Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
14/11/2022, 18:39
Static task
static1
Behavioral task
behavioral1
Sample
c9729990f5593842b8c3e0a0ea51810e.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
c9729990f5593842b8c3e0a0ea51810e.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target c9729990f5593842b8c3e0a0ea51810e.exe
- Size 310KB
- Sample221114-xal1each55
- SHA256 c084847e728bebca52280d65783b3c702b73d46df15f14c481e1703cb4b0a985
- MD5 c9729990f5593842b8c3e0a0ea51810e
- SHA1 6e5d8d8691b34448c27a854ab52918ecd3aac613
- SHA512 d9eefb2d3272e3766caef06fe481798169be557691b146da15da09c5d624403399c157bfe56c3d4c6118b97958781734fb9dfe6c892944e4b01488519f589878
- SSDEEP 6144:88ytLkOOsK0eG7L04VXw1VME4c7mnYEn2E1aJ:88WoOOseG7L0Mg1K8mYUv
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/1028-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4872-135-0x0000000000970000-0x0000000000979000-memory.dmp family_smokeloader behavioral2/memory/1028-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1028-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2828-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2828-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 4312 htbhdvb 2828 htbhdvb - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4872 set thread context of 1028 4872 c9729990f5593842b8c3e0a0ea51810e.exe 83 PID 4312 set thread context of 2828 4312 htbhdvb 91 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c9729990f5593842b8c3e0a0ea51810e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c9729990f5593842b8c3e0a0ea51810e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c9729990f5593842b8c3e0a0ea51810e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI htbhdvb Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI htbhdvb Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI htbhdvb - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1028 c9729990f5593842b8c3e0a0ea51810e.exe 1028 c9729990f5593842b8c3e0a0ea51810e.exe 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3040 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1028 c9729990f5593842b8c3e0a0ea51810e.exe 2828 htbhdvb - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3040 Process not Found Token: SeCreatePagefilePrivilege 3040 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4872 wrote to memory of 1028 4872 c9729990f5593842b8c3e0a0ea51810e.exe 83 PID 4872 wrote to memory of 1028 4872 c9729990f5593842b8c3e0a0ea51810e.exe 83 PID 4872 wrote to memory of 1028 4872 c9729990f5593842b8c3e0a0ea51810e.exe 83 PID 4872 wrote to memory of 1028 4872 c9729990f5593842b8c3e0a0ea51810e.exe 83 PID 4872 wrote to memory of 1028 4872 c9729990f5593842b8c3e0a0ea51810e.exe 83 PID 4872 wrote to memory of 1028 4872 c9729990f5593842b8c3e0a0ea51810e.exe 83 PID 4312 wrote to memory of 2828 4312 htbhdvb 91 PID 4312 wrote to memory of 2828 4312 htbhdvb 91 PID 4312 wrote to memory of 2828 4312 htbhdvb 91 PID 4312 wrote to memory of 2828 4312 htbhdvb 91 PID 4312 wrote to memory of 2828 4312 htbhdvb 91 PID 4312 wrote to memory of 2828 4312 htbhdvb 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\c9729990f5593842b8c3e0a0ea51810e.exe"C:\Users\Admin\AppData\Local\Temp\c9729990f5593842b8c3e0a0ea51810e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Users\Admin\AppData\Local\Temp\c9729990f5593842b8c3e0a0ea51810e.exe"C:\Users\Admin\AppData\Local\Temp\c9729990f5593842b8c3e0a0ea51810e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1028
-
-
C:\Users\Admin\AppData\Roaming\htbhdvbC:\Users\Admin\AppData\Roaming\htbhdvb1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4312 -
C:\Users\Admin\AppData\Roaming\htbhdvbC:\Users\Admin\AppData\Roaming\htbhdvb2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2828
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\htbhdvb
- Size 310KB
- SHA256 c084847e728bebca52280d65783b3c702b73d46df15f14c481e1703cb4b0a985
- MD5 c9729990f5593842b8c3e0a0ea51810e
- SHA1 6e5d8d8691b34448c27a854ab52918ecd3aac613
- SHA512 d9eefb2d3272e3766caef06fe481798169be557691b146da15da09c5d624403399c157bfe56c3d4c6118b97958781734fb9dfe6c892944e4b01488519f589878
- SSDEEP 6144:88ytLkOOsK0eG7L04VXw1VME4c7mnYEn2E1aJ:88WoOOseG7L0Mg1K8mYUv
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\htbhdvb
- Size 310KB
- SHA256 c084847e728bebca52280d65783b3c702b73d46df15f14c481e1703cb4b0a985
- MD5 c9729990f5593842b8c3e0a0ea51810e
- SHA1 6e5d8d8691b34448c27a854ab52918ecd3aac613
- SHA512 d9eefb2d3272e3766caef06fe481798169be557691b146da15da09c5d624403399c157bfe56c3d4c6118b97958781734fb9dfe6c892944e4b01488519f589878
- SSDEEP 6144:88ytLkOOsK0eG7L04VXw1VME4c7mnYEn2E1aJ:88WoOOseG7L0Mg1K8mYUv
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\htbhdvb
- Size 310KB
- SHA256 c084847e728bebca52280d65783b3c702b73d46df15f14c481e1703cb4b0a985
- MD5 c9729990f5593842b8c3e0a0ea51810e
- SHA1 6e5d8d8691b34448c27a854ab52918ecd3aac613
- SHA512 d9eefb2d3272e3766caef06fe481798169be557691b146da15da09c5d624403399c157bfe56c3d4c6118b97958781734fb9dfe6c892944e4b01488519f589878
- SSDEEP 6144:88ytLkOOsK0eG7L04VXw1VME4c7mnYEn2E1aJ:88WoOOseG7L0Mg1K8mYUv
- MD5 SHA1 SHA512 SSDEEP