Analysis
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max time kernel
148s -
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
26/11/2024, 06:26
Behavioral task
behavioral1
Sample
a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe
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Size
271KB
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MD5
a053d478aca561af75afcc6facca4eae
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SHA1
30230c4d749bb26aedb25f3796a31420f69c28a5
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SHA256
124fd3bf3bd04df1ad3522d23fcb6cde04aff5199e7fa9ea42ca8ccbf2836b51
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SHA512
1227cd420b51cdaac3ab1d65277e9204de968766bae7c8e5278033a74db31acef35d8c3d3d11c99de6b86cc3d29977c966e8d6ed9607824d094f325c423c2bb1
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SSDEEP
6144:7GP77xS2Vp21hLUrwTBoDh53tpcCJJvHa:KD7xS2VpaQwTaRbJJvHa
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 16 IoCs
resource yara_rule behavioral2/files/0x000a000000023c87-4.dat modiloader_stage2 behavioral2/memory/1036-9-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-25-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-28-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-31-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-34-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-37-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-40-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-43-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-46-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-49-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-52-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-55-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-58-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-61-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/4720-64-0x0000000000400000-0x000000000044B000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4720 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 4720 mstwain32.exe 4720 mstwain32.exe 4720 mstwain32.exe 4720 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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 a053d478aca561af75afcc6facca4eae_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 -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe File created C:\Windows\ntdtcstp.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 a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1036 a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe Token: SeDebugPrivilege 4720 mstwain32.exe Token: SeDebugPrivilege 4720 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4720 mstwain32.exe 4720 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1036 wrote to memory of 4720 1036 a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe 82 PID 1036 wrote to memory of 4720 1036 a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe 82 PID 1036 wrote to memory of 4720 1036 a053d478aca561af75afcc6facca4eae_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\a053d478aca561af75afcc6facca4eae_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a053d478aca561af75afcc6facca4eae_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:1036 -
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:4720
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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
MD525b7c894ea8ef8616dfde29fd8553c8b
SHA1cbf66b781d7a64b84c7f32499a5c03444e0f034e
SHA256d42ad31dbdfc37747442980ca036a7e414c89b784147b5c54d4249fcb01a6e47
SHA51235228d5dca872ba5f037ab7b11c1d18c2c65fd299906cc7293091d6ee2427793789648a507c70bf20d599baf110e9e837e27e52d9e5fd79b74d0489dea2853a8
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Filesize
271KB
MD5a053d478aca561af75afcc6facca4eae
SHA130230c4d749bb26aedb25f3796a31420f69c28a5
SHA256124fd3bf3bd04df1ad3522d23fcb6cde04aff5199e7fa9ea42ca8ccbf2836b51
SHA5121227cd420b51cdaac3ab1d65277e9204de968766bae7c8e5278033a74db31acef35d8c3d3d11c99de6b86cc3d29977c966e8d6ed9607824d094f325c423c2bb1
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350