Analysis
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max time kernel
122s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11/10/2023, 06:18
Behavioral task
behavioral1
Sample
3994c840d6f44530b65344ae7db13510_JC.exe
Resource
win7-20230831-en
General
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Target
3994c840d6f44530b65344ae7db13510_JC.exe
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Size
436KB
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MD5
3994c840d6f44530b65344ae7db13510
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SHA1
291b9f6494d6a4b3f105f8d91b558f90582164c5
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SHA256
d0d73efe8ddf13325f7f136d18c18b0e8584a0747129ac7994a88054a448b168
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SHA512
dad1da2bcdd177da87c6476268b8eb7c352c9890dc754c35320825dde5ecb320cbe6cb772eb74fd08547537cce9306f8fe4c68caac2ae534e52636aa2265eade
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SSDEEP
3072:yZ3vlHjQhJ3wE8iGK01Py3Vvsa26nfjQb6uNHG+yi38/rwdusS9V0alO2alNjgSr:oo3wBi+1Py3V0a2WkRNgi3caOHO5NjoO
Malware Config
Extracted
urelas
1.234.83.146
133.242.129.155
218.54.31.165
218.54.31.226
Signatures
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Deletes itself 1 IoCs
pid Process 2820 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2376 wufos.exe -
Loads dropped DLL 1 IoCs
pid Process 1932 3994c840d6f44530b65344ae7db13510_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1932 wrote to memory of 2376 1932 3994c840d6f44530b65344ae7db13510_JC.exe 28 PID 1932 wrote to memory of 2376 1932 3994c840d6f44530b65344ae7db13510_JC.exe 28 PID 1932 wrote to memory of 2376 1932 3994c840d6f44530b65344ae7db13510_JC.exe 28 PID 1932 wrote to memory of 2376 1932 3994c840d6f44530b65344ae7db13510_JC.exe 28 PID 1932 wrote to memory of 2820 1932 3994c840d6f44530b65344ae7db13510_JC.exe 29 PID 1932 wrote to memory of 2820 1932 3994c840d6f44530b65344ae7db13510_JC.exe 29 PID 1932 wrote to memory of 2820 1932 3994c840d6f44530b65344ae7db13510_JC.exe 29 PID 1932 wrote to memory of 2820 1932 3994c840d6f44530b65344ae7db13510_JC.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\3994c840d6f44530b65344ae7db13510_JC.exe"C:\Users\Admin\AppData\Local\Temp\3994c840d6f44530b65344ae7db13510_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Users\Admin\AppData\Local\Temp\wufos.exe"C:\Users\Admin\AppData\Local\Temp\wufos.exe"2⤵
- Executes dropped EXE
PID:2376
-
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "2⤵
- Deletes itself
PID:2820
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
282B
MD5745c761610d54273088f162b02159ff8
SHA18e1d5a30b94bc32a89a4fa03d63c1904333143af
SHA25676bf7f32d3daa0b7ac4396446ab14d616f774ffeeed76c40addf3e56e38069d6
SHA512e1053d5b73ff6b11edb513f4ec1f8ecebd3c4e9805bae3d07cb2fb0fb3b9441c68efced3e37b2fe61c9aeef9555c5b8e4c3de9d69a8dc8118e3cbeb04765af55
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Filesize
282B
MD5745c761610d54273088f162b02159ff8
SHA18e1d5a30b94bc32a89a4fa03d63c1904333143af
SHA25676bf7f32d3daa0b7ac4396446ab14d616f774ffeeed76c40addf3e56e38069d6
SHA512e1053d5b73ff6b11edb513f4ec1f8ecebd3c4e9805bae3d07cb2fb0fb3b9441c68efced3e37b2fe61c9aeef9555c5b8e4c3de9d69a8dc8118e3cbeb04765af55
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Filesize
512B
MD5d573b71c0565a3bbee1d2944c9271a65
SHA1cb61013bd75bc417ba94ad69974078448684fb1e
SHA256af73fd7197a61a2a945073137bbfb9599065816cd966868b2e71c23bb4d17670
SHA512bb94482f73bf26984aceb9f8e9905d887418a19987683a3e18b5b331ac46e8c0187af01502e8df00b561b56fd7974e5045957578a8946f1d6405f3d08f95b25e
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Filesize
436KB
MD5c9398f32f20d8f962d5924fccb6c137f
SHA17800d309a5d876fd86e048c87564c4f3fa73bca3
SHA25681abfcb8c010e731dd62916c54d2c74df2161e81cfb06caaecb9570270fca92b
SHA512a102bd4a1c396d0f7f67f5a730c78c93f2958900917eb5ff47024b7f886b338db31927ba0c5e077e2c0d9768edf8066e92817f0b9430bc6f4242fa0b1be95fbb
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Filesize
436KB
MD5c9398f32f20d8f962d5924fccb6c137f
SHA17800d309a5d876fd86e048c87564c4f3fa73bca3
SHA25681abfcb8c010e731dd62916c54d2c74df2161e81cfb06caaecb9570270fca92b
SHA512a102bd4a1c396d0f7f67f5a730c78c93f2958900917eb5ff47024b7f886b338db31927ba0c5e077e2c0d9768edf8066e92817f0b9430bc6f4242fa0b1be95fbb