parallax | f36212eaeac80405017b3247f220ad07a15d95687481698808b15f42028d49cf

Analysis

max time kernel
149s
max time network
152s
platform
windows10_x64
resource
win10v20210410
submitted
09-07-2021 10:20

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General

Target

parallax.exe
Size

2.0MB
MD5

81075ebd93715391ee2b49df955bba56
SHA1

fc41898fda17fe85f9aee596a08cace7d6ca4f64
SHA256

f36212eaeac80405017b3247f220ad07a15d95687481698808b15f42028d49cf
SHA512

6d0ada0ac276990557dd95224661ab2cdb7577cc786fd1b49bfb342253298fda24aafa4a037c55fd4232c7d1df510e37d5b1c63d347afde8cbc6f22cc15e0714

Score

10^/10

parallax rat upx

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/1168-176-0x0000000000400000-0x0000000000427000-memory.dmp	parallax_rat

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1168-176-0x0000000000400000-0x0000000000427000-memory.dmp	upx

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
500	schtasks.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3968	parallax.exe
3968	parallax.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3968	parallax.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3968	parallax.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 3712	3968	parallax.exe	78
PID 3968 wrote to memory of 3712	3968	parallax.exe	78
PID 3968 wrote to memory of 3712	3968	parallax.exe	78
PID 3712 wrote to memory of 4044	3712	cmd.exe	80
PID 3712 wrote to memory of 4044	3712	cmd.exe	80
PID 3712 wrote to memory of 4044	3712	cmd.exe	80
PID 3968 wrote to memory of 3904	3968	parallax.exe	81
PID 3968 wrote to memory of 3904	3968	parallax.exe	81
PID 3968 wrote to memory of 3904	3968	parallax.exe	81
PID 3904 wrote to memory of 500	3904	cmd.exe	83
PID 3904 wrote to memory of 500	3904	cmd.exe	83
PID 3904 wrote to memory of 500	3904	cmd.exe	83
PID 3968 wrote to memory of 1168	3968	parallax.exe	84
PID 3968 wrote to memory of 1168	3968	parallax.exe	84
PID 3968 wrote to memory of 1168	3968	parallax.exe	84
PID 3968 wrote to memory of 1168	3968	parallax.exe	84
PID 3968 wrote to memory of 1168	3968	parallax.exe	84
PID 3968 wrote to memory of 1168	3968	parallax.exe	84
PID 3968 wrote to memory of 1168	3968	parallax.exe	84

C:\Users\Admin\AppData\Local\Temp\parallax.exe
"C:\Users\Admin\AppData\Local\Temp\parallax.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\cmd.exe
  cmd /c xcopy "C:\Users\Admin\AppData\Local\Temp\parallax.exe" "%AppData%\Security\" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3712
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "C:\Users\Admin\AppData\Local\Temp\parallax.exe" "C:\Users\Admin\AppData\Roaming\Security\" /y
    3⤵
    - Enumerates system info in registry
    PID:4044
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks /create /sc ONLOGON /tn "Security" /tr "%AppData%\Security\parallax.exe" /it /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3904
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc ONLOGON /tn "Security" /tr "C:\Users\Admin\AppData\Roaming\Security\parallax.exe" /it /f
    3⤵
    - Creates scheduled task(s)
    PID:500
- C:\Windows\SysWOW64\sxstrace.exe
  C:\Windows\System32\sxstrace.exe
  2⤵
  PID:1168

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

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

memory/1168-165-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-174-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-163-0x0000000003230000-0x000000000337A000-memory.dmp

Filesize
1.3MB

Download
memory/1168-162-0x0000000003230000-0x000000000337A000-memory.dmp

Filesize
1.3MB

Download
memory/1168-172-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-171-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-170-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-169-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-168-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-166-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-167-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-154-0x0000000000F30000-0x0000000000F33000-memory.dmp

Filesize
12KB

Download
memory/1168-175-0x00007FFDE2700000-0x00007FFDE28DB000-memory.dmp

Filesize
1.9MB

Download
memory/1168-173-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-160-0x0000000003230000-0x000000000337A000-memory.dmp

Filesize
1.3MB

Download
memory/1168-161-0x0000000003230000-0x000000000337A000-memory.dmp

Filesize
1.3MB

Download
memory/1168-159-0x0000000003230000-0x000000000337A000-memory.dmp

Filesize
1.3MB

Download
memory/1168-164-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-158-0x0000000004F60000-0x00000000050EE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-155-0x0000000077120000-0x00000000772AE000-memory.dmp

Filesize
1.6MB

Download
memory/1168-176-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1168-156-0x0000000000F40000-0x0000000000FEE000-memory.dmp

Filesize
696KB

Download
memory/1168-157-0x0000000003230000-0x000000000337A000-memory.dmp

Filesize
1.3MB

Download
memory/3968-129-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-131-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-142-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-144-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-145-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-146-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-147-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-148-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-149-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-150-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-141-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-140-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-139-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-138-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-137-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-115-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/3968-132-0x00007FFDE2700000-0x00007FFDE28DB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-143-0x000000000E5E0000-0x000000000E7BB000-memory.dmp

Filesize
1.9MB

Download
memory/3968-130-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-114-0x0000000077120000-0x00000000772AE000-memory.dmp

Filesize
1.6MB

Download
memory/3968-128-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-125-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-127-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-126-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-124-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-123-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-122-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-120-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/3968-121-0x0000000005E50000-0x0000000005E51000-memory.dmp

Filesize
4KB

Download
memory/3968-117-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-119-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-118-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-116-0x00000000026E0000-0x000000000286E000-memory.dmp

Filesize
1.6MB

Download