Resubmissions
23-10-2021 15:52
211023-tbkbesdcfm 1022-10-2021 17:40
211022-v8trsscggr 1022-10-2021 15:55
211022-tc9ygacgan 1022-10-2021 14:38
211022-rz1bfabgb8 10Analysis
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max time kernel
30s -
max time network
19s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
23-10-2021 15:52
General
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Target
Fri051e1e7444.exe
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Size
403KB
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MD5
b4c503088928eef0e973a269f66a0dd2
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SHA1
eb7f418b03aa9f21275de0393fcbf0d03b9719d5
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SHA256
2a95ce43c87b8a26be71a459eae796a572422bd99cf0b9a3580a3a68e7dbd1a2
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SHA512
c6fe2e2b5fbf9348701d1721f2b7ac7589b04b0308ae152e3a7186692b14f35e55bc7eed0c94a03031837b6f2b6aa4dc8d094aefce02913f1fbc4dedea452465
Malware Config
Signatures
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Modifies Windows Defender Real-time Protection settings 3 TTPs
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suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin
suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL 1 IoCs
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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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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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Program crash 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Fri051e1e7444.exe"C:\Users\Admin\AppData\Local\Temp\Fri051e1e7444.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Pictures\Adobe Films\Vlw_EMNylw8dm2MFnF7P0D1e.exe"C:\Users\Admin\Pictures\Adobe Films\Vlw_EMNylw8dm2MFnF7P0D1e.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 14002⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
1.3MB
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Filesize
4KB