agenttesla | 43f5a0ad4ae35c4c9d6506f5bb2dfd6f676a21b93e71acf685dd950ba01a5f9c

General

Target

PO#50124.exe
Size

668KB
MD5

b4306234a3b45c69df6a6a7cecd6070c
SHA1

323197c988bc794e3a6314fce81dc20c48d234ee
SHA256

13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8
SHA512

a30bd4b6365ced8bf53fd6f57c0e30896bdea733305c2c51bd4e63f7c3451a12b64e85cd16c292a02cae6ae2083532ec72ff5151dfed7aa708279aa259cefe16
SSDEEP

12288:cHgnFyHgP/NbIyeSPqBFAbCS2m+2hTMRZuEAFgzknK7N8VJqaW:c+yHs/Nt8BUCmZhTGZuBFKR8V

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.alkuwaiti.com
Port:
587
Username:
[email protected]
Password:
Ele@1804
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2628-21-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2628-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2628-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2628-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2628-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2628-21-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2628-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2628-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2628-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2628-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2628-21-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2628-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2628-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2628-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2628-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2628-21-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2628-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2628-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2628-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2628-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2628-21-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2628-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2628-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2628-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2628-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2628-21-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2628-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2628-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2628-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2628-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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:

PO#50124.exe

description pid process target process

PID 1736 set thread context of 2628 1736 PO#50124.exe PO#50124.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PO#50124.exePO#50124.exe

pid process

1736 PO#50124.exe
1736 PO#50124.exe
1736 PO#50124.exe
2628 PO#50124.exe
2628 PO#50124.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#50124.exePO#50124.exe

description pid process

Token: SeDebugPrivilege 1736 PO#50124.exe
Token: SeDebugPrivilege 2628 PO#50124.exe

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

description	pid	process	target process
PID 1736 set thread context of 2628	1736	PO#50124.exe	PO#50124.exe

pid	process
1736	PO#50124.exe
1736	PO#50124.exe
1736	PO#50124.exe
2628	PO#50124.exe
2628	PO#50124.exe

description	pid	process
Token: SeDebugPrivilege	1736	PO#50124.exe
Token: SeDebugPrivilege	2628	PO#50124.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

PO#50124.exe

description	pid	process	target process
PID 1736 wrote to memory of 2628	1736	PO#50124.exe	PO#50124.exe
PID 1736 wrote to memory of 2628	1736	PO#50124.exe	PO#50124.exe
PID 1736 wrote to memory of 2628	1736	PO#50124.exe	PO#50124.exe
PID 1736 wrote to memory of 2628	1736	PO#50124.exe	PO#50124.exe
PID 1736 wrote to memory of 2628	1736	PO#50124.exe	PO#50124.exe
PID 1736 wrote to memory of 2628	1736	PO#50124.exe	PO#50124.exe
PID 1736 wrote to memory of 2628	1736	PO#50124.exe	PO#50124.exe
PID 1736 wrote to memory of 2628	1736	PO#50124.exe	PO#50124.exe
PID 1736 wrote to memory of 2628	1736	PO#50124.exe	PO#50124.exe

C:\Users\Admin\AppData\Local\Temp\PO#50124.exe
"C:\Users\Admin\AppData\Local\Temp\PO#50124.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1736

C:\Users\Admin\AppData\Local\Temp\PO#50124.exe
"C:\Users\Admin\AppData\Local\Temp\PO#50124.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628

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

Loading Replay Monitor...

Downloads

memory/1736-0-0x0000000001300000-0x00000000013AA000-memory.dmp

Filesize
680KB

Download
memory/1736-1-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/1736-2-0x0000000001190000-0x00000000011D0000-memory.dmp

Filesize
256KB

Download
memory/1736-3-0x0000000000920000-0x0000000000938000-memory.dmp

Filesize
96KB

Download
memory/1736-4-0x0000000000900000-0x000000000090E000-memory.dmp

Filesize
56KB

Download
memory/1736-5-0x0000000000980000-0x0000000000994000-memory.dmp

Filesize
80KB

Download
memory/1736-6-0x0000000004FE0000-0x0000000005062000-memory.dmp

Filesize
520KB

Download
memory/1736-23-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2628-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2628-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2628-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2628-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2628-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2628-24-0x0000000000CF0000-0x0000000000D30000-memory.dmp

Filesize
256KB

Download
memory/2628-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2628-22-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-25-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-26-0x0000000000CF0000-0x0000000000D30000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads