Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
23/01/2023, 08:51
Static task
static1
Behavioral task
behavioral1
Sample
07931444ab0b5e9cfcd3e3a8b47ac92c.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
07931444ab0b5e9cfcd3e3a8b47ac92c.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 07931444ab0b5e9cfcd3e3a8b47ac92c.exe
- Size 329KB
- Sample230123-kr6d6aec2w
- SHA256 343edd312c42dc22e7c6529efb3dfeb7acbd6004859672b8920e5203264bc97d
- MD5 07931444ab0b5e9cfcd3e3a8b47ac92c
- SHA1 e7beb2fd9333e22933ffd0dfc70ffecee54c9cbe
- SHA512 dc609116bcbb9f3c85be45d9bb85e2f2aa5b639098232c311ab67de750b9535b5047e367b4d9af631cb20721cc75ca4583b45c72bf60f32c1a6d379346b9e342
- SSDEEP 6144:sKLU5T6BeIwdklHVdztQK/fu1d0LmTbV:sKw52BeNdKH7tQKXu1A
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3200-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2620-135-0x00000000005A0000-0x00000000005A9000-memory.dmp family_smokeloader behavioral2/memory/3200-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3200-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2620 set thread context of 3200 2620 07931444ab0b5e9cfcd3e3a8b47ac92c.exe 80 - 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 07931444ab0b5e9cfcd3e3a8b47ac92c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 07931444ab0b5e9cfcd3e3a8b47ac92c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 07931444ab0b5e9cfcd3e3a8b47ac92c.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3200 07931444ab0b5e9cfcd3e3a8b47ac92c.exe 3200 07931444ab0b5e9cfcd3e3a8b47ac92c.exe 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1192 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3200 07931444ab0b5e9cfcd3e3a8b47ac92c.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2620 wrote to memory of 3200 2620 07931444ab0b5e9cfcd3e3a8b47ac92c.exe 80 PID 2620 wrote to memory of 3200 2620 07931444ab0b5e9cfcd3e3a8b47ac92c.exe 80 PID 2620 wrote to memory of 3200 2620 07931444ab0b5e9cfcd3e3a8b47ac92c.exe 80 PID 2620 wrote to memory of 3200 2620 07931444ab0b5e9cfcd3e3a8b47ac92c.exe 80 PID 2620 wrote to memory of 3200 2620 07931444ab0b5e9cfcd3e3a8b47ac92c.exe 80 PID 2620 wrote to memory of 3200 2620 07931444ab0b5e9cfcd3e3a8b47ac92c.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\07931444ab0b5e9cfcd3e3a8b47ac92c.exe"C:\Users\Admin\AppData\Local\Temp\07931444ab0b5e9cfcd3e3a8b47ac92c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Users\Admin\AppData\Local\Temp\07931444ab0b5e9cfcd3e3a8b47ac92c.exe"C:\Users\Admin\AppData\Local\Temp\07931444ab0b5e9cfcd3e3a8b47ac92c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3200
-