Analysis
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max time kernel
151s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 08:05
Static task
static1
Behavioral task
behavioral1
Sample
05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe
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Size
194KB
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MD5
67cd7681d0845cd1a896e0801f0485c5
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SHA1
fe7be9ae94b5b8baf4ee0cd8da68b3a9bb6d0e6a
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SHA256
05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c
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SHA512
a029b72e180beea137583b7fbeb5a62c47ca8d42411d67a817abeef2f0c2264823e3d50388eaca519ab1a5e08b730c757b716a8e7e0dd5d8cafd68d9589c6371
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SSDEEP
3072:dXm4zELt8mBM5WsytFQ3EsczzkAt0KxuXxe:ZJzELqYQRKQS0QuXg
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/2980-133-0x0000000002170000-0x0000000002179000-memory.dmp family_smokeloader behavioral1/memory/3172-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3172-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3172-138-0x0000000000400000-0x0000000000409000-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 2980 set thread context of 3172 2980 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe 83 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3172 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe 3172 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3000 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3172 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2980 wrote to memory of 3172 2980 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe 83 PID 2980 wrote to memory of 3172 2980 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe 83 PID 2980 wrote to memory of 3172 2980 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe 83 PID 2980 wrote to memory of 3172 2980 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe 83 PID 2980 wrote to memory of 3172 2980 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe 83 PID 2980 wrote to memory of 3172 2980 05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe"C:\Users\Admin\AppData\Local\Temp\05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Users\Admin\AppData\Local\Temp\05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe"C:\Users\Admin\AppData\Local\Temp\05401b33ceb7fc05452730505ee7853d13c76f58b177002a5188e2b073d4f00c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3172
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