agenttesla | 7afa4b711714c420df3cf3f66e44ba9d0c11124f6e2b22b68ed3d6a0a03e4488

General

Target

AWB#5421457894.exe
Size

678KB
MD5

9e50434dd1d10773a9d2acc0ca50284e
SHA1

da4c89a1120051755459cbb20a9f5b671e9b388d
SHA256

2e50f8b1d260cd858d97aff46f8c157b940d6db17673ec99f9304ac963f32473
SHA512

31b519166553d6009251c9b2920bc95563061abefac834523afc08912cdbacdd7eb06980bdf607120586cd4170dfcf82a1e9da39e74c7f653047e6192733fcf3

Score

10^/10

agenttesla agilenet collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
blockmoney32

Signatures

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

AgentTesla Payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1660-62-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1660-63-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1660-65-0x0000000000445FBE-mapping.dmp	family_agenttesla
behavioral1/memory/1660-67-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1660-68-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1660-72-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1660-75-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

RegAsm.exe

pid process

1660 RegAsm.exe
Loads dropped DLL 2 IoCs

Processes:

AWB#5421457894.exeRegAsm.exe

pid process

1528 AWB#5421457894.exe
1660 RegAsm.exe

pid	process
1660	RegAsm.exe

pid	process
1528	AWB#5421457894.exe
1660	RegAsm.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1528-56-0x00000000004F0000-0x00000000004FA000-memory.dmp	agile_net

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:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\ITIXsa = "C:\\Users\\Admin\\AppData\\Roaming\\ITIXsa\\ITIXsa.exe"	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

AWB#5421457894.exe

description pid process target process

PID 1528 set thread context of 1660 1528 AWB#5421457894.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

AWB#5421457894.exeRegAsm.exe

pid process

1528 AWB#5421457894.exe
1528 AWB#5421457894.exe
1528 AWB#5421457894.exe
1660 RegAsm.exe
1660 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AWB#5421457894.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1528 AWB#5421457894.exe
Token: SeDebugPrivilege 1660 RegAsm.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

1660 RegAsm.exe

description	pid	process	target process
PID 1528 set thread context of 1660	1528	AWB#5421457894.exe	RegAsm.exe

pid	process
1528	AWB#5421457894.exe
1528	AWB#5421457894.exe
1528	AWB#5421457894.exe
1660	RegAsm.exe
1660	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1528	AWB#5421457894.exe
Token: SeDebugPrivilege	1660	RegAsm.exe

pid	process
1660	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

AWB#5421457894.exe

description	pid	process	target process
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe
PID 1528 wrote to memory of 1660	1528	AWB#5421457894.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\AWB#5421457894.exe
"C:\Users\Admin\AppData\Local\Temp\AWB#5421457894.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:1660

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

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
memory/1528-54-0x0000000001100000-0x00000000011B0000-memory.dmp

Filesize
704KB

Download
memory/1528-55-0x00000000004D0000-0x00000000004EE000-memory.dmp

Filesize
120KB

Download
memory/1528-56-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/1528-57-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/1660-63-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1660-65-0x0000000000445FBE-mapping.dmp

Download
memory/1660-62-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1660-67-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1660-68-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1660-72-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1660-75-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1660-60-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1660-77-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/1660-59-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads