agenttesla | 6016538c02f6ddd5e06a392986e79c9f219b28485dd8cef5c3864d7aebf773b1

Analysis

max time kernel
127s
max time network
133s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
12-12-2023 13:55

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General

Target

CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe
Size

3.5MB
MD5

f017bb99e5427574e9acc862cc685995
SHA1

a7186e398a91c3db3f79bcfb834e41d9558fcc82
SHA256

6016538c02f6ddd5e06a392986e79c9f219b28485dd8cef5c3864d7aebf773b1
SHA512

b5e9f4ab3d412e16ce587e6c56a4aa64bb984b84ad5d53f16f471368cc41dd73c7172beb1700969421496fd0539b7fa8a4c29d916330e00cbde1e7d4b682d04c
SSDEEP

49152:uk3d4Ss6/6rR2Ug+cKYYW6ggFmX7IILowNFgKj9rw:PW4U4aMCGr

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6348230851:AAHvC-M1EJAOlhyLClppv8SeNpMulHQIavc/

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-1-5-21-459651055-4136032345-1270294931-1000\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

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

Processes:

CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe

description pid process target process

PID 5020 set thread context of 3848 5020 CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe CasPol.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CasPol.exe

pid process

3848 CasPol.exe
3848 CasPol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CasPol.exe

description pid process

Token: SeDebugPrivilege 3848 CasPol.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CasPol.exe

pid process

3848 CasPol.exe

flow	ioc
1	api.ipify.org
2	api.ipify.org

description	pid	process	target process
PID 5020 set thread context of 3848	5020	CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe	CasPol.exe

pid	process
3848	CasPol.exe
3848	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	3848	CasPol.exe

pid	process
3848	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe

description	pid	process	target process
PID 5020 wrote to memory of 3848	5020	CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe	CasPol.exe
PID 5020 wrote to memory of 3848	5020	CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe	CasPol.exe
PID 5020 wrote to memory of 3848	5020	CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe	CasPol.exe
PID 5020 wrote to memory of 3848	5020	CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe	CasPol.exe
PID 5020 wrote to memory of 3848	5020	CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe	CasPol.exe
PID 5020 wrote to memory of 3848	5020	CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe	CasPol.exe
PID 5020 wrote to memory of 3848	5020	CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe	CasPol.exe
PID 5020 wrote to memory of 3848	5020	CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe
"C:\Users\Admin\AppData\Local\Temp\CBD POF USD SWIFT REF 82900199992100000828819147822-PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5020

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:3848

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/3848-0-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3848-1-0x0000000073C60000-0x000000007434E000-memory.dmp

Filesize
6.9MB

Download
memory/3848-2-0x00000000054E0000-0x00000000059DE000-memory.dmp

Filesize
5.0MB

Download
memory/3848-3-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/3848-4-0x0000000005160000-0x00000000051C6000-memory.dmp

Filesize
408KB

Download
memory/3848-6-0x0000000006260000-0x00000000062B0000-memory.dmp

Filesize
320KB

Download
memory/3848-7-0x0000000006350000-0x00000000063EC000-memory.dmp

Filesize
624KB

Download
memory/3848-8-0x00000000064B0000-0x0000000006542000-memory.dmp

Filesize
584KB

Download
memory/3848-9-0x0000000006590000-0x000000000659A000-memory.dmp

Filesize
40KB

Download
memory/3848-10-0x0000000073C60000-0x000000007434E000-memory.dmp

Filesize
6.9MB

Download
memory/3848-11-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download