agenttesla | 6e7a10a1e3d148c3c27a669706d282d6a23f45399b87ef77c2f7737dc6d13dc1

General

Target

PAYMENT INSTRUCTIONS COPY.exe
Size

508KB
MD5

0b5beef801a105065d60c914ddfe9d35
SHA1

65b5d01bd6a75c690ef1b3912dfd964e7d220474
SHA256

1496e0af114dcc7b8a582a6640cd662e03682597021c5443b713d238093e8097
SHA512

3f4b8718bddba82e2d2c0791d63980e54b348af1e0e7eedea1fde66308db093c24c56445586789b195ce2691152969403242b5b26badec300fa27c358d6c2a7e
SSDEEP

12288:bnrspLUi2iNDMrU2tmm9Az51qhimWJTfoTESU5x7GGuhoE:DgBUi1FMqzLEpWJTRx7Eh5

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg2plcpnl0023.prod.sin2.secureserver.net
Port:
587
Username:
[email protected]
Password:
User@40378

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2520-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2520-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2520-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2520-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2520-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PAYMENT INSTRUCTIONS COPY.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2044	PAYMENT INSTRUCTIONS COPY.exe
2044	PAYMENT INSTRUCTIONS COPY.exe
2520	RegSvcs.exe
2520	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	PAYMENT INSTRUCTIONS COPY.exe
Token: SeDebugPrivilege	2520	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31
PID 2044 wrote to memory of 2520	2044	PAYMENT INSTRUCTIONS COPY.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT INSTRUCTIONS COPY.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT INSTRUCTIONS COPY.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2044-21-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2044-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2044-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2044-3-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2044-1-0x0000000001310000-0x0000000001396000-memory.dmp

Filesize
536KB

Download
memory/2044-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2044-6-0x0000000005420000-0x0000000005480000-memory.dmp

Filesize
384KB

Download
memory/2044-2-0x0000000000450000-0x000000000045E000-memory.dmp

Filesize
56KB

Download
memory/2520-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-22-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-20-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-23-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-26-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-27-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads