agenttesla | 040e4f311e84f09dd7b6c0d620deec64d1a7fad7d583736eac39ec353b47e334

General

Target

f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe
Size

384KB
MD5

f6aaf3bf6e57fd2fd94681b4539d3508
SHA1

3626b8975d4a78efce5121c3f33bb51692082517
SHA256

040e4f311e84f09dd7b6c0d620deec64d1a7fad7d583736eac39ec353b47e334
SHA512

7ae62ad022c211fdc9ac7291c6dea58b121b51822af3515ef4df208d5545e1980e21264a5ca21738a0a02de3136bf33db3da49700dac7d3e801b085447ebf3d2
SSDEEP

6144:7EKa2nxtTpx1ZWProrWAI9egvyxj2fsthhfmnQeBEtUqMrjyas1vjFm/EPW:7EKjxtn2yl2fwqQekKyzjIkW

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.strykeir.com
Port:
587
Username:
[email protected]
Password:
iyke112@@@333

Signatures

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

AgentTesla payload 3 IoCs

resource	yara_rule
behavioral1/memory/2580-9-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2580-13-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2580-11-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmrly = "C:\\\\Users\\\\Admin\\\\AppData\\\\Local\\\\tRSaKK\\\\kmrlyPDZp.hta"	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2580	2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.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	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2580	InstallUtil.exe
2580	InstallUtil.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2580	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2580	2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2580	2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2580	2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2580	2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2580	2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2580	2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2580	2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2580	2232	f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6aaf3bf6e57fd2fd94681b4539d3508_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
  "C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\InstallUtil.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2580

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/2232-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/2232-1-0x0000000000CB0000-0x0000000000D14000-memory.dmp

Filesize
400KB

Download
memory/2232-2-0x0000000000A90000-0x0000000000AEA000-memory.dmp

Filesize
360KB

Download
memory/2232-4-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2232-3-0x0000000000640000-0x0000000000692000-memory.dmp

Filesize
328KB

Download
memory/2232-5-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2232-15-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2232-14-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2580-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2580-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2580-16-0x0000000070BB1000-0x0000000070BB2000-memory.dmp

Filesize
4KB

Download
memory/2580-18-0x0000000070BB0000-0x000000007115B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-17-0x0000000070BB0000-0x000000007115B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-19-0x0000000070BB0000-0x000000007115B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-20-0x0000000070BB0000-0x000000007115B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-21-0x0000000070BB0000-0x000000007115B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-22-0x0000000070BB0000-0x000000007115B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-23-0x0000000070BB0000-0x000000007115B000-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