agenttesla | b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121

General

Target

b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
Size

1.5MB
MD5

648e6ba825d199c83245f55645d2cb4f
SHA1

cff7c413e89a04ed3bbc06b669100aa1ddf3808d
SHA256

b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121
SHA512

7c09e5de4fdbbc14fe53cb6845fc9de0ec1d50ed46d375dec5d9b7f41fe5079159dff8f38b6363661920bb9f3d53adae39884dbd6f01bab6891740ee5defd92b
SSDEEP

24576:1AGgCC6FIVG7MVGCAtX4HGqvIM3zk3Dv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:t/PPCAtX4mqv3WjLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
curtisswright.me
Port:
587
Username:
[email protected]
Password:
BRIAN22@123456789

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3008	powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Microsoft.exe"	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
1460	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
1460	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
3008	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
Token: SeDebugPrivilege	1460	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
Token: SeDebugPrivilege	3008	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1460	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 3008	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	30
PID 3028 wrote to memory of 3008	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	30
PID 3028 wrote to memory of 3008	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	30
PID 3028 wrote to memory of 3008	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	30
PID 3028 wrote to memory of 2964	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	31
PID 3028 wrote to memory of 2964	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	31
PID 3028 wrote to memory of 2964	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	31
PID 3028 wrote to memory of 2964	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	31
PID 3028 wrote to memory of 1560	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	34
PID 3028 wrote to memory of 1560	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	34
PID 3028 wrote to memory of 1560	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	34
PID 3028 wrote to memory of 1560	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	34
PID 3028 wrote to memory of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35
PID 3028 wrote to memory of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35
PID 3028 wrote to memory of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35
PID 3028 wrote to memory of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35
PID 3028 wrote to memory of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35
PID 3028 wrote to memory of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35
PID 3028 wrote to memory of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35
PID 3028 wrote to memory of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35
PID 3028 wrote to memory of 1460	3028	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe

C:\Users\Admin\AppData\Local\Temp\b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
"C:\Users\Admin\AppData\Local\Temp\b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TUKApijk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3008
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TUKApijk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2964
- C:\Users\Admin\AppData\Local\Temp\b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
  "C:\Users\Admin\AppData\Local\Temp\b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe"
  2⤵
  PID:1560
- C:\Users\Admin\AppData\Local\Temp\b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe
  "C:\Users\Admin\AppData\Local\Temp\b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp36A.tmp

Filesize
1KB

MD5
3a6b263bbae5bc68994c7ee11c49a7f8

SHA1
33deaf9847da8d8ad8ae4364c2efdd09ff945e1b

SHA256
58bffb2e8bee9b8e5c3be2db672ebd5dcb654c6c6de982c91d74a247737850cf

SHA512
6bc3b41153dd315271ae57f374a385448d568b884f870f42f953cd9b5fec71c5104e01e7c0d88140a0074ca7e524543828764301335c7123d934d23d84db9ae1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Microsoft.exe

Filesize
1.5MB

MD5
648e6ba825d199c83245f55645d2cb4f

SHA1
cff7c413e89a04ed3bbc06b669100aa1ddf3808d

SHA256
b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121

SHA512
7c09e5de4fdbbc14fe53cb6845fc9de0ec1d50ed46d375dec5d9b7f41fe5079159dff8f38b6363661920bb9f3d53adae39884dbd6f01bab6891740ee5defd92b

Download Submit
memory/1460-18-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1460-25-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1460-14-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1460-16-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1460-20-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1460-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1460-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1460-24-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3028-7-0x000000000A380000-0x000000000A400000-memory.dmp

Filesize
512KB

Download
memory/3028-13-0x00000000047F0000-0x000000000482A000-memory.dmp

Filesize
232KB

Download
memory/3028-2-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-3-0x0000000000640000-0x0000000000658000-memory.dmp

Filesize
96KB

Download
memory/3028-6-0x00000000004C0000-0x00000000004CC000-memory.dmp

Filesize
48KB

Download
memory/3028-0-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

Filesize
4KB

Download
memory/3028-5-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-4-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

Filesize
4KB

Download
memory/3028-26-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-1-0x0000000000F00000-0x000000000107C000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads