Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/10/2026, 15:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Dropper.Win32.Reurf.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Dropper.Win32.Reurf.exe
Resource
win11ltsc2024-20260911-en
6 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Dropper.Win32.Reurf.exe
- Size 415KB
- Sample261009-s4bz3sf14p
- SHA256 72da37bb62c3bc2e9281d53d5a048dee70576988dd4df372e16f920d894790bc
- MD5 3ccb0af79db0913ba73df9c30ecfbf8f
- SHA1 2ee43327051caad12169dd3c2743482bd6129465
- SHA512 a43a767e9fb61dc1f4b2c9736110073b93b891dde83cfed7bed0b7af347c3e14b03084bb69ced1d38fad087491b5410aaab8432d77e9171b0621b8f1a7dd2b7e
- SSDEEP 12288:OrdkZUb2P8WK6OEU2q4RByqR2ct/eMZ31vw5Ef:4MUb2P8GZRRBFR5tX3aw
- TLSH T16094239D73CA45ABF24D66B6CCD335124366CD7019024AD2A18B3EAD98F6255AF02FC3
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 920 8A7C5EDE.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8A7C5EDE = "C:\\Windows\\system32\\8A7C5EDE.exe" jaffacakes118_Trojan-Dropper.Win32.Reurf.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\8A7C5EDE.exe jaffacakes118_Trojan-Dropper.Win32.Reurf.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 jaffacakes118_Trojan-Dropper.Win32.Reurf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8A7C5EDE.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2084 wrote to memory of 920 2084 jaffacakes118_Trojan-Dropper.Win32.Reurf.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Reurf.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Reurf.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\8A7C5EDE.exe"C:\Windows\system32\8A7C5EDE.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:920
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8A7C5EDE.exe
- Size 212KB
- SHA256 24e04bb543eac68419e0799cd7ea54924fab3a4d3b898399351c70cf2883a4a4
- MD5 1a59ec41f0efd198b47da675685e47e0
- SHA1 443a067f6f460eeb708a47e9242a600e54ece868
- SHA512 353d8220ac49b1c81d24c6901126ec09587cc2d07c3c3cae6751b533670fe7a5ed9dd790203d55fe24bab66af049a4ffdabb7c85795636980390b32c81128d38
- SSDEEP 6144:ts45/Dvd25BftnOiID6hwKfWUGAhd3Dgn6Ak:ts45L1ABplG6hZWUGAn46
- TLSH T15A24126B33540A7EF3655671C9A133942224AD2245C7891357CB362FD0FB29BAF4AF42
- MD5 SHA1 SHA512 SSDEEP TLSH