Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/04/2026, 08:09
Behavioral task
behavioral1
Sample
c55cd5393004940ed572e273a7174a3090a8399b974523eda60bc4e479c9a376.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
General
- Target c55cd5393004940ed572e273a7174a3090a8399b974523eda60bc4e479c9a376.exe
- Size 1.6MB
- Sample260419-j181zaev2m
- SHA256 c55cd5393004940ed572e273a7174a3090a8399b974523eda60bc4e479c9a376
- MD5 78b090b9a0862080f51b6f5b1566a4c5
- SHA1 af891ec87459447590fde33f55b5bedd30e9d262
- SHA512 1982f1e53bbfdfc42d8c4a7a456b27023f809beea46f299aad738033ddf55400c115c96e3b71c50110fc9645eff883367e9515f068b64c06339ce67bb0aa67dc
- SSDEEP 49152:M4gdQ6lRdiGTGTZISxcoGIDaC1i8Uud9Wp72I:7gMhHcp
- TLSH T1A8857E23B211C097D1312AB163B316347CB85B312E749577EFE4AEB62C74662DF2660E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detect Blackmoon payload 5 IoCs
resource yara_rule behavioral1/memory/4728-0-0x0000000000400000-0x00000000005A7000-memory.dmp family_blackmoon behavioral1/files/0x0009000000021698-5.dat family_blackmoon behavioral1/memory/4736-8-0x0000000000400000-0x00000000005A7000-memory.dmp family_blackmoon behavioral1/memory/4728-7-0x0000000000400000-0x00000000005A7000-memory.dmp family_blackmoon behavioral1/memory/4736-9-0x0000000000400000-0x00000000005A7000-memory.dmp family_blackmoon - Deletes itself 1 IoCs
pid Process 4736 uvzcdkzo.exe - Executes dropped EXE 1 IoCs
pid Process 4736 uvzcdkzo.exe -
resource yara_rule behavioral1/memory/4728-0-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/files/0x0009000000021698-5.dat upx behavioral1/memory/4736-8-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/4728-7-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/4736-9-0x0000000000400000-0x00000000005A7000-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 c55cd5393004940ed572e273a7174a3090a8399b974523eda60bc4e479c9a376.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uvzcdkzo.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4728 c55cd5393004940ed572e273a7174a3090a8399b974523eda60bc4e479c9a376.exe Token: SeDebugPrivilege 4736 uvzcdkzo.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4728 wrote to memory of 4736 4728 c55cd5393004940ed572e273a7174a3090a8399b974523eda60bc4e479c9a376.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\c55cd5393004940ed572e273a7174a3090a8399b974523eda60bc4e479c9a376.exe"C:\Users\Admin\AppData\Local\Temp\c55cd5393004940ed572e273a7174a3090a8399b974523eda60bc4e479c9a376.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4728 -
C:\Users\Admin\AppData\Local\Temp\uvzcdkzo.exeC:\Users\Admin\AppData\Local\Temp\uvzcdkzo.exe /-runpayload|C:\Users\Admin\AppData\Local\Temp\c55cd5393004940ed572e273a7174a3090a8399b974523eda60bc4e479c9a376.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4736
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\uvzcdkzo.exe
- Size 1.6MB
- SHA256 99d60a78ed145ab1cdb2964b166fb7cdf0b5584ea4301e045c145518dbb59726
- MD5 b1ba99d55796c65516ad50c3e9ecb199
- SHA1 4bccd917fe618a7c7633a49524b516c6194f672a
- SHA512 79d408653505387b0e250f584889b9867f872191f0cf48078277c7cf4bfb216c2341cee821886531d035078dabb92c02d763da8d7e3a7749783b567de7684004
- SSDEEP 49152:M4gdQ6lRdiGTGTZISxcoGIDaC1i8Uud9Wp72M:7gMhHcB
- TLSH T155857E23B211C097D1312AB163B316347CB85B312E749577EFE4AEB62C74662DF2660E
- MD5 SHA1 SHA512 SSDEEP TLSH