General
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Target
4363463463464363463463463.zip
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Size
4KB
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Sample
250127-21fzasyqem
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MD5
cfc7f9845dbf6737f2f7984f4c506ad8
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SHA1
8bf430e204e7531953bc03631c0ebf68412a063b
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SHA256
8f56584766e1e447c0436b9f7ef4ac2ecd7424715feb08fc6d99e6c176217c81
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SHA512
0ed3bc3abcfdd06769822f211a3497d4c77fa78dcd9704adb37a4b2b609cc5001ced23aa29e7c2bd1ce40e2c71b2807d22bc704cb01fe50acb9e3c7cefd828a9
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SSDEEP
96:+WBf1inGx9SfZ+VCv3wlTDMQ1kyKXyyJNOBIKkNvL5qK+7zHf6MlYOQVPGmcEvQ:+WBfwncSf8Cv3w9DZjKXjmBIKEvLs97f
Static task
static1
Behavioral task
behavioral1
Sample
4363463463464363463463463.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
4363463463464363463463463.exe
Resource
win10ltsc2021-20250113-en
Behavioral task
behavioral3
Sample
4363463463464363463463463.exe
Resource
win11-20241007-en
Malware Config
Extracted
quasar
1.4.1
Office04
biseo-48321.portmap.host:48321
14.243.221.170:2654
104.251.123.245:23600
cb74f432-50f1-4947-8163-7687a0292fb0
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encryption_key
D1BBEF3C04D88FE8F97EE2745041632CE9C760EE
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install_name
Svchost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Svchost
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subdirectory
Svchost
Extracted
asyncrat
0.5.8
Default
2.tcp.eu.ngrok.io:19695
gonq3XlXWgiz
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delay
3
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install
false
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install_folder
%AppData%
Extracted
quasar
1.4.1
SGVP
192.168.1.9:4782
150.129.206.176:4782
Ai-Sgvp-33452.portmap.host:33452
a27420c6-f346-4b84-b7bd-6b3eab5a43cb
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encryption_key
09BBDA8FF0524296F02F8F81158F33C0AA74D487
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install_name
User Application Data.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windowns Client Startup
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subdirectory
Quasar
Extracted
asyncrat
0.5.7B
Default
3.70.228.168:555
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Extracted
quasar
1.4.1
kys
192.168.100.2:4444
87964754-44e1-4ed3-a66e-f8de30cfe006
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encryption_key
6B74F0C858B7E90573D4E97997F2A082B9781250
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install_name
Panel.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Panel
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subdirectory
SubDir
Extracted
vidar
8.8
b1d953ef7170b7533c12ec48f4e2dfdc
https://tufure.xyz
https://steamcommunity.com/profiles/76561199662282318
https://t.me/t8jmhl
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profile_id_v2
b1d953ef7170b7533c12ec48f4e2dfdc
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user_agent
Mozilla/5.0 (Windows NT; Windows NT 10.0; en-US) AppleWebKit/534.6 (KHTML, like Gecko) Chrome/8.0.500.0 Safari/534.6
Targets
-
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Target
4363463463464363463463463.exe
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Size
10KB
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MD5
2a94f3960c58c6e70826495f76d00b85
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SHA1
e2a1a5641295f5ebf01a37ac1c170ac0814bb71a
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SHA256
2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
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SHA512
fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f
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SSDEEP
192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K
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Asyncrat family
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Detect Vidar Stealer
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InfinityLock Ransomware
Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
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Infinitylock family
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Quasar family
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Quasar payload
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Vidar family
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Async RAT payload
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Adds policy Run key to start application
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Blocklisted process makes network request
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
1Obfuscated Files or Information
1Command Obfuscation
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Peripheral Device Discovery
1Query Registry
5Remote System Discovery
1System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
2Internet Connection Discovery
1Wi-Fi Discovery
1