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Analysis
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max time kernel
146s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07/12/2024, 19:19
Behavioral task
behavioral1
Sample
d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe
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Size
110KB
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MD5
d33686d27badf0dba22b78022bcb456b
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SHA1
c5b8f2c220a9c61397250184ddf28e9db776dabc
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SHA256
edad34922dc6dff199345e3e8abf25400cb817e5f67796dd025a925d7f72919b
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SHA512
e2df6c781d1239299f74efb893f15dfa4b0d2f7d0798b10c06ab1c0c05d34f5ef8f27ba3c41ebf3ca34d107bcee44fec44f47c7ebed3539bbc3dfec93c8621be
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SSDEEP
3072:coy8j7VnNdrPHaSekwi+mW6tYOout7O5:M8jZ7rvaU3+mW4YOoSA
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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Modiloader family
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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/2468-10-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-26-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-27-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-30-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-33-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-36-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-39-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-42-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-45-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-48-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-51-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-54-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-57-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-60-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-63-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral2/memory/3740-66-0x0000000000400000-0x0000000000451000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3740 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 3740 mstwain32.exe 3740 mstwain32.exe 3740 mstwain32.exe 3740 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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 d33686d27badf0dba22b78022bcb456b_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/2468-0-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/files/0x000c000000023b3e-5.dat upx behavioral2/memory/2468-10-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-26-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-27-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-30-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-33-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-36-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-39-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-42-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-45-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-48-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-51-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-54-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-57-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-60-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-63-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3740-66-0x0000000000400000-0x0000000000451000-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 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe d33686d27badf0dba22b78022bcb456b_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 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2468 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe Token: SeDebugPrivilege 3740 mstwain32.exe Token: SeDebugPrivilege 3740 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3740 mstwain32.exe 3740 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2468 wrote to memory of 3740 2468 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe 83 PID 2468 wrote to memory of 3740 2468 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe 83 PID 2468 wrote to memory of 3740 2468 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe 83 -
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\d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d33686d27badf0dba22b78022bcb456b_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 WriteProcessMemory
PID:2468 -
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:3740
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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
33KB
MD52981087479f8a3d5ed206fbddacdc46a
SHA1b3522ac927f2e59dc2acd45d6562714edf918e5b
SHA256e4d83f2dfca963b9b761cc9fb6906a693bd752996cd8e0a58014e686fd42befb
SHA512f28cbecc0695d7ad6a28f736005993bd45681c4f1e14a93c6185e543e60144dba8d0b5fdc337dc65835f81ac3e340d4e944d544937deab56eb33621de943be09
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Filesize
110KB
MD5d33686d27badf0dba22b78022bcb456b
SHA1c5b8f2c220a9c61397250184ddf28e9db776dabc
SHA256edad34922dc6dff199345e3e8abf25400cb817e5f67796dd025a925d7f72919b
SHA512e2df6c781d1239299f74efb893f15dfa4b0d2f7d0798b10c06ab1c0c05d34f5ef8f27ba3c41ebf3ca34d107bcee44fec44f47c7ebed3539bbc3dfec93c8621be
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350