Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/10/2026, 15:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Dropper.Win32.Agent.ekcc.dll
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Dropper.Win32.Agent.ekcc.dll
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Dropper.Win32.Agent.ekcc.dll
- Size 21KB
- Sample261006-s8vmzsav2w
- SHA256 3c394801ade4eba01471c93207fc302e6a5f54df45e207da1720aa6ebaf9cd36
- MD5 797f0540689d35fa87d3c9754e07f824
- SHA1 2840cabf381b325ed65fe6adc0c2a88b698f622d
- SHA512 2966f97db83795ab3faff2f648bb19b81a5b41dc7a412ab05d62a08c959f617bbe41e5152b9cd65adade1992ee7c2bb668b9e6b72a23ba24aed6c53af1c00a79
- SSDEEP 384:3QJtz1TPXu+xQrZ6WDkTiy8H2V9XPM8wOPZU:6V1TXu+xwZkTi5AFTP+
- TLSH T1D8A21A5BAB4849B3D3E50770A5E39C1776F238B5536451ABCAB3039018B0B7AED39703
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5604 update.exe - Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\update.exe regsvr32.exe File created C:\Windows\SysWOW64\mspmsnsv.dll update.exe File opened for modification C:\Windows\SysWOW64\mspmsnsv.dll update.exe File opened for modification C:\Windows\SysWOW64\sfc.exe update.exe File created C:\Windows\SysWOW64\mstd32.dll update.exe File opened for modification C:\Windows\SysWOW64\mstd32.dll update.exe - System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language update.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe - Runs net.exe
- Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5604 update.exe 5604 update.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5604 update.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5948 wrote to memory of 1676 5948 regsvr32.exe 88 PID 1676 wrote to memory of 5604 1676 regsvr32.exe 90 PID 5604 wrote to memory of 4108 5604 update.exe 91 PID 4108 wrote to memory of 5572 4108 net.exe 93
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.ekcc.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5948 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.ekcc.dll2⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\update.exeC:\Windows\system32\update.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5604 -
C:\Windows\SysWOW64\net.exenet start WmdmPmSN4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start WmdmPmSN5⤵
- System Location Discovery: System Language Discovery
PID:5572
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\update.exe
- Size 19KB
- SHA256 34e42a54a2e528db23bdca2778cccaf94720b38b3af7d11bdb5e403b9d567a80
- MD5 0f9ddbed14277232f39d10f6c76c9163
- SHA1 07eb619d10d9928e463d0b0b8818cfd072cfa4a3
- SHA512 9fda8c176954810aa0e2a1ffa659dd0d3fdc1a46ecdeea0229acd38b69a419e47d80dabe23f8cfb07d6c1a2a814efbf97a6d1cdfe94af09a5faa87b53649b080
- SSDEEP 384:tQJtz1TPXu+xQrZ6WDkTiy8H2V9XPM8wOPZ:4V1TXu+xwZkTi5AFTP
- TLSH T1DC923B5BA78845B3E3D60770A6E39C2B7AF235B55360559AC9B303801860F2BED39B53
- MD5 SHA1 SHA512 SSDEEP TLSH