Analysis
- max time kernel
158s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/09/2022, 20:26
Static task
static1
Behavioral task
behavioral1
Sample
bb1b6c8be9be42927df4cf6b4272946b.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
bb1b6c8be9be42927df4cf6b4272946b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target bb1b6c8be9be42927df4cf6b4272946b.exe
- Size 290KB
- Sample220903-y7txyscdhn
- SHA256 bf846cbc83c1ac38efca7c18b0d9824805375481bebd7e404d1176e4f4f18f46
- MD5 bb1b6c8be9be42927df4cf6b4272946b
- SHA1 6bfca477f31938fe4208e6f6653e9e43ae54ec69
- SHA512 37d190a87caf0e56225023d1a4411806e2041d6302d3927d7a498f9ffa012190eea8764d42dcbcc2c862bfd2bc746509edef04a1310bbbffc54473318520c78e
- SSDEEP 3072:+Xd49r+HmknG9Dv1fyYGmBk/DHAu3N1dAWeSLb+:eUv1qn4Qg+N1dAxS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3440-133-0x0000000002DF0000-0x0000000002DF9000-memory.dmp family_smokeloader behavioral2/memory/1324-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1324-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1324-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3440 set thread context of 1324 3440 bb1b6c8be9be42927df4cf6b4272946b.exe 81 - 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 bb1b6c8be9be42927df4cf6b4272946b.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bb1b6c8be9be42927df4cf6b4272946b.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bb1b6c8be9be42927df4cf6b4272946b.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1324 bb1b6c8be9be42927df4cf6b4272946b.exe 1324 bb1b6c8be9be42927df4cf6b4272946b.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 1324 bb1b6c8be9be42927df4cf6b4272946b.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3440 wrote to memory of 1324 3440 bb1b6c8be9be42927df4cf6b4272946b.exe 81 PID 3440 wrote to memory of 1324 3440 bb1b6c8be9be42927df4cf6b4272946b.exe 81 PID 3440 wrote to memory of 1324 3440 bb1b6c8be9be42927df4cf6b4272946b.exe 81 PID 3440 wrote to memory of 1324 3440 bb1b6c8be9be42927df4cf6b4272946b.exe 81 PID 3440 wrote to memory of 1324 3440 bb1b6c8be9be42927df4cf6b4272946b.exe 81 PID 3440 wrote to memory of 1324 3440 bb1b6c8be9be42927df4cf6b4272946b.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb1b6c8be9be42927df4cf6b4272946b.exe"C:\Users\Admin\AppData\Local\Temp\bb1b6c8be9be42927df4cf6b4272946b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Users\Admin\AppData\Local\Temp\bb1b6c8be9be42927df4cf6b4272946b.exe"C:\Users\Admin\AppData\Local\Temp\bb1b6c8be9be42927df4cf6b4272946b.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1324
-