agenttesla | b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e | Triage

Analysis

max time kernel
135s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 02:14

Sharing

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General

Target

b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe
Size

1013KB
MD5

b00df52d56ff58117a6cd2964a3aecf8
SHA1

c14f63fe1289dc7e3f23e8f8aa207f52760a9ef9
SHA256

b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e
SHA512

f0e3962a8246bb85380d691ffe79681a8f301b4a9a07e1b7cf5bed34c232fddd3c412ec206d5708827dfc79a2a3a245097f608f576a4d219ae94ac5bf2740cf6
SSDEEP

24576:RAHnh+eWsN3skA4RV1Hom2KXMmHaGhJch+bEvO0/zs5:oh+ZkldoPK8YaG3Q+bEvOz

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
s30.securelayernetwork.com
Port:
587
Username:
[email protected]
Password:
%lmb-a,[(1ty
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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SzvWIzD = "C:\\Users\\Admin\\AppData\\Roaming\\SzvWIzD\\SzvWIzD.exe"	RegSvcs.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

25 api.ipify.org
27 ip-api.com
24 api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe

description	pid	process	target process
PID 1560 set thread context of 4900	1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

4900 RegSvcs.exe
4900 RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe

pid	process
1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe
1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 4900 RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe

pid	process
1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe
1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe

pid	process
1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe
1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe

description	pid	process	target process
PID 1560 wrote to memory of 4900	1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe	RegSvcs.exe
PID 1560 wrote to memory of 4900	1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe	RegSvcs.exe
PID 1560 wrote to memory of 4900	1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe	RegSvcs.exe
PID 1560 wrote to memory of 4900	1560	b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe
"C:\Users\Admin\AppData\Local\Temp\b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1560

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\b5af2d6788f5ef6b154c5dcd3d07aad8c26486cdffae3bd34cf4e2df8858729e.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1560-10-0x0000000001660000-0x0000000001664000-memory.dmp

Filesize
16KB

Download
memory/4900-11-0x0000000000500000-0x0000000000542000-memory.dmp

Filesize
264KB

Download
memory/4900-12-0x000000007550E000-0x000000007550F000-memory.dmp

Filesize
4KB

Download
memory/4900-13-0x00000000050F0000-0x0000000005694000-memory.dmp

Filesize
5.6MB

Download
memory/4900-14-0x0000000004CA0000-0x0000000004D06000-memory.dmp

Filesize
408KB

Download
memory/4900-15-0x0000000075500000-0x0000000075CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4900-18-0x0000000006120000-0x0000000006170000-memory.dmp

Filesize
320KB

Download
memory/4900-19-0x0000000006210000-0x00000000062A2000-memory.dmp

Filesize
584KB

Download
memory/4900-20-0x00000000061A0000-0x00000000061AA000-memory.dmp

Filesize
40KB

Download
memory/4900-21-0x000000007550E000-0x000000007550F000-memory.dmp

Filesize
4KB

Download
memory/4900-22-0x0000000075500000-0x0000000075CB0000-memory.dmp

Filesize
7.7MB

Download