plugx | 792eba5ba91a52bfb3b369107f38fb9a7e7b7987cd870f465338eae59e81f3f6

Analysis

max time kernel
157s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 01:36

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General

Target

$TEMP/arpa.exe
Size

95KB
MD5

28c6f235946fd694d2634c7a2f24c1ba
SHA1

e9a9ce1ff07834d6ba9a51ba0d9e7c7a0b68d3e5
SHA256

c3159d4f85ceb84c4a0f7ea9208928e729a30ddda4fead7ec6257c7dd1984763
SHA512

16865c473e010950a2aa25263af70074ad7539a86dc20e0a253df39e54e3635e99e821d4df83cd7a0eaeff10c75782966439d16d056427e824be8df953e138be
SSDEEP

1536:d4mHlQgfJA3DrnN6TU3W9bEuLJDuUVfwX9Gy5JE840gbDcCRDb9:dBFwrs9bb1VYXH5JE840Ax/9

Score

10^/10

plugx persistence trojan

Malware Config

Signatures

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx
Executes dropped EXE 1 IoCs

Processes:

unsecapp.exe

pid process

1364 unsecapp.exe
Loads dropped DLL 1 IoCs

Processes:

unsecapp.exe

pid process

1364 unsecapp.exe

pid	process
1364	unsecapp.exe

pid	process
1364	unsecapp.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

arpa.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ESET Malware ProtectionLYo = "\"C:\\ProgramData\\ESET Malware ProtectionLYo\\unsecapp.exe\" -app"	arpa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ESET Malware ProtectionLYo = "\"C:\\ProgramData\\ESET Malware ProtectionLYo\\unsecapp.exe\" -app"	arpa.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

arpa.exe

description	pid	process	target process
PID 1028 wrote to memory of 1364	1028	arpa.exe	unsecapp.exe
PID 1028 wrote to memory of 1364	1028	arpa.exe	unsecapp.exe
PID 1028 wrote to memory of 1364	1028	arpa.exe	unsecapp.exe

C:\Users\Admin\AppData\Local\Temp\$TEMP\arpa.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\arpa.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1028
- C:\ProgramData\ESET Malware ProtectionLYo\unsecapp.exe
  "C:\ProgramData\ESET Malware ProtectionLYo\unsecapp.exe" -app
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1364

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4060 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\ESET Malware ProtectionLYo\http_dll.dat

Filesize
81KB

MD5
27a4ed145a9a6cb41af09b8927fd5bee

SHA1
815be32e1ae7ec20621e87239a6279fbba2fc8b5

SHA256
3fbbf30015b64b50912c09c43052ac48b1983e869cebfb88dd1271fcb4e60d10

SHA512
2978496330e0dcfafad6b9186181febe4af28cb7bec227bfab3f0be711e5160b96692a9752e260bf585abc0a5d481bd4d408ead88e0e2973552e4abb934107a8

Download Submit
C:\ProgramData\ESET Malware ProtectionLYo\http_dll.dll

Filesize
20KB

MD5
5b92266d9a26260b4c9920ede267ba37

SHA1
372d5455fdb689787e7e49f7799510c6c2cdf6b7

SHA256
d3c41834ea1a05eb19b6012a9c0c4a2dd9df243af0df56885edabedfe3fea261

SHA512
db9b277d74d1c50b8580b8dbeef1f5c3f54a6cf436a95c658bf7b8201d48ed651400fdde84d7297abf7f71b1f8f2bf335716833e564fa25cf10483b5f8766ec5

Download Submit
C:\ProgramData\ESET Malware ProtectionLYo\unsecapp.exe

Filesize
95KB

MD5
28c6f235946fd694d2634c7a2f24c1ba

SHA1
e9a9ce1ff07834d6ba9a51ba0d9e7c7a0b68d3e5

SHA256
c3159d4f85ceb84c4a0f7ea9208928e729a30ddda4fead7ec6257c7dd1984763

SHA512
16865c473e010950a2aa25263af70074ad7539a86dc20e0a253df39e54e3635e99e821d4df83cd7a0eaeff10c75782966439d16d056427e824be8df953e138be

Download Submit
memory/1028-1-0x0000000002F90000-0x0000000002FB0000-memory.dmp

Filesize
128KB

Download
memory/1028-2-0x00000000014F0000-0x00000000015F0000-memory.dmp

Filesize
1024KB

Download
memory/1364-13-0x0000000000BC0000-0x0000000000BE0000-memory.dmp

Filesize
128KB

Download
memory/1364-14-0x0000000000C50000-0x0000000000D50000-memory.dmp

Filesize
1024KB

Download
memory/1364-15-0x0000000000C50000-0x0000000000D50000-memory.dmp

Filesize
1024KB

Download