Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2024 08:16
Behavioral task
behavioral1
Sample
Client-built1.exe
Resource
win7-20240903-en
General
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Target
Client-built1.exe
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Size
3.1MB
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MD5
bcaf70faf8cef879f13519ff4a94f9ab
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SHA1
cdc11c7fd22cacf568ccdd97d00928128e35e974
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SHA256
6661ba1349745231bcee0d0f97ad80ed2db94732ab32cb4fa5e969cfa631a695
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SHA512
f0d795820773834b6fb19ba92cb0a698e645498f1252594626d88cdf952bc4503d4e4d32f970bad0267b7040af898721e186215184a27ca6a9aa05f829b77214
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SSDEEP
49152:nv7I22SsaNYfdPBldt698dBcjHrKJGKGCDiUTHHB72eh2NT:nvE22SsaNYfdPBldt6+dBcjHrKQ
Malware Config
Extracted
quasar
1.4.1
SYSTEM
rather-reputation.gl.at.ply.gg:23827
6f4b08b2-7091-41aa-a67e-9b869448a0c0
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encryption_key
17D2A006DF537BB025A18049E5586744E13D89C5
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install_name
trey.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
SYSTEM
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subdirectory
trey
Signatures
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Quasar family
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Quasar payload 2 IoCs
resource yara_rule behavioral2/memory/2352-1-0x0000000000940000-0x0000000000C64000-memory.dmp family_quasar behavioral2/files/0x000a000000023b75-7.dat family_quasar -
Executes dropped EXE 1 IoCs
pid Process 1588 trey.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1844 schtasks.exe 1076 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3880 msedge.exe 3880 msedge.exe 2324 msedge.exe 2324 msedge.exe 3588 identity_helper.exe 3588 identity_helper.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
pid Process 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2352 Client-built1.exe Token: SeDebugPrivilege 1588 trey.exe -
Suspicious use of FindShellTrayWindow 31 IoCs
pid Process 1588 trey.exe 1588 trey.exe 1588 trey.exe 1588 trey.exe 1588 trey.exe 1588 trey.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe -
Suspicious use of SendNotifyMessage 30 IoCs
pid Process 1588 trey.exe 1588 trey.exe 1588 trey.exe 1588 trey.exe 1588 trey.exe 1588 trey.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe 2324 msedge.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1588 trey.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2352 wrote to memory of 1076 2352 Client-built1.exe 83 PID 2352 wrote to memory of 1076 2352 Client-built1.exe 83 PID 2352 wrote to memory of 1588 2352 Client-built1.exe 85 PID 2352 wrote to memory of 1588 2352 Client-built1.exe 85 PID 1588 wrote to memory of 1844 1588 trey.exe 86 PID 1588 wrote to memory of 1844 1588 trey.exe 86 PID 2324 wrote to memory of 116 2324 msedge.exe 111 PID 2324 wrote to memory of 116 2324 msedge.exe 111 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 1904 2324 msedge.exe 112 PID 2324 wrote to memory of 3880 2324 msedge.exe 113 PID 2324 wrote to memory of 3880 2324 msedge.exe 113 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 PID 2324 wrote to memory of 1696 2324 msedge.exe 114 -
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\Client-built1.exe"C:\Users\Admin\AppData\Local\Temp\Client-built1.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SYSTEM" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\trey\trey.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:1076
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C:\Users\Admin\AppData\Roaming\trey\trey.exe"C:\Users\Admin\AppData\Roaming\trey\trey.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SYSTEM" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\trey\trey.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:1844
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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:2324 -
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,0x120,0x124,0xf8,0x128,0x7ffc5ca846f8,0x7ffc5ca84708,0x7ffc5ca847182⤵PID:116
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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=1976,10831141829727141851,4746697487369269143,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1980 /prefetch:22⤵PID:1904
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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=1976,10831141829727141851,4746697487369269143,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2224 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:3880
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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=1976,10831141829727141851,4746697487369269143,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2888 /prefetch:82⤵PID:1696
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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=1976,10831141829727141851,4746697487369269143,131072 --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=2880 /prefetch:12⤵PID:3780
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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=1976,10831141829727141851,4746697487369269143,131072 --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=3412 /prefetch:12⤵PID:4848
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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=1976,10831141829727141851,4746697487369269143,131072 --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=4128 /prefetch:12⤵PID:2488
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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=1976,10831141829727141851,4746697487369269143,131072 --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=3900 /prefetch:12⤵PID:3152
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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=1976,10831141829727141851,4746697487369269143,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3604 /prefetch:82⤵PID:4348
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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=1976,10831141829727141851,4746697487369269143,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3604 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:3588
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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=1976,10831141829727141851,4746697487369269143,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3580 /prefetch:12⤵PID:4788
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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=1976,10831141829727141851,4746697487369269143,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4812 /prefetch:12⤵PID:2856
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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=1976,10831141829727141851,4746697487369269143,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5060 /prefetch:12⤵PID:3700
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1440
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4508
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
152B
MD561cef8e38cd95bf003f5fdd1dc37dae1
SHA111f2f79ecb349344c143eea9a0fed41891a3467f
SHA256ae671613623b4477fbd5daf1fd2d148ae2a09ddcc3804b2b6d4ffcb60b317e3e
SHA5126fb9b333fe0e8fde19fdd0bd01a1990a4e60a87c0a02bc8297da1206e42f8690d06b030308e58c862e9e77714a585eed7cc1627590d99a10aeb77fc0dd3d864d
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Filesize
5KB
MD52a14b223e75d60d3b5259549037ea65d
SHA126a506c3253633fe8ee1285243a6fa72a6976bbc
SHA25685ba16a0692e49657695e6fb4e18af639a2e9a5edbb89cb4bdb4771788e97fe5
SHA512aff1bb5c9c8bbbdd9a4a35894d608476f92876734eeb012675aad9b752580bfa8adfaeed8e4523ab76b0b36715236afed0d6e105ea87ee74928464d5c74e6d04
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Filesize
6KB
MD56f1fab2168de20a0e6035f002e6a02a5
SHA179965aaf4c481f599ebc598281e11df156eba02b
SHA256c85f9726b0ef25e4258f68684b6a3c4d7397b23867a1d8a3372910ea835ef38a
SHA512f71710085a43de5517e5716f3222e77dca4c53bc7eaf2d2523a8986ccd736b5fe3ea1fe7aee640e3770d0e20b8b5beeef9187cb7b34f775153905f114b88b446
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389
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Filesize
10KB
MD519da0a903ca14ad39df11df6245df48d
SHA1dbfc65ee9753bf6c20b79ac29e3ed56d8be8be9b
SHA25688715be79a041c3f35a075036b3a731cdb284178d9d50db56ae912eb3219ae00
SHA5128867a1a93221f9c50b993378469aee640a8d004c21ae8451af26ff6f2e4fb6b4e454094b98880c3c80893fc19a428b5a5a1f782ad53dbdc1744e50a87dc926ec
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Filesize
3.1MB
MD5bcaf70faf8cef879f13519ff4a94f9ab
SHA1cdc11c7fd22cacf568ccdd97d00928128e35e974
SHA2566661ba1349745231bcee0d0f97ad80ed2db94732ab32cb4fa5e969cfa631a695
SHA512f0d795820773834b6fb19ba92cb0a698e645498f1252594626d88cdf952bc4503d4e4d32f970bad0267b7040af898721e186215184a27ca6a9aa05f829b77214