parallax | 3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc

Resubmissions

08-11-2021 13:19

211108-qkhmeacba6 10

Analysis

max time kernel
150s
max time network
153s
platform
windows10_x64
resource
win10-en-20211014
submitted
08-11-2021 13:19

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General

Target

3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.exe
Size

3.3MB
MD5

281277343c24ce9611314044e5df610c
SHA1

d531e047d55bc162b3e338aed504c9eff77fde80
SHA256

3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc
SHA512

a7e4823e343c7a2f68a67be920edc6209ca441d9ece19339049faf44173d7c252b2928d599b12a8b6d6246149e40910c3f9e6bf045a5b7e4971c705885dc6de9

Score

10^/10

parallax rat spyware stealer

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/2600-199-0x0000000000400000-0x0000000000426000-memory.dmp	parallax_rat

Executes dropped EXE 2 IoCs

pid	Process
3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp
1608	wsqmcons.exe

Loads dropped DLL 1 IoCs

pid	Process
1608	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

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\wsqmcons.job	nslookup.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1608	wsqmcons.exe
1712	cmd.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1712	cmd.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 3284	2800	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.exe	68
PID 2800 wrote to memory of 3284	2800	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.exe	68
PID 2800 wrote to memory of 3284	2800	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.exe	68
PID 3284 wrote to memory of 1788	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	69
PID 3284 wrote to memory of 1788	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	69
PID 3284 wrote to memory of 1788	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	69
PID 3284 wrote to memory of 356	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	70
PID 3284 wrote to memory of 356	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	70
PID 3284 wrote to memory of 356	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	70
PID 3284 wrote to memory of 1912	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	74
PID 3284 wrote to memory of 1912	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	74
PID 3284 wrote to memory of 1912	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	74
PID 1912 wrote to memory of 628	1912	cmd.exe	75
PID 1912 wrote to memory of 628	1912	cmd.exe	75
PID 1912 wrote to memory of 628	1912	cmd.exe	75
PID 1788 wrote to memory of 1216	1788	cmd.exe	76
PID 1788 wrote to memory of 1216	1788	cmd.exe	76
PID 1788 wrote to memory of 1216	1788	cmd.exe	76
PID 3284 wrote to memory of 2208	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	77
PID 3284 wrote to memory of 2208	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	77
PID 3284 wrote to memory of 2208	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	77
PID 3284 wrote to memory of 2392	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	79
PID 3284 wrote to memory of 2392	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	79
PID 3284 wrote to memory of 2392	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	79
PID 3284 wrote to memory of 3532	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	81
PID 3284 wrote to memory of 3532	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	81
PID 3284 wrote to memory of 3532	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	81
PID 3284 wrote to memory of 652	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	83
PID 3284 wrote to memory of 652	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	83
PID 3284 wrote to memory of 652	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	83
PID 3284 wrote to memory of 1608	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	84
PID 3284 wrote to memory of 1608	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	84
PID 3284 wrote to memory of 1608	3284	3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp	84
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86
PID 1608 wrote to memory of 1712	1608	wsqmcons.exe	86

C:\Users\Admin\AppData\Local\Temp\3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.exe
"C:\Users\Admin\AppData\Local\Temp\3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Local\Temp\is-I9VPN.tmp\3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-I9VPN.tmp\3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.tmp" /SL5="$601DC,2608321,831488,C:\Users\Admin\AppData\Local\Temp\3800cfc1779229230276e658dc437da44c074712247a23ef3a0543daf86505dc.bin.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3284
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C mountvol P: /D
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1788
  - - C:\Windows\SysWOW64\mountvol.exe
      mountvol P: /D
      4⤵
      Enumerates connected drives
      PID:1216
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C bcdedit /set {bootmgr} path \EFI\Boot\bareflank.efi
    3⤵
    PID:356
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C setx /m PATH "%PATH%C:\Users\Admin\AppData\Local\Temp\is-NJ7IC.tmp"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1912
  - - 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-NJ7IC.tmp"
      4⤵
      PID:628
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-NJ7IC.tmp\devcon.exe" remove "ROOT\bareflank""
    3⤵
    PID:2208
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-NJ7IC.tmp\devcon.exe" install "C:\Users\Admin\AppData\Local\Temp\is-NJ7IC.tmp\bareflank.inf" "ROOT\bareflank""
    3⤵
    PID:2392
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-NJ7IC.tmp\devcon.exe" remove "ROOT\bfbuilder""
    3⤵
    PID:3532
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-NJ7IC.tmp\devcon.exe" install "C:\Users\Admin\AppData\Local\Temp\is-NJ7IC.tmp\bfbuilder.inf" "ROOT\bfbuilder""
    3⤵
    PID:652
- - 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:1608
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      PID:1712
    - - C:\Windows\SysWOW64\nslookup.exe
        
        "C:\Windows\system32\nslookup.exe"
        5⤵
        Drops file in Windows directory
        
        PID:2600

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/1608-136-0x000000000041E000-0x0000000000428000-memory.dmp

Filesize
40KB

Download
memory/1712-161-0x00007FFAAAE70000-0x00007FFAAB04B000-memory.dmp

Filesize
1.9MB

Download
memory/1712-160-0x0000000003390000-0x0000000003398000-memory.dmp

Filesize
32KB

Download
memory/1712-147-0x0000000003030000-0x0000000003032000-memory.dmp

Filesize
8KB

Download
memory/1712-139-0x00000000771F9000-0x00000000771FA000-memory.dmp

Filesize
4KB

Download
memory/2600-169-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2600-168-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2600-173-0x0000000000550000-0x0000000000559000-memory.dmp

Filesize
36KB

Download
memory/2600-174-0x00007FFAAAE70000-0x00007FFAAB04B000-memory.dmp

Filesize
1.9MB

Download
memory/2600-199-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2800-119-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3284-120-0x0000000000800000-0x000000000094A000-memory.dmp

Filesize
1.3MB

Download