Analysis
- max time kernel
55s - max time network
51s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
15/01/2023, 14:33
Static task
static1
Behavioral task
behavioral1
Sample
0b58bcd32bc93b428e389f8976665749.exe
Resource
win7-20220901-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
0b58bcd32bc93b428e389f8976665749.exe
Resource
win10v2004-20221111-en
6 signatures
150 seconds
General
- Target 0b58bcd32bc93b428e389f8976665749.exe
- Size 5.7MB
- Sample230115-rwvxjsfh97
- SHA256 804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542
- MD5 0b58bcd32bc93b428e389f8976665749
- SHA1 8e7d64a9d31d71ca9048cb1a52893ab763869153
- SHA512 fb8aadc29d76a0b03b417560b885c90767752dc7d8c3fc289bc76f14d54240c90d0779ee2ca1846cf69750085896cfa6711e4bcc5bdacab024df7b4a59255a2f
- SSDEEP 98304:I0LLudgk03bPi/IIZKySE89KUXPf8L5gaXjelb4e+LfvfyW8A/:I0cg53b6/ImKRHnoKHl/2d
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1300 WindowsPaint-Ver3.8.7.2.exe - Loads dropped DLL 2 IoCs
pid Process 1224 taskeng.exe 1224 taskeng.exe - Modifies file permissions 1 TTPs 3 IoCs
pid Process 1528 icacls.exe 596 icacls.exe 532 icacls.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1036 schtasks.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1252 wrote to memory of 1036 1252 0b58bcd32bc93b428e389f8976665749.exe 27 PID 1252 wrote to memory of 1036 1252 0b58bcd32bc93b428e389f8976665749.exe 27 PID 1252 wrote to memory of 1036 1252 0b58bcd32bc93b428e389f8976665749.exe 27 PID 1252 wrote to memory of 1528 1252 0b58bcd32bc93b428e389f8976665749.exe 29 PID 1252 wrote to memory of 1528 1252 0b58bcd32bc93b428e389f8976665749.exe 29 PID 1252 wrote to memory of 1528 1252 0b58bcd32bc93b428e389f8976665749.exe 29 PID 1252 wrote to memory of 596 1252 0b58bcd32bc93b428e389f8976665749.exe 31 PID 1252 wrote to memory of 596 1252 0b58bcd32bc93b428e389f8976665749.exe 31 PID 1252 wrote to memory of 596 1252 0b58bcd32bc93b428e389f8976665749.exe 31 PID 1252 wrote to memory of 532 1252 0b58bcd32bc93b428e389f8976665749.exe 34 PID 1252 wrote to memory of 532 1252 0b58bcd32bc93b428e389f8976665749.exe 34 PID 1252 wrote to memory of 532 1252 0b58bcd32bc93b428e389f8976665749.exe 34 PID 1224 wrote to memory of 1300 1224 taskeng.exe 36 PID 1224 wrote to memory of 1300 1224 taskeng.exe 36 PID 1224 wrote to memory of 1300 1224 taskeng.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\0b58bcd32bc93b428e389f8976665749.exe"C:\Users\Admin\AppData\Local\Temp\0b58bcd32bc93b428e389f8976665749.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /CREATE /TN "Windows\IntelComputingTooIklt\IntelPaint3.8.7.2." /TR "C:\ProgramData\MsiBoostSasum\WindowsPaint-Ver3.8.7.2.exe" /SC MINUTE2⤵
- Creates scheduled task(s)
PID:1036
-
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C:\Windows\System32\icacls.exe"C:\Windows\System32\icacls.exe" "C:\ProgramData\MsiBoostSasum" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"2⤵
