agenttesla | b0c845fb7294aa73ee7e3c697acc06ebf9a5e38f32425773b1c4e5aef5f58080

Analysis

max time kernel
135s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2023, 16:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SWIFTMT103-00391MBAP2308101.exe
Size

184KB
MD5

5c1393c9b7e4283108f4fbb93d375271
SHA1

9a435b7ebfbcd6603a6f15b18bd8c6c2a421eb1a
SHA256

d6db2fcf47febfec45cffbe8bb6ff254974492e8785812478407e979dddd5902
SHA512

c8bc07b63f83f29a4c5baa9b946e1953fb297d559c081b369730ff592b82bb07eae24f907c1e695f2e7684f885b23ae37b284ee28e126985175943f7a688ea37
SSDEEP

3072:EBd1rYw6nDIy7LJV0wg/LrbYMsJ3wh21VaqeEeTjurIVG3ExjEV5bL2C0gAm6:EBvteISIwg/LrkbwhtqeTnWIVhxjc5b1

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6120421924:AAHfDg3lTzDUW4O1CSc9eyT6zf8UpaOZqyY/

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.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.

flow	ioc
5	api.ipify.org
6	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4992 set thread context of 3764	4992	SWIFTMT103-00391MBAP2308101.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4992	SWIFTMT103-00391MBAP2308101.exe
4992	SWIFTMT103-00391MBAP2308101.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4992	SWIFTMT103-00391MBAP2308101.exe
Token: SeDebugPrivilege	3764	Caspol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3764	Caspol.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4964	4992	SWIFTMT103-00391MBAP2308101.exe	84
PID 4992 wrote to memory of 4964	4992	SWIFTMT103-00391MBAP2308101.exe	84
PID 4992 wrote to memory of 4964	4992	SWIFTMT103-00391MBAP2308101.exe	84
PID 4992 wrote to memory of 3764	4992	SWIFTMT103-00391MBAP2308101.exe	85
PID 4992 wrote to memory of 3764	4992	SWIFTMT103-00391MBAP2308101.exe	85
PID 4992 wrote to memory of 3764	4992	SWIFTMT103-00391MBAP2308101.exe	85
PID 4992 wrote to memory of 3764	4992	SWIFTMT103-00391MBAP2308101.exe	85
PID 4992 wrote to memory of 3764	4992	SWIFTMT103-00391MBAP2308101.exe	85
PID 4992 wrote to memory of 3764	4992	SWIFTMT103-00391MBAP2308101.exe	85
PID 4992 wrote to memory of 3764	4992	SWIFTMT103-00391MBAP2308101.exe	85
PID 4992 wrote to memory of 3764	4992	SWIFTMT103-00391MBAP2308101.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\SWIFTMT103-00391MBAP2308101.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFTMT103-00391MBAP2308101.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:4964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3764-134-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3764-136-0x0000000005AD0000-0x0000000006074000-memory.dmp

Filesize
5.6MB

Download
memory/3764-137-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/3764-138-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/3764-139-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/3764-140-0x0000000006C30000-0x0000000006CC2000-memory.dmp

Filesize
584KB

Download
memory/3764-141-0x0000000006CE0000-0x0000000006CEA000-memory.dmp

Filesize
40KB

Download
memory/3764-142-0x0000000006E90000-0x0000000006EE0000-memory.dmp

Filesize
320KB

Download
memory/3764-143-0x0000000007150000-0x0000000007312000-memory.dmp

Filesize
1.8MB

Download
memory/3764-150-0x0000000007020000-0x00000000070BC000-memory.dmp

Filesize
624KB

Download
memory/4992-133-0x0000029E13310000-0x0000029E1333C000-memory.dmp

Filesize
176KB

Download