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Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26/09/2024, 23:07
Behavioral task
behavioral1
Sample
f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe
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Size
131KB
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MD5
f95020cbfd3dec3e3a7cb5508afb99f0
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SHA1
23f4c76cb205089652162c5e8995808bdf9dd9e4
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SHA256
855f5dd00d666d3c0c4392e4ce8b0280a91fd5fd12464f940d4e6d2bf4030d0c
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SHA512
6bb569ec1586e87a34d83ef35af99ba13f4b36be0aa5bb2b5c132a12796144abfc0bd531a52691314b2a3d12d4ab1578dc1e73d45c8226f178e0046ce509cc10
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SSDEEP
3072:T1+MJKrUnFYY5z1i0Nmbi5fJBNlyYE8E3qTDbj:xIrPj0NmWtNlyZ8Dbj
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/2548-13-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-29-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-30-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-33-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-36-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-39-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-42-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-45-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-48-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-51-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-54-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-57-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-60-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-63-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-66-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral2/memory/4996-69-0x0000000000400000-0x0000000000456000-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 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 4996 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 4996 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 4996 mstwain32.exe 4996 mstwain32.exe 4996 mstwain32.exe 4996 mstwain32.exe -
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 f95020cbfd3dec3e3a7cb5508afb99f0_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/2548-0-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/files/0x000600000001db1f-6.dat upx behavioral2/memory/2548-13-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-29-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-30-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-33-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-36-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-39-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-42-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-45-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-48-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-51-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-54-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-57-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-60-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-63-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-66-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral2/memory/4996-69-0x0000000000400000-0x0000000000456000-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 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe f95020cbfd3dec3e3a7cb5508afb99f0_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 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2548 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe Token: SeBackupPrivilege 4908 vssvc.exe Token: SeRestorePrivilege 4908 vssvc.exe Token: SeAuditPrivilege 4908 vssvc.exe Token: SeDebugPrivilege 4996 mstwain32.exe Token: SeDebugPrivilege 4996 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2548 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4996 mstwain32.exe 4996 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2548 wrote to memory of 4996 2548 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe 85 PID 2548 wrote to memory of 4996 2548 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe 85 PID 2548 wrote to memory of 4996 2548 f95020cbfd3dec3e3a7cb5508afb99f0_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 -
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\f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f95020cbfd3dec3e3a7cb5508afb99f0_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:2548 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f95020cbfd3dec3e3a7cb5508afb99f0_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:4996
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4908
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
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Downloads
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Filesize
32KB
MD5deb633fdd6a35faf0b2cd5de4c5b17dd
SHA1808aed825c44c44477f760cb31211542198c7a62
SHA256687c3edcabc5e0b77c41d77354d6137a810a1fb92bd3c5393c32a0d056488fa7
SHA512d42feb7bceb94c4bdf7b205707cca7a401b5403380dfa9a595ce8312a5497f68c1feb6d1ecb5b7af764b5255b38ddd5943c89e6111b4d874ebc9d0646d5ae939
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Filesize
131KB
MD5f95020cbfd3dec3e3a7cb5508afb99f0
SHA123f4c76cb205089652162c5e8995808bdf9dd9e4
SHA256855f5dd00d666d3c0c4392e4ce8b0280a91fd5fd12464f940d4e6d2bf4030d0c
SHA5126bb569ec1586e87a34d83ef35af99ba13f4b36be0aa5bb2b5c132a12796144abfc0bd531a52691314b2a3d12d4ab1578dc1e73d45c8226f178e0046ce509cc10
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350