agenttesla | b51a2616cda21a22be90fe6587e67a44675ee5daf65dcc18bb1516a09090bc43

Analysis

max time kernel
184s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 05:23

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General

Target

Shipping documents.exe
Size

461KB
MD5

893aeb0f5f4438e2748e580c130e100f
SHA1

f45b94c1568625c4b3507ea6c37c70a35344cad7
SHA256

b51a2616cda21a22be90fe6587e67a44675ee5daf65dcc18bb1516a09090bc43
SHA512

6e0e1f47debf1ebb1668c96c24dc1fe1dc5eaa9aaa2e9e27cd80df3c3f1fdabc7b414e0c0974e20a8fa09390e6ab6b15f645f905828617577f041f2e24a9f1f2
SSDEEP

12288:HtQQXMENB9eh32XY7H/kiMpCJhnfZVCR4an2PAa:HuYGzkiMsJhnfG4a2PAa

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dms-est.com
Port:
587
Username:
[email protected]
Password:
ab7865

Signatures

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

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Shipping documents.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TaskKill\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\Иисус.sys"	Shipping documents.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Shipping documents.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A22E59F7C9724796A8B87F9EF2EC8307 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Shipping documents.exe\""	Shipping documents.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

73 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Shipping documents.exe

description pid process target process

PID 872 set thread context of 216 872 Shipping documents.exe CasPol.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CasPol.exe

pid process

216 CasPol.exe
216 CasPol.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

Shipping documents.exe

pid process

872 Shipping documents.exe

flow	ioc
73	api.ipify.org

description	pid	process	target process
PID 872 set thread context of 216	872	Shipping documents.exe	CasPol.exe

pid	process
216	CasPol.exe
216	CasPol.exe

pid	process
872	Shipping documents.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Shipping documents.exeCasPol.exe

description	pid	process
Token: SeDebugPrivilege	872	Shipping documents.exe
Token: SeDebugPrivilege	872	Shipping documents.exe
Token: SeLoadDriverPrivilege	872	Shipping documents.exe
Token: SeDebugPrivilege	216	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Shipping documents.exe

description	pid	process	target process
PID 872 wrote to memory of 216	872	Shipping documents.exe	CasPol.exe
PID 872 wrote to memory of 216	872	Shipping documents.exe	CasPol.exe
PID 872 wrote to memory of 216	872	Shipping documents.exe	CasPol.exe
PID 872 wrote to memory of 216	872	Shipping documents.exe	CasPol.exe
PID 872 wrote to memory of 216	872	Shipping documents.exe	CasPol.exe
PID 872 wrote to memory of 216	872	Shipping documents.exe	CasPol.exe
PID 872 wrote to memory of 216	872	Shipping documents.exe	CasPol.exe
PID 872 wrote to memory of 216	872	Shipping documents.exe	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\Shipping documents.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping documents.exe"
1⤵
- Sets service image path in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/216-134-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/216-135-0x000000000043275E-mapping.dmp

Download
memory/216-137-0x0000000005D60000-0x0000000006304000-memory.dmp

Filesize
5.6MB

Download
memory/216-138-0x0000000005930000-0x00000000059CC000-memory.dmp

Filesize
624KB

Download
memory/216-139-0x0000000001700000-0x0000000001766000-memory.dmp

Filesize
408KB

Download
memory/872-132-0x0000021E01850000-0x0000021E018C8000-memory.dmp

Filesize
480KB

Download
memory/872-133-0x00007FFD6FFC0000-0x00007FFD70A81000-memory.dmp

Filesize
10.8MB

Download
memory/872-136-0x00007FFD6FFC0000-0x00007FFD70A81000-memory.dmp

Filesize
10.8MB

Download