Analysis
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max time kernel
5s -
max time network
13s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
13-01-2021 09:12
Static task
static1
Behavioral task
behavioral1
Sample
OCOLZ552720.js
Resource
win7v20201028
Behavioral task
behavioral2
Sample
OCOLZ552720.js
Resource
win10v20201028
General
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Target
OCOLZ552720.js
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Size
195KB
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MD5
86f5e65bcc64e04ba7946d8071f213b1
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SHA1
403129cb5514917a278e91e0643f852964912c03
-
SHA256
ba68c2acc5b4ce72444fd74f4dab6661bad90e865b0992d5ff9bb4afe32f3557
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SHA512
8580b921516571a57edcf22de46be1b938167a19278fa1f2eb3de6994198a9d6e3d305f18dfe1ed8e293c2ab0ffb2464a5788756c3be3fd02cb352b5af3d691d
Malware Config
Signatures
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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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Suspicious use of WriteProcessMemory 6 IoCs
Processes:
wscript.exejavaw.exedescription pid process target process PID 1648 wrote to memory of 1308 1648 wscript.exe javaw.exe PID 1648 wrote to memory of 1308 1648 wscript.exe javaw.exe PID 1648 wrote to memory of 1308 1648 wscript.exe javaw.exe PID 1308 wrote to memory of 1728 1308 javaw.exe wscript.exe PID 1308 wrote to memory of 1728 1308 javaw.exe wscript.exe PID 1308 wrote to memory of 1728 1308 javaw.exe wscript.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\OCOLZ552720.js1⤵
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Program Files\Java\jre7\bin\javaw.exe"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\dxwinnw.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\system32\wscript.exewscript C:\Users\Admin\fquimaihdd.js3⤵PID:1728
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
8c8bd4c98378cbfd170cef3fea63ad10
SHA1289800651479f0f5180c2bd85330933cd84d9f55
SHA256e0384f56f6db64896fbc40b41f82e2559abf10880fd618677867c23d45ab003c
SHA51295cb754afd2e61f8849b640c14ee1940667d29f6cf215664c17e3206ad58e236ccea2cc0070f9d2246b92257db5361804053f30f2a9dd25ad39cbc0f0f9bd163