Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 10:36
General
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Target
urukei.exe
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Size
542KB
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MD5
8900620716dbad59cf00987e758ef03c
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SHA1
ccb2f8f6be07e6a7363aaa76d8d026b8c20e9b89
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SHA256
03088d3dbf6196b7751cdeb6bf158e34f208f5ad9eda977bb27bcf4a5869d0d5
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SHA512
fbc5924d42758b5efe6ccdd899219aa04c3979ff526777717e729e5b491cfc19ec201b5ec8e9d110a193ba6e9a3fecf680d9f3d8d271c30da817de714abb206d
Malware Config
Signatures
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Vidar
Vidar is an infostealer based on Arkei stealer.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses 2FA software files, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\urukei.exe"C:\Users\Admin\AppData\Local\Temp\urukei.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/744-0-0x00000000005DD000-0x00000000005DE000-memory.dmpFilesize
4KB
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memory/744-1-0x0000000001DE0000-0x0000000001DF1000-memory.dmpFilesize
68KB
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memory/2000-2-0x000007FEF6970000-0x000007FEF6BEA000-memory.dmpFilesize
2.5MB