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
18s -
max time network
30s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
23-10-2021 15:52
Static task
static1
Behavioral task
behavioral1
Sample
Fri051e1e7444.exe
Resource
win7-en-20210920
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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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 3 IoCs
pid Process 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 588 kQYSgQbaI1fTU2hDNoPyd5F8.exe 1480 TOOohBs_93T5x4WAmod17EPW.exe -
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-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\International\Geo\Nation Fri051e1e7444.exe -
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.
flow ioc 21 ipinfo.io 22 ipinfo.io -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2728 Fri051e1e7444.exe 2728 Fri051e1e7444.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe 1268 PBKC4FSzUmP9Amt9zM0e30i8.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2728 wrote to memory of 1268 2728 Fri051e1e7444.exe 69 PID 2728 wrote to memory of 1268 2728 Fri051e1e7444.exe 69 PID 2728 wrote to memory of 588 2728 Fri051e1e7444.exe 70 PID 2728 wrote to memory of 588 2728 Fri051e1e7444.exe 70 PID 2728 wrote to memory of 588 2728 Fri051e1e7444.exe 70 PID 2728 wrote to memory of 1480 2728 Fri051e1e7444.exe 71 PID 2728 wrote to memory of 1480 2728 Fri051e1e7444.exe 71
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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Users\Admin\Pictures\Adobe Films\PBKC4FSzUmP9Amt9zM0e30i8.exe"C:\Users\Admin\Pictures\Adobe Films\PBKC4FSzUmP9Amt9zM0e30i8.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1268
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C:\Users\Admin\Pictures\Adobe Films\kQYSgQbaI1fTU2hDNoPyd5F8.exe"C:\Users\Admin\Pictures\Adobe Films\kQYSgQbaI1fTU2hDNoPyd5F8.exe"2⤵
- Executes dropped EXE
PID:588
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C:\Users\Admin\Pictures\Adobe Films\TOOohBs_93T5x4WAmod17EPW.exe"C:\Users\Admin\Pictures\Adobe Films\TOOohBs_93T5x4WAmod17EPW.exe"2⤵
- Executes dropped EXE
PID:1480
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C:\Users\Admin\Pictures\Adobe Films\Us8e0srz63aTs_Cvlt4RfbAD.exe"C:\Users\Admin\Pictures\Adobe Films\Us8e0srz63aTs_Cvlt4RfbAD.exe"2⤵PID:1072
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C:\Users\Admin\Pictures\Adobe Films\Hr1rsTF2JgD8IUzT_IBMiwfa.exe"C:\Users\Admin\Pictures\Adobe Films\Hr1rsTF2JgD8IUzT_IBMiwfa.exe"2⤵PID:1616
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