agenttesla | a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a

General

Target

a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe
Size

672KB
MD5

1d8c5978c488b34fbbdd7e4f3d004e05
SHA1

78012b122c2005c14fc47074d6dff0b5576bef9d
SHA256

a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a
SHA512

5a319bdb918bf714e88e19527e1aa7f06eb06a3f66938b69e20a338df440cc0fae5f92f4dc2224dd3ddba403f81a5ab58362abe63fa1c6b4e38ec51ab568399e
SSDEEP

12288:urEAmDBPc3B4dcSlcEko2nsCj0CNDtJUy+QzKqWxGf3eb6O0JnWie:krSlcTs+0MULQzKu31zZQ

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.trisquarespl.com
Port:
587
Username:
[email protected]
Password:
uhzJADD6

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.trisquarespl.com
Port:
587
Username:
[email protected]
Password:
uhzJADD6
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. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2496-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2496-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1204-6-0x000001E1EAFF0000-0x000001E1EB084000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2496-7-0x0000000000400000-0x0000000000440000-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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2496-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2496-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2496-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

26 api.ipify.org
25 api.ipify.org

flow	ioc
26	api.ipify.org
25	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe

description	pid	process	target process
PID 1204 set thread context of 2496	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CasPol.exe

pid process

2496 CasPol.exe
2496 CasPol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CasPol.exe

description pid process

Token: SeDebugPrivilege 2496 CasPol.exe

pid	process
2496	CasPol.exe
2496	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	2496	CasPol.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe

description	pid	process	target process
PID 1204 wrote to memory of 1732	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	regasm.exe
PID 1204 wrote to memory of 1732	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	regasm.exe
PID 1204 wrote to memory of 1732	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	regasm.exe
PID 1204 wrote to memory of 2496	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 2496	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 2496	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 2496	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 2496	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 2496	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 2496	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 2496	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 3692	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 3692	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe
PID 1204 wrote to memory of 3692	1204	a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe
"C:\Users\Admin\AppData\Local\Temp\a143da5889aa739a18399bf2d4fe6352191eaa06ed7ef2568dfd57983eaa416a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
PID:1732

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2496

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
PID:3692

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1204-12-0x00007FFE80DA0000-0x00007FFE81861000-memory.dmp

Filesize
10.8MB

Download
memory/1204-2-0x000001E1EAF70000-0x000001E1EAFE6000-memory.dmp

Filesize
472KB

Download
memory/1204-0-0x000001E1D0AA0000-0x000001E1D0ABC000-memory.dmp

Filesize
112KB

Download
memory/1204-3-0x000001E1D0E70000-0x000001E1D0E8E000-memory.dmp

Filesize
120KB

Download
memory/1204-4-0x00007FFE80DA0000-0x00007FFE81861000-memory.dmp

Filesize
10.8MB

Download
memory/1204-5-0x000001E1D0E50000-0x000001E1D0E56000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x000001E1EAFF0000-0x000001E1EB084000-memory.dmp

Filesize
592KB

Download
memory/1204-1-0x00007FFE80DA3000-0x00007FFE80DA5000-memory.dmp

Filesize
8KB

Download
memory/2496-18-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/2496-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2496-11-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/2496-10-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/2496-8-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/2496-13-0x00000000068C0000-0x0000000006910000-memory.dmp

Filesize
320KB

Download
memory/2496-14-0x00000000069B0000-0x0000000006A4C000-memory.dmp

Filesize
624KB

Download
memory/2496-15-0x0000000006AF0000-0x0000000006B82000-memory.dmp

Filesize
584KB

Download
memory/2496-16-0x0000000006A60000-0x0000000006A6A000-memory.dmp

Filesize
40KB

Download
memory/2496-17-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/2496-9-0x0000000005C90000-0x0000000006234000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads