Analysis
- max time kernel
150s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
23/10/2022, 20:06
Static task
static1
Behavioral task
behavioral1
Sample
1b957c4896aa3a23971f21a6e24bb1e8.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
1b957c4896aa3a23971f21a6e24bb1e8.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 1b957c4896aa3a23971f21a6e24bb1e8.exe
- Size 219KB
- Sample221023-yvdp7sccc8
- SHA256 96ea1c192dfe9eb004fb2c8a6e6921aaa7c6149bab88c0cd1bd48c6891cf43ae
- MD5 1b957c4896aa3a23971f21a6e24bb1e8
- SHA1 a6aeff9794330c52537b258c5a95c68e2fe06f1d
- SHA512 612cc6da48bb2ba5f560bed552c2eb0785f1df28d5a5dab1bcc471fbee87a87edf3652b6dd760c0b49ad96e27f647e25bf373ae8380a995a9a556faf2ad5b528
- SSDEEP 3072:9ZXGpiLgiEG5N6BX6otSFf9qVbEo7vDHm3k40f9rvw0darTtHjL:3kiLrEmaqOw9uEojDHm3Uf9jndKTNf
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1296-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3884-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/1296-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1296-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3884 set thread context of 1296 3884 1b957c4896aa3a23971f21a6e24bb1e8.exe 85 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1b957c4896aa3a23971f21a6e24bb1e8.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1b957c4896aa3a23971f21a6e24bb1e8.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1b957c4896aa3a23971f21a6e24bb1e8.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1296 1b957c4896aa3a23971f21a6e24bb1e8.exe 1296 1b957c4896aa3a23971f21a6e24bb1e8.exe 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3048 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1296 1b957c4896aa3a23971f21a6e24bb1e8.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3884 wrote to memory of 1296 3884 1b957c4896aa3a23971f21a6e24bb1e8.exe 85 PID 3884 wrote to memory of 1296 3884 1b957c4896aa3a23971f21a6e24bb1e8.exe 85 PID 3884 wrote to memory of 1296 3884 1b957c4896aa3a23971f21a6e24bb1e8.exe 85 PID 3884 wrote to memory of 1296 3884 1b957c4896aa3a23971f21a6e24bb1e8.exe 85 PID 3884 wrote to memory of 1296 3884 1b957c4896aa3a23971f21a6e24bb1e8.exe 85 PID 3884 wrote to memory of 1296 3884 1b957c4896aa3a23971f21a6e24bb1e8.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\1b957c4896aa3a23971f21a6e24bb1e8.exe"C:\Users\Admin\AppData\Local\Temp\1b957c4896aa3a23971f21a6e24bb1e8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3884 -
C:\Users\Admin\AppData\Local\Temp\1b957c4896aa3a23971f21a6e24bb1e8.exe"C:\Users\Admin\AppData\Local\Temp\1b957c4896aa3a23971f21a6e24bb1e8.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1296
-