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Analysis
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max time kernel
141s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
13/06/2023, 18:14
Static task
static1
Behavioral task
behavioral1
Sample
uiso9_cn.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
uiso9_cn.exe
Resource
win10v2004-20230221-en
General
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Target
uiso9_cn.exe
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Size
2.2MB
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MD5
539902c3cd4071c5603ab30403494b9e
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SHA1
b1c4a7f45a725907493543dd1dcfcb430375c001
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SHA256
c6fda54203f309cbe8b49584a5cb5b24ca09392b9f96191d0177221a639dc77b
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SHA512
78611185f54fa7395b033bb4e7d0a91ca07059f39745efc5481fb5bb42ecf1872e7f4da7dab2f2c5d6f5ac369f1d842ff6c13704ce943684b0f70367067084ce
-
SSDEEP
49152:E9Fj+J6gI88iliT0IHdtndpzgcVYI6MBtPId/CwxKEDGz3MwH:OFjm6YlG9tnMcOsQdawxez3LH
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2036 uiso9_cn.tmp -
Loads dropped DLL 3 IoCs
pid Process 1052 uiso9_cn.exe 2036 uiso9_cn.tmp 2036 uiso9_cn.tmp -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2036 uiso9_cn.tmp -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1052 wrote to memory of 2036 1052 uiso9_cn.exe 28 PID 1052 wrote to memory of 2036 1052 uiso9_cn.exe 28 PID 1052 wrote to memory of 2036 1052 uiso9_cn.exe 28 PID 1052 wrote to memory of 2036 1052 uiso9_cn.exe 28 PID 1052 wrote to memory of 2036 1052 uiso9_cn.exe 28 PID 1052 wrote to memory of 2036 1052 uiso9_cn.exe 28 PID 1052 wrote to memory of 2036 1052 uiso9_cn.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\uiso9_cn.exe"C:\Users\Admin\AppData\Local\Temp\uiso9_cn.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Users\Admin\AppData\Local\Temp\is-26KK7.tmp\uiso9_cn.tmp"C:\Users\Admin\AppData\Local\Temp\is-26KK7.tmp\uiso9_cn.tmp" /SL5="$70124,2002741,126976,C:\Users\Admin\AppData\Local\Temp\uiso9_cn.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:2036
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
760KB
MD5f3c51febb3246b0bd7d5419a311331a0
SHA19f7113ef177036125ef668f718068fe60796042c
SHA256bf045aaac353b715a77c54b6c145b038939053651313d7ef1e608674c7519d9a
SHA512c7c1e6fab254a3b462d4c0bad2d700afc9d6bcbe2a4cff01531f937429ca5d3b56dd9c613bc978474abbc2be92e075f15c6c3cf999d899ea14e3595ea033d006
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Filesize
760KB
MD5f3c51febb3246b0bd7d5419a311331a0
SHA19f7113ef177036125ef668f718068fe60796042c
SHA256bf045aaac353b715a77c54b6c145b038939053651313d7ef1e608674c7519d9a
SHA512c7c1e6fab254a3b462d4c0bad2d700afc9d6bcbe2a4cff01531f937429ca5d3b56dd9c613bc978474abbc2be92e075f15c6c3cf999d899ea14e3595ea033d006
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3