Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-01-2025 16:58
Behavioral task
behavioral1
Sample
JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe
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Size
326KB
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MD5
66ac113c3b54b264d1ac781f61b86e99
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SHA1
de53d481bd189aefcfa7ef2399a255bd86e96360
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SHA256
363ff39744f6ef0e794672b1fffa13d17de94fc2905f4c3d5c98db7fedb8bb78
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SHA512
daf558d450d26968715a3e5d258e70e82413b0536e143cb62e8bf3af0da598c5b1899bb2da008a86853de868a6505860ecf065f93809f4c3510d4cc564a9567c
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SSDEEP
6144:yG377xS2Vp2CeiorXhwTBF536pcCJJvHX1pgoS:hr7xS2Vp6FwTcbJJvHFpgoS
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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Modiloader family
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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/4688-0-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/files/0x0008000000023c83-6.dat modiloader_stage2 behavioral2/memory/4688-18-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3144-27-0x0000000000400000-0x0000000000453000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe -
Executes dropped EXE 1 IoCs
pid Process 3144 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 3144 mstwain32.exe 3144 mstwain32.exe 3144 mstwain32.exe 3144 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
resource yara_rule behavioral2/memory/4688-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x0008000000023c83-6.dat upx behavioral2/memory/4688-18-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3144-27-0x0000000000400000-0x0000000000453000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe File opened for modification C:\Windows\mstwain32.exe JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.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 JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4688 JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe Token: SeDebugPrivilege 3144 mstwain32.exe Token: SeDebugPrivilege 3144 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3144 mstwain32.exe 3144 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4688 wrote to memory of 3144 4688 JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe 83 PID 4688 wrote to memory of 3144 4688 JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe 83 PID 4688 wrote to memory of 3144 4688 JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe 83 -
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\JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66ac113c3b54b264d1ac781f61b86e99.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:4688 -
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:3144
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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
MD5f897db6dcb7b4ffef1afa53ef8db3b59
SHA1ed2d4e4f81927c4bad0a8df3d27d36f56bbf1fc2
SHA256af99748ce66d3f0f8de728c6e090a5395f3a50813e79c5cc85bca3b9c2a25230
SHA5121a48e94c275f8fc0343386e84e20ed72295c52a6c81a23430e9dbd6eda03586ebf331a3d3f1792d6dfc7f6fb917ae7a30854e69712c0582e4068d818e6f3672c
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Filesize
326KB
MD566ac113c3b54b264d1ac781f61b86e99
SHA1de53d481bd189aefcfa7ef2399a255bd86e96360
SHA256363ff39744f6ef0e794672b1fffa13d17de94fc2905f4c3d5c98db7fedb8bb78
SHA512daf558d450d26968715a3e5d258e70e82413b0536e143cb62e8bf3af0da598c5b1899bb2da008a86853de868a6505860ecf065f93809f4c3510d4cc564a9567c
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350