Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 10:27
Behavioral task
behavioral1
Sample
eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe
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Size
312KB
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MD5
eb234d27f4a4c94e53e9cdcf61658c8f
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SHA1
b7daaaeb7a7c58b4dfe45119716852d082b0624f
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SHA256
b0a253f704d3522eb4d60d13775b18ba5d209a14ee07f72d5eb36644d59d0d33
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SHA512
8675d3fef535c2eb2a8e26ba1409fda7d7a0c8d68c42bd29a5b900f4887a995d297478d3c1d0eadbfbd0142091aada82e77ee3eee12d234257eb47ad75c24917
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SSDEEP
6144:ZG377xS2Vp2CeiorXhwTBN53lpcCJJvHPsIoS:sr7xS2Vp6FwTnbJJvHDoS
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/2924-0-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/files/0x00090000000233bc-5.dat modiloader_stage2 behavioral2/memory/2924-10-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2636-26-0x0000000000400000-0x0000000000450000-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2636 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 2636 mstwain32.exe 2636 mstwain32.exe 2636 mstwain32.exe 2636 mstwain32.exe -
resource yara_rule behavioral2/memory/2924-0-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/files/0x00090000000233bc-5.dat upx behavioral2/memory/2924-10-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2636-26-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\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 eb234d27f4a4c94e53e9cdcf61658c8f_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 eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe eb234d27f4a4c94e53e9cdcf61658c8f_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 eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2924 eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe Token: SeDebugPrivilege 2636 mstwain32.exe Token: SeDebugPrivilege 2636 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2636 mstwain32.exe 2636 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2924 wrote to memory of 2636 2924 eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe 82 PID 2924 wrote to memory of 2636 2924 eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe 82 PID 2924 wrote to memory of 2636 2924 eb234d27f4a4c94e53e9cdcf61658c8f_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\eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eb234d27f4a4c94e53e9cdcf61658c8f_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:2924 -
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:2636
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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
MD57c3ff4d4d394fde7c693d04c488a55f8
SHA1ae2b2acc7e91a910f9075e0e095b528e97827ba4
SHA2564878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8
SHA51233c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a
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Filesize
312KB
MD5eb234d27f4a4c94e53e9cdcf61658c8f
SHA1b7daaaeb7a7c58b4dfe45119716852d082b0624f
SHA256b0a253f704d3522eb4d60d13775b18ba5d209a14ee07f72d5eb36644d59d0d33
SHA5128675d3fef535c2eb2a8e26ba1409fda7d7a0c8d68c42bd29a5b900f4887a995d297478d3c1d0eadbfbd0142091aada82e77ee3eee12d234257eb47ad75c24917
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350