agenttesla | 5982c72d72560082aeae32c2c6dee7c21880104bca850368f323cfbdd521bfe7

General

Target

RTGS_Advice.exe
Size

776KB
MD5

2e65e1e1cbc00f87cc1756e9c37dd93a
SHA1

f4c9f3c49419e2c9f6decdc2a35aed4a4fb5ba35
SHA256

5982c72d72560082aeae32c2c6dee7c21880104bca850368f323cfbdd521bfe7
SHA512

be32f872b2eede5da1aedbce8b53c9dc6505b4310b6959d8a7fa4bd48e1a2b7e4dde1d95cb0c4a20f69f63a3b49c855ca7864168ae5b7662b6fc65e28802d19e

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.dveshop.ro/
Port:
21
Username:
[email protected]
Password:
;0E4xWb(lC*Z

Protocol: ftp
Host:
ftp://ftp.dveshop.ro/
Port:
21
Username:
[email protected]
Password:
;0E4xWb(lC*Z

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1432-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1432-5-0x000000000044698E-mapping.dmp	family_agenttesla
behavioral1/memory/1432-7-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1432-8-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

RegAsm.exe

pid process

1432 RegAsm.exe
Loads dropped DLL 2 IoCs

Processes:

RTGS_Advice.exeRegAsm.exe

pid process

1100 RTGS_Advice.exe
1432 RegAsm.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

RTGS_Advice.exe

description pid process target process

PID 1100 set thread context of 1432 1100 RTGS_Advice.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

RTGS_Advice.exeRegAsm.exe

pid process

1100 RTGS_Advice.exe
1100 RTGS_Advice.exe
1100 RTGS_Advice.exe
1432 RegAsm.exe
1432 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RTGS_Advice.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1100 RTGS_Advice.exe
Token: SeDebugPrivilege 1432 RegAsm.exe

pid	process
1432	RegAsm.exe

pid	process
1100	RTGS_Advice.exe
1432	RegAsm.exe

description	pid	process	target process
PID 1100 set thread context of 1432	1100	RTGS_Advice.exe	RegAsm.exe

pid	process
1100	RTGS_Advice.exe
1100	RTGS_Advice.exe
1100	RTGS_Advice.exe
1432	RegAsm.exe
1432	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1100	RTGS_Advice.exe
Token: SeDebugPrivilege	1432	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

RTGS_Advice.exe

description	pid	process	target process
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe
PID 1100 wrote to memory of 1432	1100	RTGS_Advice.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\RTGS_Advice.exe
"C:\Users\Admin\AppData\Local\Temp\RTGS_Advice.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1432

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

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

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
memory/1100-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1432-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1432-5-0x000000000044698E-mapping.dmp

Download
memory/1432-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1432-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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