Analysis
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max time kernel
58s -
max time network
58s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06-05-2024 16:38
Behavioral task
behavioral1
Sample
1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe
Resource
win10v2004-20240419-en
General
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Target
1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe
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Size
270KB
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MD5
1d5e6f06b05e39f726439c058ff11ebf
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SHA1
5a6f3293d1980a7220ec3c264f4c87e5f5c4ba4f
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SHA256
70668c180217f0354ad3da0b852948423b4217cbc8f3cffb986430bd5e5d910c
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SHA512
f2ec95c96315d687cf8db05e1cf360e77e6bb84659e19ea5029b51d6ec6814b8aafe6e3deadb9bd0fc332b0794283d1f650494cec79dd4f7a4f2f8e3f4e4c1f0
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SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz53QpcCJJvH:Zr7xS2Vp6FwT/bJJvH
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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Processes:
mstwain32.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 8 IoCs
Processes:
resource yara_rule C:\Windows\mstwain32.exe modiloader_stage2 behavioral1/memory/1276-9-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/860-17-0x00000000753B0000-0x00000000754A0000-memory.dmp modiloader_stage2 behavioral1/memory/860-18-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/860-21-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/860-26-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/860-29-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/860-32-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
Processes:
mstwain32.exepid process 860 mstwain32.exe -
Executes dropped EXE 1 IoCs
Processes:
mstwain32.exepid process 860 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
mstwain32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
Processes:
mstwain32.exe1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exedescription 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 1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
Drops file in Windows directory 4 IoCs
Processes:
1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exemstwain32.exedescription ioc process File created C:\Windows\mstwain32.exe 1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exevssvc.exemstwain32.exedescription pid process Token: SeDebugPrivilege 1276 1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe Token: SeBackupPrivilege 2672 vssvc.exe Token: SeRestorePrivilege 2672 vssvc.exe Token: SeAuditPrivilege 2672 vssvc.exe Token: SeDebugPrivilege 860 mstwain32.exe Token: SeDebugPrivilege 860 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
mstwain32.exepid process 860 mstwain32.exe 860 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exedescription pid process target process PID 1276 wrote to memory of 860 1276 1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe mstwain32.exe PID 1276 wrote to memory of 860 1276 1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe mstwain32.exe PID 1276 wrote to memory of 860 1276 1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe mstwain32.exe PID 1276 wrote to memory of 860 1276 1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe mstwain32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
mstwain32.exedescription 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\1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe"1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:860
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2672
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
1Replay Monitor
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Downloads
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Filesize
270KB
MD51d5e6f06b05e39f726439c058ff11ebf
SHA15a6f3293d1980a7220ec3c264f4c87e5f5c4ba4f
SHA25670668c180217f0354ad3da0b852948423b4217cbc8f3cffb986430bd5e5d910c
SHA512f2ec95c96315d687cf8db05e1cf360e77e6bb84659e19ea5029b51d6ec6814b8aafe6e3deadb9bd0fc332b0794283d1f650494cec79dd4f7a4f2f8e3f4e4c1f0