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Analysis
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max time kernel
41s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 18:23
Behavioral task
behavioral1
Sample
c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe
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Size
28KB
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MD5
b5ab26bfcdb6593eadb70c5d56a42a99
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SHA1
2ce2ca038845e7ad785e2be5998345509d7e7495
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SHA256
c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3
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SHA512
9376921244b8ea367b87b0b254071f0845d3e7b9236582ce13d8ba451f383569f40c7a8579301e5d36e3a19eeff4b8a2839846171f2cb8d7c67f1e96d0215666
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SSDEEP
768:kKTgr5vJB45jYJyVhfpd++pCeS/TKvYm8gld7Ff:k8yvn45ZD3pCzTKB/Bf
Score
9/10
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000b000000012315-55.dat acprotect -
resource yara_rule behavioral1/files/0x000b000000012315-55.dat upx behavioral1/memory/1976-56-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/1976-57-0x0000000010000000-0x0000000010013000-memory.dmp upx behavioral1/memory/1976-59-0x0000000010000000-0x0000000010013000-memory.dmp upx -
Deletes itself 1 IoCs
pid Process 972 cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\EN7hzSreCat8.dll c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe File created C:\Windows\SysWOW64\comres.dll c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\fOnts\R6WhWBmZsEdPZDjQP.Ttf c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 7 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLsID\{FCA4D3BE-C6C7-4F4D-9CBD-CB2666647ACA}\InprocServer32 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLsID c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCA4D3BE-C6C7-4F4D-9CBD-CB2666647ACA} c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCA4D3BE-C6C7-4F4D-9CBD-CB2666647ACA}\InprocServer32 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCA4D3BE-C6C7-4F4D-9CBD-CB2666647ACA}\InprocServer32\ = "C:\\Windows\\SysWow64\\EN7hzSreCat8.dll" c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCA4D3BE-C6C7-4F4D-9CBD-CB2666647ACA}\InprocServer32\ThreadingModel = "Apartment" c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe Token: SeDebugPrivilege 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1976 wrote to memory of 972 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe 28 PID 1976 wrote to memory of 972 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe 28 PID 1976 wrote to memory of 972 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe 28 PID 1976 wrote to memory of 972 1976 c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe"C:\Users\Admin\AppData\Local\Temp\c26f391d9ecdf9399637a7f4d3a443404167bb2623ed0273cbe7ba05d90ddfc3.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C26F39~1.EXE >> NUL2⤵
- Deletes itself
PID:972
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
221KB
MD58eff27684cf5225720a48d22665eebdb
SHA152efcffe9bac095fb1771bb56b5041b0aab9cfd8
SHA256dc90eaf1a0751abe895e612fab169354ac3cba0f0b84e0683d4b30292352b0e6
SHA5128b3cc93254ccfdd9033a5070e303475f805dadbbd2a9fe9331e808df21384c78dace11401f075d46c0394d6bb34f8f07089eecc8e9780e82a023ca362fad8feb