Analysis
- max time kernel
144s - max time network
150s - platform
windows10-ltsc 2021_x64 - resource
win10ltsc2021-20250217-en - resource tags
- submitted
11/03/2025, 16:14
General
- Target coderoom-main/nbtoaesudjajwd.exe
- Size 3.1MB
- Sample250311-tp2gvsxpv2
- SHA256 cfdf1d2768ed773c3f5b2c2a03d7892551ea79b181068c23a765f1e09a8c90b1
Malware Config
Signatures
- Executes dropped EXE 3 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- UPX packed file 23 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 8 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 28 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\coderoom-main\nbtoaesudjajwd.exe"C:\Users\Admin\AppData\Local\Temp\coderoom-main\nbtoaesudjajwd.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Windows Sidebar\upfc.exe"C:\Program Files (x86)\Windows Sidebar\upfc.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Microsoft\Edge\Application\upfc.exe"C:\Program Files (x86)\Microsoft\Edge\Application\upfc.exe" -3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files\Google\Chrome\Application\upfc.exe"C:\Program Files\Google\Chrome\Application\upfc.exe" -3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"1⤵
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C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
upfc.exe
memory/580-0-0x00000000004E0000-0x000000000105D000-memory.dmp
memory/580-11-0x00000000004E0000-0x000000000105D000-memory.dmp
memory/3184-24-0x0000000000560000-0x00000000010DD000-memory.dmp
memory/3184-23-0x0000000000560000-0x00000000010DD000-memory.dmp
memory/3220-16-0x0000000000820000-0x000000000139D000-memory.dmp
memory/3220-18-0x0000000000820000-0x000000000139D000-memory.dmp
memory/3880-27-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-32-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-26-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-10-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-28-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-30-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-31-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-25-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-33-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-34-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-35-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-36-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-37-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-38-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-39-0x0000000000E10000-0x000000000198D000-memory.dmp
memory/3880-40-0x0000000000E10000-0x000000000198D000-memory.dmp