Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 16:51
Static task
static1
Behavioral task
behavioral1
Sample
6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
-
Target
6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe
-
Size
554KB
-
MD5
6f2f5086cf3684fd4058c8346b9bc014
-
SHA1
55bb5f38ad70f305524fbcb02db196b810f905e8
-
SHA256
4e7718c246accd9b6ef74fc052a59a429db00761f87d1d62d6fe422643b48023
-
SHA512
8c89acbaa4debbcf8dd95effea7be38934f0c561261306b6942a2f42cc5e10d8fe19b3df740d6915f74b641ed386e7a41d26fda2cbcbe1ae36bcf42c15224fd5
-
SSDEEP
12288:AW66kqD2wGOWbDud8t9hmKi1dTTgIMUE:AW62D2w1Wv409hmv1dTThMUE
Malware Config
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral2/memory/1908-4-0x00000000032D0000-0x00000000032FC000-memory.dmp agile_net -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyOtApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyOtApp\\MyOtApp.exe" RegAsm.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.
Processes:
flow ioc 33 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exedescription pid process target process PID 1908 set thread context of 4740 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 4740 RegAsm.exe 4740 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe Token: SeDebugPrivilege 4740 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 4740 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exedescription pid process target process PID 1908 wrote to memory of 4740 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe RegAsm.exe PID 1908 wrote to memory of 4740 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe RegAsm.exe PID 1908 wrote to memory of 4740 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe RegAsm.exe PID 1908 wrote to memory of 4740 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe RegAsm.exe PID 1908 wrote to memory of 4740 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe RegAsm.exe PID 1908 wrote to memory of 4740 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe RegAsm.exe PID 1908 wrote to memory of 4740 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe RegAsm.exe PID 1908 wrote to memory of 4740 1908 6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1908-10-0x0000000005C30000-0x0000000005CCC000-memory.dmpFilesize
624KB
-
memory/1908-2-0x0000000005D50000-0x00000000062F4000-memory.dmpFilesize
5.6MB
-
memory/1908-0-0x0000000074FCE000-0x0000000074FCF000-memory.dmpFilesize
4KB
-
memory/1908-3-0x0000000005670000-0x0000000005702000-memory.dmpFilesize
584KB
-
memory/1908-4-0x00000000032D0000-0x00000000032FC000-memory.dmpFilesize
176KB
-
memory/1908-5-0x0000000074FC0000-0x0000000075770000-memory.dmpFilesize
7.7MB
-
memory/1908-6-0x0000000074FC0000-0x0000000075770000-memory.dmpFilesize
7.7MB
-
memory/1908-7-0x0000000074FCE000-0x0000000074FCF000-memory.dmpFilesize
4KB
-
memory/1908-13-0x0000000074FC0000-0x0000000075770000-memory.dmpFilesize
7.7MB
-
memory/1908-9-0x0000000074FC0000-0x0000000075770000-memory.dmpFilesize
7.7MB
-
memory/1908-8-0x0000000074FC0000-0x0000000075770000-memory.dmpFilesize
7.7MB
-
memory/1908-1-0x0000000000C10000-0x0000000000CA0000-memory.dmpFilesize
576KB
-
memory/4740-24-0x0000000074FC0000-0x0000000075770000-memory.dmpFilesize
7.7MB
-
memory/4740-14-0x0000000074FC0000-0x0000000075770000-memory.dmpFilesize
7.7MB
-
memory/4740-15-0x0000000074FC0000-0x0000000075770000-memory.dmpFilesize
7.7MB
-
memory/4740-16-0x0000000005850000-0x0000000005868000-memory.dmpFilesize
96KB
-
memory/4740-17-0x0000000005B00000-0x0000000005B66000-memory.dmpFilesize
408KB
-
memory/4740-20-0x0000000006CA0000-0x0000000006CAA000-memory.dmpFilesize
40KB
-
memory/4740-21-0x0000000007210000-0x0000000007260000-memory.dmpFilesize
320KB
-
memory/4740-22-0x00000000072A0000-0x00000000072AA000-memory.dmpFilesize
40KB
-
memory/4740-23-0x0000000074FC0000-0x0000000075770000-memory.dmpFilesize
7.7MB
-
memory/4740-11-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB