Analysis
- max time kernel
148s - max time network
84s - platform
windows10_x64 - resource
win10v20210408 - submitted
26/05/2021, 16:59
Static task
static1
Behavioral task
behavioral1
Sample
7026b11c2f3116904b38e03a0b0ed706.exe
Resource
win7v20210408
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
7026b11c2f3116904b38e03a0b0ed706.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target 7026b11c2f3116904b38e03a0b0ed706.exe
- Size 843KB
- Sample210526-n28jas54fa
- SHA256 4d54efae853bb657096c19ccab822849250af7a4051e60e3a1d44d0fb7f6502e
- MD5 7026b11c2f3116904b38e03a0b0ed706
- SHA1 af7cf8f0cf541dbb8105b72bbc9d68f00440ee55
- SHA512 236a4cfbf8cef7e05d66c64736de4e75832a54da1f819e2781d075fd02219b7a985e4ec66605d2d87e1401e09f54d568654d491bb1f76d148a9f7a57abdc44c5
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3868 7026b11c2f3116904b38e03a0b0ed706.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 2404 icacls.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\f66a0617-d251-4cc5-8994-d9b712495d8e\\7026b11c2f3116904b38e03a0b0ed706.exe\" --AutoStart" 7026b11c2f3116904b38e03a0b0ed706.exe - 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 8 api.2ip.ua 13 api.2ip.ua - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4068 set thread context of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 1392 set thread context of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3980 7026b11c2f3116904b38e03a0b0ed706.exe 3980 7026b11c2f3116904b38e03a0b0ed706.exe 2704 7026b11c2f3116904b38e03a0b0ed706.exe 2704 7026b11c2f3116904b38e03a0b0ed706.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 4068 wrote to memory of 3980 4068 7026b11c2f3116904b38e03a0b0ed706.exe 77 PID 3980 wrote to memory of 2404 3980 7026b11c2f3116904b38e03a0b0ed706.exe 79 PID 3980 wrote to memory of 2404 3980 7026b11c2f3116904b38e03a0b0ed706.exe 79 PID 3980 wrote to memory of 2404 3980 7026b11c2f3116904b38e03a0b0ed706.exe 79 PID 3980 wrote to memory of 1392 3980 7026b11c2f3116904b38e03a0b0ed706.exe 80 PID 3980 wrote to memory of 1392 3980 7026b11c2f3116904b38e03a0b0ed706.exe 80 PID 3980 wrote to memory of 1392 3980 7026b11c2f3116904b38e03a0b0ed706.exe 80 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82 PID 1392 wrote to memory of 2704 1392 7026b11c2f3116904b38e03a0b0ed706.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\7026b11c2f3116904b38e03a0b0ed706.exe"C:\Users\Admin\AppData\Local\Temp\7026b11c2f3116904b38e03a0b0ed706.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4068 -
C:\Users\Admin\AppData\Local\Temp\7026b11c2f3116904b38e03a0b0ed706.exe"C:\Users\Admin\AppData\Local\Temp\7026b11c2f3116904b38e03a0b0ed706.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3980 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\f66a0617-d251-4cc5-8994-d9b712495d8e" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:2404
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C:\Users\Admin\AppData\Local\Temp\7026b11c2f3116904b38e03a0b0ed706.exe"C:\Users\Admin\AppData\Local\Temp\7026b11c2f3116904b38e03a0b0ed706.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Local\Temp\7026b11c2f3116904b38e03a0b0ed706.exe"C:\Users\Admin\AppData\Local\Temp\7026b11c2f3116904b38e03a0b0ed706.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2704
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C:\Users\Admin\AppData\Local\f66a0617-d251-4cc5-8994-d9b712495d8e\7026b11c2f3116904b38e03a0b0ed706.exeC:\Users\Admin\AppData\Local\f66a0617-d251-4cc5-8994-d9b712495d8e\7026b11c2f3116904b38e03a0b0ed706.exe --Task1⤵
- Executes dropped EXE
PID:3868