Analysis
- max time kernel
137s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
16/02/2024, 07:04
General
- Target 9fbdc223fd2933fac5a9bb801f59c6b1.exe
- Size 108KB
- Sample240216-hwd5csdc57
- SHA256 28bc76580c4dccb7ec8fbfe82e6a0f094627556217650dcfcf80a7291a0fceaa
Malware Config
Extracted
-
latentbot
-
insomniaftw.zapto.org
Signatures
- LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9fbdc223fd2933fac5a9bb801f59c6b1.exe"C:\Users\Admin\AppData\Local\Temp\9fbdc223fd2933fac5a9bb801f59c6b1.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\NUKrmnlqb.exe"C:\Users\Admin\AppData\Local\Temp\NUKrmnlqb.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\qwrtaw5.exe"C:\ProgramData\qwrtaw5.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
NUKrmnlqb.exe
winhost.exe
memory/560-18-0x00000000748B0000-0x0000000074E61000-memory.dmp
memory/560-1-0x00000000748B0000-0x0000000074E61000-memory.dmp
memory/560-2-0x0000000001660000-0x0000000001670000-memory.dmp
memory/560-0-0x00000000748B0000-0x0000000074E61000-memory.dmp
memory/680-34-0x00000000748B0000-0x0000000074E61000-memory.dmp
memory/680-36-0x0000000001460000-0x0000000001470000-memory.dmp
memory/680-37-0x00000000748B0000-0x0000000074E61000-memory.dmp
memory/680-38-0x00000000748B0000-0x0000000074E61000-memory.dmp
memory/680-39-0x0000000001460000-0x0000000001470000-memory.dmp
memory/4192-17-0x00000000748B0000-0x0000000074E61000-memory.dmp
memory/4192-15-0x00000000015F0000-0x0000000001600000-memory.dmp
memory/4192-14-0x00000000748B0000-0x0000000074E61000-memory.dmp
memory/4192-35-0x00000000748B0000-0x0000000074E61000-memory.dmp