Analysis
- max time kernel
151s - max time network
124s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
21/12/2021, 14:36
Static task
static1
Behavioral task
behavioral1
Sample
a92699bb7c0b1b1d5c38b4614c9252aa.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
a92699bb7c0b1b1d5c38b4614c9252aa.exe
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
General
- Target a92699bb7c0b1b1d5c38b4614c9252aa.exe
- Size 134KB
- Sample211221-rykvcsdgf5
- SHA256 dd8e4affdab440d9383d7148a1e9fcbb3c7c2475604f4f26bf55c565d944a033
- MD5 a92699bb7c0b1b1d5c38b4614c9252aa
- SHA1 f739ad8d5b3e1ea0e7b49d21c4712a8e07c1218e
- SHA512 008abc296340d76d702b785929aa8aa34e12cd7362e2590f38af1f986e7df5b37e7e9fabda7e003dbed0aa41d92b86a616edc04a7cbf6bba221d7e03c3d5b594
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-data-coin-11.com/
-
http://file-coin-host-12.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
pid Process 2712 Process not Found - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3664 set thread context of 1208 3664 a92699bb7c0b1b1d5c38b4614c9252aa.exe 69 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a92699bb7c0b1b1d5c38b4614c9252aa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a92699bb7c0b1b1d5c38b4614c9252aa.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a92699bb7c0b1b1d5c38b4614c9252aa.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1208 a92699bb7c0b1b1d5c38b4614c9252aa.exe 1208 a92699bb7c0b1b1d5c38b4614c9252aa.exe 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2712 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1208 a92699bb7c0b1b1d5c38b4614c9252aa.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3664 wrote to memory of 1208 3664 a92699bb7c0b1b1d5c38b4614c9252aa.exe 69 PID 3664 wrote to memory of 1208 3664 a92699bb7c0b1b1d5c38b4614c9252aa.exe 69 PID 3664 wrote to memory of 1208 3664 a92699bb7c0b1b1d5c38b4614c9252aa.exe 69 PID 3664 wrote to memory of 1208 3664 a92699bb7c0b1b1d5c38b4614c9252aa.exe 69 PID 3664 wrote to memory of 1208 3664 a92699bb7c0b1b1d5c38b4614c9252aa.exe 69 PID 3664 wrote to memory of 1208 3664 a92699bb7c0b1b1d5c38b4614c9252aa.exe 69
Processes
-
C:\Users\Admin\AppData\Local\Temp\a92699bb7c0b1b1d5c38b4614c9252aa.exe"C:\Users\Admin\AppData\Local\Temp\a92699bb7c0b1b1d5c38b4614c9252aa.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Users\Admin\AppData\Local\Temp\a92699bb7c0b1b1d5c38b4614c9252aa.exe"C:\Users\Admin\AppData\Local\Temp\a92699bb7c0b1b1d5c38b4614c9252aa.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1208
-