agenttesla | 4a0df85f8524e068355662a6ad8cbc1312a468c68c30af0be14ab3a7ef3429b5

General

Target

New POs# ST-2312180 to ST-2312182.exe
Size

1.3MB
MD5

b30d2c0c5d2a7eb1d14fcbee93a3dfb5
SHA1

03a916e21638160bcc2c60a223ea6effbafbe9b6
SHA256

3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7
SHA512

8edcef9ba3e7c0220edc57aedb42a916298da358b76a278321b055897f5f709a88ecdf850894e1f6afe0febdf4fbecc637c39c75b064b7ca94cf01988136bf71
SSDEEP

24576:xtb20pkaCqT5TBWgNQ7aKq1LnckdvRHADmacmzi/rYApm6A:CVg5tQ7aK45OSB+is5

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
w#chNV#1
Email To:
[email protected]

Signatures

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

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe"	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1876 set thread context of 2700	1876	New POs# ST-2312180 to ST-2312182.exe	30

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	New POs# ST-2312180 to ST-2312182.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2700	RegSvcs.exe
2700	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1876	New POs# ST-2312180 to ST-2312182.exe
1876	New POs# ST-2312180 to ST-2312182.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1876	New POs# ST-2312180 to ST-2312182.exe
1876	New POs# ST-2312180 to ST-2312182.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1876	New POs# ST-2312180 to ST-2312182.exe
1876	New POs# ST-2312180 to ST-2312182.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2700	1876	New POs# ST-2312180 to ST-2312182.exe	30
PID 1876 wrote to memory of 2700	1876	New POs# ST-2312180 to ST-2312182.exe	30
PID 1876 wrote to memory of 2700	1876	New POs# ST-2312180 to ST-2312182.exe	30
PID 1876 wrote to memory of 2700	1876	New POs# ST-2312180 to ST-2312182.exe	30
PID 1876 wrote to memory of 2700	1876	New POs# ST-2312180 to ST-2312182.exe	30
PID 1876 wrote to memory of 2700	1876	New POs# ST-2312180 to ST-2312182.exe	30
PID 1876 wrote to memory of 2700	1876	New POs# ST-2312180 to ST-2312182.exe	30
PID 1876 wrote to memory of 2700	1876	New POs# ST-2312180 to ST-2312182.exe	30

C:\Users\Admin\AppData\Local\Temp\New POs# ST-2312180 to ST-2312182.exe
"C:\Users\Admin\AppData\Local\Temp\New POs# ST-2312180 to ST-2312182.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\New POs# ST-2312180 to ST-2312182.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2700

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1876-2-0x0000000000630000-0x0000000000A30000-memory.dmp

Filesize
4.0MB

Download
memory/2700-9-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2700-12-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2700-5-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2700-4-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2700-13-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/2700-14-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-16-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/2700-17-0x0000000074500000-0x0000000074BEE000-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