Malware Analysis Report

2024-10-19 06:56

Sample ID 240627-v8vn4avbjq
Target ClientAny.exe
SHA256 1d8219f967ab56f527a176a07a91f447b7ee335103e5cbac73b1bacc03cbab4d
Tags
rat default asyncrat discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1d8219f967ab56f527a176a07a91f447b7ee335103e5cbac73b1bacc03cbab4d

Threat Level: Known bad

The file ClientAny.exe was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat discovery

Async RAT payload

Asyncrat family

AsyncRat

Checks installed software on the system

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 17:40

Signatures

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Asyncrat family

asyncrat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 17:40

Reported

2024-06-27 17:42

Platform

win7-20231129-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ClientAny.exe"

Signatures

AsyncRat

rat asyncrat

Checks installed software on the system

discovery

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A

Processes

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

"C:\Users\Admin\AppData\Local\Temp\ClientAny.exe"

Network

Country Destination Domain Proto
NL 194.55.186.155:2424 tcp
US 8.8.8.8:53 www.microsoft.com udp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp
NL 194.55.186.155:2424 tcp

Files

memory/2868-0-0x000007FEF50F3000-0x000007FEF50F4000-memory.dmp

memory/2868-1-0x0000000001000000-0x0000000001018000-memory.dmp

memory/2868-3-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

memory/2868-4-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar2F9D.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

MD5 5964c5e52976992bc2902ec5376c7f6e
SHA1 beb15bbcbf0de800a43eba8b43da4c4c551ba8ea
SHA256 1744af4ca063f0e654da8cb0224364d66ebedb8e4185e8332018047d251da1cf
SHA512 f1d46152163de2872e9f9b1fcc1394f4baad8eaee722626310b002fde9a79c6e3433f06211bfb735e44b35a3720a625a43c08a077a273029203861156bc27a06

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

MD5 a266bb7dcc38a562631361bbf61dd11b
SHA1 3b1efd3a66ea28b16697394703a72ca340a05bd5
SHA256 df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
SHA512 0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

memory/2868-113-0x000007FEF50F3000-0x000007FEF50F4000-memory.dmp

memory/2868-114-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

memory/2868-139-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 17:40

Reported

2024-06-27 17:42

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ClientAny.exe"

Signatures

AsyncRat

rat asyncrat

Checks installed software on the system

discovery

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ClientAny.exe N/A

Processes

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

"C:\Users\Admin\AppData\Local\Temp\ClientAny.exe"

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=5084 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
NL 194.55.186.155:2424 tcp
US 8.8.8.8:53 155.186.55.194.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 216.58.201.106:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 i.pki.goog udp
US 8.8.8.8:53 i.pki.goog udp
GB 172.217.169.67:80 i.pki.goog tcp
US 8.8.8.8:53 106.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 67.169.217.172.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.239.69.13.in-addr.arpa udp

Files

memory/4764-0-0x00007FFCA3103000-0x00007FFCA3105000-memory.dmp

memory/4764-1-0x0000000000C80000-0x0000000000C98000-memory.dmp

memory/4764-3-0x00007FFCA3100000-0x00007FFCA3BC1000-memory.dmp

memory/4764-4-0x00007FFCA3100000-0x00007FFCA3BC1000-memory.dmp

memory/4764-7-0x00007FFCA3100000-0x00007FFCA3BC1000-memory.dmp

memory/4764-8-0x00007FFCA3100000-0x00007FFCA3BC1000-memory.dmp

memory/4764-10-0x00007FFCA3103000-0x00007FFCA3105000-memory.dmp

memory/4764-11-0x00007FFCA3100000-0x00007FFCA3BC1000-memory.dmp

memory/4764-12-0x00007FFCA3100000-0x00007FFCA3BC1000-memory.dmp

memory/4764-13-0x00007FFCA3100000-0x00007FFCA3BC1000-memory.dmp

memory/4764-14-0x00007FFCA3100000-0x00007FFCA3BC1000-memory.dmp