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Analysis
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max time kernel
148s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
15/07/2024, 08:00
Behavioral task
behavioral1
Sample
48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe
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Size
116KB
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MD5
48e82ab4975db8d8e4a4ece89d3c02c2
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SHA1
545fb75e578feab5967feb01d01a81f57a504b62
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SHA256
aedbbdca5d129120d0b93affffe07b79ed8db8ed3a53fd7670bc4dc6ddb0afac
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SHA512
3236ae0e99384736f187e7cc873065233d8317bd0f62bade90b2003fef7b3f57e95a76cd5676ea5fabd4cf9f5e24a5eee26a0485e2a4156d6e5382242d862dc8
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SSDEEP
3072:0oy8j7VnNdrPHaSekwi+mWFd1aGkioTAOeWwhhF9out:k8jZ7rvaU3+mWr1aG4TAOexhh3oS
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 behavioral1/memory/2756-11-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-22-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-25-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-26-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-31-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-34-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-37-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-41-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-44-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-47-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-50-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-53-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-56-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-59-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-62-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/588-65-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 588 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 588 mstwain32.exe -
resource yara_rule behavioral1/memory/2756-0-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/files/0x00060000000055cf-7.dat upx behavioral1/memory/588-13-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2756-11-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-21-0x0000000076E10000-0x0000000076F00000-memory.dmp upx behavioral1/memory/588-22-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-25-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-26-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-31-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-34-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-37-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-41-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-44-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-47-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-50-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-53-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-56-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-59-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-62-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/588-65-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\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 48e82ab4975db8d8e4a4ece89d3c02c2_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 48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2756 48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe Token: SeBackupPrivilege 2880 vssvc.exe Token: SeRestorePrivilege 2880 vssvc.exe Token: SeAuditPrivilege 2880 vssvc.exe Token: SeDebugPrivilege 588 mstwain32.exe Token: SeDebugPrivilege 588 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 588 mstwain32.exe 588 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2756 wrote to memory of 588 2756 48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe 33 PID 2756 wrote to memory of 588 2756 48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe 33 PID 2756 wrote to memory of 588 2756 48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe 33 PID 2756 wrote to memory of 588 2756 48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe 33 -
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\48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\48e82ab4975db8d8e4a4ece89d3c02c2_JaffaCakes118.exe"1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\48e82ab4975db8d8e4a4ece89d3c02c2_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:588
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2880
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
Loading Replay Monitor...
Downloads
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Filesize
116KB
MD548e82ab4975db8d8e4a4ece89d3c02c2
SHA1545fb75e578feab5967feb01d01a81f57a504b62
SHA256aedbbdca5d129120d0b93affffe07b79ed8db8ed3a53fd7670bc4dc6ddb0afac
SHA5123236ae0e99384736f187e7cc873065233d8317bd0f62bade90b2003fef7b3f57e95a76cd5676ea5fabd4cf9f5e24a5eee26a0485e2a4156d6e5382242d862dc8