195029e360069ecffd4f0f62841b52e40dbd63b58e39d85c2fd861103475f
SSDEEP

12288:jSFkoX7OSnzUf392egEHy6HEqm+n6jg2WdDnLmbJZ9ENyjJvJ9u:MlUf392egAy6HSYH9nLUnf9

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

http://141.98.6.75/500/inc/9bce52518beca5.php

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\excel = "C:\\Users\\Admin\\AppData\\Local\\Temp\\excel\\excel.exe"	Payment_Advice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1476 set thread context of 1100	1476	Payment_Advice.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 4 IoCs

pid	Process
1476	Payment_Advice.exe
1100	Payment_Advice.exe
1100	Payment_Advice.exe
840	powershell.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1100	Payment_Advice.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1476	Payment_Advice.exe
Token: SeDebugPrivilege	1100	Payment_Advice.exe
Token: SeDebugPrivilege	840	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1100	Payment_Advice.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 840	1476	Payment_Advice.exe	27
PID 1476 wrote to memory of 840	1476	Payment_Advice.exe	27
PID 1476 wrote to memory of 840	1476	Payment_Advice.exe	27
PID 1476 wrote to memory of 840	1476	Payment_Advice.exe	27
PID 1476 wrote to memory of 1116	1476	Payment_Advice.exe	29
PID 1476 wrote to memory of 1116	1476	Payment_Advice.exe	29
PID 1476 wrote to memory of 1116	1476	Payment_Advice.exe	29
PID 1476 wrote to memory of 1116	1476	Payment_Advice.exe	29
PID 1476 wrote to memory of 1100	1476	Payment_Advice.exe	30
PID 1476 wrote to memory of 1100	1476	Payment_Advice.exe	30
PID 1476 wrote to memory of 1100	1476	Payment_Advice.exe	30
PID 1476 wrote to memory of 1100	1476	Payment_Advice.exe	30
PID 1476 wrote to memory of 1100	1476	Payment_Advice.exe	30
PID 1476 wrote to memory of 1100	1476	Payment_Advice.exe	30
PID 1476 wrote to memory of 1100	1476	Payment_Advice.exe	30
PID 1476 wrote to memory of 1100	1476	Payment_Advice.exe	30
PID 1476 wrote to memory of 1100	1476	Payment_Advice.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe

C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1476
- 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\Payment_Advice.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:840
- C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
  2⤵
  PID:1116
- C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1100

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/840-75-0x000000006FBB0000-0x000000007015B000-memory.dmp

Filesize
5.7MB

Download
memory/840-74-0x000000006FBB0000-0x000000007015B000-memory.dmp

Filesize
5.7MB

Download
memory/1100-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1100-72-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1100-70-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1100-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1100-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1100-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1100-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1476-58-0x0000000007F70000-0x0000000008004000-memory.dmp

Filesize
592KB

Download
memory/1476-54-0x0000000000CD0000-0x0000000000DC2000-memory.dmp

Filesize
968KB

Download
memory/1476-60-0x0000000005120000-0x000000000515C000-memory.dmp

Filesize
240KB

Download
memory/1476-57-0x00000000007C0000-0x00000000007CC000-memory.dmp

Filesize
48KB

Download
memory/1476-56-0x0000000000240000-0x000000000025A000-memory.dmp

Filesize
104KB

Download
memory/1476-55-0x0000000075E51000-0x0000000075E53000-memory.dmp

Filesize
8KB

Download

Analysis

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