Analysis
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max time kernel
0s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
30-12-2023 06:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1146874becb449c9ff62ee9d013c36cc.exe
Resource
win7-20231129-en
windows7-x64
6 signatures
150 seconds
General
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Target
1146874becb449c9ff62ee9d013c36cc.exe
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Size
4.4MB
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MD5
1146874becb449c9ff62ee9d013c36cc
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SHA1
fc9dc8bb69b0903ce9ebdc1d48d04ebc351b47f3
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SHA256
cc9198700821977a72f3cf3a1ff22f75044202dbfa560669a70986dc5fb99f36
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SHA512
96c9d7c28568390d1af915d0c2a37558dc9b8441e6d663c7b4766b9b60197d6d3339b79497d000bec1259c4a05377f4e30268ed491e92949dc0db3781b373b20
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SSDEEP
98304:J738/JMxiHed8+il7Sem/x5MO1+/pY0g/W23WjXfqd1e3vGO/D:J7EOG+il7Sem/UxhEe2oXfqze3e6
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid Process 2808 timeout.exe -
Kills process with taskkill 2 IoCs
Processes:
taskkill.exetaskkill.exepid Process 2228 taskkill.exe 1972 taskkill.exe -
Runs .reg file with regedit 1 IoCs
Processes:
regedit.exepid Process 1592 regedit.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
1146874becb449c9ff62ee9d013c36cc.exedescription pid Process procid_target PID 2344 wrote to memory of 2776 2344 1146874becb449c9ff62ee9d013c36cc.exe 32 PID 2344 wrote to memory of 2776 2344 1146874becb449c9ff62ee9d013c36cc.exe 32 PID 2344 wrote to memory of 2776 2344 1146874becb449c9ff62ee9d013c36cc.exe 32 PID 2344 wrote to memory of 2776 2344 1146874becb449c9ff62ee9d013c36cc.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\1146874becb449c9ff62ee9d013c36cc.exe"C:\Users\Admin\AppData\Local\Temp\1146874becb449c9ff62ee9d013c36cc.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.vbs"2⤵PID:2776
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\System\install.vbs"1⤵PID:2656
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Program Files (x86)\System\install.bat" "2⤵PID:2512
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C:\Program Files (x86)\System\rutserv.exerutserv.exe /start3⤵PID:1356
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C:\Program Files (x86)\System\rutserv.exerutserv.exe /firewall3⤵PID:1568
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C:\Program Files (x86)\System\rutserv.exerutserv.exe /silentinstall3⤵PID:2548
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe1⤵
- Kills process with taskkill
PID:2228
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f1⤵PID:1644
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C:\Windows\SysWOW64\timeout.exetimeout 21⤵
- Delays execution with timeout.exe
PID:2808
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C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"1⤵
- Runs .reg file with regedit
PID:1592
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe1⤵
- Kills process with taskkill
PID:1972
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C:\Users\Admin\AppData\Local\Temp\RarSFX1\proxy.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX1\proxy.exe"1⤵PID:2692
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C:\Users\Admin\AppData\Local\Temp\RarSFX0\proxy.sfx.exeproxy.sfx.exe -pschool1⤵PID:2608
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.bat" "1⤵PID:2060
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C:\Program Files (x86)\System\rfusclient.exe"C:\Program Files (x86)\System\rfusclient.exe" /tray1⤵PID:1932
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C:\Program Files (x86)\System\rfusclient.exe"C:\Program Files (x86)\System\rfusclient.exe"1⤵PID:1348
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C:\Program Files (x86)\System\rfusclient.exe"C:\Program Files (x86)\System\rfusclient.exe" /tray2⤵PID:816
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C:\Program Files (x86)\System\rutserv.exe"C:\Program Files (x86)\System\rutserv.exe"1⤵PID:1396