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Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
27/10/2022, 09:58
Static task
static1
Behavioral task
behavioral1
Sample
3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe
Resource
win10-20220812-en
General
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Target
3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe
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Size
260KB
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MD5
708e7f2aaa80347c8813cab1e76d1599
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SHA1
20183660b5b67d2e60b77755a86ded4c493e5c1d
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SHA256
3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775
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SHA512
7df8761dca9e8a08a19e60367a5a5b5f4c5a1c60d6395a822e2f8aef77214c44b965ccb2042c184248fadaf2b6e1d0182ce80be489e98028bb869f7d8babcc8f
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SSDEEP
3072:XXC0oW2YkQ0UOqXJbS5tDA45qnERjZFjM+r9EESLvVl7GUAFR/wjiW0Kc:Hlp22DOqXJM0MGsjnMaEJx1vuwiW0
Malware Config
Signatures
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Detects Smokeloader packer 7 IoCs
resource yara_rule behavioral1/memory/1112-145-0x0000000002D50000-0x0000000002D59000-memory.dmp family_smokeloader behavioral1/memory/2716-150-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2716-151-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2716-162-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2716-182-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1656-213-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1656-245-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
pid Process 5092 biwgwjt 1656 biwgwjt -
Deletes itself 1 IoCs
pid Process 3056 Process not Found -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1112 set thread context of 2716 1112 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 66 PID 5092 set thread context of 1656 5092 biwgwjt 68 -
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 biwgwjt Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI biwgwjt Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI biwgwjt Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2716 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 2716 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3056 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2716 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 1656 biwgwjt -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3056 Process not Found Token: SeCreatePagefilePrivilege 3056 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1112 wrote to memory of 2716 1112 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 66 PID 1112 wrote to memory of 2716 1112 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 66 PID 1112 wrote to memory of 2716 1112 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 66 PID 1112 wrote to memory of 2716 1112 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 66 PID 1112 wrote to memory of 2716 1112 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 66 PID 1112 wrote to memory of 2716 1112 3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe 66 PID 5092 wrote to memory of 1656 5092 biwgwjt 68 PID 5092 wrote to memory of 1656 5092 biwgwjt 68 PID 5092 wrote to memory of 1656 5092 biwgwjt 68 PID 5092 wrote to memory of 1656 5092 biwgwjt 68 PID 5092 wrote to memory of 1656 5092 biwgwjt 68 PID 5092 wrote to memory of 1656 5092 biwgwjt 68
Processes
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C:\Users\Admin\AppData\Local\Temp\3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe"C:\Users\Admin\AppData\Local\Temp\3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Users\Admin\AppData\Local\Temp\3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe"C:\Users\Admin\AppData\Local\Temp\3b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2716
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C:\Users\Admin\AppData\Roaming\biwgwjtC:\Users\Admin\AppData\Roaming\biwgwjt1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Users\Admin\AppData\Roaming\biwgwjtC:\Users\Admin\AppData\Roaming\biwgwjt2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1656
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
260KB
MD5708e7f2aaa80347c8813cab1e76d1599
SHA120183660b5b67d2e60b77755a86ded4c493e5c1d
SHA2563b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775
SHA5127df8761dca9e8a08a19e60367a5a5b5f4c5a1c60d6395a822e2f8aef77214c44b965ccb2042c184248fadaf2b6e1d0182ce80be489e98028bb869f7d8babcc8f
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Filesize
260KB
MD5708e7f2aaa80347c8813cab1e76d1599
SHA120183660b5b67d2e60b77755a86ded4c493e5c1d
SHA2563b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775
SHA5127df8761dca9e8a08a19e60367a5a5b5f4c5a1c60d6395a822e2f8aef77214c44b965ccb2042c184248fadaf2b6e1d0182ce80be489e98028bb869f7d8babcc8f
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Filesize
260KB
MD5708e7f2aaa80347c8813cab1e76d1599
SHA120183660b5b67d2e60b77755a86ded4c493e5c1d
SHA2563b4612b12159303021938158e27b6f99c8539e14aa08f3b27e5c919ed9006775
SHA5127df8761dca9e8a08a19e60367a5a5b5f4c5a1c60d6395a822e2f8aef77214c44b965ccb2042c184248fadaf2b6e1d0182ce80be489e98028bb869f7d8babcc8f