Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/09/2026, 11:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118__914b622522612306bb554d5655b4e486.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118__914b622522612306bb554d5655b4e486.exe
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target jaffacakes118__914b622522612306bb554d5655b4e486.exe
- Size 320KB
- Sample260919-n4bxvszerd
- SHA256 4a1bebc6c05e56113ff738a07b079b87f959f612686fea000fe9f9c0496ed41c
- MD5 914b622522612306bb554d5655b4e486
- SHA1 dac5d94b783dcb9033880061d83dc2ab68db9a75
- SHA512 206dcd25b27ef0588a42904adad7cd5f1ce06c5f140621baac8e7f160260a1ce0887e9a28e3a27c87071ed012ed1ca5066d0112886ee3964d9b0133787eb5123
- SSDEEP 6144:avmkOy/KpdnlPr6y7pSMcEkoRagPbq7qv59EqZ63ZD+qsE:ymkOy/KplFB7pSiha0bKqgqZ6J3N
- TLSH T12264126B93D098B4E4118A745D2A49086337BE566C3D9418B7EC9EDF9F3F2D0CC4632A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4648 is-1B7D4.tmp - Loads dropped DLL 1 IoCs
pid Process 4648 is-1B7D4.tmp - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 19 IoCs
description ioc Process File created C:\Program Files (x86)\wisesoft\is-BSCMT.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-46SQB.tmp is-1B7D4.tmp File opened for modification C:\Program Files (x86)\wisesoft\unins000.dat is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\unins000.dat is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-AQVNL.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-AR59N.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-K354U.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-50GKG.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-1Q9KN.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-LIR88.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-COCDD.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-3RFE1.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-AHFPP.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-G3BUM.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-LFRKL.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-8CQQG.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-33RL5.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-6UJ3J.tmp is-1B7D4.tmp File created C:\Program Files (x86)\wisesoft\is-1GHDJ.tmp is-1B7D4.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Regedit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118__914b622522612306bb554d5655b4e486.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language is-1B7D4.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Runs regedit.exe 1 IoCs
pid Process 1408 Regedit.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3856 wrote to memory of 4648 3856 jaffacakes118__914b622522612306bb554d5655b4e486.exe 87 PID 4648 wrote to memory of 4412 4648 is-1B7D4.tmp 91 PID 4648 wrote to memory of 1408 4648 is-1B7D4.tmp 92 PID 4648 wrote to memory of 4968 4648 is-1B7D4.tmp 93 PID 4648 wrote to memory of 4976 4648 is-1B7D4.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118__914b622522612306bb554d5655b4e486.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__914b622522612306bb554d5655b4e486.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Users\Admin\AppData\Local\Temp\is-C6M23.tmp\is-1B7D4.tmp"C:\Users\Admin\AppData\Local\Temp\is-C6M23.tmp\is-1B7D4.tmp" /SL4 $A002E "C:\Users\Admin\AppData\Local\Temp\jaffacakes118__914b622522612306bb554d5655b4e486.exe" 93774 522242⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Program Files\wisesoft\idi.ii" gis3⤵
- System Location Discovery: System Language Discovery
PID:4412
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C:\windows\SysWOW64\Regedit.exeC:\windows\Regedit.exe -s "C:\Program Files\wisesoft\xec.err"3⤵
- System Location Discovery: System Language Discovery
- Runs regedit.exe
PID:1408
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C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Program Files\wisesoft\gen.nn" ggg3⤵
- System Location Discovery: System Language Discovery
PID:4968
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C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Program Files\wisesoft\qtc.dll" unknown3⤵
- System Location Discovery: System Language Discovery
PID:4976
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-352VT.tmp\reg.gg
- Size 10KB
- SHA256 8a744c729973b492a09c09b8bdfd5d7f27d5ba1dd3e77d6566576ff73ce7d3fb
- MD5 fe314eafca22fdb943bd458ae0a03e26
- SHA1 d6a52d261569b9976f8bacc574fc646b75953e6d
- SHA512 27271beee1783b3e128dbd862363206a54d4ea073f3a172d75664d930709c31be756cd78a0693f07a64d66ebd41d17fa6a4400e0835f818257fc1c696a6c2eb0
- SSDEEP 192:sp0y8ZxqxaCTMjknjSC+FJASJxNSNx2GPK3Xk6AkpbMRGft:6nmL+DO06LZV
- TLSH T1A722D803EB19C1B2EB9E21B635936667133664402AD64F532793FF1A1C6A364DF39C0A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-C6M23.tmp\is-1B7D4.tmp
- Size 652KB
- SHA256 385a9bb48f5180984867f3bff1d327250d22ab4399137b343be291c370ee3699
- MD5 581bb44526a65c02b388e1b8a83fe86c
- SHA1 dc387f115977b5fb94d9c9084f33a1c231b50acb
- SHA512 aab4cb6dd5ad4ebfded18748c5cd1a4361c154459f36a4cb49e32855b6866f92d3f065cd9cafa16e621a4216bb176f1554a8bbea7fd458b317eb1ff4c3c2bea1
- SSDEEP 12288:PeuHnWgyrwQV1rPja37nzHtA6SxCJdcNQR6t0Fgyxp:WuHcrwQV1rP+37nzHtA6NJdA0Syxp
- TLSH T1ACE46A27F2A0D837D0B31E789D5B86945926FE102F34A9A736E81F0C4F3969179273D2
- MD5 SHA1 SHA512 SSDEEP TLSH