agenttesla | db0472f382a087a5c418209037bb62531f87288f5b7bcd7db3c744fa71db406c

General

Target

CguzyjoH6w0Mrok.exe
Size

754KB
MD5

40394958aa221147f84c6e34cb0ead06
SHA1

97e519838586dab48bedcbee7d693edafa5f567b
SHA256

5d921fee6553573489b8c72f1afd5f9ffd1c184b182994a6209b36b558923d61
SHA512

fbe8ed62b77d053f946c569c7498640f33025d0aa8c7ea674a8e09d1ce239dde47b918f23a66128cba7713b8fd18a219f9bcda476582fce1adf82d248382667f

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.sardaplywood.com
Port:
587
Username:
[email protected]
Password:
sup123st45

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sardaplywood.com
Port:
587
Username:
[email protected]
Password:
sup123st45

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2284-136-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

CguzyjoH6w0Mrok.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CguzyjoH6w0Mrok.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CguzyjoH6w0Mrok.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CguzyjoH6w0Mrok.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

CguzyjoH6w0Mrok.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mRqYGl = "C:\\Users\\Admin\\AppData\\Roaming\\mRqYGl\\mRqYGl.exe"	CguzyjoH6w0Mrok.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

CguzyjoH6w0Mrok.exe

description pid process target process

PID 816 set thread context of 2284 816 CguzyjoH6w0Mrok.exe CguzyjoH6w0Mrok.exe

description	pid	process	target process
PID 816 set thread context of 2284	816	CguzyjoH6w0Mrok.exe	CguzyjoH6w0Mrok.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

CguzyjoH6w0Mrok.exeCguzyjoH6w0Mrok.exe

pid	process
816	CguzyjoH6w0Mrok.exe
816	CguzyjoH6w0Mrok.exe
816	CguzyjoH6w0Mrok.exe
816	CguzyjoH6w0Mrok.exe
816	CguzyjoH6w0Mrok.exe
816	CguzyjoH6w0Mrok.exe
816	CguzyjoH6w0Mrok.exe
2284	CguzyjoH6w0Mrok.exe
2284	CguzyjoH6w0Mrok.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

CguzyjoH6w0Mrok.exe

pid process

2284 CguzyjoH6w0Mrok.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

CguzyjoH6w0Mrok.exeCguzyjoH6w0Mrok.exe

description pid process

Token: SeDebugPrivilege 816 CguzyjoH6w0Mrok.exe
Token: SeDebugPrivilege 2284 CguzyjoH6w0Mrok.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CguzyjoH6w0Mrok.exe

pid process

2284 CguzyjoH6w0Mrok.exe

pid	process
2284	CguzyjoH6w0Mrok.exe

description	pid	process
Token: SeDebugPrivilege	816	CguzyjoH6w0Mrok.exe
Token: SeDebugPrivilege	2284	CguzyjoH6w0Mrok.exe

pid	process
2284	CguzyjoH6w0Mrok.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

CguzyjoH6w0Mrok.exe

description	pid	process	target process
PID 816 wrote to memory of 2284	816	CguzyjoH6w0Mrok.exe	CguzyjoH6w0Mrok.exe
PID 816 wrote to memory of 2284	816	CguzyjoH6w0Mrok.exe	CguzyjoH6w0Mrok.exe
PID 816 wrote to memory of 2284	816	CguzyjoH6w0Mrok.exe	CguzyjoH6w0Mrok.exe
PID 816 wrote to memory of 2284	816	CguzyjoH6w0Mrok.exe	CguzyjoH6w0Mrok.exe
PID 816 wrote to memory of 2284	816	CguzyjoH6w0Mrok.exe	CguzyjoH6w0Mrok.exe
PID 816 wrote to memory of 2284	816	CguzyjoH6w0Mrok.exe	CguzyjoH6w0Mrok.exe
PID 816 wrote to memory of 2284	816	CguzyjoH6w0Mrok.exe	CguzyjoH6w0Mrok.exe
PID 816 wrote to memory of 2284	816	CguzyjoH6w0Mrok.exe	CguzyjoH6w0Mrok.exe

outlook_office_path 1 IoCs

Processes:

CguzyjoH6w0Mrok.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CguzyjoH6w0Mrok.exe

outlook_win_path 1 IoCs

Processes:

CguzyjoH6w0Mrok.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CguzyjoH6w0Mrok.exe

C:\Users\Admin\AppData\Local\Temp\CguzyjoH6w0Mrok.exe
"C:\Users\Admin\AppData\Local\Temp\CguzyjoH6w0Mrok.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816

C:\Users\Admin\AppData\Local\Temp\CguzyjoH6w0Mrok.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2284

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

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CguzyjoH6w0Mrok.exe.log
Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
memory/816-130-0x0000000000FA0000-0x0000000001062000-memory.dmp

Filesize
776KB

Download
memory/816-131-0x00000000062A0000-0x0000000006844000-memory.dmp

Filesize
5.6MB

Download
memory/816-132-0x0000000005DF0000-0x0000000005E82000-memory.dmp

Filesize
584KB

Download
memory/816-133-0x0000000005BA0000-0x0000000005BAA000-memory.dmp

Filesize
40KB

Download
memory/816-134-0x000000000F120000-0x000000000F1BC000-memory.dmp

Filesize
624KB

Download
memory/2284-135-0x0000000000000000-mapping.dmp

Download
memory/2284-136-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2284-138-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/2284-139-0x00000000068F0000-0x0000000006940000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads