Analysis
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max time kernel
149s -
max time network
137s -
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 10:47
Static task
static1
Behavioral task
behavioral1
Sample
eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe
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Size
912KB
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MD5
eb2c4044f81e2d15fa0916364701e772
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SHA1
bcbe0b8ec0f0f42018afb77b378f95ae7654a9ed
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SHA256
be6d6800429ba7fdc22ccd23ae397e5f45380a13fc2f0d0f52a85f1de206b54b
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SHA512
2ac8f7a29bacb8551600834d22892bc443e6941a25a7327e174c65c8a7582eb3ce5716c80273aa381725cadbb3ede29865c102c52a3ca7437bb9d3e9440fac8a
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SSDEEP
6144:ialcKEXDvGe8u9lGwTBRNZvvEbpjWF2qpvj+jQmHlJp9753CpcuRvTXv48Rbr:ipHbzGwT7L5Rvjg8R3
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/memory/2128-13-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-29-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-30-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-33-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-36-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-39-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-42-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-45-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-48-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-51-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-54-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-57-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-60-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-63-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-66-0x0000000000400000-0x000000000047F000-memory.dmp modiloader_stage2 behavioral2/memory/2768-69-0x0000000000400000-0x000000000047F000-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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2768 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 2768 mstwain32.exe 2768 mstwain32.exe 2768 mstwain32.exe 2768 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\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 eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe File created C:\Windows\mstwain32.exe-up.txt mstwain32.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 eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2128 eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe Token: SeBackupPrivilege 3000 vssvc.exe Token: SeRestorePrivilege 3000 vssvc.exe Token: SeAuditPrivilege 3000 vssvc.exe Token: SeDebugPrivilege 2768 mstwain32.exe Token: SeDebugPrivilege 2768 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2128 eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2768 mstwain32.exe 2768 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2128 wrote to memory of 2768 2128 eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe 92 PID 2128 wrote to memory of 2768 2128 eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe 92 PID 2128 wrote to memory of 2768 2128 eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe 92 -
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 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\eb2c4044f81e2d15fa0916364701e772_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eb2c4044f81e2d15fa0916364701e772_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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2128 -
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:2768
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3000
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
32KB
MD502c2a5455d831f2d504379b967c8577e
SHA1318dc4f5818a20427e6b41d106050bf65d557baa
SHA25699631b784921e87d2e152ff63d8e1e61ba8f84fc496225ad4d0ec2309c2cc482
SHA512e62c5ab9eade65a9a98159f0b349986423434edd978aa7b8b39833a23d3d4dc4def3147a2e0cd15c25d4b8d9115dd56cc035104bf5948d4038e75d2f41769b01
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Filesize
912KB
MD5eb2c4044f81e2d15fa0916364701e772
SHA1bcbe0b8ec0f0f42018afb77b378f95ae7654a9ed
SHA256be6d6800429ba7fdc22ccd23ae397e5f45380a13fc2f0d0f52a85f1de206b54b
SHA5122ac8f7a29bacb8551600834d22892bc443e6941a25a7327e174c65c8a7582eb3ce5716c80273aa381725cadbb3ede29865c102c52a3ca7437bb9d3e9440fac8a
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350