c6fda54203f309cbe8b49584a5cb5b24ca09392b9f96191d0177221a639dc77b

Analysis

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

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General

Target

uiso9_cn.exe
Size

2.2MB
MD5

539902c3cd4071c5603ab30403494b9e
SHA1

b1c4a7f45a725907493543dd1dcfcb430375c001
SHA256

c6fda54203f309cbe8b49584a5cb5b24ca09392b9f96191d0177221a639dc77b
SHA512

78611185f54fa7395b033bb4e7d0a91ca07059f39745efc5481fb5bb42ecf1872e7f4da7dab2f2c5d6f5ac369f1d842ff6c13704ce943684b0f70367067084ce
SSDEEP

49152:E9Fj+J6gI88iliT0IHdtndpzgcVYI6MBtPId/CwxKEDGz3MwH:OFjm6YlG9tnMcOsQdawxez3LH

Score

7^/10

Malware Config

Signatures

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

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

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-26KK7.tmp\uiso9_cn.tmp

Filesize
760KB

MD5
f3c51febb3246b0bd7d5419a311331a0

SHA1
9f7113ef177036125ef668f718068fe60796042c

SHA256
bf045aaac353b715a77c54b6c145b038939053651313d7ef1e608674c7519d9a

SHA512
c7c1e6fab254a3b462d4c0bad2d700afc9d6bcbe2a4cff01531f937429ca5d3b56dd9c613bc978474abbc2be92e075f15c6c3cf999d899ea14e3595ea033d006

Download Submit
\Users\Admin\AppData\Local\Temp\is-26KK7.tmp\uiso9_cn.tmp

Filesize
760KB

MD5
f3c51febb3246b0bd7d5419a311331a0

SHA1
9f7113ef177036125ef668f718068fe60796042c

SHA256
bf045aaac353b715a77c54b6c145b038939053651313d7ef1e608674c7519d9a

SHA512
c7c1e6fab254a3b462d4c0bad2d700afc9d6bcbe2a4cff01531f937429ca5d3b56dd9c613bc978474abbc2be92e075f15c6c3cf999d899ea14e3595ea033d006

Download Submit
\Users\Admin\AppData\Local\Temp\is-9I0M4.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-9I0M4.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1052-54-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1052-68-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2036-67-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2036-69-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads