Analysis
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max time kernel
150s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
29-03-2023 09:38
General
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Target
file.exe
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Size
245KB
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MD5
47d99b19db67e143cc9267529c9ba642
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SHA1
7f880bee9f2e720c764c05f4006739a6b55f969b
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SHA256
12e76450eae37c96bc6ec0826ab19b375b66109d4b4e6d89beea5cd8d370d9c1
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SHA512
c759c51661350d4da25c4cfe2fb7af312a3e0da8bb0ed0d5cdc978eba883b7deccf3bb858a7d94b707732a0fa2df18edb0d8674202601f94be59e4812d66a45d
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SSDEEP
3072:9IvZcg60rvLOi1J4OQ+Syf8RUnTmxrmDRZhuMZQmDVX5el/vzFQ8:9qZd/vLOVOQ4ka2rm/hu1mDmJv5
Malware Config
Extracted
smokeloader
lab
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
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Suspicious use of SetThreadContext 2 IoCs
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Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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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
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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
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C:\Users\Admin\AppData\Roaming\eurvwhgC:\Users\Admin\AppData\Roaming\eurvwhg1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\eurvwhgC:\Users\Admin\AppData\Roaming\eurvwhg2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
245KB
MD547d99b19db67e143cc9267529c9ba642
SHA17f880bee9f2e720c764c05f4006739a6b55f969b
SHA25612e76450eae37c96bc6ec0826ab19b375b66109d4b4e6d89beea5cd8d370d9c1
SHA512c759c51661350d4da25c4cfe2fb7af312a3e0da8bb0ed0d5cdc978eba883b7deccf3bb858a7d94b707732a0fa2df18edb0d8674202601f94be59e4812d66a45d
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Filesize
245KB
MD547d99b19db67e143cc9267529c9ba642
SHA17f880bee9f2e720c764c05f4006739a6b55f969b
SHA25612e76450eae37c96bc6ec0826ab19b375b66109d4b4e6d89beea5cd8d370d9c1
SHA512c759c51661350d4da25c4cfe2fb7af312a3e0da8bb0ed0d5cdc978eba883b7deccf3bb858a7d94b707732a0fa2df18edb0d8674202601f94be59e4812d66a45d
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Filesize
245KB
MD547d99b19db67e143cc9267529c9ba642
SHA17f880bee9f2e720c764c05f4006739a6b55f969b
SHA25612e76450eae37c96bc6ec0826ab19b375b66109d4b4e6d89beea5cd8d370d9c1
SHA512c759c51661350d4da25c4cfe2fb7af312a3e0da8bb0ed0d5cdc978eba883b7deccf3bb858a7d94b707732a0fa2df18edb0d8674202601f94be59e4812d66a45d
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Filesize
36KB
-
Filesize
88KB
-
Filesize
88KB
-
Filesize
36KB
-
Filesize
36KB
-
Filesize
36KB
-
Filesize
36KB