Analysis
-
max time kernel
150s -
max time network
32s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
07-02-2023 00:17
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
-
Target
file.exe
-
Size
298KB
-
MD5
afc1de57455861ff97bf20c27cfaba6c
-
SHA1
00bd80516cbf5a309b48730abc76eedd9c5c688f
-
SHA256
086f98376b2a5d38f1215467ef57d7803523984b3ff745fc5438eea791da7985
-
SHA512
d2651e79444401b4a04f7169d6d782eea042273eacca0e95dd332b2562d2789bda2dabda11c37d18815013ea0d024271f1ffdbe74b74006d5af863b82f1673ce
-
SSDEEP
3072:Aqb6bEcjNLqKRmaVrAndcjlYJZnQ6jJC9GS6AEn11uQjiMTE5wY3ta5hN:1vcjNLqJaVYeCjJoEkE11uQj9EaL
Malware Config
Signatures
-
Detects Smokeloader packer 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1788-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1788-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/940-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1788-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1788-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
file.exedescription pid process target process PID 940 set thread context of 1788 940 file.exe file.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
file.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
file.exepid process 1788 file.exe 1788 file.exe 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 1376 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 1788 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
file.exedescription pid process target process PID 940 wrote to memory of 1788 940 file.exe file.exe PID 940 wrote to memory of 1788 940 file.exe file.exe PID 940 wrote to memory of 1788 940 file.exe file.exe PID 940 wrote to memory of 1788 940 file.exe file.exe PID 940 wrote to memory of 1788 940 file.exe file.exe PID 940 wrote to memory of 1788 940 file.exe file.exe PID 940 wrote to memory of 1788 940 file.exe file.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:940 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1788
-