Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2024 17:07
Behavioral task
behavioral1
Sample
c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe
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Size
119KB
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MD5
c8a9268f10ec2cae5b78afef1795347c
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SHA1
2844bc549b48e477100cd7ab846fb7acaea96df6
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SHA256
d8a8f33d824fdc8f911e62f294e8fef8efdfe22330a77336f2d93b02f0944106
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SHA512
cf1c1d996d61fe74892a80aafd38b5f6aafe6382ebe72a6193c86d1ded6d2be0738f4f96da3bf0411a23ceb5f8d93e02dc4b0bb6ed8aa95002d1c016f973de75
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SSDEEP
3072:ioy8j7VnNdrPHaSekwi+mWD5CjuYCZAoutI:y8jZ7rvaU3+mWDwumoSI
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/memory/1208-11-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-27-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-28-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-31-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-34-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-37-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-40-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-43-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-46-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-49-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-52-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-55-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-58-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-61-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-64-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/4992-67-0x0000000000400000-0x0000000000453000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4992 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 4992 mstwain32.exe 4992 mstwain32.exe 4992 mstwain32.exe 4992 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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 c8a9268f10ec2cae5b78afef1795347c_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/1208-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x0007000000023cab-6.dat upx behavioral2/memory/1208-11-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-27-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-28-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-31-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-34-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-37-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-40-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-43-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-46-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-49-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-52-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-55-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-58-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-61-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-64-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4992-67-0x0000000000400000-0x0000000000453000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.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 c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1208 c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe Token: SeDebugPrivilege 4992 mstwain32.exe Token: SeDebugPrivilege 4992 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4992 mstwain32.exe 4992 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1208 wrote to memory of 4992 1208 c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe 85 PID 1208 wrote to memory of 4992 1208 c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe 85 PID 1208 wrote to memory of 4992 1208 c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe 85 -
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\c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c8a9268f10ec2cae5b78afef1795347c_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:1208 -
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:4992
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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
MD5e9fed334b83e7e5eb4a88b44d9ba9aa6
SHA186d03d9202011ee610a44905dfecc6e0a078ffcb
SHA2563a9b1e8a87082782c710efc185e8a1827763f4d2770c0369b5348f96feaf52b7
SHA512208a9f0625325f0717bfb5b6ebaabd4094b45d8ae2198a9681ae8163e1c0a4a6b7fdcf9e8fa8c54bb27aab736e23f1680fffb8bd39cdde6cec0b2a849d879c2a
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Filesize
119KB
MD5c8a9268f10ec2cae5b78afef1795347c
SHA12844bc549b48e477100cd7ab846fb7acaea96df6
SHA256d8a8f33d824fdc8f911e62f294e8fef8efdfe22330a77336f2d93b02f0944106
SHA512cf1c1d996d61fe74892a80aafd38b5f6aafe6382ebe72a6193c86d1ded6d2be0738f4f96da3bf0411a23ceb5f8d93e02dc4b0bb6ed8aa95002d1c016f973de75
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350