Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
17-12-2022 06:35
Static task
static1
Behavioral task
behavioral1
Sample
23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe
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Size
213KB
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MD5
a9cd24aa8ef53afced26dc8d5f4d405d
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SHA1
dfb0aec6c60a033b79d4b635f6e83d0297a0c692
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SHA256
23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9
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SHA512
fc4c8ce914cf0fa8bc277ff39d7947e3e769dbb465d5e10ad871197de5f271683b48dda3b6233c852d99f4a1c37f157ef6c6b402f3ae8f7c14182f51a1f3b4a8
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SSDEEP
3072:GLqF9eLXkWNcaTRKeX7wU2CPVxpY7SkRA4LszUimFn2VT40zwUzQRKF+:yrLXkWe2d2AdYuH4gzUv+T40M2b
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/1080-133-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral1/memory/4420-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4420-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4420-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1080 set thread context of 4420 1080 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe 82 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4420 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe 4420 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found 772 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 772 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4420 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1080 wrote to memory of 4420 1080 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe 82 PID 1080 wrote to memory of 4420 1080 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe 82 PID 1080 wrote to memory of 4420 1080 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe 82 PID 1080 wrote to memory of 4420 1080 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe 82 PID 1080 wrote to memory of 4420 1080 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe 82 PID 1080 wrote to memory of 4420 1080 23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe"C:\Users\Admin\AppData\Local\Temp\23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Users\Admin\AppData\Local\Temp\23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe"C:\Users\Admin\AppData\Local\Temp\23fc1e99f37a4868d0c12c315404e7ac2217cf9a57e6a8f1c9bc09d8b233c4e9.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4420
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