agenttesla | bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448

General

Target

bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe
Size

574KB
MD5

271925836d2072b74f62a1f30f335fb7
SHA1

dc25c270c6dccc9bde0d27474070031cb214e2f0
SHA256

bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448
SHA512

9437ec0bd3c5adbe5fc1eec79a9162262dd32fbfcb9308f9cb9b12d1b95159b0bddd77aa30481462feda70b5f232542eb880eda7308e020ed05c5ea987caaefa
SSDEEP

12288:azZB1xM76UBvWnBHRJpcxSQBSAB9WfdLQ3TzAh+n0m07wZJ53c6z9J+tVb7k5:azZBA76UBmJeTqO3TUhY0m07Q53c6z91

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.electrobist.com
Port:
21
Username:
[email protected]
Password:
cAP&5)Y*cPUE

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

CasPol.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.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

4 api.ipify.org
5 api.ipify.org

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe

description	pid	process	target process
PID 1620 set thread context of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exeCasPol.exe

pid	process
1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe
1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe
848	CasPol.exe
848	CasPol.exe
848	CasPol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exeCasPol.exe

description	pid	process
Token: SeDebugPrivilege	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe
Token: SeDebugPrivilege	848	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CasPol.exe

pid process

848 CasPol.exe

pid	process
848	CasPol.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe

description	pid	process	target process
PID 1620 wrote to memory of 1508	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 1508	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 1508	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 1508	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 968	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 968	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 968	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 968	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe
PID 1620 wrote to memory of 848	1620	bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe	CasPol.exe

outlook_office_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe
"C:\Users\Admin\AppData\Local\Temp\bef9680926b32f2252d5a8b193329833a86d0eea9ea2900a2abc3bc863bb0448.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
PID:1508

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
PID:968

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:848

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/848-58-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/848-59-0x0000000000437C6E-mapping.dmp

Download
memory/848-61-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/848-63-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/848-64-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1620-54-0x00000000008D0000-0x0000000000964000-memory.dmp

Filesize
592KB

Download
memory/1620-55-0x0000000002060000-0x00000000020EA000-memory.dmp

Filesize
552KB

Download
memory/1620-56-0x000000001A960000-0x000000001A9E4000-memory.dmp

Filesize
528KB

Download
memory/1620-57-0x000000001AEE0000-0x000000001AF5E000-memory.dmp

Filesize
504KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads