Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/04/2026, 04:34
General
- Target 2026-04-17_3d3caa039e43d946d2e7d46c65dd103f_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 1.4MB
- Sample260417-e7gsvaaw4s
- SHA256 213cb4e1065944d06f2495ff8d96f157b88e68ca35596b5ccf1dc82012935620
Score
9/10
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
- Custom signatureDetection of Cryptolocker Samples 1 IoCs
- Custom signatureUPX 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 5 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\2026-04-17_3d3caa039e43d946d2e7d46c65dd103f_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-17_3d3caa039e43d946d2e7d46c65dd103f_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\d41e29c4C:\Windows\Syswow64\d41e29c41⤵
- 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
d41e29c4
memory/2648-0-0x00000000000E0000-0x0000000000169000-memory.dmp
memory/2648-10-0x00000000000E0000-0x0000000000169000-memory.dmp
memory/2648-21-0x00000000000E0000-0x0000000000169000-memory.dmp
memory/2648-36-0x00000000000E0000-0x0000000000169000-memory.dmp
memory/5036-3-0x00000000008B0000-0x0000000000939000-memory.dmp
memory/5036-12-0x00000000008B0000-0x0000000000939000-memory.dmp
memory/5036-22-0x00000000008B0000-0x0000000000939000-memory.dmp