Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
16/09/2022, 02:29
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 280KB
- Sample220916-cykf9sacbm
- SHA256 05a16e465c4aa7efcca992a294ba83fc2eac1d33cfa2af1faac0c70915fb1a97
- MD5 9d8a4f0d70d2ad12ac594188364925a6
- SHA1 75494c299a585f663095885afac47c40a6d723b7
- SHA512 87d513a6cdc70f0fb0c85f3447f2a56dc0ddfb646b6078ce07aaf3f727f5f4aa939cd60c8c32c14b10e7baa41456d04c5ac59ff781fb33bc2eaca383cf60cdbe
- SSDEEP 6144:80ZSGdyYDOTAK7e6EAnTcrZl0M21ulHZZQg:80FdyeOTAK7eycrZl0M24dE
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/3724-135-0x0000000000940000-0x0000000000949000-memory.dmp family_smokeloader behavioral2/memory/2180-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2180-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2180-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4068-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4068-147-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 216 cdrgbbg 4068 cdrgbbg - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3724 set thread context of 2180 3724 file.exe 81 PID 216 set thread context of 4068 216 cdrgbbg 90 - 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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cdrgbbg Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cdrgbbg Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cdrgbbg - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2180 file.exe 2180 file.exe 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 600 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2180 file.exe 4068 cdrgbbg - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 600 Process not Found Token: SeCreatePagefilePrivilege 600 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3724 wrote to memory of 2180 3724 file.exe 81 PID 3724 wrote to memory of 2180 3724 file.exe 81 PID 3724 wrote to memory of 2180 3724 file.exe 81 PID 3724 wrote to memory of 2180 3724 file.exe 81 PID 3724 wrote to memory of 2180 3724 file.exe 81 PID 3724 wrote to memory of 2180 3724 file.exe 81 PID 216 wrote to memory of 4068 216 cdrgbbg 90 PID 216 wrote to memory of 4068 216 cdrgbbg 90 PID 216 wrote to memory of 4068 216 cdrgbbg 90 PID 216 wrote to memory of 4068 216 cdrgbbg 90 PID 216 wrote to memory of 4068 216 cdrgbbg 90 PID 216 wrote to memory of 4068 216 cdrgbbg 90
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:3724 -
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:2180
-
-
C:\Users\Admin\AppData\Roaming\cdrgbbgC:\Users\Admin\AppData\Roaming\cdrgbbg1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Users\Admin\AppData\Roaming\cdrgbbgC:\Users\Admin\AppData\Roaming\cdrgbbg2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4068
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\cdrgbbg
- Size 280KB
- SHA256 05a16e465c4aa7efcca992a294ba83fc2eac1d33cfa2af1faac0c70915fb1a97
- MD5 9d8a4f0d70d2ad12ac594188364925a6
- SHA1 75494c299a585f663095885afac47c40a6d723b7
- SHA512 87d513a6cdc70f0fb0c85f3447f2a56dc0ddfb646b6078ce07aaf3f727f5f4aa939cd60c8c32c14b10e7baa41456d04c5ac59ff781fb33bc2eaca383cf60cdbe
- SSDEEP 6144:80ZSGdyYDOTAK7e6EAnTcrZl0M21ulHZZQg:80FdyeOTAK7eycrZl0M24dE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\cdrgbbg
- Size 280KB
- SHA256 05a16e465c4aa7efcca992a294ba83fc2eac1d33cfa2af1faac0c70915fb1a97
- MD5 9d8a4f0d70d2ad12ac594188364925a6
- SHA1 75494c299a585f663095885afac47c40a6d723b7
- SHA512 87d513a6cdc70f0fb0c85f3447f2a56dc0ddfb646b6078ce07aaf3f727f5f4aa939cd60c8c32c14b10e7baa41456d04c5ac59ff781fb33bc2eaca383cf60cdbe
- SSDEEP 6144:80ZSGdyYDOTAK7e6EAnTcrZl0M21ulHZZQg:80FdyeOTAK7eycrZl0M24dE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\cdrgbbg
- Size 280KB
- SHA256 05a16e465c4aa7efcca992a294ba83fc2eac1d33cfa2af1faac0c70915fb1a97
- MD5 9d8a4f0d70d2ad12ac594188364925a6
- SHA1 75494c299a585f663095885afac47c40a6d723b7
- SHA512 87d513a6cdc70f0fb0c85f3447f2a56dc0ddfb646b6078ce07aaf3f727f5f4aa939cd60c8c32c14b10e7baa41456d04c5ac59ff781fb33bc2eaca383cf60cdbe
- SSDEEP 6144:80ZSGdyYDOTAK7e6EAnTcrZl0M21ulHZZQg:80FdyeOTAK7eycrZl0M24dE
- MD5 SHA1 SHA512 SSDEEP