Analysis
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max time kernel
147s -
max time network
148s -
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 14:34
Behavioral task
behavioral1
Sample
eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe
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Size
273KB
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MD5
eb89bef999b72e7812ea9e4c0b1c71ce
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SHA1
e92682a7d6e286573f895e01e007e741f6254668
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SHA256
896ca00c51391d6a53e356f872096354a53dbf9a333a5f4f4476cd59f6a60453
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SHA512
4e6e6cfa154868280e6723bd6e2a8d6557115b0b2f175635add65bcd64fd25dd807f0aff301225c88a11ea4df07c0a4351ebd3d01d044db4064874f4c024bf8f
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SSDEEP
6144:sG377xS2Vp2CeiorXdwTBgWx4m533pcCJJvH+:nr7xS2Vp6RwTyCTbJJvH+
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 16 IoCs
resource yara_rule behavioral2/files/0x0007000000023436-5.dat modiloader_stage2 behavioral2/memory/2996-10-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-26-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-29-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-32-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-35-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-38-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-41-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-44-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-47-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-50-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-53-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-56-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-59-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-62-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/5020-65-0x0000000000400000-0x000000000044C000-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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 5020 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 5020 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 5020 mstwain32.exe 5020 mstwain32.exe 5020 mstwain32.exe 5020 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\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 eb89bef999b72e7812ea9e4c0b1c71ce_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\mstwain32.exe eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe eb89bef999b72e7812ea9e4c0b1c71ce_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 eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2996 eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe Token: SeDebugPrivilege 5020 mstwain32.exe Token: SeDebugPrivilege 5020 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5020 mstwain32.exe 5020 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2996 wrote to memory of 5020 2996 eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe 87 PID 2996 wrote to memory of 5020 2996 eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe 87 PID 2996 wrote to memory of 5020 2996 eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe 87 -
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\eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eb89bef999b72e7812ea9e4c0b1c71ce_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:2996 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\eb89bef999b72e7812ea9e4c0b1c71ce_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- 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:5020
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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
MD5ffd8e27bfc997860a4db61bd235f9e18
SHA10b0e5cc4e3b55506f2b3858f2eb3ae4cb1cb0a4f
SHA256b28e1efb90edd237f8c23f8c9e1d0929647722a2c9640bba6c88c6f6d3692e2a
SHA5121cbe85c5e8aeb10b75be6ce2b0cec691a9ea08f9255185188d3e8440aad0eb824d5a64ed20dd4cb96431432a0c2da0ef4dc305bcbb67251715bdcf890a31a516
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Filesize
273KB
MD5eb89bef999b72e7812ea9e4c0b1c71ce
SHA1e92682a7d6e286573f895e01e007e741f6254668
SHA256896ca00c51391d6a53e356f872096354a53dbf9a333a5f4f4476cd59f6a60453
SHA5124e6e6cfa154868280e6723bd6e2a8d6557115b0b2f175635add65bcd64fd25dd807f0aff301225c88a11ea4df07c0a4351ebd3d01d044db4064874f4c024bf8f
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350