Analysis Overview
SHA256
a86c7bf4b03420d6ae80c4ab78f7dd761d53e1b0eabe2a827f295267a03cb32e
Threat Level: Known bad
The file rat2.0.rar was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar family
Quasar RAT
Executes dropped EXE
Drops file in Program Files directory
Unsigned PE
Browser Information Discovery
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Enumerates system info in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-13 13:53
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
2024-12-13 13:53
Reported
2024-12-13 13:56
Platform
win7-20240903-en
Max time kernel
149s
Max time network
135s
Command Line
Signatures
Quasar RAT
Quasar family
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Pygame.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\SubDir\Pygame.exe | C:\Program Files\SubDir\Pygame.exe | N/A |
| File created | C:\Program Files\SubDir\Pygame.exe | C:\Users\Admin\AppData\Local\Temp\rat2.0.exe | N/A |
| File opened for modification | C:\Program Files\SubDir\Pygame.exe | C:\Users\Admin\AppData\Local\Temp\rat2.0.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\rat2.0.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\SubDir\Pygame.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Pygame.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2176 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\rat2.0.exe | C:\Program Files\SubDir\Pygame.exe |
| PID 2176 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\rat2.0.exe | C:\Program Files\SubDir\Pygame.exe |
| PID 2176 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\rat2.0.exe | C:\Program Files\SubDir\Pygame.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\rat2.0.exe
"C:\Users\Admin\AppData\Local\Temp\rat2.0.exe"
C:\Program Files\SubDir\Pygame.exe
"C:\Program Files\SubDir\Pygame.exe"
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.56.1:4782 | tcp | |
| N/A | 192.168.42.36:4782 | tcp | |
| N/A | 192.168.56.1:4782 | tcp | |
| N/A | 192.168.42.36:4782 | tcp | |
| N/A | 192.168.56.1:4782 | tcp | |
| N/A | 192.168.42.36:4782 | tcp | |
| N/A | 192.168.56.1:4782 | tcp |
Files
memory/2176-0-0x000007FEF5B43000-0x000007FEF5B44000-memory.dmp
memory/2176-1-0x0000000000200000-0x0000000000524000-memory.dmp
memory/2176-2-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp
C:\Program Files\SubDir\Pygame.exe
| MD5 | 0ec9d66f466763887c3d957ef04a601a |
| SHA1 | 4f3bd499508c12c1d15142db4ccb3633d4a563f9 |
| SHA256 | ca6205581da131085d4fd448d7a6cb47627ebf0eeeb7e42d7c1047d18631c9b0 |
| SHA512 | ffcaf78789c63171473cd0d173875bf83860be15505181f431ef8557e6509af78130a1aee8a067e076238028fba229bb442bb738cff9401bdb8d204bc24bd13d |
memory/2176-8-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp
memory/2408-10-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp
memory/2408-9-0x0000000001090000-0x00000000013B4000-memory.dmp
memory/2408-11-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp
memory/2408-12-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-13 13:53
Reported
2024-12-13 13:56
Platform
win10v2004-20241007-en
Max time kernel
117s
Max time network
124s
Command Line
Signatures
Quasar RAT
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Pygame.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\SubDir\Pygame.exe | C:\Users\Admin\AppData\Local\Temp\rat2.0.exe | N/A |
| File opened for modification | C:\Program Files\SubDir\Pygame.exe | C:\Users\Admin\AppData\Local\Temp\rat2.0.exe | N/A |
| File opened for modification | C:\Program Files\SubDir\Pygame.exe | C:\Program Files\SubDir\Pygame.exe | N/A |
Browser Information Discovery
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe | N/A |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\rat2.0.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\SubDir\Pygame.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Pygame.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\rat2.0.exe
"C:\Users\Admin\AppData\Local\Temp\rat2.0.exe"
C:\Program Files\SubDir\Pygame.exe
"C:\Program Files\SubDir\Pygame.exe"
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ff81f4746f8,0x7ff81f474708,0x7ff81f474718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2056,3143340671877740120,1434997260948243962,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2068 /prefetch:2
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2056,3143340671877740120,1434997260948243962,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2152 /prefetch:3
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2056,3143340671877740120,1434997260948243962,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2716 /prefetch:8
