Analysis
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max time kernel
153s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
24-05-2022 23:42
Static task
static1
Behavioral task
behavioral1
Sample
a5ec2f495c117f199e1cecc1e2c9e5ad7f4f8241eb0784bb82da89c5ac88778b.dll
Resource
win7-20220414-en
General
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Target
a5ec2f495c117f199e1cecc1e2c9e5ad7f4f8241eb0784bb82da89c5ac88778b.dll
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Size
395KB
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MD5
f00a09d9a91de170a986d743da8a912b
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SHA1
797e0c4bc66a9ce9598bd99b8c30340d42de71b7
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SHA256
a5ec2f495c117f199e1cecc1e2c9e5ad7f4f8241eb0784bb82da89c5ac88778b
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SHA512
ac36017e3d6b61332a983e5de1f20ef137c6127f90c6102c0a033a80fb7c4838e1eeb841615afe6226c4e4dee8aee38659d4df94d41a8fe14238d092f12e91ae
Malware Config
Extracted
zloader
July20SSL
July20SSL
https://vlcafxbdjtlvlcduwhga.com/web/post.php
https://softwareserviceupdater3.com/web/post.php
https://softwareserviceupdater4.com/web/post.php
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build_id
18
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 1968 created 3304 1968 rundll32.exe Explorer.EXE -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 1968 set thread context of 3920 1968 rundll32.exe msiexec.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 1968 rundll32.exe 1968 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 1968 rundll32.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1572 wrote to memory of 1968 1572 rundll32.exe rundll32.exe PID 1572 wrote to memory of 1968 1572 rundll32.exe rundll32.exe PID 1572 wrote to memory of 1968 1572 rundll32.exe rundll32.exe PID 1968 wrote to memory of 3920 1968 rundll32.exe msiexec.exe PID 1968 wrote to memory of 3920 1968 rundll32.exe msiexec.exe PID 1968 wrote to memory of 3920 1968 rundll32.exe msiexec.exe PID 1968 wrote to memory of 3920 1968 rundll32.exe msiexec.exe PID 1968 wrote to memory of 3920 1968 rundll32.exe msiexec.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a5ec2f495c117f199e1cecc1e2c9e5ad7f4f8241eb0784bb82da89c5ac88778b.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a5ec2f495c117f199e1cecc1e2c9e5ad7f4f8241eb0784bb82da89c5ac88778b.dll,#13⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\msiexec.exemsiexec.exe2⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1968-130-0x0000000000000000-mapping.dmp
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memory/1968-131-0x0000000010000000-0x000000001002B000-memory.dmpFilesize
172KB
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memory/1968-132-0x0000000010000000-0x0000000010073000-memory.dmpFilesize
460KB
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memory/1968-133-0x0000000010000000-0x0000000010073000-memory.dmpFilesize
460KB
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memory/3920-134-0x0000000000000000-mapping.dmp
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memory/3920-135-0x0000000000B80000-0x0000000000BAB000-memory.dmpFilesize
172KB
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memory/3920-136-0x0000000000B80000-0x0000000000BAB000-memory.dmpFilesize
172KB