3b8754d704257f95253954ed688bea60791480c801517ef6bc51bbd0817c97d2

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
18/10/2026, 16:55

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General

Target
jaffacakes118_Trojan.Win32.Inject.lcuj.exe
Size 5.6MB
Sample261018-vffpgassds
SHA256 3b8754d704257f95253954ed688bea60791480c801517ef6bc51bbd0817c97d2
MD5 0ba7b015d3452e39e558b87cca83ab13
SHA1 f42288ef59c852b0b2a1a176810c1f7c11d74bf8
SHA512 b9bbfa0eeea6e28642d96aca8bd330597fe3dcf49be9c280b27d7e5d438e65b95089912b16ea6feb9d92eb04651fb399414ed521617d1867286ec8c1c9c32bf0
SSDEEP 98304:DsmlBY9D5j8/FGQgy6RQR+xuJ0fVcB5OVCBLG5HzydKMOsrJC:AmXY/j1QWGRIDdcB5OV5Rzydm5
TLSH
T1A7463325FB8BC4B6E0A30838559941F8A9AACF70A3003D1FAB307E653C74991B5DD5F6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-1846164713-4096795028-774071693-1000\Control Panel\International\Geo\Nation	jaffacakes118_Trojan.Win32.Inject.lcuj.exe

Executes dropped EXE 2 IoCs

pid	Process
1252	msisetup.exe
1384	msisetup.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1252 set thread context of 1384	1252	msisetup.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	msisetup.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	msisetup.exe

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	jaffacakes118_Trojan.Win32.Inject.lcuj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msisetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msisetup.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1384	msisetup.exe
1384	msisetup.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1252	msisetup.exe
1384	msisetup.exe
1384	msisetup.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 1252	2676	jaffacakes118_Trojan.Win32.Inject.lcuj.exe	85
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1252 wrote to memory of 1384	1252	msisetup.exe	90
PID 1384 wrote to memory of 3956	1384	msisetup.exe	92

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Inject.lcuj.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Inject.lcuj.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1384
  - - C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      4⤵
      PID:3956

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4164

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

msisetup.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe
Size 16.1MB
SHA256 e2a97dbbdb3bb14b03bcd7445e4865c8bf89715ed05b040c947001d130070faa
MD5 cfe944c84d2efc1316b3c1ab56f22fa1
SHA1 44f2ae657c586d9d3d4610d2fc4869e4a0e3202a
SHA512 1247ebe132fefcd918e0dbe2433c9134177efcf12407fe914a4b34f2b0456a194a88317d4f072d534c8592d79415df57c74ee73cbfb84f273e7e0cbc6286cee3
SSDEEP 196608:lHoLu4wURVH6/SmV/ENLJrdJ7JcQQAKGZ7ENLJrdJ7JcQQAKGZ7ENLJrdJ7JcQQu:lfL6OSmV/4ZObC54ZObC54ZObC
TLSH
T14107D053B2C4543EC06B2A3A8C3B9A54A83FBE20393A8D5B67F41D4C8F359417937A57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1252-20-0x0000000000400000-0x0000000001432000-memory.dmp

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memory/1252-12-0x0000000000B47000-0x0000000000B49000-memory.dmp

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memory/1252-13-0x0000000000400000-0x0000000001432000-memory.dmp

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memory/1384-27-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-33-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-18-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-17-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-21-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-40-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-39-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-24-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-25-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-26-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-14-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-28-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-29-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-30-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-31-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-32-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-16-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-34-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-35-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-36-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-37-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/1384-38-0x0000000000400000-0x0000000000CAF000-memory.dmp

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memory/2676-23-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/2676-22-0x0000000000400000-0x0000000000420000-memory.dmp

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