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Analysis
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max time kernel
221s -
max time network
240s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
15/01/2023, 21:18
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
General
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Target
file.exe
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Size
210KB
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MD5
67ce6abdd45cc8eeb5521c8a380c7fd2
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SHA1
4ce9be4f42366057e176f12683f62453157c79f3
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SHA256
8766c2a59b2c0c90d0803fa76287cb79a9ea980d2be8bf3008750286ca20c8f6
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SHA512
448a48fae32dc4be08880239b87f9ca51ad4c974cccb9ec460f7765db69727bddcebe505fed9a3c037a1ec7e43c003673d32b5775db2098987f971e70baac24b
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SSDEEP
1536:YCQukO0Hpxdd27hM11YCYSPg9layLeFd55WluJzGVq8+WyuLOLJMcT/Yw8cDovI9:YCXj0HMAFd5sZO7NQtcUvNDny6Rxi
Malware Config
Signatures
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Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/1488-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3448-135-0x0000000002C20000-0x0000000002C29000-memory.dmp family_smokeloader behavioral2/memory/1488-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1488-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4188-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4188-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
pid Process 1960 uacuitv 4188 uacuitv -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3448 set thread context of 1488 3448 file.exe 77 PID 1960 set thread context of 4188 1960 uacuitv 79 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI uacuitv Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI uacuitv 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI uacuitv -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1488 file.exe 1488 file.exe 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found 2420 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2420 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1488 file.exe 4188 uacuitv -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 2420 Process not Found Token: SeCreatePagefilePrivilege 2420 Process not Found Token: SeShutdownPrivilege 2420 Process not Found Token: SeCreatePagefilePrivilege 2420 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3448 wrote to memory of 1488 3448 file.exe 77 PID 3448 wrote to memory of 1488 3448 file.exe 77 PID 3448 wrote to memory of 1488 3448 file.exe 77 PID 3448 wrote to memory of 1488 3448 file.exe 77 PID 3448 wrote to memory of 1488 3448 file.exe 77 PID 3448 wrote to memory of 1488 3448 file.exe 77 PID 1960 wrote to memory of 4188 1960 uacuitv 79 PID 1960 wrote to memory of 4188 1960 uacuitv 79 PID 1960 wrote to memory of 4188 1960 uacuitv 79 PID 1960 wrote to memory of 4188 1960 uacuitv 79 PID 1960 wrote to memory of 4188 1960 uacuitv 79 PID 1960 wrote to memory of 4188 1960 uacuitv 79
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
PID:3448 -
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:1488
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C:\Users\Admin\AppData\Roaming\uacuitvC:\Users\Admin\AppData\Roaming\uacuitv1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Users\Admin\AppData\Roaming\uacuitvC:\Users\Admin\AppData\Roaming\uacuitv2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4188
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
210KB
MD567ce6abdd45cc8eeb5521c8a380c7fd2
SHA14ce9be4f42366057e176f12683f62453157c79f3
SHA2568766c2a59b2c0c90d0803fa76287cb79a9ea980d2be8bf3008750286ca20c8f6
SHA512448a48fae32dc4be08880239b87f9ca51ad4c974cccb9ec460f7765db69727bddcebe505fed9a3c037a1ec7e43c003673d32b5775db2098987f971e70baac24b
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Filesize
210KB
MD567ce6abdd45cc8eeb5521c8a380c7fd2
SHA14ce9be4f42366057e176f12683f62453157c79f3
SHA2568766c2a59b2c0c90d0803fa76287cb79a9ea980d2be8bf3008750286ca20c8f6
SHA512448a48fae32dc4be08880239b87f9ca51ad4c974cccb9ec460f7765db69727bddcebe505fed9a3c037a1ec7e43c003673d32b5775db2098987f971e70baac24b
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Filesize
210KB
MD567ce6abdd45cc8eeb5521c8a380c7fd2
SHA14ce9be4f42366057e176f12683f62453157c79f3
SHA2568766c2a59b2c0c90d0803fa76287cb79a9ea980d2be8bf3008750286ca20c8f6
SHA512448a48fae32dc4be08880239b87f9ca51ad4c974cccb9ec460f7765db69727bddcebe505fed9a3c037a1ec7e43c003673d32b5775db2098987f971e70baac24b