Analysis
- max time kernel
150s - max time network
46s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
10/01/2023, 09:25
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 279KB
- Sample230110-ldmkkabc6t
- SHA256 db1ed6f18e44f1340f0e70afba498a88d6f9842c6cab767bbc8a324e2cf855ec
- MD5 939808ae50f930024f7e8db5f7aa7e6c
- SHA1 7201242b5cff050cf97249d357c1f99496acaf53
- SHA512 a8287f248beea3f904fd47f6fcaec4b4f40abfad698ab6315552c69101d562fd97182c102c99f00fbb11e5459a03decfd341267b49167549275ce660e38a668c
- SSDEEP 3072:5GXEm4mrLYfj2YqgL4X5wpgV0puGlufXgs6ik5Hz4aieX3AkAgIWtlwbrvZe07rN:cPLa2YqgL4ekSUQrUaiengywbv7r/
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1772-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1772-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1720-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1772-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1772-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1720 set thread context of 1772 1720 file.exe 26 - 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 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
pid Process 1772 file.exe 1772 file.exe 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found 1412 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1772 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1720 wrote to memory of 1772 1720 file.exe 26 PID 1720 wrote to memory of 1772 1720 file.exe 26 PID 1720 wrote to memory of 1772 1720 file.exe 26 PID 1720 wrote to memory of 1772 1720 file.exe 26 PID 1720 wrote to memory of 1772 1720 file.exe 26 PID 1720 wrote to memory of 1772 1720 file.exe 26 PID 1720 wrote to memory of 1772 1720 file.exe 26
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:1720 -
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:1772
-