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,3143340671877740120,1434997260948243962,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3412 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,3143340671877740120,1434997260948243962,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3420 /prefetch:1
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,3143340671877740120,1434997260948243962,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4972 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,3143340671877740120,1434997260948243962,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4492 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2056,3143340671877740120,1434997260948243962,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3664 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2056,3143340671877740120,1434997260948243962,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3664 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| N/A | 192.168.56.1:4782 | tcp | |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| N/A | 192.168.42.36:4782 | tcp | |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| N/A | 192.168.56.1:4782 | tcp | |
| US | 8.8.8.8:53 | 182.129.81.91.in-addr.arpa | udp |
| N/A | 192.168.42.36:4782 | tcp | |
| US | 8.8.8.8:53 | 20.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| N/A | 192.168.56.1:4782 | tcp | |
| N/A | 224.0.0.251:5353 | udp | |
| US | 95.100.195.152:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 152.195.100.95.in-addr.arpa | udp |
Files
memory/3520-0-0x00007FF828243000-0x00007FF828245000-memory.dmp
memory/3520-1-0x00000000003F0000-0x0000000000714000-memory.dmp
memory/3520-2-0x00007FF828240000-0x00007FF828D01000-memory.dmp
C:\Program Files\SubDir\Pygame.exe
| MD5 | 0ec9d66f466763887c3d957ef04a601a |
| SHA1 | 4f3bd499508c12c1d15142db4ccb3633d4a563f9 |
| SHA256 | ca6205581da131085d4fd448d7a6cb47627ebf0eeeb7e42d7c1047d18631c9b0 |
| SHA512 | ffcaf78789c63171473cd0d173875bf83860be15505181f431ef8557e6509af78130a1aee8a067e076238028fba229bb442bb738cff9401bdb8d204bc24bd13d |
memory/3520-10-0x00007FF828240000-0x00007FF828D01000-memory.dmp
memory/3576-9-0x00007FF828240000-0x00007FF828D01000-memory.dmp
memory/3576-11-0x00007FF828240000-0x00007FF828D01000-memory.dmp
memory/3576-12-0x000000001B590000-0x000000001B5E0000-memory.dmp
memory/3576-13-0x000000001B6A0000-0x000000001B752000-memory.dmp
memory/3576-14-0x00007FF828240000-0x00007FF828D01000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 36988ca14952e1848e81a959880ea217 |
| SHA1 | a0482ef725657760502c2d1a5abe0bb37aebaadb |
| SHA256 | d7e96088b37cec1bde202ae8ec2d2f3c3aafc368b6ebd91b3e2985846facf2e6 |
| SHA512 | d04b2f5afec92eb3d9f9cdc148a3eddd1b615e0dfb270566a7969576f50881d1f8572bccb8b9fd7993724bdfe36fc7633a33381d43e0b96c4e9bbd53fc010173 |
\??\pipe\LOCAL\crashpad_4456_ZWOJKDSJSGXPMVZF
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | fab8d8d865e33fe195732aa7dcb91c30 |
| SHA1 | 2637e832f38acc70af3e511f5eba80fbd7461f2c |
| SHA256 | 1b034ffe38e534e2b7a21be7c1f207ff84a1d5f3893207d0b4bb1a509b4185ea |
| SHA512 | 39a3d43ef7e28fea2cb247a5d09576a4904a43680db8c32139f22a03d80f6ede98708a2452f3f82232b868501340f79c0b3f810f597bcaf5267c3ccfb1704b43 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 1800acb613608211f102d9a72c3e34e2 |
| SHA1 | 56142fcf821dea1d56da1010c098d3b112215a83 |
| SHA256 | 84bbad341c28bce4be2e9372f9521fdae7dc18aad2694cf86007c5ce3fa0c385 |
| SHA512 | 6bd7baefffb5fcc6aaa910321fe7e7d32f04f1748d940372590ea6764768008810a5b37be20f2e9eabcd97adb7262329538d0d9e31bd2225696c50608b4203d6 |
memory/3576-45-0x000000001C1D0000-0x000000001C6F8000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
| MD5 | 6752a1d65b201c13b62ea44016eb221f |
| SHA1 | 58ecf154d01a62233ed7fb494ace3c3d4ffce08b |
| SHA256 | 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd |
| SHA512 | 9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | 4925b4383282e57e9ebb98b89f4971df |
| SHA1 | 9e825d146060bd19df7bf10986737131fab6debf |
| SHA256 | 8083fa5b13fbee9fe9daa19e1349300d5edb0ed281c950b4811300eacedbc172 |
| SHA512 | 38a7f4cf3ebe46140d0032064dff7437fc006c935522c3889f7e688e9831f3e115acb243b911128fd35d44423d25f7a8c1ae224ace8cf214ceb1aed02f33866f |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | a81dfc72a2c2c073dc4523e58c9713e0 |
| SHA1 | b1641fd898cff5275d17164e7904f7b1e0585c9d |
| SHA256 | 7167c889588183e46af8bdb6b718962ac8e00512d225693784609cd3f6410bff |
| SHA512 | 279183d9ce9e286b46ac21e7ed0563fc1f47f62353a2fb1689fd4955db96da88f61f594ed3ed4986f5640ba3b2890081aa08daae8d705cf7396aca9f7c44abf0 |