agenttesla | e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d | Triage

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 01:18

Sharing

Report Analysis Logs

General

Target

e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe
Size

1.1MB
MD5

de6540781225c26de5323372607b1b86
SHA1

47285e439b17e8d9382af52534d5e48505366130
SHA256

e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d
SHA512

d4d9b14cb6dd86c89d86f23e65251a384a6a4062d89e9a15d9c4b553fb50fc53a80f9b21cc9443f886c081625c7a983500b9f239d213c7e81988dd426072feb6
SSDEEP

24576:QqDEvCTbMWu7rQYlBQcBiT6rprG8afCUzbkEys:QTvC/MTQYxsWR7afCubb

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.jmfresh.sg
Port:
587
Username:
[email protected]
Password:
[email protected]
Email To:
[email protected]

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe"	RegSvcs.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe

description	pid	process	target process
PID 1804 set thread context of 2680	1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2680 RegSvcs.exe
2680 RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe

pid	process
1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe
1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2680 RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe

pid	process
1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe
1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe

pid	process
1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe
1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe

description	pid	process	target process
PID 1804 wrote to memory of 2680	1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe	RegSvcs.exe
PID 1804 wrote to memory of 2680	1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe	RegSvcs.exe
PID 1804 wrote to memory of 2680	1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe	RegSvcs.exe
PID 1804 wrote to memory of 2680	1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe	RegSvcs.exe
PID 1804 wrote to memory of 2680	1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe	RegSvcs.exe
PID 1804 wrote to memory of 2680	1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe	RegSvcs.exe
PID 1804 wrote to memory of 2680	1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe	RegSvcs.exe
PID 1804 wrote to memory of 2680	1804	e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe
"C:\Users\Admin\AppData\Local\Temp\e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1804-10-0x00000000005A0000-0x00000000005A4000-memory.dmp

Filesize
16KB

Download
memory/2680-11-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2680-17-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2680-14-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2680-20-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2680-21-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-22-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/2680-24-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-25-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download