Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-09-2024 20:59
Behavioral task
behavioral1
Sample
fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe
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Size
310KB
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MD5
fd227e5e5f9799009c8083cda973328f
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SHA1
7ae40e2f914c11f08b7429b42e2b6033b377f518
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SHA256
971c9ff8289a5b4dab6d4bc7f89416828a5292ef26a6e6ae0fabed9d03c4c0bf
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SHA512
59fbb4bcab51bbbfb1fbdefba7533a75e80396eecdf33155b5379d64fbaebba9c83ebe5e99fb6848f24c100454b8299994e0d3717131297bfee8c8343c84993b
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SSDEEP
6144:1G377xS2Vp2CeiorXhwTBN53LdpcCJJvHq0JoS:Yr7xS2Vp6FwTfbJJvHjJoS
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 4 IoCs
resource yara_rule behavioral2/memory/3528-0-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral2/files/0x00090000000234ca-6.dat modiloader_stage2 behavioral2/memory/3528-11-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral2/memory/3032-27-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3032 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 3032 mstwain32.exe 3032 mstwain32.exe 3032 mstwain32.exe 3032 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
resource yara_rule behavioral2/memory/3528-0-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral2/files/0x00090000000234ca-6.dat upx behavioral2/memory/3528-11-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral2/memory/3032-27-0x0000000000400000-0x000000000044F000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 mstwain32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3528 fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe Token: SeDebugPrivilege 3032 mstwain32.exe Token: SeDebugPrivilege 3032 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3032 mstwain32.exe 3032 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3528 wrote to memory of 3032 3528 fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe 82 PID 3528 wrote to memory of 3032 3528 fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe 82 PID 3528 wrote to memory of 3032 3528 fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe 82 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:3032
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
33KB
MD5d2b20db3f5352befbf6d2a38f3dd8d5c
SHA125cdc577ac81bca03def5b34916d4ffd81444604
SHA256ef61b13e879b9ddacff5a073a53640b485951931fc68c6399fa6ffacaa91c5f6
SHA512474a35c11a80f6bfb3718a520b89f8d747f4ac1e0ca9bda66c34a0692e08d8e0d4841c1931035faa4ccebc14fa26dac660331278d4a0696b59d8704092771435
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Filesize
310KB
MD5fd227e5e5f9799009c8083cda973328f
SHA17ae40e2f914c11f08b7429b42e2b6033b377f518
SHA256971c9ff8289a5b4dab6d4bc7f89416828a5292ef26a6e6ae0fabed9d03c4c0bf
SHA51259fbb4bcab51bbbfb1fbdefba7533a75e80396eecdf33155b5379d64fbaebba9c83ebe5e99fb6848f24c100454b8299994e0d3717131297bfee8c8343c84993b
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350