agenttesla | be3453f1cc2e279d9dcb10b1238d0c492fcb21537340444a7859d5c317c7bca2

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 23:43

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General

Target

f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe
Size

283KB
MD5

f9463d9c2f292beae964eef71739e060
SHA1

27629e0354a72d063772ab0a44c36898b51a1194
SHA256

be3453f1cc2e279d9dcb10b1238d0c492fcb21537340444a7859d5c317c7bca2
SHA512

2e9ae41abd87531e2412db81893fcc15a9628f6dcbfd8e696af6eb8af8ee72f2757adae3c9da5bcd108be651fa4ced6f065edfd01a1bf60a7d7c66c922040f82
SSDEEP

3072:1iCKSxGuKheuHOMTzJGCtV0qxPgVGJ4g69tc6wiXm+oVdDsNMhE4iYs5HayMiESK:1QnJxBJ4g6oiW9pEMhECscv3Aj/gIYE

Score

10^/10

agenttesla collection credential_access discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion
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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9463d9c2f292beae964eef71739e060_JaffaCakes118.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\MyOtApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyOtApp\\MyOtApp.exe"	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f9463d9c2f292beae964eef71739e060_JaffaCakes118.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	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2368 set thread context of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	REG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2920	REG.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1956	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe
1956	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1956	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1956	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1956	2368	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	30
PID 1956 wrote to memory of 2920	1956	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	33
PID 1956 wrote to memory of 2920	1956	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	33
PID 1956 wrote to memory of 2920	1956	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	33
PID 1956 wrote to memory of 2920	1956	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe	33

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f9463d9c2f292beae964eef71739e060_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  - outlook_office_path
  - outlook_win_path
  PID:1956
- - C:\Windows\SysWOW64\REG.exe
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1956-16-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-17-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1956-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1956-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1956-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1956-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1956-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1956-20-0x0000000002040000-0x000000000204A000-memory.dmp

Filesize
40KB

Download
memory/1956-18-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1956-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2368-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2368-1-0x0000000000A60000-0x0000000000AAC000-memory.dmp

Filesize
304KB

Download
memory/2368-15-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-14-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download