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
03/12/2022, 15:39
Static task
static1
Behavioral task
behavioral1
Sample
aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195.dll
Resource
win10v2004-20221111-en
General
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Target
aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195.dll
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Size
60KB
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MD5
813e6448d3a5d16a775bb6f4e3d72586
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SHA1
8fa2aff5599527e29fdfbdcd20d962b222c35ecd
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SHA256
aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195
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SHA512
43f74fe6e09e106bfe2c0cafaf9364155ca9a4d5f1411caa3602242b971fe7a5ba8a27ce47924942dbc65db6c918b8d915dc4f0fd551fbd088310c0bf1d07696
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SSDEEP
768:+BZX+Nzp4mjNx4Ss4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:+Pdc2inuWdB9r8YXPJY2BmscY
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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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 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\"" rundll32.exe -
Runs .reg file with regedit 1 IoCs
pid Process 1396 regedit.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1016 rundll32.exe 1016 rundll32.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 696 wrote to memory of 1016 696 rundll32.exe 28 PID 696 wrote to memory of 1016 696 rundll32.exe 28 PID 696 wrote to memory of 1016 696 rundll32.exe 28 PID 696 wrote to memory of 1016 696 rundll32.exe 28 PID 696 wrote to memory of 1016 696 rundll32.exe 28 PID 696 wrote to memory of 1016 696 rundll32.exe 28 PID 696 wrote to memory of 1016 696 rundll32.exe 28 PID 1016 wrote to memory of 1968 1016 rundll32.exe 29 PID 1016 wrote to memory of 1968 1016 rundll32.exe 29 PID 1016 wrote to memory of 1968 1016 rundll32.exe 29 PID 1016 wrote to memory of 1968 1016 rundll32.exe 29 PID 1968 wrote to memory of 1396 1968 cmd.exe 31 PID 1968 wrote to memory of 1396 1968 cmd.exe 31 PID 1968 wrote to memory of 1396 1968 cmd.exe 31 PID 1968 wrote to memory of 1396 1968 cmd.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:696 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195.dll,#12⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\a.reg3⤵
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\SysWOW64\regedit.exe"regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"4⤵
- Runs .reg file with regedit
PID:1396
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
152B
MD5b100f5324ef74ded0b998e64d07a2e19
SHA140b0d7f51bf2dd8451f1b723d21355c471a5fa46
SHA2563db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042
SHA512c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04