agenttesla | 6c7b502a4f9a3b16613d4f454cc1eec8c9cc450848f55f1252dfbf36b90c7202

Analysis

max time kernel
127s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 13:42

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General

Target

edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe
Size

566KB
MD5

edb6b198f5291e2f1b7ef1b88ec454b6
SHA1

5fcf40c5e5a27f7dc2d2d02ddaeb372b92973617
SHA256

6c7b502a4f9a3b16613d4f454cc1eec8c9cc450848f55f1252dfbf36b90c7202
SHA512

940a25301a9e8d2843c0a6e820faa20a1e99c9b7cc9e507f23b923d524069348b5987e4abdfd889d3c897fa5dd822895709177559c19879b73163389a5bf2a4e
SSDEEP

12288:0J7W4z3sB1ST/5CHxiMHR8+4cOY482mtdfpFx2R:y7WusSbUH3x8+GY482mtFk

Score

10^/10

agenttesla collection credential_access defense_evasion discovery 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 payload 1 IoCs

resource	yara_rule
behavioral2/memory/4644-28-0x0000000000400000-0x0000000000450000-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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	Microsoft.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3608	Microsoft.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 2 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
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-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyApp\\MyApp.exe"	RegAsm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft.exe -boot"	Microsoft.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3608 set thread context of 4644	3608	Microsoft.exe	112

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 4 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft.exe:Zone.Identifier	cmd.exe

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 9 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

NTFS ADS 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe:Zone.Identifier	cmd.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft.exe\:Zone.Identifier:$DATA	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4644	RegAsm.exe
4644	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe
Token: SeDebugPrivilege	3608	Microsoft.exe
Token: SeDebugPrivilege	4644	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4644	RegAsm.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 800	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	97
PID 1408 wrote to memory of 800	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	97
PID 1408 wrote to memory of 800	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	97
PID 1408 wrote to memory of 2012	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	99
PID 1408 wrote to memory of 2012	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	99
PID 1408 wrote to memory of 2012	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	99
PID 1408 wrote to memory of 1772	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	101
PID 1408 wrote to memory of 1772	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	101
PID 1408 wrote to memory of 1772	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	101
PID 1408 wrote to memory of 5004	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	105
PID 1408 wrote to memory of 5004	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	105
PID 1408 wrote to memory of 5004	1408	edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe	105
PID 5004 wrote to memory of 3608	5004	cmd.exe	107
PID 5004 wrote to memory of 3608	5004	cmd.exe	107
PID 5004 wrote to memory of 3608	5004	cmd.exe	107
PID 3608 wrote to memory of 4336	3608	Microsoft.exe	108
PID 3608 wrote to memory of 4336	3608	Microsoft.exe	108
PID 3608 wrote to memory of 4336	3608	Microsoft.exe	108
PID 3608 wrote to memory of 2004	3608	Microsoft.exe	110
PID 3608 wrote to memory of 2004	3608	Microsoft.exe	110
PID 3608 wrote to memory of 2004	3608	Microsoft.exe	110
PID 3608 wrote to memory of 4644	3608	Microsoft.exe	112
PID 3608 wrote to memory of 4644	3608	Microsoft.exe	112
PID 3608 wrote to memory of 4644	3608	Microsoft.exe	112
PID 3608 wrote to memory of 4644	3608	Microsoft.exe	112
PID 3608 wrote to memory of 4644	3608	Microsoft.exe	112
PID 3608 wrote to memory of 4644	3608	Microsoft.exe	112
PID 3608 wrote to memory of 4644	3608	Microsoft.exe	112
PID 3608 wrote to memory of 4644	3608	Microsoft.exe	112

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe:Zone.Identifier"
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  PID:800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe:Zone.Identifier"
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  PID:2012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\edb6b198f5291e2f1b7ef1b88ec454b6_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\Microsoft.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  PID:1772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5004
- - C:\Users\Admin\AppData\Roaming\Microsoft.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3608
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Roaming\Microsoft.exe:Zone.Identifier"
      4⤵
      Subvert Trust Controls: Mark-of-the-Web Bypass
      System Location Discovery: System Language Discovery
      NTFS ADS
      PID:4336
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Roaming\Microsoft.exe:Zone.Identifier"
      4⤵
      Subvert Trust Controls: Mark-of-the-Web Bypass
      System Location Discovery: System Language Discovery
      NTFS ADS
      PID:2004
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      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:4644

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4436 /prefetch:8
1⤵
PID:768

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

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

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

Query Registry

T1012

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

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Downloads

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

Filesize
566KB

MD5
edb6b198f5291e2f1b7ef1b88ec454b6

SHA1
5fcf40c5e5a27f7dc2d2d02ddaeb372b92973617

SHA256
6c7b502a4f9a3b16613d4f454cc1eec8c9cc450848f55f1252dfbf36b90c7202

SHA512
940a25301a9e8d2843c0a6e820faa20a1e99c9b7cc9e507f23b923d524069348b5987e4abdfd889d3c897fa5dd822895709177559c19879b73163389a5bf2a4e

Download Submit
memory/1408-18-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1408-8-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

Filesize
136KB

Download
memory/1408-13-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1408-4-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1408-5-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download
memory/1408-6-0x0000000004F30000-0x0000000004F3A000-memory.dmp

Filesize
40KB

Download
memory/1408-7-0x0000000005B40000-0x0000000005D02000-memory.dmp

Filesize
1.8MB

Download
memory/1408-2-0x000000007507E000-0x000000007507F000-memory.dmp

Filesize
4KB

Download
memory/1408-9-0x00000000062C0000-0x0000000006864000-memory.dmp

Filesize
5.6MB

Download
memory/1408-10-0x0000000004F40000-0x0000000004F4C000-memory.dmp

Filesize
48KB

Download
memory/1408-11-0x0000000005A50000-0x0000000005AE2000-memory.dmp

Filesize
584KB

Download
memory/1408-12-0x0000000004FD0000-0x0000000004FD6000-memory.dmp

Filesize
24KB

Download
memory/1408-3-0x0000000004E90000-0x0000000004EBA000-memory.dmp

Filesize
168KB

Download
memory/1408-0-0x000000007507E000-0x000000007507F000-memory.dmp

Filesize
4KB

Download
memory/1408-1-0x0000000000520000-0x00000000005B4000-memory.dmp

Filesize
592KB

Download
memory/3608-26-0x0000000005520000-0x000000000552C000-memory.dmp

Filesize
48KB

Download
memory/3608-23-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3608-24-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3608-25-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3608-22-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3608-27-0x0000000005EC0000-0x0000000005F5C000-memory.dmp

Filesize
624KB

Download
memory/3608-30-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4644-28-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4644-31-0x00000000058C0000-0x00000000058D8000-memory.dmp

Filesize
96KB

Download
memory/4644-34-0x0000000006500000-0x000000000650A000-memory.dmp

Filesize
40KB

Download
memory/4644-35-0x0000000006AF0000-0x0000000006B40000-memory.dmp

Filesize
320KB

Download
memory/4644-36-0x0000000006830000-0x000000000683A000-memory.dmp

Filesize
40KB

Download