parallax | 33dd66da63f57e1d64d469172a5d5e7615924bcde919e962c4a5a00c51306051

General

Target

html.exe
Size

1.5MB
MD5

77f82a88068d77ba9ece00d21bf3a4db
SHA1

cedf93d2a9dae5a41c7797baaf535f008d0166e9
SHA256

33dd66da63f57e1d64d469172a5d5e7615924bcde919e962c4a5a00c51306051
SHA512

1c3e8eb58ea6139e738bcf1662037669f470d46cdc60c9b4297542bcc545a2673447686a99827a8d07ae06d0260d5b1778159cd41552bc2c571a06ef297a9e1d
SSDEEP

12288:KNVVyrGvaRlb2nZS1dUpSp3fHgY+bE6gVVpQIcsmvG5SYmG7Sa:SVNPnZSXUpShfj+bE6gLpKpu5SYm6

Score

10^/10

parallax rat

Malware Config

Signatures

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

ParallaxRat payload 23 IoCs

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

resource	yara_rule
behavioral1/memory/1856-59-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-61-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-60-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-62-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-66-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-73-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-75-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-76-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-77-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-78-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-80-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-79-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-81-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-82-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-83-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-84-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-85-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-87-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-86-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-88-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-90-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-89-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat
behavioral1/memory/1856-91-0x0000000000400000-0x000000000042C000-memory.dmp	parallax_rat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\retero.exe	DllHost.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe
2384	html.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29
PID 2384 wrote to memory of 1856	2384	html.exe	29

C:\Users\Admin\AppData\Local\Temp\html.exe
"C:\Users\Admin\AppData\Local\Temp\html.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Program Files (x86)\Common Files\microsoft shared\ink\pipanel.exe
  "C:\Users\Admin\AppData\Local\Temp\html.exe"
  2⤵
  PID:1856

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}
1⤵
- Drops startup file
PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1856-75-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-91-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-76-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-59-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1856-68-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1856-67-0x00000000775CF000-0x00000000775D0000-memory.dmp

Filesize
4KB

Download
memory/1856-66-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-72-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1856-89-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-73-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-58-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-77-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-90-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-78-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-80-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-79-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-81-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-82-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-83-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-84-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-85-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-87-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-86-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1856-88-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2384-55-0x00000000775CF000-0x00000000775D0000-memory.dmp

Filesize
4KB

Download
memory/2384-74-0x0000000000440000-0x00000000004C0000-memory.dmp

Filesize
512KB

Download
memory/2384-54-0x0000000000440000-0x00000000004C0000-memory.dmp

Filesize
512KB

Download

Analysis

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