Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07/04/2024, 15:22
Behavioral task
behavioral1
Sample
e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
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Size
270KB
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MD5
e53d28aa39fe85683d10a1f2ea531562
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SHA1
9cd07aab2659d48cf0f96649f3a5764a2125bec0
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SHA256
ca465812bfb612a6f02334a347137fa94c78ba22816bb985073599a7a7335450
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SHA512
121556cb5787442c79be05b5019614e5009bb0be00ce9700f5fa3c2d8ac8ace13f4a13f832cc7d8c16cfca87c80b1da41ae69885e7b1abdd95e3ca5d01c58ea2
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SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz53NpcCJJvH:Zr7xS2Vp6FwTObJJvH
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/files/0x000400000001db4b-4.dat modiloader_stage2 behavioral2/memory/1496-9-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-26-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-29-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-32-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-35-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-38-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-41-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-44-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-47-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-50-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-53-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-56-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-59-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-62-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1920-65-0x0000000000400000-0x000000000044B000-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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 1920 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 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-1-5-21-557049126-2506969350-2798870634-1000\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 e53d28aa39fe85683d10a1f2ea531562_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 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.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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Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1496 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe Token: SeBackupPrivilege 4472 vssvc.exe Token: SeRestorePrivilege 4472 vssvc.exe Token: SeAuditPrivilege 4472 vssvc.exe Token: SeDebugPrivilege 1920 mstwain32.exe Token: SeDebugPrivilege 1920 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1920 mstwain32.exe 1920 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1496 wrote to memory of 1920 1496 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 91 PID 1496 wrote to memory of 1920 1496 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 91 PID 1496 wrote to memory of 1920 1496 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 91 -
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\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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
- 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:4472
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
33KB
MD59ae8bf65df5592fdada8ee5c8c1db47f
SHA1b56fc6769add9ecfeb203e10393371d8b3023eb2
SHA256b6b6b0f14d5252c535078c674ee49d89b033ce31a1eb313a5e0a057ba9144723
SHA512eaa98499f0c7851af5a7ecdb3e5943096f97bd77090bc970b6140a88a11a464e5baf5da26d2b1256e7be42eb70546336b3c27d4c73cb78a3ee5b9f564ca97b7a
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Filesize
270KB
MD5e53d28aa39fe85683d10a1f2ea531562
SHA19cd07aab2659d48cf0f96649f3a5764a2125bec0
SHA256ca465812bfb612a6f02334a347137fa94c78ba22816bb985073599a7a7335450
SHA512121556cb5787442c79be05b5019614e5009bb0be00ce9700f5fa3c2d8ac8ace13f4a13f832cc7d8c16cfca87c80b1da41ae69885e7b1abdd95e3ca5d01c58ea2
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350