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Analysis
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max time kernel
147s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
19/08/2024, 12:53
Behavioral task
behavioral1
Sample
ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe
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Size
237KB
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MD5
ab1a2e72aede5ed2d7bc2fcf72092333
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SHA1
0e477e1334b151558648d597e9f4db2cfce1783b
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SHA256
f3cba8756388fa0aa2c32aed5327c8c7a6574394a90bfdce881187c77485a0ab
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SHA512
14cfa1a0a5e5448c9a399549cab210b032905251d92887415fd99033e5ab99dafc1b21d0c0a2a0b1516e22290fce07c71b6bf3d1b04784c3f59f1d1f23d0c7cf
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SSDEEP
3072:xGvo6giwpW9DGD2VdKvY/gIg/CtTIuOmxkiozXgeXdHwTBf4Wgczc+0iez53:xG377xS2Vp2CeiorXdwTBgWx4z53
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/files/0x0004000000004ed7-5.dat modiloader_stage2 behavioral1/memory/784-8-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-13-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-15-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-17-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-19-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-21-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-23-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-25-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-27-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-29-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-31-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-33-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-35-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-37-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 behavioral1/memory/2440-39-0x0000000000400000-0x0000000000443000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 2440 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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 ab1a2e72aede5ed2d7bc2fcf72092333_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 3 IoCs
description ioc Process File created C:\Windows\mstwain32.exe ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.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 ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 784 ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe Token: SeDebugPrivilege 2440 mstwain32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2440 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 784 wrote to memory of 2440 784 ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe 31 PID 784 wrote to memory of 2440 784 ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe 31 PID 784 wrote to memory of 2440 784 ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe 31 PID 784 wrote to memory of 2440 784 ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe 31 -
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\ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ab1a2e72aede5ed2d7bc2fcf72092333_JaffaCakes118.exe"1⤵
- 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:784 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- Executes dropped EXE
- 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:2440
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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
237KB
MD5ab1a2e72aede5ed2d7bc2fcf72092333
SHA10e477e1334b151558648d597e9f4db2cfce1783b
SHA256f3cba8756388fa0aa2c32aed5327c8c7a6574394a90bfdce881187c77485a0ab
SHA51214cfa1a0a5e5448c9a399549cab210b032905251d92887415fd99033e5ab99dafc1b21d0c0a2a0b1516e22290fce07c71b6bf3d1b04784c3f59f1d1f23d0c7cf