agenttesla | 5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c

General

Target

5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe
Size

690KB
MD5

4ec60c5cb63dd767406cbe5016824011
SHA1

7430420069a5880c3f32df17bbd7dbb9cc7af5c4
SHA256

5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c
SHA512

be9f90d83deab7a624278b7fceddeaa2781db4546a27d43fc33e28365c0f89c5bec95e5de50aa6d6f96cb63512d1b7c2f9beeb53fba0380b09ee435c15d0da5e
SSDEEP

12288:/gs7N2Th2eUJnF8WJs4osOlYY2SAMASzqDUUKF95MA4p+S:RAsnF8WJlgltVWUUnAs+S

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5349655878:AAGnMhpzchQYN5RbZ88-w3gvA1SNsxWo7ts/

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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Roaming\\updater\\updater.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

21 api.ipify.org
22 api.ipify.org

flow	ioc
21	api.ipify.org
22	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe

description	pid	process	target process
PID 4540 set thread context of 2292	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

216 4540 WerFault.exe 5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe

pid	pid_target	process	target process
216	4540	WerFault.exe	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exeCasPol.exe

pid	process
4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe
4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe
2292	CasPol.exe
2292	CasPol.exe
2292	CasPol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exeCasPol.exe

description	pid	process
Token: SeDebugPrivilege	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe
Token: SeDebugPrivilege	2292	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CasPol.exe

pid process

2292 CasPol.exe

pid	process
2292	CasPol.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe

description	pid	process	target process
PID 4540 wrote to memory of 1960	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 1960	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 1960	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 2292	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 2292	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 2292	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 2292	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 2292	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 2292	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 2292	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe
PID 4540 wrote to memory of 2292	4540	5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe	CasPol.exe

outlook_office_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe
"C:\Users\Admin\AppData\Local\Temp\5449a91de72a74f3ca7c6fe2821e29ac19b1060151700b69bd6ad4bb00aa9f9c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4540

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
PID:1960

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:2292

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4540 -s 1112
2⤵
- Program crash
PID:216

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 468 -p 4540 -ip 4540
1⤵
PID:3716

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/2292-138-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2292-139-0x0000000000437C6E-mapping.dmp

Download
memory/2292-140-0x00000000058D0000-0x0000000005E74000-memory.dmp

Filesize
5.6MB

Download
memory/2292-142-0x0000000005320000-0x00000000053BC000-memory.dmp

Filesize
624KB

Download
memory/2292-143-0x0000000006060000-0x00000000060C6000-memory.dmp

Filesize
408KB

Download
memory/2292-144-0x00000000067F0000-0x0000000006840000-memory.dmp

Filesize
320KB

Download
memory/2292-145-0x00000000069B0000-0x0000000006A42000-memory.dmp

Filesize
584KB

Download
memory/2292-146-0x0000000006C80000-0x0000000006C8A000-memory.dmp

Filesize
40KB

Download
memory/4540-135-0x0000017683F10000-0x0000017683FC2000-memory.dmp

Filesize
712KB

Download
memory/4540-136-0x00007FFCEED30000-0x00007FFCEF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/4540-137-0x00007FFCEED30000-0x00007FFCEF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/4540-141-0x00007FFCEED30000-0x00007FFCEF7F1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads