Analysis
- max time kernel
149s - max time network
95s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 10:45
Behavioral task
behavioral1
Sample
4fccefc984713f66d26432a9c3b1c71b3313e074c0eb6587ba7163661497ae86.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
General
- Target 4fccefc984713f66d26432a9c3b1c71b3313e074c0eb6587ba7163661497ae86.exe
- Size 1.6MB
- Sample260421-mtf86ac14l
- SHA256 4fccefc984713f66d26432a9c3b1c71b3313e074c0eb6587ba7163661497ae86
- MD5 347b6d664244890abb65ba818ae467ee
- SHA1 d5e26349f50a83c6505043babd64c5592c5eee09
- SHA512 2af81833aa2e824fec7abb05acc14ef9dbeae65b51a8df4d911513cdf18029f29a57fad57a2f74ec31e546d58edbf0d4dd9186f87da18d4ceb27cf885731f14b
- SSDEEP 49152:M4gdQ6lRdiGTGTZISxcoGIDaC1i8Uud9Wp72Y:7gMhHcJ
- TLSH T1A9857E23B211C097D1312AB163B316347CB85B312E749577EFE4AEB62C74662DF2660E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detect Blackmoon payload 6 IoCs
resource yara_rule behavioral2/memory/1464-0-0x0000000000400000-0x00000000005A7000-memory.dmp family_blackmoon behavioral2/files/0x001d00000002b2a0-5.dat family_blackmoon behavioral2/memory/4632-7-0x0000000000400000-0x00000000005A7000-memory.dmp family_blackmoon behavioral2/memory/1464-9-0x0000000000400000-0x00000000005A7000-memory.dmp family_blackmoon behavioral2/memory/4632-8-0x0000000000400000-0x00000000005A7000-memory.dmp family_blackmoon behavioral2/memory/4632-10-0x0000000000400000-0x00000000005A7000-memory.dmp family_blackmoon - Deletes itself 1 IoCs
pid Process 4632 erdbmdhk.exe - Executes dropped EXE 1 IoCs
pid Process 4632 erdbmdhk.exe -
resource yara_rule behavioral2/memory/1464-0-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral2/files/0x001d00000002b2a0-5.dat upx behavioral2/memory/4632-7-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral2/memory/1464-9-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral2/memory/4632-8-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral2/memory/4632-10-0x0000000000400000-0x00000000005A7000-memory.dmp upx - 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 4fccefc984713f66d26432a9c3b1c71b3313e074c0eb6587ba7163661497ae86.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language erdbmdhk.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1464 4fccefc984713f66d26432a9c3b1c71b3313e074c0eb6587ba7163661497ae86.exe Token: SeDebugPrivilege 4632 erdbmdhk.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1464 wrote to memory of 4632 1464 4fccefc984713f66d26432a9c3b1c71b3313e074c0eb6587ba7163661497ae86.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\4fccefc984713f66d26432a9c3b1c71b3313e074c0eb6587ba7163661497ae86.exe"C:\Users\Admin\AppData\Local\Temp\4fccefc984713f66d26432a9c3b1c71b3313e074c0eb6587ba7163661497ae86.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Users\Admin\AppData\Local\Temp\erdbmdhk.exeC:\Users\Admin\AppData\Local\Temp\erdbmdhk.exe /-runpayload|C:\Users\Admin\AppData\Local\Temp\4fccefc984713f66d26432a9c3b1c71b3313e074c0eb6587ba7163661497ae86.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4632
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\erdbmdhk.exe
- Size 1.6MB
- SHA256 b2afb34a129bf72e6407bdbdbf669f7ef0fa85b8b48d8c5058a7f6ca00bc12d7
- MD5 e2502b1818a2d3eb89b0832548c0d41e
- SHA1 d37e8fbb1a9600a8dd2bb62a28c49d04b8f9198c
- SHA512 783ee7beaacb0c7625bd1e483f095482d49b3f81d24ae30436826f6155ea42e1f544323ee1867a1bcec42d5a678f92e00c15ac5c71dcfe90027f54b0080aaa08
- SSDEEP 49152:M4gdQ6lRdiGTGTZISxcoGIDaC1i8Uud9Wp72p:7gMhHcE
- TLSH T199857E23B211C097D1312AB163B316347CB85B312E749577EFE4AEB62C74662DF2660E
- MD5 SHA1 SHA512 SSDEEP TLSH