Analysis
-
max time kernel
110s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 18:16
Behavioral task
behavioral1
Sample
9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe
Resource
win10v2004-20241007-en
General
-
Target
9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe
-
Size
270KB
-
MD5
7a515838637bf9d9c93fe72b276c5fd0
-
SHA1
3d8804863c3d60d88b0ca1440f527be183a144f9
-
SHA256
9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaa
-
SHA512
fb2238a8ed9c9a45ddb753c3b7195f670008aac6864de73688c56d5b84d426740e16b38a17af843325884ca0fbcaee0b5608891c336fcfd6dfe83a939e8e223b
-
SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz53ipcCJJvH:Zr7xS2Vp6FwTZbJJvH
Malware Config
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
Modiloader family
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 13 IoCs
resource yara_rule behavioral2/files/0x000c000000023b3e-4.dat modiloader_stage2 behavioral2/memory/2468-8-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-24-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-27-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-30-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-33-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-36-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-39-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-42-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-45-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-48-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-51-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/892-54-0x0000000000400000-0x000000000044B000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe -
Executes dropped EXE 1 IoCs
pid Process 892 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 892 mstwain32.exe 892 mstwain32.exe 892 mstwain32.exe 892 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 9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.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\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe 9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe File opened for modification C:\Windows\mstwain32.exe 9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 mstwain32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2468 9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe Token: SeDebugPrivilege 892 mstwain32.exe Token: SeDebugPrivilege 892 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 892 mstwain32.exe 892 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2468 wrote to memory of 892 2468 9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe 83 PID 2468 wrote to memory of 892 2468 9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe 83 PID 2468 wrote to memory of 892 2468 9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.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
-
C:\Users\Admin\AppData\Local\Temp\9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.exe"C:\Users\Admin\AppData\Local\Temp\9aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaaN.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:892
-
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
-
Filesize
33KB
MD5b3cf838137c7d17b9dc7417ea317701b
SHA1f227c3590708f32b4f61827bb6f8164da296bf64
SHA25615e473b5cb060fab45c176f127c403d980cfbc01889a78d70480e555e1762f1a
SHA51220167a2eeb9e99d114d1d42234258d724ca387d1e9ed6bcce8c239b8e28367c4f906569f20f528d03aea04d47b2aac5cd4aeca7ce2fab5a8b5b8faaef9066597
-
Filesize
270KB
MD57a515838637bf9d9c93fe72b276c5fd0
SHA13d8804863c3d60d88b0ca1440f527be183a144f9
SHA2569aaa4c1154d5017d1292ad167a09e9796a61c00b2601bd1cb8ab6edc235c0eaa
SHA512fb2238a8ed9c9a45ddb753c3b7195f670008aac6864de73688c56d5b84d426740e16b38a17af843325884ca0fbcaee0b5608891c336fcfd6dfe83a939e8e223b
-
Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350