agenttesla | 9f09ed30cb70863dc01c9e3114dcd22a59d80b2225656a5d88b3e4aa0e5ace16

Analysis

max time kernel
104s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 02:58

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General

Target

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
Size

1.0MB
MD5

a8d1735c5702af0faf5cc806f6b0a5e0
SHA1

2379a9d51228b5dbad2b7a38dccd0afdf68ac489
SHA256

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e
SHA512

854e497658327930c7f5e8c2ea2e6a8239e86b522a74f11d1cd5e40fb1b29fcf8aaaea5ee6563702ed9c3a99a4d7424ee89ec83ddc8c963d39cc094814727618
SSDEEP

24576:nAHnh+eWsN3skA4RV1Hom2KXMmHaJ5OSwZcc5:ah+ZkldoPK8YaJ87Zv

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.laboratoriosvilla.com.mx
Port:
587
Username:
[email protected]
Password:
WZ,2pliw#L)D
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Drops startup file 1 IoCs

Processes:

name.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs name.exe
Executes dropped EXE 1 IoCs

Processes:

name.exe

pid process

4392 name.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

pid	process
4392	name.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KaGeys = "C:\\Users\\Admin\\AppData\\Roaming\\KaGeys\\KaGeys.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

16 api.ipify.org
17 api.ipify.org
19 ip-api.com
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.

Processes:

resource yara_rule

C:\Users\Admin\AppData\Local\directory\name.exe autoit_exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

name.exe

description pid process target process

PID 4392 set thread context of 528 4392 name.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

528 RegSvcs.exe
528 RegSvcs.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

name.exe

pid process

4392 name.exe
4392 name.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 528 RegSvcs.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exename.exe

pid process

3888 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
3888 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
4392 name.exe
4392 name.exe
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exename.exe

pid process

3888 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
3888 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
4392 name.exe
4392 name.exe

flow	ioc
16	api.ipify.org
17	api.ipify.org
19	ip-api.com

resource	yara_rule
C:\Users\Admin\AppData\Local\directory\name.exe	autoit_exe

description	pid	process	target process
PID 4392 set thread context of 528	4392	name.exe	RegSvcs.exe

pid	process
528	RegSvcs.exe
528	RegSvcs.exe

pid	process
4392	name.exe
4392	name.exe

description	pid	process
Token: SeDebugPrivilege	528	RegSvcs.exe

pid	process
3888	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
3888	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
4392	name.exe
4392	name.exe

pid	process
3888	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
3888	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
4392	name.exe
4392	name.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exename.exe

description	pid	process	target process
PID 3888 wrote to memory of 4392	3888	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe	name.exe
PID 3888 wrote to memory of 4392	3888	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe	name.exe
PID 3888 wrote to memory of 4392	3888	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe	name.exe
PID 4392 wrote to memory of 528	4392	name.exe	RegSvcs.exe
PID 4392 wrote to memory of 528	4392	name.exe	RegSvcs.exe
PID 4392 wrote to memory of 528	4392	name.exe	RegSvcs.exe
PID 4392 wrote to memory of 528	4392	name.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
"C:\Users\Admin\AppData\Local\Temp\2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe"
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3888

C:\Users\Admin\AppData\Local\directory\name.exe
"C:\Users\Admin\AppData\Local\Temp\2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4392

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe"
3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:528

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Laddonia
Filesize
28KB

MD5
6a23c57ebcf69e786d3970486e21b6b0

SHA1
5fe5f38d37126bc825e5348aa157a3e791d383ae

SHA256
bc00ee3988fe4dfe70c35ad3c6419de2c8df8ea1872299f5ec991cf744fcaadc

SHA512
26a5e1b47c8728ab8beea3092a4e9e453e740f702f92cacbd59fcdd09d5a510247b88a03470a534396d610b2291a071ef5f682dd341642daba4819171951c8ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\unprickly
Filesize
239KB

MD5
97c0e9b3ba94e31812b52b1579717244

SHA1
866d8c17d0fdf1710d2dd6cccbe65d6b73c7610f

SHA256
81cf4ccda78c6cb5ecb2ba7359e5a5a6201d3e0d698aac10fa95a1bc549720d7

SHA512
54a65420fc8c5c9d60c808b8fc4a1d419a097f2f858a9d8dd53c7ab4ddc8348d31b37f300de5186b85d4c3e219ef86413823ddaea82d6d574633e8e4a8a0725b

Download Submit
C:\Users\Admin\AppData\Local\directory\name.exe
Filesize
1.0MB

MD5
a8d1735c5702af0faf5cc806f6b0a5e0

SHA1
2379a9d51228b5dbad2b7a38dccd0afdf68ac489

SHA256
2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e

SHA512
854e497658327930c7f5e8c2ea2e6a8239e86b522a74f11d1cd5e40fb1b29fcf8aaaea5ee6563702ed9c3a99a4d7424ee89ec83ddc8c963d39cc094814727618

Download Submit
memory/528-30-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/528-28-0x0000000000740000-0x0000000000782000-memory.dmp

Filesize
264KB

Download
memory/528-29-0x00000000754CE000-0x00000000754CF000-memory.dmp

Filesize
4KB

Download
memory/528-31-0x0000000004EC0000-0x0000000004F26000-memory.dmp

Filesize
408KB

Download
memory/528-32-0x00000000754C0000-0x0000000075C70000-memory.dmp

Filesize
7.7MB

Download
memory/528-34-0x0000000006240000-0x0000000006290000-memory.dmp

Filesize
320KB

Download
memory/528-35-0x0000000006330000-0x00000000063C2000-memory.dmp

Filesize
584KB

Download
memory/528-36-0x00000000062C0000-0x00000000062CA000-memory.dmp

Filesize
40KB

Download
memory/528-37-0x00000000754CE000-0x00000000754CF000-memory.dmp

Filesize
4KB

Download
memory/528-38-0x00000000754C0000-0x0000000075C70000-memory.dmp

Filesize
7.7MB

Download
memory/3888-10-0x0000000001860000-0x0000000001864000-memory.dmp

Filesize
16KB

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