agenttesla | 62f4cca09be2d3acfb07f17bd628ac1e73db2e56bf5b271bba29c60dbd8b6b68

General

Target

PO279476798.exe
Size

549KB
MD5

da2463ee710cf1233d7af8d1ece47d0a
SHA1

128273d895b7085414e0b6859cd045aee6a4eaa3
SHA256

13f96451e9e4a07f4644b225e93b510a8b226dd77d1d5d6b2c04e3d51681a4c7
SHA512

84b2aaf79a10119d1458245a5d8f093e1e7aedb33e9277b80c691ae399b61576e4d9a10796eaaedbff0e5042fe7ca13fc5f6069326a1ebdaf49bbb6d045b4a8d
SSDEEP

12288:Exde6nv/lQVDc9ZJAGDxtERgVYGG9Swm9F/kVc8PTxY7SR:ExdeivNQFcLTXERgBGZYJkVH

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cortlandfire.org
Port:
587
Username:
[email protected]
Password:
UsMc2336

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2336-6-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DsWhv = "C:\\Users\\Admin\\AppData\\Roaming\\DsWhv\\DsWhv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5092 set thread context of 2336	5092	PO279476798.exe	97

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	PO279476798.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
5092	PO279476798.exe
5092	PO279476798.exe
5092	PO279476798.exe
2336	RegSvcs.exe
2336	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5092	PO279476798.exe
Token: SeDebugPrivilege	2336	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 2336	5092	PO279476798.exe	97
PID 5092 wrote to memory of 2336	5092	PO279476798.exe	97
PID 5092 wrote to memory of 2336	5092	PO279476798.exe	97
PID 5092 wrote to memory of 2336	5092	PO279476798.exe	97
PID 5092 wrote to memory of 2336	5092	PO279476798.exe	97
PID 5092 wrote to memory of 2336	5092	PO279476798.exe	97
PID 5092 wrote to memory of 2336	5092	PO279476798.exe	97
PID 5092 wrote to memory of 2336	5092	PO279476798.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO279476798.exe
"C:\Users\Admin\AppData\Local\Temp\PO279476798.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - 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:2336

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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/2336-13-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2336-8-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2336-17-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2336-16-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2336-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2336-15-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2336-12-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2336-11-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2336-10-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/5092-4-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/5092-9-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/5092-1-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/5092-0-0x0000000074702000-0x0000000074703000-memory.dmp

Filesize
4KB

Download
memory/5092-5-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/5092-3-0x0000000074702000-0x0000000074703000-memory.dmp

Filesize
4KB

Download
memory/5092-2-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads