Analysis
-
max time kernel
51s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-04-2024 08:15
Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20240221-en
General
-
Target
Client.exe
-
Size
3.1MB
-
MD5
06c48b0057d41710e891201feb25782a
-
SHA1
1910dedf7da045aa142c2606ee4aa55729241178
-
SHA256
5a0c1f8c117e97ea489329daaf64834554dcabd0263480675c6277b17f70f4f4
-
SHA512
818a46ce9fabaa244d74cffe435ea2e2740bf1e20da49402b3bb1147b994f979cf89e06ee0d3302a8c4fa33d4cfc2dc7f9eeb612125478cef4da9e4899ea9bed
-
SSDEEP
49152:fvnI22SsaNYfdPBldt698dBcjHPCZ1JTLoGdgDfTHHB72eh2NT:fvI22SsaNYfdPBldt6+dBcjHPC5w
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.178.113:4782
3caeec85-698d-4fb5-8dcc-d8a134c7032a
-
encryption_key
84878E668DB7327880C001BFC6CE91226EBE60EF
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
-
Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2280-0-0x0000000001080000-0x00000000013A4000-memory.dmp family_quasar -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
chrome.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
chrome.exepid process 2532 chrome.exe 2532 chrome.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
Client.exechrome.exedescription pid process Token: SeDebugPrivilege 2280 Client.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe Token: SeShutdownPrivilege 2532 chrome.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
Processes:
chrome.exepid process 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe -
Suspicious use of SendNotifyMessage 64 IoCs
Processes:
chrome.exepid process 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe 2532 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
Client.exechrome.exedescription pid process target process PID 2280 wrote to memory of 992 2280 Client.exe schtasks.exe PID 2280 wrote to memory of 992 2280 Client.exe schtasks.exe PID 2280 wrote to memory of 992 2280 Client.exe schtasks.exe PID 2532 wrote to memory of 1972 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 1972 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 1972 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2400 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 320 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 320 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 320 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe PID 2532 wrote to memory of 2596 2532 chrome.exe chrome.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Client.exe"C:\Users\Admin\AppData\Local\Temp\Client.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\system32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
PID:992
-
C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:3036
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef2429758,0x7fef2429768,0x7fef24297782⤵PID:1972
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1136 --field-trial-handle=1228,i,9023685747623355050,18351889635634770188,131072 /prefetch:22⤵PID:2400
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1500 --field-trial-handle=1228,i,9023685747623355050,18351889635634770188,131072 /prefetch:82⤵PID:320
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1576 --field-trial-handle=1228,i,9023685747623355050,18351889635634770188,131072 /prefetch:82⤵PID:2596
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2300 --field-trial-handle=1228,i,9023685747623355050,18351889635634770188,131072 /prefetch:12⤵PID:2328
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2312 --field-trial-handle=1228,i,9023685747623355050,18351889635634770188,131072 /prefetch:12⤵PID:1412
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1652 --field-trial-handle=1228,i,9023685747623355050,18351889635634770188,131072 /prefetch:22⤵PID:1896
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3216 --field-trial-handle=1228,i,9023685747623355050,18351889635634770188,131072 /prefetch:12⤵PID:2312
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3516 --field-trial-handle=1228,i,9023685747623355050,18351889635634770188,131072 /prefetch:82⤵PID:928
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3532 --field-trial-handle=1228,i,9023685747623355050,18351889635634770188,131072 /prefetch:82⤵PID:1584
-
C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"1⤵PID:1172
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
264KB
MD5f50f89a0a91564d0b8a211f8921aa7de
SHA1112403a17dd69d5b9018b8cede023cb3b54eab7d
SHA256b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
SHA512bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58
-
Filesize
4KB
MD5fadd6be85fa8e5efd7277bf6af56d8de
SHA15f26b3fb7c3e70d985da2f19efc59f49a5b244ab
SHA256eff78ee802fba29c7337276a3795f42b8c516e28b8354b9fd9f841db1f912e25
SHA512b6a691e983a0abaef71b60fb69019682fea9bb7e47bdfe2d6a55a39aed2e34050b651735ff34b6c239d1240378c8fa7786faf7128ae17220088bd3d853ca39c5
-
Filesize
4KB
MD503eab9c5938784647152249bebc4f756
SHA177ac81860bfff4a864932ea7aadfd651d7f3818d
SHA256fd42006b3241d166330d9625d7c1fec6725d9d6259098335832becff2967f4db
SHA51260fc15bdd3211b7cfbbad21a0a83b036dd4a62aa0d64840fddb4ea19a9001612300d1fa29286851d402f470f9a63ee31acb2bbbafc55dad2f44a683afb6565e1
-
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp
Filesize16B
MD518e723571b00fb1694a3bad6c78e4054
SHA1afcc0ef32d46fe59e0483f9a3c891d3034d12f32
SHA2568af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
SHA51243bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2
-
MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e