Analysis Overview
SHA256
644b2903e1c8b5d6b63335e409b1d624e1bdf620de4bacab2d54c0bef69e5dae
Threat Level: Known bad
The file aabb.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Quasar family
Checks computer location settings
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Enumerates physical storage devices
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-22 23:26
Signatures
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 23:26
Reported
2023-12-22 23:29
Platform
win10v2004-20231215-en
Max time kernel
131s
Max time network
139s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\aabb.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\aabb.exe
"C:\Users\Admin\AppData\Local\Temp\aabb.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Counter Strike Global Offensive" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Counter Strike Global Offensive" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /delete /tn "Counter Strike Global Offensive" /f
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qBSJqcjwth62.bat" "
C:\Windows\system32\PING.EXE
ping -n 10 localhost
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 82.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:15683 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 39.102.125.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.65.42.20.in-addr.arpa | udp |
Files
memory/4812-0-0x0000000000790000-0x0000000000AB4000-memory.dmp
memory/4812-1-0x00007FFD5B8F0000-0x00007FFD5C3B1000-memory.dmp
memory/4812-2-0x000000001B770000-0x000000001B780000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | ae40b244c39e229d0dee23c03e383cd4 |
| SHA1 | dd0b7106b18815e3f2c986d7fbf4d022896670e3 |
| SHA256 | d3af84bbd4667e89e783f052c5c91728499842d492af84c8b579272df7178d14 |
| SHA512 | 1f3120f2f3151ec9612e59c8a743a61c3eef96cf093487acf34d770c84553a818c80021c7304b43b39cd85e437a8bd2b6ab166155b0f4d5818e97b1577f14539 |
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | 5ec34c9f80b5f2bfe26a4b947b7ba500 |
| SHA1 | 318cd1ed0cc1b871e333bc791d6394874dcbcd04 |
| SHA256 | 1b0a855b348c580b37a2b386dc903f663f57c262b0673b7d64941782e33f5d3d |
| SHA512 | b6500ba787f77be74f6d2a5f34412a67c9552b63159db4a537b64e8a335a99ebb48cba592c1784e1ec56941e1a6f9dadd5347712b77f429dab0b4bc6f87952c1 |
memory/4680-9-0x00007FFD5B8F0000-0x00007FFD5C3B1000-memory.dmp
memory/4812-8-0x00007FFD5B8F0000-0x00007FFD5C3B1000-memory.dmp
memory/4680-10-0x0000000003280000-0x0000000003290000-memory.dmp
memory/4680-11-0x000000001C9E0000-0x000000001CA30000-memory.dmp
memory/4680-12-0x000000001CAF0000-0x000000001CBA2000-memory.dmp
memory/4680-16-0x000000001CA90000-0x000000001CACC000-memory.dmp
memory/4680-15-0x000000001CA30000-0x000000001CA42000-memory.dmp
memory/4680-17-0x00007FFD5B8F0000-0x00007FFD5C3B1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\qBSJqcjwth62.bat
| MD5 | e855c4caed097c63615af018e9c5fef7 |
| SHA1 | 1fd53aae06ca1615dd39683804e89a29cdecf26e |
| SHA256 | 593dc434488c5e732d101474874f333642a75305904bd5d468d7ed8a2c6ea62e |
| SHA512 | 18c04866bfafdd89bc7987817330d31e08fefe69a79a784a5681d9e8f0c913c0fed0888653dbbf28e28812781445611bb8666eab696e568eb32a13c9f889690f |
memory/4680-23-0x00007FFD5B8F0000-0x00007FFD5C3B1000-memory.dmp