agenttesla | 0c0931a4cd15ff3eac97647cc00d2872fa4898858c0319b0897fa5bf3776cf9a

Analysis

max time kernel
31s
max time network
132s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
19/05/2023, 12:09

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General

Target

PO9839383.exe
Size

238KB
MD5

a5c83c6ebe289f10bc234898385e889e
SHA1

22d30090942fc7b1f266028450cf05c72d82f4c5
SHA256

bd176aba121ee1111813afe94594ee38b7773dc660833775dd289060db7fe6af
SHA512

bbf7a51fcc80498c27f6432cddce72fbf19e37a83ea828d050b2f0ebb04baa13971534f1ef86178960178ba6493e04143471e19da0cd8906841d091dea87e05f
SSDEEP

6144:2MMEA9YT6HlpvxlktuwpWJe21UZpeo1ObSFRXXpvj5:XYYWFvlauwpnbnIyRXXb

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6225839139:AAHOVxUdRr3_xezeR4e_GlriGQEKuUFBpW0/

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-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\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
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1496 set thread context of 1348	1496	PO9839383.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1348	Caspol.exe
1348	Caspol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1348	Caspol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1348	Caspol.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1348	1496	PO9839383.exe	28
PID 1496 wrote to memory of 1348	1496	PO9839383.exe	28
PID 1496 wrote to memory of 1348	1496	PO9839383.exe	28
PID 1496 wrote to memory of 1348	1496	PO9839383.exe	28
PID 1496 wrote to memory of 1348	1496	PO9839383.exe	28
PID 1496 wrote to memory of 1348	1496	PO9839383.exe	28
PID 1496 wrote to memory of 1348	1496	PO9839383.exe	28
PID 1496 wrote to memory of 1348	1496	PO9839383.exe	28
PID 1496 wrote to memory of 1348	1496	PO9839383.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\PO9839383.exe
"C:\Users\Admin\AppData\Local\Temp\PO9839383.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1496
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1348

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

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Downloads

memory/1348-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1348-57-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1348-58-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1348-59-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1348-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1348-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1348-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1348-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1348-67-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/1348-91-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/1496-55-0x0000000000390000-0x00000000003BC000-memory.dmp

Filesize
176KB

Download
memory/1496-56-0x00000000003C0000-0x00000000003CA000-memory.dmp

Filesize
40KB

Download
memory/1496-54-0x0000000000330000-0x000000000036C000-memory.dmp

Filesize
240KB

Download