agenttesla | 2e5247cb876de7d41c8cd2d350aa6512aeb1f93da5fdb368075d5cc97accfbd2

General

Target

order for August .scr
Size

1.7MB
MD5

a3732c7e285f3c9f310ba3aa0c80b324
SHA1

fb2c4beef9c57c54519a238870bb6cea0fd7f05e
SHA256

1fe24761cfcb48d6d3a4f1ad9d02c2429c7f567fda2bda78f5d12c89717c6285
SHA512

de1049c97658a7ec1d37bfe7e6cd39ef04df75b13cb5e7381413c4e9cc95757b2d62a191c020ac3c599a5c77ae22696b20b72ea13fc70fe2283fae849812dc2a

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
Doggy@#$234

Signatures

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

AgentTesla Payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1120-54-0x00000000012A0000-0x0000000001458000-memory.dmp	family_agenttesla
behavioral1/memory/1812-61-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1812-62-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1812-64-0x0000000000445DAE-mapping.dmp	family_agenttesla
behavioral1/memory/1812-66-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1812-67-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1812-71-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1812-74-0x0000000000090000-0x00000000000DA000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

RegAsm.exe

pid process

1812 RegAsm.exe
Loads dropped DLL 2 IoCs

Processes:

order for August .scrRegAsm.exe

pid process

1120 order for August .scr
1812 RegAsm.exe
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

pid	process
1812	RegAsm.exe

pid	process
1120	order for August .scr
1812	RegAsm.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

order for August .scr

description pid process target process

PID 1120 set thread context of 1812 1120 order for August .scr RegAsm.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

order for August .scrRegAsm.exe

pid process

1120 order for August .scr
1120 order for August .scr
1120 order for August .scr
1812 RegAsm.exe
1812 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

order for August .scrRegAsm.exe

description pid process

Token: SeDebugPrivilege 1120 order for August .scr
Token: SeDebugPrivilege 1812 RegAsm.exe

description	pid	process	target process
PID 1120 set thread context of 1812	1120	order for August .scr	RegAsm.exe

pid	process
1120	order for August .scr
1120	order for August .scr
1120	order for August .scr
1812	RegAsm.exe
1812	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1120	order for August .scr
Token: SeDebugPrivilege	1812	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

order for August .scr

description	pid	process	target process
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe
PID 1120 wrote to memory of 1812	1120	order for August .scr	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\order for August .scr
"C:\Users\Admin\AppData\Local\Temp\order for August .scr" /S
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1812

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1120-54-0x00000000012A0000-0x0000000001458000-memory.dmp

Filesize
1.7MB

Download
memory/1120-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1120-56-0x00000000009A0000-0x00000000009C0000-memory.dmp

Filesize
128KB

Download
memory/1812-64-0x0000000000445DAE-mapping.dmp

Download
memory/1812-62-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1812-61-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1812-66-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1812-67-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1812-71-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1812-74-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1812-58-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/1812-59-0x0000000000090000-0x00000000000DA000-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