parallax | 4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2

Analysis

max time kernel
122s
max time network
146s
platform
windows10_x64
resource
win10-en-20211104
submitted
16/11/2021, 11:55

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General

Target
4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.exe
Size 2.1MB
Sample211116-n3f57aaffm
SHA256 4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2
MD5 fe4cf3c47ab7cd452897f4c238e89fd5
SHA1 85b9f90278ef9404e274a09b839385e71ca87063
SHA512 129a7c0b881893387477ee92a59f2d6efd1aed1eb36f0284109ffa9a01a2d45be1cd2f2d9543c037e5c746729f7ae8a1da1ca8478f99bb5a12eedeec83277485
MD5 SHA1 SHA512

Score

10^/10

parallax rat spyware stealer suricata

Malware Config

Signatures

ParallaxRat
ParallaxRat is a multipurpose RAT written in MASM.
rat parallax

ParallaxRat payload 1 IoCs

Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.

resource	yara_rule
behavioral2/memory/3668-207-0x0000000000400000-0x0000000000426000-memory.dmp	parallax_rat

suricata: ET MALWARE Parallax CnC Response Activity M16
suricata: ET MALWARE Parallax CnC Response Activity M16
suricata

Blocklisted process makes network request 1 IoCs

flow	pid	Process
30	3668	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp
2880	wsqmcons.exe

Loads dropped DLL 1 IoCs

pid	Process
2880	wsqmcons.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\P:	mountvol.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2880	wsqmcons.exe
892	cmd.exe
892	cmd.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
892	cmd.exe
892	cmd.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 1656	2288	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.exe	68
PID 2288 wrote to memory of 1656	2288	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.exe	68
PID 2288 wrote to memory of 1656	2288	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.exe	68
PID 1656 wrote to memory of 2448	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	69
PID 1656 wrote to memory of 2448	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	69
PID 1656 wrote to memory of 2448	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	69
PID 1656 wrote to memory of 508	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	70
PID 1656 wrote to memory of 508	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	70
PID 1656 wrote to memory of 508	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	70
PID 1656 wrote to memory of 1272	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	73
PID 1656 wrote to memory of 1272	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	73
PID 1656 wrote to memory of 1272	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	73
PID 1272 wrote to memory of 748	1272	cmd.exe	76
PID 1272 wrote to memory of 748	1272	cmd.exe	76
PID 1272 wrote to memory of 748	1272	cmd.exe	76
PID 2448 wrote to memory of 740	2448	cmd.exe	75
PID 2448 wrote to memory of 740	2448	cmd.exe	75
PID 2448 wrote to memory of 740	2448	cmd.exe	75
PID 1656 wrote to memory of 1516	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	77
PID 1656 wrote to memory of 1516	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	77
PID 1656 wrote to memory of 1516	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	77
PID 1656 wrote to memory of 3968	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	78
PID 1656 wrote to memory of 3968	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	78
PID 1656 wrote to memory of 3968	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	78
PID 1656 wrote to memory of 3468	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	81
PID 1656 wrote to memory of 3468	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	81
PID 1656 wrote to memory of 3468	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	81
PID 1656 wrote to memory of 1188	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	82
PID 1656 wrote to memory of 1188	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	82
PID 1656 wrote to memory of 1188	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	82
PID 1656 wrote to memory of 2880	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	84
PID 1656 wrote to memory of 2880	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	84
PID 1656 wrote to memory of 2880	1656	4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp	84
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86
PID 2880 wrote to memory of 892	2880	wsqmcons.exe	86

C:\Users\Admin\AppData\Local\Temp\4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.exe
"C:\Users\Admin\AppData\Local\Temp\4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\is-OP4DS.tmp\4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-OP4DS.tmp\4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.tmp" /SL5="$30052,1397605,831488,C:\Users\Admin\AppData\Local\Temp\4f74803791d37f2d626b63e9a3618f28cbb07537760a931a78bf755965e9c2f2.bin.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C mountvol P: /D
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2448
  - - C:\Windows\SysWOW64\mountvol.exe
      mountvol P: /D
      4⤵
      Enumerates connected drives
      PID:740
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C bcdedit /set {bootmgr} path \EFI\Boot\bareflank.efi
    3⤵
    PID:508
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C setx /m PATH "%PATH%C:\Users\Admin\AppData\Local\Temp\is-36DKN.tmp"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1272
  - - C:\Windows\SysWOW64\setx.exe
      setx /m PATH "C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Users\Admin\AppData\Local\Microsoft\WindowsApps;C:\Users\Admin\AppData\Local\Temp\is-36DKN.tmp"
      4⤵
      PID:748
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-36DKN.tmp\devcon.exe" remove "ROOT\bareflank""
    3⤵
    PID:1516
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-36DKN.tmp\devcon.exe" install "C:\Users\Admin\AppData\Local\Temp\is-36DKN.tmp\bareflank.inf" "ROOT\bareflank""
    3⤵
    PID:3968
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-36DKN.tmp\devcon.exe" remove "ROOT\bfbuilder""
    3⤵
    PID:3468
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-36DKN.tmp\devcon.exe" install "C:\Users\Admin\AppData\Local\Temp\is-36DKN.tmp\bfbuilder.inf" "ROOT\bfbuilder""
    3⤵
    PID:1188
- - C:\Users\Admin\AppData\Roaming\wsqmcons.exe
    "C:\Users\Admin\AppData\Roaming\wsqmcons.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2880
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      PID:892
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        
        PID:3224
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        Blocklisted process makes network request
        
        PID:3668

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/892-163-0x0000000002770000-0x0000000002778000-memory.dmp

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memory/892-164-0x00007FF8B5840000-0x00007FF8B5A1B000-memory.dmp

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memory/892-146-0x0000000002330000-0x0000000002332000-memory.dmp

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memory/892-142-0x0000000077309000-0x000000007730A000-memory.dmp

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memory/1656-129-0x0000000002770000-0x0000000002771000-memory.dmp

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memory/2288-122-0x0000000000400000-0x00000000004D8000-memory.dmp

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memory/2880-139-0x0000000000FDE000-0x0000000000FE9000-memory.dmp

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memory/3668-176-0x0000000002D70000-0x0000000002D71000-memory.dmp

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memory/3668-178-0x0000000002D70000-0x0000000002D71000-memory.dmp

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memory/3668-181-0x00000000032B0000-0x00000000032B9000-memory.dmp

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memory/3668-182-0x00007FF8B5840000-0x00007FF8B5A1B000-memory.dmp

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memory/3668-207-0x0000000000400000-0x0000000000426000-memory.dmp

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