parallax | bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004

Analysis

max time kernel
150s
max time network
134s
platform
windows10_x64
resource
win10v20210408
submitted
28-09-2021 12:02

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General

Target

bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.exe
Size

19.5MB
MD5

2e309f6569ad98bc9dda1178dbcf6296
SHA1

4c07d69e84935842ac2ce9a8ded577f1fc17280c
SHA256

bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004
SHA512

c87bd9836ad2ec45e4192af135d23a5352b3b9331f813902e2f3627a8c913a1afb9c9eb1cb2b8089f236ce971b457a15e15b2c0b41aa5a8aa7cb92d9099f1b81

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
behavioral1/memory/3884-216-0x0000000000400000-0x0000000000424000-memory.dmp	parallax_rat

Executes dropped EXE 2 IoCs

pid	Process
992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp
2716	opera.exe

Loads dropped DLL 1 IoCs

pid	Process
2716	opera.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\opera.job	notepad.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2716	opera.exe
3600	cmd.exe
3600	cmd.exe
3600	cmd.exe
3600	cmd.exe
3600	cmd.exe
3600	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3600	cmd.exe
3600	cmd.exe
3600	cmd.exe
3600	cmd.exe
3600	cmd.exe
3600	cmd.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 992	900	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.exe	68
PID 900 wrote to memory of 992	900	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.exe	68
PID 900 wrote to memory of 992	900	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.exe	68
PID 992 wrote to memory of 376	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	69
PID 992 wrote to memory of 376	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	69
PID 992 wrote to memory of 376	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	69
PID 992 wrote to memory of 1108	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	71
PID 992 wrote to memory of 1108	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	71
PID 992 wrote to memory of 1108	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	71
PID 992 wrote to memory of 1192	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	73
PID 992 wrote to memory of 1192	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	73
PID 992 wrote to memory of 1192	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	73
PID 376 wrote to memory of 1708	376	cmd.exe	75
PID 376 wrote to memory of 1708	376	cmd.exe	75
PID 376 wrote to memory of 1708	376	cmd.exe	75
PID 1192 wrote to memory of 1780	1192	cmd.exe	76
PID 1192 wrote to memory of 1780	1192	cmd.exe	76
PID 1192 wrote to memory of 1780	1192	cmd.exe	76
PID 992 wrote to memory of 1884	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	77
PID 992 wrote to memory of 1884	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	77
PID 992 wrote to memory of 1884	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	77
PID 992 wrote to memory of 2096	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	79
PID 992 wrote to memory of 2096	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	79
PID 992 wrote to memory of 2096	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	79
PID 992 wrote to memory of 2284	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	81
PID 992 wrote to memory of 2284	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	81
PID 992 wrote to memory of 2284	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	81
PID 992 wrote to memory of 2480	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	83
PID 992 wrote to memory of 2480	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	83
PID 992 wrote to memory of 2480	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	83
PID 992 wrote to memory of 2716	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	84
PID 992 wrote to memory of 2716	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	84
PID 992 wrote to memory of 2716	992	bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp	84
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86
PID 2716 wrote to memory of 3600	2716	opera.exe	86

C:\Users\Admin\AppData\Local\Temp\bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.exe
"C:\Users\Admin\AppData\Local\Temp\bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Users\Admin\AppData\Local\Temp\is-K836E.tmp\bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-K836E.tmp\bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.tmp" /SL5="$50056,19610817,831488,C:\Users\Admin\AppData\Local\Temp\bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:992
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C mountvol P: /D
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:376
  - - C:\Windows\SysWOW64\mountvol.exe
      mountvol P: /D
      4⤵
      Enumerates connected drives
      PID:1708
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C bcdedit /set {bootmgr} path \EFI\Boot\bareflank.efi
    3⤵
    PID:1108
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C setx /m PATH "%PATH%C:\Users\Admin\AppData\Local\Temp\is-UJ10V.tmp"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1192
  - - 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-UJ10V.tmp"
      4⤵
      PID:1780
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-UJ10V.tmp\devcon.exe" remove "ROOT\bareflank""
    3⤵
    PID:1884
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-UJ10V.tmp\devcon.exe" install "C:\Users\Admin\AppData\Local\Temp\is-UJ10V.tmp\bareflank.inf" "ROOT\bareflank""
    3⤵
    PID:2096
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-UJ10V.tmp\devcon.exe" remove "ROOT\bfbuilder""
    3⤵
    PID:2284
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-UJ10V.tmp\devcon.exe" install "C:\Users\Admin\AppData\Local\Temp\is-UJ10V.tmp\bfbuilder.inf" "ROOT\bfbuilder""
    3⤵
    PID:2480
- - C:\Users\Admin\AppData\Roaming\opera.exe
    "C:\Users\Admin\AppData\Roaming\opera.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      PID:3600
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        
        PID:1884
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        
        PID:2444
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        
        PID:716
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        
        PID:2480
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        
        PID:4052
    - - C:\Windows\SysWOW64\notepad.exe
        
        "C:\Windows\system32\notepad.exe"
        5⤵
        Drops file in Windows directory
        
        PID:3884

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/900-115-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/992-118-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/3600-144-0x0000000002FC0000-0x0000000002FC2000-memory.dmp

Filesize
8KB

Download
memory/3600-136-0x00000000770D9000-0x00000000770D9005-memory.dmp

Filesize
5B

Download
memory/3600-157-0x00000000032F0000-0x00000000032F8000-memory.dmp

Filesize
32KB

Download
memory/3600-158-0x00007FFAEC5A0000-0x00007FFAEC77B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-190-0x00007FFAEC5A0000-0x00007FFAEC77B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-195-0x0000000002760000-0x0000000002769000-memory.dmp

Filesize
36KB

Download
memory/3884-196-0x00007FFAEC5A1000-0x00007FFAEC6AE7A3-memory.dmp

Filesize
1.1MB

Download
memory/3884-216-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download