agenttesla | 8d98cc9cafea7bf31e27287f1002cbade82ac19f44d2b12584598509b8b10c99

General

Target

hesaphareketi001,pdf.exe
Size

645KB
MD5

a24efe06eef9d062d226bf5eec6606d3
SHA1

beebac09e6663d88f36d39027a10b1512970f7f6
SHA256

8d98cc9cafea7bf31e27287f1002cbade82ac19f44d2b12584598509b8b10c99
SHA512

66059895c17a8edd0688977ab81ffa7056cbbda6cc8ad10fcfc51e0ea88a4f9c3d29d63864ebce52810bdf26101861f195842ce7ae14dce762586aac5c419dfa

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cappac.com.tr
Port:
587
Username:
[email protected]
Password:
aTlcLVD6nhEE

Signatures

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

AgentTesla Payload 7 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe	family_agenttesla
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe	family_agenttesla
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe	family_agenttesla
behavioral1/memory/2004-14-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2004-15-0x000000000044712E-mapping.dmp	family_agenttesla
behavioral1/memory/2004-17-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2004-18-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

app.exeRegAsm.exe

pid process

1852 app.exe
2004 RegAsm.exe
Loads dropped DLL 3 IoCs

Processes:

hesaphareketi001,pdf.exeapp.exeRegAsm.exe

pid process

1448 hesaphareketi001,pdf.exe
1852 app.exe
2004 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

pid	process
1852	app.exe
2004	RegAsm.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\app = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\app.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

app.exe

description pid process target process

PID 1852 set thread context of 2004 1852 app.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1852 set thread context of 2004	1852	app.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

hesaphareketi001,pdf.exeapp.exeRegAsm.exe

pid	process
1448	hesaphareketi001,pdf.exe
1448	hesaphareketi001,pdf.exe
1448	hesaphareketi001,pdf.exe
1852	app.exe
1852	app.exe
1852	app.exe
2004	RegAsm.exe
2004	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

hesaphareketi001,pdf.exeapp.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1448 hesaphareketi001,pdf.exe
Token: SeDebugPrivilege 1852 app.exe
Token: SeDebugPrivilege 2004 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1448	hesaphareketi001,pdf.exe
Token: SeDebugPrivilege	1852	app.exe
Token: SeDebugPrivilege	2004	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

hesaphareketi001,pdf.execmd.exeapp.exe

description	pid	process	target process
PID 1448 wrote to memory of 1132	1448	hesaphareketi001,pdf.exe	cmd.exe
PID 1448 wrote to memory of 1132	1448	hesaphareketi001,pdf.exe	cmd.exe
PID 1448 wrote to memory of 1132	1448	hesaphareketi001,pdf.exe	cmd.exe
PID 1448 wrote to memory of 1132	1448	hesaphareketi001,pdf.exe	cmd.exe
PID 1132 wrote to memory of 1536	1132	cmd.exe	reg.exe
PID 1132 wrote to memory of 1536	1132	cmd.exe	reg.exe
PID 1132 wrote to memory of 1536	1132	cmd.exe	reg.exe
PID 1132 wrote to memory of 1536	1132	cmd.exe	reg.exe
PID 1448 wrote to memory of 1852	1448	hesaphareketi001,pdf.exe	app.exe
PID 1448 wrote to memory of 1852	1448	hesaphareketi001,pdf.exe	app.exe
PID 1448 wrote to memory of 1852	1448	hesaphareketi001,pdf.exe	app.exe
PID 1448 wrote to memory of 1852	1448	hesaphareketi001,pdf.exe	app.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe
PID 1852 wrote to memory of 2004	1852	app.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi001,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi001,pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v app /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1132

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v app /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe"
3⤵
- Adds Run key to start application
PID:1536

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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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
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe
MD5
a24efe06eef9d062d226bf5eec6606d3

SHA1
beebac09e6663d88f36d39027a10b1512970f7f6

SHA256
8d98cc9cafea7bf31e27287f1002cbade82ac19f44d2b12584598509b8b10c99

SHA512
66059895c17a8edd0688977ab81ffa7056cbbda6cc8ad10fcfc51e0ea88a4f9c3d29d63864ebce52810bdf26101861f195842ce7ae14dce762586aac5c419dfa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe
MD5
a24efe06eef9d062d226bf5eec6606d3

SHA1
beebac09e6663d88f36d39027a10b1512970f7f6

SHA256
8d98cc9cafea7bf31e27287f1002cbade82ac19f44d2b12584598509b8b10c99

SHA512
66059895c17a8edd0688977ab81ffa7056cbbda6cc8ad10fcfc51e0ea88a4f9c3d29d63864ebce52810bdf26101861f195842ce7ae14dce762586aac5c419dfa

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
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe
MD5
a24efe06eef9d062d226bf5eec6606d3

SHA1
beebac09e6663d88f36d39027a10b1512970f7f6

SHA256
8d98cc9cafea7bf31e27287f1002cbade82ac19f44d2b12584598509b8b10c99

SHA512
66059895c17a8edd0688977ab81ffa7056cbbda6cc8ad10fcfc51e0ea88a4f9c3d29d63864ebce52810bdf26101861f195842ce7ae14dce762586aac5c419dfa

Download Submit
memory/1132-3-0x0000000000000000-mapping.dmp

Download
memory/1448-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1536-4-0x0000000000000000-mapping.dmp

Download
memory/1852-6-0x0000000000000000-mapping.dmp

Download
memory/2004-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2004-15-0x000000000044712E-mapping.dmp

Download
memory/2004-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2004-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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