- Modifies file permissions
PID:1528
-
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C:\Windows\System32\icacls.exe"C:\Windows\System32\icacls.exe" "C:\ProgramData\MsiBoostSasum" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"2⤵
- Modifies file permissions
PID:596
-
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C:\Windows\System32\icacls.exe"C:\Windows\System32\icacls.exe" "C:\ProgramData\MsiBoostSasum" /inheritance:e /deny "admin:(R,REA,RA,RD)"2⤵
- Modifies file permissions
PID:532
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C:\Windows\system32\taskeng.exetaskeng.exe {A2E7C844-B589-43EE-9420-D1CFC30B60C9} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\ProgramData\MsiBoostSasum\WindowsPaint-Ver3.8.7.2.exeC:\ProgramData\MsiBoostSasum\WindowsPaint-Ver3.8.7.2.exe2⤵
- Executes dropped EXE
PID:1300
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\ProgramData\MsiBoostSasum\WindowsPaint-Ver3.8.7.2.exe
- Size 596.3MB
- SHA256 72b84c2df4988c38ce4b90dfe6c52e245756ff90b02e45a3213b62d4fce96dde
- MD5 38cf4617a206fb1c1ada1a61f2178a8e
- SHA1 d09ff5e964bcd61d432af9cadd8dedbd80de58ee
- SHA512 2feefb9b0c4670662fee7c8604d4a743ed059223ff78fdac1bba7a9aa4574ecbd6f9efe98fe3a92b0cfa282c6c1aa5f636aff0475e47fcca0b4ed6c26c4913b2
- SSDEEP 98304:I0LLudgk03bPi/IIZKySE89KUXPf8L5gaXjelb4e+LfvfyW8A/O:I0cg53b6/ImKRHnoKHl/2dm
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\MsiBoostSasum\WindowsPaint-Ver3.8.7.2.exe
- Size 366.4MB
- SHA256 b58a814bfca573ad5843cc9f7441d801b0849c21eff88b29213767ffe773ca91
- MD5 b190e91a500456b067b65161a15bf424
- SHA1 3ff2573b9a923d49acc1514e6132ef3a600d68bf
- SHA512 793454365a51770681ad82fb6e066d8bb8601ae3f6f4ff0bd6d96f9c811c653c97fc1e1072b16e9856984b3c003fac7da42844d466b6b788ce417fdfd5328d8a
- SSDEEP 98304:I0LLudgk03bPi/IIZKySE89KUXPf8L5gaXjelb4e+LfvfyW8A/O:I0cg53b6/ImKRHnoKHl/2dm
- MD5 SHA1 SHA512 SSDEEP
- Path \ProgramData\MsiBoostSasum\WindowsPaint-Ver3.8.7.2.exe
- Size 407.4MB
- SHA256 e103dbba27de73084c540bd0325353d7a73df16972dd35c5517e294d8a4c9ae9
- MD5 75f68054476896f77034116b91139da5
- SHA1 8ea5fa7fdbdd22eaeddaae89097511873858a8ed
- SHA512 fd2547ee74f86d193cf0303b786187bdb6b4a40b853e0fcbb9cb409a633dff6ab18e466042a52c722e099d1d9fa52f399129a9421acec2147ac6354fd268625f
- SSDEEP 98304:I0LLudgk03bPi/IIZKySE89KUXPf8L5gaXjelb4e+LfvfyW8A/a:I0cg53b6/ImKRHnoKHl/2dy
- MD5 SHA1 SHA512 SSDEEP
- Path \ProgramData\MsiBoostSasum\WindowsPaint-Ver3.8.7.2.exe
- Size 417.6MB
- SHA256 6deee387c4176037c66373bf4a66ee98376f650231be694b596a8e04d7658b92
- MD5 aec908651b799facba9ca531c2f422ae
- SHA1 4f9d941d8512e887ed9d55d0e045e251ef7a8664
- SHA512 030b3464ff8aec5c5430745964db9920863f632f187850447a728dddd8528c021efb3a24660af874a7847f1c9334d3f5d210a4e88af79be5fdf240a1a1eb39bb
- SSDEEP 98304:I0LLudgk03bPi/IIZKySE89KUXPf8L5gaXjelb4e+LfvfyW8A/O:I0cg53b6/ImKRHnoKHl/2dm
- MD5 SHA1 SHA512 SSDEEP