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Analysis
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max time kernel
152s -
max time network
81s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe
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Size
260KB
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MD5
620258c7f930775b6017f6b4575c3129
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SHA1
c54159c77286ad779195278c0c6c083b0771d92a
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SHA256
f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a
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SHA512
56e58e17bba9204e8e218fb0cfe015fd4f63f059065be2a6e36f3ced1be026171f5330264205e5d1e286310601c3df7f323d0997a2b9216a69ff2ac641f95c77
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SSDEEP
6144:L3PFKs7diixRSFBfWEqxF6snji81RUinK51jbkxku1SFF:7PhJuBXVbkxJ18F
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" jiuraa.exe -
Executes dropped EXE 1 IoCs
pid Process 952 jiuraa.exe -
Loads dropped DLL 2 IoCs
pid Process 1652 f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe 1652 f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /m" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /t" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /b" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /f" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /d" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /i" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /x" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /j" jiuraa.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /y" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /r" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /n" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /l" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /e" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /p" f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /z" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /o" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /c" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /v" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /k" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /p" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /g" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /w" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /a" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /s" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /u" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /h" jiuraa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jiuraa = "C:\\Users\\Admin\\jiuraa.exe /q" jiuraa.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1652 f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe 952 jiuraa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1652 f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe 952 jiuraa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1652 wrote to memory of 952 1652 f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe 28 PID 1652 wrote to memory of 952 1652 f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe 28 PID 1652 wrote to memory of 952 1652 f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe 28 PID 1652 wrote to memory of 952 1652 f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe"C:\Users\Admin\AppData\Local\Temp\f89a1fe6b8d037efbfdbd822aefa37610882f013d609ac860ebf69fc80eb787a.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Users\Admin\jiuraa.exe"C:\Users\Admin\jiuraa.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
260KB
MD588815f49e0937a403add2609085cad59
SHA1b034f4669316979b072294d2331365cb48fda22f
SHA2563c35644be3106ef3e522453ded6ff60a05bd2c230ce5cf9197f62aae5204853c
SHA51205217c35b8c70deadabf1115d97ef8649854c72bcb6c5122a5f6866519e8953eacadc6debf72e6c09b630fa44574d5738417f0930988058878e0f82cf546cb9c
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Filesize
260KB
MD588815f49e0937a403add2609085cad59
SHA1b034f4669316979b072294d2331365cb48fda22f
SHA2563c35644be3106ef3e522453ded6ff60a05bd2c230ce5cf9197f62aae5204853c
SHA51205217c35b8c70deadabf1115d97ef8649854c72bcb6c5122a5f6866519e8953eacadc6debf72e6c09b630fa44574d5738417f0930988058878e0f82cf546cb9c
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Filesize
260KB
MD588815f49e0937a403add2609085cad59
SHA1b034f4669316979b072294d2331365cb48fda22f
SHA2563c35644be3106ef3e522453ded6ff60a05bd2c230ce5cf9197f62aae5204853c
SHA51205217c35b8c70deadabf1115d97ef8649854c72bcb6c5122a5f6866519e8953eacadc6debf72e6c09b630fa44574d5738417f0930988058878e0f82cf546cb9c
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Filesize
260KB
MD588815f49e0937a403add2609085cad59
SHA1b034f4669316979b072294d2331365cb48fda22f
SHA2563c35644be3106ef3e522453ded6ff60a05bd2c230ce5cf9197f62aae5204853c
SHA51205217c35b8c70deadabf1115d97ef8649854c72bcb6c5122a5f6866519e8953eacadc6debf72e6c09b630fa44574d5738417f0930988058878e0f82cf546cb9c