plugx | 769863ec7ba1e28a77c7cc0bda19bb79e6869cae63ecdfab97c669fc40348a0c

General

Target

d369b0abb477bed3cda7ee99b203d45d.exe
Size

344KB
MD5

d369b0abb477bed3cda7ee99b203d45d
SHA1

e77c9f4eead9652134c3eb82741bfecdd6a191e0
SHA256

769863ec7ba1e28a77c7cc0bda19bb79e6869cae63ecdfab97c669fc40348a0c
SHA512

257cebd19cc4509bdd9e7a62a0623bd2fffac3554f113707aba187370490b3a741438b0eec18a42fb214467862e48491bc69ba6f1b56549eb5445f73c3252cd5
SSDEEP

6144:VcPsBlXxcupxfbs9Sx7NqRz9In+Ml1vob6dtv4Dr5pT:Vflmupxfa0SodlhoW7v4v5pT

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

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exeavg.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	rundll32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	avg.exe

Executes dropped EXE 3 IoCs

Processes:

avg.exearpa.exeunsecapp.exe

pid process

4584 avg.exe
3908 arpa.exe
4568 unsecapp.exe
Loads dropped DLL 2 IoCs

Processes:

arpa.exeunsecapp.exe

pid process

3908 arpa.exe
4568 unsecapp.exe

pid	process
4584	avg.exe
3908	arpa.exe
4568	unsecapp.exe

pid	process
3908	arpa.exe
4568	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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ESET Malware ProtectionLYo = "\"C:\\ProgramData\\ESET Malware ProtectionLYo\\unsecapp.exe\" -app"	arpa.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
C:\Windows\Temp\avg.exe	nsis_installer_1
C:\Windows\Temp\avg.exe	nsis_installer_2

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

d369b0abb477bed3cda7ee99b203d45d.exeavg.exerundll32.exearpa.exe

description	pid	process	target process
PID 1808 wrote to memory of 4584	1808	d369b0abb477bed3cda7ee99b203d45d.exe	avg.exe
PID 1808 wrote to memory of 4584	1808	d369b0abb477bed3cda7ee99b203d45d.exe	avg.exe
PID 1808 wrote to memory of 4584	1808	d369b0abb477bed3cda7ee99b203d45d.exe	avg.exe
PID 4584 wrote to memory of 2988	4584	avg.exe	rundll32.exe
PID 4584 wrote to memory of 2988	4584	avg.exe	rundll32.exe
PID 4584 wrote to memory of 2988	4584	avg.exe	rundll32.exe
PID 2988 wrote to memory of 3908	2988	rundll32.exe	arpa.exe
PID 2988 wrote to memory of 3908	2988	rundll32.exe	arpa.exe
PID 2988 wrote to memory of 3908	2988	rundll32.exe	arpa.exe
PID 3908 wrote to memory of 4568	3908	arpa.exe	unsecapp.exe
PID 3908 wrote to memory of 4568	3908	arpa.exe	unsecapp.exe
PID 3908 wrote to memory of 4568	3908	arpa.exe	unsecapp.exe

C:\Users\Admin\AppData\Local\Temp\d369b0abb477bed3cda7ee99b203d45d.exe
"C:\Users\Admin\AppData\Local\Temp\d369b0abb477bed3cda7ee99b203d45d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1808
- \??\c:\windows\temp\avg.exe
  c:\windows\temp\avg.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4584
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" url.dll, FileProtocolHandler C:\Users\Admin\AppData\Local\Temp\arpa.exe
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:2988
  - - C:\Users\Admin\AppData\Local\Temp\arpa.exe
      "C:\Users\Admin\AppData\Local\Temp\arpa.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:3908
    - - C:\ProgramData\ESET Malware ProtectionLYo\unsecapp.exe
        
        "C:\ProgramData\ESET Malware ProtectionLYo\unsecapp.exe" -app
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        
        PID:4568

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=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:1876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
95KB

MD5
28c6f235946fd694d2634c7a2f24c1ba

SHA1
e9a9ce1ff07834d6ba9a51ba0d9e7c7a0b68d3e5

SHA256
c3159d4f85ceb84c4a0f7ea9208928e729a30ddda4fead7ec6257c7dd1984763

SHA512
16865c473e010950a2aa25263af70074ad7539a86dc20e0a253df39e54e3635e99e821d4df83cd7a0eaeff10c75782966439d16d056427e824be8df953e138be

Download Submit
C:\Users\Admin\AppData\Local\Temp\http_dll.dat

Filesize
81KB

MD5
27a4ed145a9a6cb41af09b8927fd5bee

SHA1
815be32e1ae7ec20621e87239a6279fbba2fc8b5

SHA256
3fbbf30015b64b50912c09c43052ac48b1983e869cebfb88dd1271fcb4e60d10

SHA512
2978496330e0dcfafad6b9186181febe4af28cb7bec227bfab3f0be711e5160b96692a9752e260bf585abc0a5d481bd4d408ead88e0e2973552e4abb934107a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\http_dll.dll

Filesize
20KB

MD5
5b92266d9a26260b4c9920ede267ba37

SHA1
372d5455fdb689787e7e49f7799510c6c2cdf6b7

SHA256
d3c41834ea1a05eb19b6012a9c0c4a2dd9df243af0df56885edabedfe3fea261

SHA512
db9b277d74d1c50b8580b8dbeef1f5c3f54a6cf436a95c658bf7b8201d48ed651400fdde84d7297abf7f71b1f8f2bf335716833e564fa25cf10483b5f8766ec5

Download Submit
C:\Windows\Temp\avg.exe

Filesize
125KB

MD5
fba356748c02da7a65ddef9470aa1cf2

SHA1
e0e3b538d015b1eb06a8a663bc746a36c3cc5848

SHA256
792eba5ba91a52bfb3b369107f38fb9a7e7b7987cd870f465338eae59e81f3f6

SHA512
f626824b33ea03f690500058c73ba662a1363535f80e7b05149dc8b580bd6bf514b334f3509283933993d0947b254c30cb6ddbf7be99d53de471997a2ef2f71d

Download Submit
memory/3908-15-0x0000000001590000-0x0000000001690000-memory.dmp

Filesize
1024KB

Download
memory/3908-14-0x0000000001520000-0x0000000001540000-memory.dmp

Filesize
128KB

Download
memory/4568-26-0x0000000000E20000-0x0000000000E40000-memory.dmp

Filesize
128KB

Download
memory/4568-27-0x0000000000E90000-0x0000000000F90000-memory.dmp

Filesize
1024KB

Download
memory/4568-28-0x0000000000E90000-0x0000000000F90000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads