parallax | 1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2

General

Target

1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe
Size

4.8MB
MD5

7d13e9ce716ea55bd73ea87055b8fa4b
SHA1

b42ad1b713cca94d44abc97b23a99d1ddc2b8866
SHA256

1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2
SHA512

9fde41cb27a4c2a6436b628ff645f3201ec9378480f90ea859509417878682143fa30d34edee95175a22474f199a5c78a7b6bf0d69ed804d8717c428aba50260

Score

10^/10

parallax persistence 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
behavioral1/memory/1092-61-0x0000000000400000-0x0000000000BBE000-memory.dmp	parallax_rat
behavioral1/memory/1768-70-0x0000000000400000-0x0000000000BBE000-memory.dmp	parallax_rat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\ = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsSearch\\SearchIndexer.exe"	SearchIndexer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1092	1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe
1768	SearchIndexer.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 2 IoCs

pid	Process
1092	1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe
1768	SearchIndexer.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1092	1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

pid	Process
1768	SearchIndexer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1768	1092	1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe	27
PID 1092 wrote to memory of 1768	1092	1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe	27
PID 1092 wrote to memory of 1768	1092	1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe	27
PID 1092 wrote to memory of 1768	1092	1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe	27

C:\Users\Admin\AppData\Local\Temp\1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe
"C:\Users\Admin\AppData\Local\Temp\1e04c1e4eefe23f454553364e757209462f2561d8455628b296b1dbe83fc6ec2.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Users\Admin\AppData\Roaming\WindowsSearch\SearchIndexer.exe
  "C:\Users\Admin\AppData\Roaming\WindowsSearch\SearchIndexer.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: SetClipboardViewer
  PID:1768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1092-56-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1092-55-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1092-57-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1092-58-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1092-59-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1092-60-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1092-61-0x0000000000400000-0x0000000000BBE000-memory.dmp

Filesize
7.7MB

Download
memory/1092-63-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1768-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-68-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1768-69-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1768-70-0x0000000000400000-0x0000000000BBE000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing