parallax | 418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d

Analysis

max time kernel
132s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 21:11

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General

Target

418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe
Size

1.8MB
MD5

6ce823abf08804817553fb0d2b9a00fb
SHA1

cc5633d752e27f6179448bb3f8fb855d547e11c0
SHA256

418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d
SHA512

cdb32028fc5320103fc81874a2ff475c56338bf3c933435dcb4ea852279cf32c5c4f43736964fb365c65714e83967b5073b76d603d3b26f27369947d0cc327e4

Score

10^/10

parallax rat

Malware Config

Signatures

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

ParallaxRat payload 2 IoCs

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

resource	yara_rule
behavioral2/memory/4320-150-0x0000000004AB0000-0x0000000004AE6000-memory.dmp	parallax_rat
behavioral2/memory/1636-164-0x0000000000400000-0x000000000042B000-memory.dmp	parallax_rat

Blocklisted process makes network request 4 IoCs

flow	pid	Process
39	1636	cmd.exe
39	1636	cmd.exe
39	1636	cmd.exe
39	1636	cmd.exe

Executes dropped EXE 4 IoCs

pid	Process
2344	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp
2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp
2660	MasterDrive.exe
2036	atikmdag-patcher.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\lsm.job	cmd.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 6 IoCs

pid	Process
2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp
2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp
2660	MasterDrive.exe
4320	mstsc.exe
4320	mstsc.exe
4320	mstsc.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4320	mstsc.exe
4320	mstsc.exe
4320	mstsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2344	2468	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe	77
PID 2468 wrote to memory of 2344	2468	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe	77
PID 2468 wrote to memory of 2344	2468	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe	77
PID 2344 wrote to memory of 3520	2344	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp	78
PID 2344 wrote to memory of 3520	2344	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp	78
PID 2344 wrote to memory of 3520	2344	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp	78
PID 3520 wrote to memory of 2608	3520	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe	79
PID 3520 wrote to memory of 2608	3520	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe	79
PID 3520 wrote to memory of 2608	3520	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe	79
PID 2608 wrote to memory of 2660	2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp	80
PID 2608 wrote to memory of 2660	2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp	80
PID 2608 wrote to memory of 2660	2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp	80
PID 2608 wrote to memory of 2036	2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp	81
PID 2608 wrote to memory of 2036	2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp	81
PID 2608 wrote to memory of 2036	2608	418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp	81
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84
PID 2660 wrote to memory of 4320	2660	MasterDrive.exe	84

C:\Users\Admin\AppData\Local\Temp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe
"C:\Users\Admin\AppData\Local\Temp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Users\Admin\AppData\Local\Temp\is-6IOV4.tmp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-6IOV4.tmp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp" /SL5="$90058,1181168,740864,C:\Users\Admin\AppData\Local\Temp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Users\Admin\AppData\Local\Temp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe
    "C:\Users\Admin\AppData\Local\Temp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe" /VERYSILENT
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3520
  - - C:\Users\Admin\AppData\Local\Temp\is-MQSVV.tmp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MQSVV.tmp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp" /SL5="$801DC,1181168,740864,C:\Users\Admin\AppData\Local\Temp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.exe" /VERYSILENT
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2608
    - - C:\Users\Admin\AppData\Local\Temp\MasterDrive.exe
        
        "C:\Users\Admin\AppData\Local\Temp\MasterDrive.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2660
      - C:\Windows\SysWOW64\mstsc.exe
        
        "C:\Windows\system32\mstsc.exe"
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        
        PID:4320
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        7⤵
        
        PID:4800
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        7⤵
        
        PID:1840
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        7⤵
        Blocklisted process makes network request
        Drops file in Windows directory
        
        PID:1636
    - - C:\Users\Admin\AppData\Local\Temp\atikmdag-patcher.exe
        
        "C:\Users\Admin\AppData\Local\Temp\atikmdag-patcher.exe"
        5⤵
        Executes dropped EXE
        
        PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MasterDrive.exe

Filesize
1020KB

MD5
c9eaffd90d45b526adac135a898844a5

SHA1
bd297848d85bf68299741c15ddf4a44486c549b4

SHA256
160da6fae97c7b54a2c1f0d55ce76399f689e98ed7228d4d9205aebb63ad4480

SHA512
12f86cd14c7d5652eaa18dd250802ad1f1210ee025857817dfea2cb7d2d146655d261ceccc0dcc60f19053b7e06424e6f563ecd488a72a95d0e7ed22e9b230b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\MasterDrive.exe

Filesize
1020KB

MD5
c9eaffd90d45b526adac135a898844a5

SHA1
bd297848d85bf68299741c15ddf4a44486c549b4

SHA256
160da6fae97c7b54a2c1f0d55ce76399f689e98ed7228d4d9205aebb63ad4480

SHA512
12f86cd14c7d5652eaa18dd250802ad1f1210ee025857817dfea2cb7d2d146655d261ceccc0dcc60f19053b7e06424e6f563ecd488a72a95d0e7ed22e9b230b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\atikmdag-patcher.exe

Filesize
93KB

MD5
d61992cbdda1a789a9d5f597fd0de125

SHA1
30ee90f65129e2529c7ad940f2006db1a6cf3918

SHA256
ba57d1539f4a7286075d8d383012a50af2e019714f8889ba03e23fbe1a2f73d0

SHA512
ced9e4a7a9b915dcb233a35493633b10a97bf716c976638b6f0be4d8c643a4c7fad1f6655cfa4704f807f22920757dec875dd2f26d61ef535d55a64460bd1a74

Download Submit
C:\Users\Admin\AppData\Local\Temp\atikmdag-patcher.exe

Filesize
93KB

MD5
d61992cbdda1a789a9d5f597fd0de125

SHA1
30ee90f65129e2529c7ad940f2006db1a6cf3918

SHA256
ba57d1539f4a7286075d8d383012a50af2e019714f8889ba03e23fbe1a2f73d0

SHA512
ced9e4a7a9b915dcb233a35493633b10a97bf716c976638b6f0be4d8c643a4c7fad1f6655cfa4704f807f22920757dec875dd2f26d61ef535d55a64460bd1a74

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6IOV4.tmp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp

Filesize
2.4MB

MD5
cb8ddb3cebc725405485ae32d8e58331

SHA1
61bc7caa715458b30d7a574b1d102b6966b86b5e

SHA256
f1b253174ea05ac8b1b452eed3ef5ae8adb0d1fa2c3527b3620e0a9b5d1ba6e7

SHA512
56abdd8bde5ce947126dcf203ddbfd730ee062488e150561fc9f73a9ee0b570f751d2f9f6466eefaa7c2c4b7dfc1d98dcf7606f846a25c162319fdb3dde49655

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MQSVV.tmp\418848721e51cf8490956e11b8eb75444a460fa07b4201be79d9b609e57d5b7d.tmp

Filesize
2.4MB

MD5
cb8ddb3cebc725405485ae32d8e58331

SHA1
61bc7caa715458b30d7a574b1d102b6966b86b5e

SHA256
f1b253174ea05ac8b1b452eed3ef5ae8adb0d1fa2c3527b3620e0a9b5d1ba6e7

SHA512
56abdd8bde5ce947126dcf203ddbfd730ee062488e150561fc9f73a9ee0b570f751d2f9f6466eefaa7c2c4b7dfc1d98dcf7606f846a25c162319fdb3dde49655

Download Submit
memory/1636-164-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1636-159-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/1636-158-0x00007FFCCF790000-0x00007FFCCF985000-memory.dmp

Filesize
2.0MB

Download
memory/2468-130-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2468-134-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2660-148-0x0000000000AF0000-0x0000000000B7D000-memory.dmp

Filesize
564KB

Download
memory/3520-138-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/3520-136-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4320-151-0x00007FFCCF790000-0x00007FFCCF985000-memory.dmp

Filesize
2.0MB

Download
memory/4320-150-0x0000000004AB0000-0x0000000004AE6000-memory.dmp

Filesize
216KB

Download
memory/4320-149-0x0000000003010000-0x0000000003018000-memory.dmp

Filesize
32KB

Download
memory/4320-157-0x0000000004AB6000-0x0000000004AC6000-memory.dmp

Filesize
64KB

Download