Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
22-02-2021 11:32
Static task
static1
Behavioral task
behavioral1
Sample
fix.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
fix.exe
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Size
2.1MB
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MD5
e5dca24997147b550e3b4bcaa9ce804b
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SHA1
a9cdf9ea04391ad06fdf686fba432dc093593f67
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SHA256
525d3b180847b425e376157caabbf860b421078903228d919d1e5e0fcce5741c
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SHA512
42451cae7cd3ef5d7a0f8b75de42859d5b71aab92e360b6a7bb8ed51b343f390e77842e5a2a3d72157bfa63af04053c42c0c9cfe6918e1ed2ec4183b1229ef3f
Malware Config
Signatures
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ParallaxRat payload 1 IoCs
Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.
resource yara_rule behavioral1/memory/1636-10-0x0000000000400000-0x0000000000424000-memory.dmp parallax_rat -
Blocklisted process makes network request 64 IoCs
flow pid Process 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe 3 1636 rundll32.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Krita.exe DllHost.exe -
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 21 IoCs
pid Process 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe 2028 fix.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30 PID 2028 wrote to memory of 1636 2028 fix.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\fix.exe"C:\Users\Admin\AppData\Local\Temp\fix.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\rundll32.exe"C:\Users\Admin\AppData\Local\Temp\fix.exe"2⤵
- Blocklisted process makes network request
PID:1636
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}1⤵
- Drops startup file
PID:648