Analysis
- max time kernel
150s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
22/12/2022, 21:09
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 316KB
- Sample221222-zzfk2afb93
- SHA256 c2d39c8ceaa12aa24a956e6863320d6802bc73d01e2137f875d9e78518eb7f0c
- MD5 d7b67d5c697bbf9f7388268de8321a26
- SHA1 7fc96b6403293934fbe7a79a49dbc07a5b10cecc
- SHA512 923673f25faeecdc041c244f96b9fc12e348dbbbfdcb82f3a393cc1fc87413c1e60a465bc072336bdfa5df9787b24fea7ac51a0e0ec7ae4f542f33fd57b91bfa
- SSDEEP 6144:9R0LdxlrwySrlXrmoOMQpo8h1LRR0cSpQTtyzsduHNIv:/05xlrwySNivpZLRR0TCtyYduHNI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/4380-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5056-135-0x00000000006F0000-0x00000000006F9000-memory.dmp family_smokeloader behavioral2/memory/4380-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4380-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2272-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2272-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 1144 ijhuutv 2272 ijhuutv - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5056 set thread context of 4380 5056 file.exe 81 PID 1144 set thread context of 2272 1144 ijhuutv 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 ijhuutv Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ijhuutv Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ijhuutv 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 4380 file.exe 4380 file.exe 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2752 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4380 file.exe 2272 ijhuutv - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2752 Process not Found Token: SeCreatePagefilePrivilege 2752 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5056 wrote to memory of 4380 5056 file.exe 81 PID 5056 wrote to memory of 4380 5056 file.exe 81 PID 5056 wrote to memory of 4380 5056 file.exe 81 PID 5056 wrote to memory of 4380 5056 file.exe 81 PID 5056 wrote to memory of 4380 5056 file.exe 81 PID 5056 wrote to memory of 4380 5056 file.exe 81 PID 1144 wrote to memory of 2272 1144 ijhuutv 90 PID 1144 wrote to memory of 2272 1144 ijhuutv 90 PID 1144 wrote to memory of 2272 1144 ijhuutv 90 PID 1144 wrote to memory of 2272 1144 ijhuutv 90 PID 1144 wrote to memory of 2272 1144 ijhuutv 90 PID 1144 wrote to memory of 2272 1144 ijhuutv 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:5056 -
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:4380
-
-
C:\Users\Admin\AppData\Roaming\ijhuutvC:\Users\Admin\AppData\Roaming\ijhuutv1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Users\Admin\AppData\Roaming\ijhuutvC:\Users\Admin\AppData\Roaming\ijhuutv2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2272
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\ijhuutv
- Size 316KB
- SHA256 c2d39c8ceaa12aa24a956e6863320d6802bc73d01e2137f875d9e78518eb7f0c
- MD5 d7b67d5c697bbf9f7388268de8321a26
- SHA1 7fc96b6403293934fbe7a79a49dbc07a5b10cecc
- SHA512 923673f25faeecdc041c244f96b9fc12e348dbbbfdcb82f3a393cc1fc87413c1e60a465bc072336bdfa5df9787b24fea7ac51a0e0ec7ae4f542f33fd57b91bfa
- SSDEEP 6144:9R0LdxlrwySrlXrmoOMQpo8h1LRR0cSpQTtyzsduHNIv:/05xlrwySNivpZLRR0TCtyYduHNI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\ijhuutv
- Size 316KB
- SHA256 c2d39c8ceaa12aa24a956e6863320d6802bc73d01e2137f875d9e78518eb7f0c
- MD5 d7b67d5c697bbf9f7388268de8321a26
- SHA1 7fc96b6403293934fbe7a79a49dbc07a5b10cecc
- SHA512 923673f25faeecdc041c244f96b9fc12e348dbbbfdcb82f3a393cc1fc87413c1e60a465bc072336bdfa5df9787b24fea7ac51a0e0ec7ae4f542f33fd57b91bfa
- SSDEEP 6144:9R0LdxlrwySrlXrmoOMQpo8h1LRR0cSpQTtyzsduHNIv:/05xlrwySNivpZLRR0TCtyYduHNI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\ijhuutv
- Size 316KB
- SHA256 c2d39c8ceaa12aa24a956e6863320d6802bc73d01e2137f875d9e78518eb7f0c
- MD5 d7b67d5c697bbf9f7388268de8321a26
- SHA1 7fc96b6403293934fbe7a79a49dbc07a5b10cecc
- SHA512 923673f25faeecdc041c244f96b9fc12e348dbbbfdcb82f3a393cc1fc87413c1e60a465bc072336bdfa5df9787b24fea7ac51a0e0ec7ae4f542f33fd57b91bfa
- SSDEEP 6144:9R0LdxlrwySrlXrmoOMQpo8h1LRR0cSpQTtyzsduHNIv:/05xlrwySNivpZLRR0TCtyYduHNI
- MD5 SHA1 SHA512 SSDEEP