Analysis
- max time kernel
151s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
15/09/2022, 12:01
Static task
static1
Behavioral task
behavioral1
Sample
27b70da3a74afcd5e82d7f0f5acec72b.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
27b70da3a74afcd5e82d7f0f5acec72b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 27b70da3a74afcd5e82d7f0f5acec72b.exe
- Size 248KB
- Sample220915-n6weaadaa7
- SHA256 5596bf3eae94c4e77eee13ea738dba48864d79a6ea7a269cc598b66325ef3f40
- MD5 27b70da3a74afcd5e82d7f0f5acec72b
- SHA1 ef89fc4941b966487cc4396768a7d5b87828dbe1
- SHA512 52fb041dea8e8d313e3602327085bc64d848e4e81b536eef4e8c867bb414c30ef00d0d66136477877b52929ae93eb1689dbe4828bbb0e66620d000bf1a25e5ca
- SSDEEP 3072:IXMO0tPGKInveLtFYR755ctw4TIgEToFQ9/AmS+Wex0KmWcydOdM/h3BsxkgaBCY:c+PzaGLtGREwAU0F4/AHWx0pThdniga
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4752-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3140-135-0x0000000002180000-0x0000000002189000-memory.dmp family_smokeloader behavioral2/memory/4752-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4752-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3140 set thread context of 4752 3140 27b70da3a74afcd5e82d7f0f5acec72b.exe 79 - 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 27b70da3a74afcd5e82d7f0f5acec72b.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 27b70da3a74afcd5e82d7f0f5acec72b.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 27b70da3a74afcd5e82d7f0f5acec72b.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4752 27b70da3a74afcd5e82d7f0f5acec72b.exe 4752 27b70da3a74afcd5e82d7f0f5acec72b.exe 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2596 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4752 27b70da3a74afcd5e82d7f0f5acec72b.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3140 wrote to memory of 4752 3140 27b70da3a74afcd5e82d7f0f5acec72b.exe 79 PID 3140 wrote to memory of 4752 3140 27b70da3a74afcd5e82d7f0f5acec72b.exe 79 PID 3140 wrote to memory of 4752 3140 27b70da3a74afcd5e82d7f0f5acec72b.exe 79 PID 3140 wrote to memory of 4752 3140 27b70da3a74afcd5e82d7f0f5acec72b.exe 79 PID 3140 wrote to memory of 4752 3140 27b70da3a74afcd5e82d7f0f5acec72b.exe 79 PID 3140 wrote to memory of 4752 3140 27b70da3a74afcd5e82d7f0f5acec72b.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\27b70da3a74afcd5e82d7f0f5acec72b.exe"C:\Users\Admin\AppData\Local\Temp\27b70da3a74afcd5e82d7f0f5acec72b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3140 -
C:\Users\Admin\AppData\Local\Temp\27b70da3a74afcd5e82d7f0f5acec72b.exe"C:\Users\Admin\AppData\Local\Temp\27b70da3a74afcd5e82d7f0f5acec72b.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4752
-