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Analysis
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max time kernel
152s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
12/02/2023, 21:58
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
180KB
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MD5
0fbd624f1a4c263d6bf69cc3aecbbd0a
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SHA1
869223a42c31744c4834b797333a0ef4092ba2f5
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SHA256
d18e128b5e7f0d6a1d7e4b4c2c7daf8e2ee1768b2cf87e6495d7f596756e911a
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SHA512
4dfc1cb8025bf0d7e810bf1f39b3cf86041b3ae3c3c28d782fa33c236edd35bd593095ce88236b0e83196c1929dcb56a68389a57de4405812db1c8e42f4910d6
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SSDEEP
3072:1KSZkKi5Hvgj3Mm7Z8eXp0nFEEfwm47Fb9Jr9:HKbYj31WspfEfGr9
Malware Config
Signatures
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Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/544-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5068-135-0x0000000000A20000-0x0000000000A29000-memory.dmp family_smokeloader behavioral2/memory/544-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/544-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1840-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1840-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
pid Process 4372 jwbvwvu 1840 jwbvwvu -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5068 set thread context of 544 5068 file.exe 81 PID 4372 set thread context of 1840 4372 jwbvwvu 90 -
Checks SCSI registry key(s) 3 TTPs 6 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jwbvwvu Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jwbvwvu Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jwbvwvu -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 544 file.exe 544 file.exe 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3092 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 544 file.exe 1840 jwbvwvu -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3092 Process not Found Token: SeCreatePagefilePrivilege 3092 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5068 wrote to memory of 544 5068 file.exe 81 PID 5068 wrote to memory of 544 5068 file.exe 81 PID 5068 wrote to memory of 544 5068 file.exe 81 PID 5068 wrote to memory of 544 5068 file.exe 81 PID 5068 wrote to memory of 544 5068 file.exe 81 PID 5068 wrote to memory of 544 5068 file.exe 81 PID 4372 wrote to memory of 1840 4372 jwbvwvu 90 PID 4372 wrote to memory of 1840 4372 jwbvwvu 90 PID 4372 wrote to memory of 1840 4372 jwbvwvu 90 PID 4372 wrote to memory of 1840 4372 jwbvwvu 90 PID 4372 wrote to memory of 1840 4372 jwbvwvu 90 PID 4372 wrote to memory of 1840 4372 jwbvwvu 90
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:5068 -
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:544
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C:\Users\Admin\AppData\Roaming\jwbvwvuC:\Users\Admin\AppData\Roaming\jwbvwvu1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Users\Admin\AppData\Roaming\jwbvwvuC:\Users\Admin\AppData\Roaming\jwbvwvu2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1840
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
180KB
MD50fbd624f1a4c263d6bf69cc3aecbbd0a
SHA1869223a42c31744c4834b797333a0ef4092ba2f5
SHA256d18e128b5e7f0d6a1d7e4b4c2c7daf8e2ee1768b2cf87e6495d7f596756e911a
SHA5124dfc1cb8025bf0d7e810bf1f39b3cf86041b3ae3c3c28d782fa33c236edd35bd593095ce88236b0e83196c1929dcb56a68389a57de4405812db1c8e42f4910d6
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Filesize
180KB
MD50fbd624f1a4c263d6bf69cc3aecbbd0a
SHA1869223a42c31744c4834b797333a0ef4092ba2f5
SHA256d18e128b5e7f0d6a1d7e4b4c2c7daf8e2ee1768b2cf87e6495d7f596756e911a
SHA5124dfc1cb8025bf0d7e810bf1f39b3cf86041b3ae3c3c28d782fa33c236edd35bd593095ce88236b0e83196c1929dcb56a68389a57de4405812db1c8e42f4910d6
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Filesize
180KB
MD50fbd624f1a4c263d6bf69cc3aecbbd0a
SHA1869223a42c31744c4834b797333a0ef4092ba2f5
SHA256d18e128b5e7f0d6a1d7e4b4c2c7daf8e2ee1768b2cf87e6495d7f596756e911a
SHA5124dfc1cb8025bf0d7e810bf1f39b3cf86041b3ae3c3c28d782fa33c236edd35bd593095ce88236b0e83196c1929dcb56a68389a57de4405812db1c8e42f4910d6