Analysis
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max time kernel
144s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2024 18:44
Static task
static1
Behavioral task
behavioral1
Sample
c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe
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Size
132KB
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MD5
c8f43f03945d4acdb249b83d6d3fcd69
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SHA1
3f5f4a3757dcc930a035cbbb220249f2a98e5bb8
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SHA256
bc32a42d79f013887998f7da1c3039ea14d45dedd46c1a9656293e99af54fe5a
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SHA512
8208f487d757f868bd3409a9534119c88bd0d8938cdbe4b7642e4d7c2524598d7fd4d6ad09667bb0f1a333c5aafd25874da3174be514a792d4702a8b1156093e
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SSDEEP
3072:EUfrSzltkzP/1MS2RU4DvwOcY7ABfre2QglSvS332d:EqrSzSn1gU4Dr74enSGd
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/4440-21-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-36-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-37-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-40-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-43-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-46-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-49-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-52-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-55-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-58-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-61-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-64-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-67-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-70-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-73-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/1920-76-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation decrypted.exe -
Executes dropped EXE 2 IoCs
pid Process 4440 decrypted.exe 1920 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 1920 mstwain32.exe 1920 mstwain32.exe 1920 mstwain32.exe 1920 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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 decrypted.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/files/0x000a000000023bc5-6.dat upx behavioral2/memory/4440-9-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4440-21-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-36-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-37-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-40-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-43-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-46-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-49-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-52-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-55-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-58-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-61-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-64-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-67-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-70-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-73-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/1920-76-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe decrypted.exe File opened for modification C:\Windows\mstwain32.exe decrypted.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.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 3 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 c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language decrypted.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4440 decrypted.exe Token: SeBackupPrivilege 2328 vssvc.exe Token: SeRestorePrivilege 2328 vssvc.exe Token: SeAuditPrivilege 2328 vssvc.exe Token: SeDebugPrivilege 1920 mstwain32.exe Token: SeDebugPrivilege 1920 mstwain32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1184 c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe 1920 mstwain32.exe 1920 mstwain32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1184 wrote to memory of 4440 1184 c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe 82 PID 1184 wrote to memory of 4440 1184 c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe 82 PID 1184 wrote to memory of 4440 1184 c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe 82 PID 4440 wrote to memory of 1920 4440 decrypted.exe 86 PID 4440 wrote to memory of 1920 4440 decrypted.exe 86 PID 4440 wrote to memory of 1920 4440 decrypted.exe 86 -
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\c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c8f43f03945d4acdb249b83d6d3fcd69_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Users\Admin\AppData\Local\Temp\decrypted.exe"C:\Users\Admin\AppData\Local\Temp\decrypted.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- 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:4440 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\decrypted.exe"3⤵
- 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:1920
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2328
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
108KB
MD5ff96661ce4bfdde3d810b1303cba897e
SHA188831b4278fcb858b3d75d6541d0cdbeb8042d63
SHA256e93bfdbaaebd5fbdba580d67472b2a2e25acfcf2a445a7e7944a4ef92e025fd6
SHA5121d9031c933069cb5eccb70f40dbb825aa1a426ca1ae4c98aa9ffe6efe00e8b69fee7098a248059d5bed4527fe61eeb8e8bcdf27b66dd5f31d6acd68d3638c8ca
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Filesize
33KB
MD57c3ff4d4d394fde7c693d04c488a55f8
SHA1ae2b2acc7e91a910f9075e0e095b528e97827ba4
SHA2564878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8
SHA51233c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350