agenttesla | 8be3d9fb5ce2c1c187244380cd93ae8282b3e1b9c8f2dfc00a935c078bf464e3

General

Target

PqtuwQbAQoqcY27.exe
Size

468KB
MD5

b77e4a6f2c6abab6cf1dc6d4ab5dac2a
SHA1

a9c585aac523a7d643b5fbf5c6e722123a5f9dde
SHA256

bc83ce6a585ef0217f5088832b31be76b70a4e3b2c6e8212995c64cf71b7ded4
SHA512

331977a56172144cf6c8d21ec091a3b913c7815242433335651a5d1c99c4b11a484246fc5b5fd05c89fdc54b64a8731f136c3698c646d1b8b9b753da3388bdc0
SSDEEP

12288:yUi2iNrIEj0Oh09Nibsrmroee/8r5Z1x:yUi1hIyMSs6y/WXx

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.upgcambodia.com
Port:
587
Username:
[email protected]
Password:
stock3168

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2816-11-0x0000000000400000-0x000000000043C000-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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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-1-5-21-3227495264-2217614367-4027411560-1000\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 3296 set thread context of 2816	3296	PqtuwQbAQoqcY27.exe	91

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	PqtuwQbAQoqcY27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3296	PqtuwQbAQoqcY27.exe
3296	PqtuwQbAQoqcY27.exe
2816	RegSvcs.exe
2816	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3296	PqtuwQbAQoqcY27.exe
Token: SeDebugPrivilege	2816	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 2816	3296	PqtuwQbAQoqcY27.exe	91
PID 3296 wrote to memory of 2816	3296	PqtuwQbAQoqcY27.exe	91
PID 3296 wrote to memory of 2816	3296	PqtuwQbAQoqcY27.exe	91
PID 3296 wrote to memory of 2816	3296	PqtuwQbAQoqcY27.exe	91
PID 3296 wrote to memory of 2816	3296	PqtuwQbAQoqcY27.exe	91
PID 3296 wrote to memory of 2816	3296	PqtuwQbAQoqcY27.exe	91
PID 3296 wrote to memory of 2816	3296	PqtuwQbAQoqcY27.exe	91
PID 3296 wrote to memory of 2816	3296	PqtuwQbAQoqcY27.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PqtuwQbAQoqcY27.exe
"C:\Users\Admin\AppData\Local\Temp\PqtuwQbAQoqcY27.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3296
- 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:2816

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/2816-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-24-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/2816-23-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/2816-22-0x0000000001400000-0x0000000001450000-memory.dmp

Filesize
320KB

Download
memory/2816-19-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/2816-18-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/2816-17-0x0000000006450000-0x00000000064B6000-memory.dmp

Filesize
408KB

Download
memory/2816-16-0x00000000056D0000-0x00000000056E8000-memory.dmp

Filesize
96KB

Download
memory/2816-15-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/2816-13-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3296-5-0x0000000005900000-0x000000000590A000-memory.dmp

Filesize
40KB

Download
memory/3296-10-0x00000000066D0000-0x0000000006730000-memory.dmp

Filesize
384KB

Download
memory/3296-14-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3296-9-0x0000000006770000-0x000000000680C000-memory.dmp

Filesize
624KB

Download
memory/3296-8-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3296-7-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/3296-6-0x0000000005AB0000-0x0000000005ABE000-memory.dmp

Filesize
56KB

Download
memory/3296-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/3296-4-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3296-3-0x0000000005970000-0x0000000005A02000-memory.dmp

Filesize
584KB

Download
memory/3296-2-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/3296-1-0x0000000000E90000-0x0000000000F0C000-memory.dmp

Filesize
496KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads