Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
22/01/2023, 14:58
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
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 195KB
- Sample230122-sb6c8aab5s
- SHA256 c8ecbd53f00218c14ea066848502f5828f7f77cde4fcee3b66e9c72088ab1ca8
- MD5 0fdcad66f1f5b11696c1c7a45a718d1b
- SHA1 0f5fb4d515777205e17272c7429ce9d991bda886
- SHA512 1a457c714bb0e829fbc7352e966b77d4ad7eb06a2726162f9837ffe25c3e672aa7691a5a1fe7014beccd73dbbb031e3f20cdf7ad61d7be917938939380d85ad5
- SSDEEP 3072:sBN0X6u+8uOH9LbA/Np5heCOMtZTtLxVBZDTSeCmT7wLRO:kiZdLbINdeCOMtZTtLXD+ex7w
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1408-56-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1476-58-0x00000000003A0000-0x00000000003A9000-memory.dmp family_smokeloader behavioral1/memory/1408-57-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1408-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1408-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1476 set thread context of 1408 1476 file.exe 28 - 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 1408 file.exe 1408 file.exe 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1208 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1408 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1476 wrote to memory of 1408 1476 file.exe 28 PID 1476 wrote to memory of 1408 1476 file.exe 28 PID 1476 wrote to memory of 1408 1476 file.exe 28 PID 1476 wrote to memory of 1408 1476 file.exe 28 PID 1476 wrote to memory of 1408 1476 file.exe 28 PID 1476 wrote to memory of 1408 1476 file.exe 28 PID 1476 wrote to memory of 1408 1476 file.exe 28
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:1476 -
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:1408
-