agenttesla | 54b87c735e53dc46cb15851c539dd0d020850f36df0fe8847b3b646ef7f3bb09

General

Target

Payment Advise 16th-06-2020_PDF.exe
Size

598KB
MD5

fbc4dfd8c27de605878999bb9f926476
SHA1

2cdf59053c9e0dab274f669e7d469c6d4c765164
SHA256

8f7831eb11d3b735517f5a32630d2c610caf3046e39c60c08fb42d0d864aa3b7
SHA512

6a6ba3853e6c8b7497ede01f1e55bd5322945923271eca402b85587e6abb74d08933df1a06f6a9083301894b71848ca0320e34a834efad5a547fd4579ded4b30

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.karcek.com.tr
Port:
587
Username:
info@karcek.com.tr
Password:
Ahmet.6193

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1744-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1744-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1744-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1744-64-0x0000000000446EEE-mapping.dmp	family_agenttesla
behavioral1/memory/1744-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1744-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Advise 16th-06-2020_PDF.exe

description pid process target process

PID 884 set thread context of 1744 884 Payment Advise 16th-06-2020_PDF.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1700 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1820 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1744 RegSvcs.exe
1744 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1744 RegSvcs.exe

description	pid	process	target process
PID 884 set thread context of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe

pid	process
1700	schtasks.exe

pid	process
1820	REG.exe

pid	process
1744	RegSvcs.exe
1744	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1744	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Payment Advise 16th-06-2020_PDF.exeRegSvcs.exe

description	pid	process	target process
PID 884 wrote to memory of 1700	884	Payment Advise 16th-06-2020_PDF.exe	schtasks.exe
PID 884 wrote to memory of 1700	884	Payment Advise 16th-06-2020_PDF.exe	schtasks.exe
PID 884 wrote to memory of 1700	884	Payment Advise 16th-06-2020_PDF.exe	schtasks.exe
PID 884 wrote to memory of 1700	884	Payment Advise 16th-06-2020_PDF.exe	schtasks.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 884 wrote to memory of 1744	884	Payment Advise 16th-06-2020_PDF.exe	RegSvcs.exe
PID 1744 wrote to memory of 1820	1744	RegSvcs.exe	REG.exe
PID 1744 wrote to memory of 1820	1744	RegSvcs.exe	REG.exe
PID 1744 wrote to memory of 1820	1744	RegSvcs.exe	REG.exe
PID 1744 wrote to memory of 1820	1744	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Payment Advise 16th-06-2020_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advise 16th-06-2020_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OlePxWAQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC562.tmp"
2⤵
- Creates scheduled task(s)
PID:1700

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1744

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer / v NoRun / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:1820

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC562.tmp
Filesize
1KB

MD5
be881527bb6a5eaac07a9bbb0720a224

SHA1
bf8ec644aeba76f654a0c1296a69e1de8889c6c9

SHA256
66d95421d8b3746031178700e47df028d529979dc9cd92076126ebf3af00572e

SHA512
3c75b8020c2beaf20824e2bad9a8b4cec738918e2eeabab63bd0f1060d93ba2b47da491748009dd89fb40da2c27449bf70bc9e015a5aff5308d219296435369f

Download Submit
memory/884-54-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/884-55-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/1700-56-0x0000000000000000-mapping.dmp

Download
memory/1744-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-64-0x0000000000446EEE-mapping.dmp

Download
memory/1744-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-70-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1820-71-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads