agenttesla | e3b4406836308220da7989e5d539486ee1b71b4cc25a822e056993ab44675666

Analysis

max time kernel
27s
max time network
115s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
07-02-2023 17:06

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General

Target

e-dekont-20230206.exe
Size

679KB
MD5

33a5f92deee382035467caff29a8d487
SHA1

7e6daec4a2a4dde0f5148df4165fa8cebb7011e4
SHA256

e3b4406836308220da7989e5d539486ee1b71b4cc25a822e056993ab44675666
SHA512

c2c3a2ffc2719245166a561050a0c4d9ece584dea47997bb5db1cc30885e31e2a5af3cfbb27526835b10bdda71b572c307e8704a1ac53e9119cfe63c760f66af
SSDEEP

12288:vjsouJ3dUctF0KHbYXj/oNmsNjMQWwBTMYvwgScpK3J+ZBJwsscBDZn0Vx1NdB:2NUc7TbEDoNtQQWwKYvJScg63scDnu

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://discord.com/api/webhooks/1063267560818233445/Ga1uL1m9HE258QH4hqiVhVH5m98lA3rsO835awvMXcR1F31nnHHfghtrbDwRtJci1Osr

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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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 1264 set thread context of 2028	1264	e-dekont-20230206.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	Caspol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2028	Caspol.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 2028	1264	e-dekont-20230206.exe	28
PID 1264 wrote to memory of 2028	1264	e-dekont-20230206.exe	28
PID 1264 wrote to memory of 2028	1264	e-dekont-20230206.exe	28
PID 1264 wrote to memory of 2028	1264	e-dekont-20230206.exe	28
PID 1264 wrote to memory of 2028	1264	e-dekont-20230206.exe	28
PID 1264 wrote to memory of 2028	1264	e-dekont-20230206.exe	28
PID 1264 wrote to memory of 2028	1264	e-dekont-20230206.exe	28
PID 1264 wrote to memory of 2028	1264	e-dekont-20230206.exe	28
PID 1264 wrote to memory of 2028	1264	e-dekont-20230206.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\e-dekont-20230206.exe
"C:\Users\Admin\AppData\Local\Temp\e-dekont-20230206.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1264
- 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:2028

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/1264-54-0x0000000001030000-0x00000000010DE000-memory.dmp

Filesize
696KB

Download
memory/1264-55-0x0000000000360000-0x000000000036C000-memory.dmp

Filesize
48KB

Download
memory/2028-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2028-57-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2028-59-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2028-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2028-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2028-62-0x000000000042ABBE-mapping.dmp

Download
memory/2028-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2028-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2028-67-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

Download