Analysis
- max time kernel
141s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
05/07/2022, 14:19
Static task
static1
Behavioral task
behavioral1
Sample
lidan.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
lidan.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target lidan.exe
- Size 124KB
- Sample220705-rmt9naaaen
- SHA256 97ead2057976cc989c024fa9ad761549fa57e53b16ca38aeecf3aa70da77c0ea
- MD5 2e1ed9a6411f5457e15eb9962d9badc3
- SHA1 bf803cfd24fe8e890e2bf420a9e27567b878f000
- SHA512 b9d3be71b33b9eea68dd7274e7cb587fa5d59c073f134db147a7d74c357d8f5037a75cfa086c838129ec88a3961061f1e8d95ba00d63ceca5db79674df8cf917
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4860 4364 rundll32.exe 24 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation lidan.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 6 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2384 wrote to memory of 1084 2384 lidan.exe 81 PID 2384 wrote to memory of 1084 2384 lidan.exe 81 PID 2384 wrote to memory of 1084 2384 lidan.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\lidan.exe"C:\Users\Admin\AppData\Local\Temp\lidan.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Users\Admin\AppData\Local\Temp\lidan.exe"C:\Users\Admin\AppData\Local\Temp\lidan.exe" -u2⤵PID:1084
-
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\sqlite.dll",global1⤵
- Process spawned unexpected child process
PID:4860
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\sqlite.dll
- Size 4KB
- SHA256 d16bbd109119e5a0b9da55bb48cdfc500a44b7414ead47b27c4eff64fe7f5fd4
- MD5 c11b80b635ddc0addd834d6981aa5ee5
- SHA1 8ca53e119c4e92b02aec44531875933f0d3b5610
- SHA512 f3d8509651d32463b4ca3cf39e18f8b6d20365c7cd52da692be1a295039869e03ca1e431dda3e8f21e6d1e50b2f9c008c33e2fcfe24dde70e1290a5eb7d44ce3
- SSDEEP 96:1j9jwIjYjUDK/D5DMF+k1HvJADh/pRswrRI9PaQxJbGD:1j9jhjYjIK/Vo+kHRADh/pmwre9ieJGD
- MD5 SHA1 SHA512 SSDEEP