Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
22/04/2026, 04:02
General
- Target 2026-04-22_d0f13fa808f998dc3f86e6cf74a1ada5_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 1.4MB
- Sample260422-elw1msgx4m
- SHA256 c5660b0db6cb16dffa9e139563d6c93129106a0011c9112bcb5bbf63a12893c2
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 IoCs
- UPX dump on OEP (original entry point) 8 IoCs
- Executes dropped EXE 1 IoCs
- Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Drops file in System32 directory 11 IoCs
- UPX packed file 8 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 2 IoCs
- 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.
- Modifies data under HKEY_USERS 9 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-22_d0f13fa808f998dc3f86e6cf74a1ada5_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_d0f13fa808f998dc3f86e6cf74a1ada5_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Syswow64\2df12f30C:\Windows\Syswow64\2df12f301⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2df12f30
memory/3948-27-0x00000000004D0000-0x0000000000559000-memory.dmp
memory/3948-28-0x0000000003360000-0x000000000345A000-memory.dmp
memory/3948-10-0x00000000004D0000-0x0000000000559000-memory.dmp
memory/3948-57-0x00000000004D0000-0x0000000000559000-memory.dmp
memory/3948-54-0x0000000003360000-0x000000000345A000-memory.dmp
memory/3948-0-0x00000000004D0000-0x0000000000559000-memory.dmp
memory/3948-46-0x0000000003360000-0x000000000345A000-memory.dmp
memory/3948-32-0x0000000003360000-0x000000000345A000-memory.dmp
memory/4428-29-0x0000000000230000-0x00000000002B9000-memory.dmp
memory/4428-4-0x0000000000230000-0x00000000002B9000-memory.dmp
memory/4428-40-0x0000000002790000-0x000000000288A000-memory.dmp
memory/4428-30-0x0000000002790000-0x000000000288A000-memory.dmp
memory/4428-19-0x0000000002790000-0x000000000288A000-memory.dmp
memory/4428-12-0x0000000000230000-0x00000000002B9000-memory.dmp