agenttesla | 1d8e06ad54176ef3faa63ff7f9cc4f6309d0f90ac75d9379308a36b85e6c4955

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2023 15:16

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General

Target

CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe
Size

3.5MB
MD5

996e8a56754289b12368c9241074ae5e
SHA1

776be5998df180449446f656548b586c04e4576a
SHA256

1d8e06ad54176ef3faa63ff7f9cc4f6309d0f90ac75d9379308a36b85e6c4955
SHA512

a8190cdff462125b33716761d08359918397f3abad5cc3d08d3177f823f7ada68f1399d53bdb96d8e188cfbe23bfbc8793b997b2c18f3d04252c1be8f590dcd8
SSDEEP

49152:q05SIbcRH7CT+crs48aWjE/gF/NmkK+c3XSMkbhe:bRC/vg

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6899220110:AAEhS6HDsWPgi27wKN8gxlKUKVJ8RH74u0w/

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

CasPol.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mxbVhQE = "C:\\Users\\Admin\\AppData\\Roaming\\mxbVhQE\\mxbVhQE.exe"	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.

Processes:

flow ioc

22 api.ipify.org
23 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe

description pid process target process

PID 456 set thread context of 4436 456 CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe CasPol.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CasPol.exe

pid process

4436 CasPol.exe
4436 CasPol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CasPol.exe

description pid process

Token: SeDebugPrivilege 4436 CasPol.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CasPol.exe

pid process

4436 CasPol.exe

flow	ioc
22	api.ipify.org
23	api.ipify.org

description	pid	process	target process
PID 456 set thread context of 4436	456	CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe	CasPol.exe

pid	process
4436	CasPol.exe
4436	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	4436	CasPol.exe

pid	process
4436	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe

description	pid	process	target process
PID 456 wrote to memory of 4436	456	CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe	CasPol.exe
PID 456 wrote to memory of 4436	456	CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe	CasPol.exe
PID 456 wrote to memory of 4436	456	CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe	CasPol.exe
PID 456 wrote to memory of 4436	456	CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe	CasPol.exe
PID 456 wrote to memory of 4436	456	CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe	CasPol.exe
PID 456 wrote to memory of 4436	456	CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe	CasPol.exe
PID 456 wrote to memory of 4436	456	CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe	CasPol.exe
PID 456 wrote to memory of 4436	456	CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe
"C:\Users\Admin\AppData\Local\Temp\CBDPOFAEDSWIFTREF8290019999210000082881914822PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:456

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4436-0-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4436-1-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4436-2-0x0000000005B60000-0x0000000006104000-memory.dmp

Filesize
5.6MB

Download
memory/4436-3-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/4436-4-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/4436-6-0x0000000006A80000-0x0000000006AD0000-memory.dmp

Filesize
320KB

Download
memory/4436-7-0x0000000006B70000-0x0000000006C0C000-memory.dmp

Filesize
624KB

Download
memory/4436-8-0x0000000006CB0000-0x0000000006D42000-memory.dmp

Filesize
584KB

Download
memory/4436-9-0x0000000006C70000-0x0000000006C7A000-memory.dmp

Filesize
40KB

Download
memory/4436-10-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4436-11-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download