agenttesla | b85123da03ee5c76a1a98d7b8a5c56cc07efe444b9cbf9f2c1f8813fa324ce6a

General

Target

4.exe
Size

622KB
MD5

467111735472753ad98e8500663b1de7
SHA1

8986442fd28e74c6f55baf354002dd678f73995e
SHA256

b85123da03ee5c76a1a98d7b8a5c56cc07efe444b9cbf9f2c1f8813fa324ce6a
SHA512

892f17af5c873a5e9717c72b1c5c7783536872e89e42663079c9f0848b8a104ad29d231ae7bd4a62d6fd49996ac5fb516dffd058cbe26e5f74ef4cad7306894e
SSDEEP

12288:aa5WDRFksUKQNuqq2QJrK9E8qIr18hrQBQKXXUaHMvA1dmGBLyrN1H80UjHgJ:+HkswdxkrK9E8zrWJcxt9dmKyrN1u

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.flying-fish-cn.com
Port:
587
Username:
[email protected]
Password:
hkk999@@@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001
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

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

4.exe

description pid process target process

PID 1844 set thread context of 2608 1844 4.exe 4.exe
Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

4.exe4.exe

pid process

1844 4.exe
1844 4.exe
1844 4.exe
1844 4.exe
1844 4.exe
1844 4.exe
1844 4.exe
1844 4.exe
1844 4.exe
2608 4.exe
2608 4.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4.exe4.exe

description pid process

Token: SeDebugPrivilege 1844 4.exe
Token: SeDebugPrivilege 2608 4.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1844 set thread context of 2608	1844	4.exe	4.exe

pid	process
1844	4.exe
1844	4.exe
1844	4.exe
1844	4.exe
1844	4.exe
1844	4.exe
1844	4.exe
1844	4.exe
1844	4.exe
2608	4.exe
2608	4.exe

description	pid	process
Token: SeDebugPrivilege	1844	4.exe
Token: SeDebugPrivilege	2608	4.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4.exe

description	pid	process	target process
PID 1844 wrote to memory of 2608	1844	4.exe	4.exe
PID 1844 wrote to memory of 2608	1844	4.exe	4.exe
PID 1844 wrote to memory of 2608	1844	4.exe	4.exe
PID 1844 wrote to memory of 2608	1844	4.exe	4.exe
PID 1844 wrote to memory of 2608	1844	4.exe	4.exe
PID 1844 wrote to memory of 2608	1844	4.exe	4.exe
PID 1844 wrote to memory of 2608	1844	4.exe	4.exe
PID 1844 wrote to memory of 2608	1844	4.exe	4.exe
PID 1844 wrote to memory of 2608	1844	4.exe	4.exe

C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844

C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1844-19-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/1844-4-0x0000000000320000-0x000000000032C000-memory.dmp

Filesize
48KB

Download
memory/1844-0-0x0000000000AB0000-0x0000000000B50000-memory.dmp

Filesize
640KB

Download
memory/1844-3-0x0000000000300000-0x0000000000312000-memory.dmp

Filesize
72KB

Download
memory/1844-1-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/1844-5-0x0000000005D30000-0x0000000005DB2000-memory.dmp

Filesize
520KB

Download
memory/1844-6-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/1844-7-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/1844-2-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/2608-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2608-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2608-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2608-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2608-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2608-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2608-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2608-20-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-21-0x0000000004C80000-0x0000000004CC0000-memory.dmp

Filesize
256KB

Download
memory/2608-22-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-23-0x0000000004C80000-0x0000000004CC0000-memory.dmp

Filesize
256KB

Download

Analysis

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