Analysis
- max time kernel
146s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
18/02/2024, 14:33
Behavioral task
behavioral1
Sample
test.exe
Resource
win7-20240215-en
13 signatures
150 seconds
General
- Target test.exe
- Size 3.3MB
- Sample240218-rwvxjsbf65
- SHA256 6aada60dd11d7a1157b24ccffa3d6ef2b5200487779ea648c36a92ffdba93af8
- MD5 fbeec3a99ddfa31e7aac9b09f4ca8158
- SHA1 2b66e39b1e98320db37578a317021f870a39302b
- SHA512 62bc3ee9f312d341116c37c8c0e781896699aa598e7904c2eb6fe5374aa17eda77fa053346e9909bf5677b4ccd59e7ea8e6d4ac5c637f434532abd040f24f88d
- SSDEEP 49152:KvyI22SsaNYfdPBldt698dBcjHdffaBxtFoGdKTHHB72eh2NT:Kvf22SsaNYfdPBldt6+dBcjHRfK
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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quasar
Version
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1.4.1
Botnet
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Office04
C2
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192.168.0.220:1234
Mutex
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1086eee1-251e-49e1-b643-b2a2bc0e42ea
Attributes
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encryption_key
A0937AB413B78114B0DA85D9EA95BA3AF9187438
-
install_name
Updater.exe
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log_directory
Logs
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reconnect_delay
3000
-
startup_key
Application Frame Handler
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subdirectory
Security
Signatures
- Quasar payload 3 IoCs
resource yara_rule behavioral2/memory/3600-0-0x0000000000BA0000-0x0000000000EF8000-memory.dmp family_quasar behavioral2/files/0x000600000002324c-6.dat family_quasar behavioral2/files/0x000600000002324c-7.dat family_quasar - Executes dropped EXE 1 IoCs
pid Process 2284 Updater.exe - Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4576 schtasks.exe 1652 schtasks.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 464 msedge.exe 464 msedge.exe 3256 msedge.exe 3256 msedge.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
pid Process 3256 msedge.exe 3256 msedge.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3600 test.exe Token: SeDebugPrivilege 2284 Updater.exe - Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe - Suspicious use of SendNotifyMessage 24 IoCs
pid Process 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe 3256 msedge.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2284 Updater.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3600 wrote to memory of 4576 3600 test.exe 85 PID 3600 wrote to memory of 4576 3600 test.exe 85 PID 3600 wrote to memory of 2284 3600 test.exe 86 PID 3600 wrote to memory of 2284 3600 test.exe 86 PID 2284 wrote to memory of 1652 2284 Updater.exe 87 PID 2284 wrote to memory of 1652 2284 Updater.exe 87 PID 3256 wrote to memory of 4124 3256 msedge.exe 100 PID 3256 wrote to memory of 4124 3256 msedge.exe 100 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 2572 3256 msedge.exe 101 PID 3256 wrote to memory of 464 3256 msedge.exe 102 PID 3256 wrote to memory of 464 3256 msedge.exe 102 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 PID 3256 wrote to memory of 4764 3256 msedge.exe 103 - 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
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C:\Users\Admin\AppData\Local\Temp\test.exe"C:\Users\Admin\AppData\Local\Temp\test.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Application Frame Handler" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Security\Updater.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
PID:4576
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C:\Users\Admin\AppData\Roaming\Security\Updater.exe"C:\Users\Admin\AppData\Roaming\Security\Updater.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Application Frame Handler" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Security\Updater.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:1652
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3256 -
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,0x120,0x124,0xf8,0x128,0x7ffc6b0b46f8,0x7ffc6b0b4708,0x7ffc6b0b47182⤵PID:4124
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:22⤵PID:2572
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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=2144,13262641941447427527,656689230827413285,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:464
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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=2144,13262641941447427527,656689230827413285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2720 /prefetch:82⤵PID:4764
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --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=3396 /prefetch:12⤵PID:2312
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --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=3416 /prefetch:12⤵PID:5088
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --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=5072 /prefetch:12⤵PID:3376
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --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=5028 /prefetch:12⤵PID:1448
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3360
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2344
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
- Size 152B
- SHA256 32dd52cc3142b6e758bd60adead81925515b31581437472d1f61bdeda24d5424
- MD5 84381d71cf667d9a138ea03b3283aea5
- SHA1 33dfc8a32806beaaafaec25850b217c856ce6c7b
- SHA512 469bfac06152c8b0a82de28e01f7ed36dc27427205830100b1416b7cd8d481f5c4369e2ba89ef1fdd932aaf17289a8e4ede303393feab25afc1158cb931d23a3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
- Size 5KB
- SHA256 6a6e104ddf2c37292fe97df4e05c380762281042906c75a399edec9dab8e33e7
- MD5 222e458d0daaa12ccd2b4d0cde00e6a7
- SHA1 ef0f98291b2b3aa0c3bd28f9a978ee53c9cd4a73
- SHA512 b3acb4524bb591583527d48ce034d9f274c6e02d5fc98999d4ba504156a7cd7c5b011d7f9ec7d43301f71f2a4c8ccf8344b9d60868db4df6dffd7985e22e2ce4
- SSDEEP 96:nxkQjX1UnMwpvWMoiVmdeHeDOUWQyV+VDCzia:nxksXiMGWMX3rj
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Security\Updater.exe
- Size 1.1MB
- SHA256 fef90b178f13511a959b5347fb4692e20aa1d8d0a06f81bfeb00098945e37871
- MD5 f255b68f355f71f044d13cfdbbb3abc1
- SHA1 233031d5596f8395df112b81997473bbe5bc19ab
- SHA512 2a0a7a8ab8c208b7eb1acac764b76228417d24613ab880985542df4ca6752fdea25718e455f1bd08acc1149bcaa4edfa6221231170d9942ce14da8d3e558cd39
- SSDEEP 24576:KvApIA4Wnh2ShqaNYjjjhPBl/lt6/l8ImBU:KvyI22SsaNYfdPBldt698dBU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Security\Updater.exe
- Size 3.3MB
- SHA256 6aada60dd11d7a1157b24ccffa3d6ef2b5200487779ea648c36a92ffdba93af8
- MD5 fbeec3a99ddfa31e7aac9b09f4ca8158
- SHA1 2b66e39b1e98320db37578a317021f870a39302b
- SHA512 62bc3ee9f312d341116c37c8c0e781896699aa598e7904c2eb6fe5374aa17eda77fa053346e9909bf5677b4ccd59e7ea8e6d4ac5c637f434532abd040f24f88d
- SSDEEP 49152:KvyI22SsaNYfdPBldt698dBcjHdffaBxtFoGdKTHHB72eh2NT:Kvf22SsaNYfdPBldt6+dBcjHRfK
- MD5 SHA1 SHA512 SSDEEP