Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
15/04/2026, 04:26
General
- Target 2026-04-15_6519a93d81f5198769d6c2fe86640666_cobalt-strike_cryptbot_icedid_luca-stealer_njrat_stealc.exe
- Size 623KB
- Sample260415-e2m3nsew8p
- SHA256 762490d920b05018dc98bd36501bc8aedc8e3c4a6e2c135d8c5d287b82265458
Score
10/10
Malware Config
Extracted
Family
-
xworm
Version
-
XWorm V6.5
C2
-
kokymrgy2000.hopto.org:1177
Mutex
-
KRr2qEgSvAGzYf3r
Attributes
-
Install_directory
%AppData%
-
install_file
Google Chrome.exe
aes.plain
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Custom signatureDetects Windows executables referencing non-Windows User-Agents 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in Program Files directory 6 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_6519a93d81f5198769d6c2fe86640666_cobalt-strike_cryptbot_icedid_luca-stealer_njrat_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_6519a93d81f5198769d6c2fe86640666_cobalt-strike_cryptbot_icedid_luca-stealer_njrat_stealc.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files\adguardInstaller\koko.EXE"C:\Program Files\adguardInstaller\koko.EXE"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
koko.EXE
memory/3300-14-0x0000000000180000-0x000000000019A000-memory.dmp
memory/3300-15-0x0000000002CB0000-0x0000000002CC0000-memory.dmp
memory/3300-16-0x0000000000B60000-0x0000000000B72000-memory.dmp
memory/3300-17-0x0000000000B50000-0x0000000000B5C000-memory.dmp