Analysis
- max time kernel
145s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
28/05/2024, 02:34
Behavioral task
behavioral1
Sample
SynapseX Revamped V1.5/SynapseXBootstrapper.exe
Resource
win7-20231129-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
SynapseX Revamped V1.5/SynapseXBootstrapper.exe
Resource
win10v2004-20240508-en
12 signatures
150 seconds
Behavioral task
behavioral3
Sample
SynapseX Revamped V1.5/bin/SynapseInjector.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
- Target SynapseX Revamped V1.5/SynapseXBootstrapper.exe
- Size 3.1MB
- Sample240528-c2ncbsbe8y
- SHA256 de29011246319ec8b60774d8c4cad4e8299e27eba6dc7699cd257fbdda338336
- MD5 9434a1822088cedbce057d280c235864
- SHA1 c09173a18e5ae2d9d38bd4d3d196adf1423f924e
- SHA512 7461b706ef796abc96d7f2549091061910fdf81a77ae0f8d0c20c5de870164410f5dd3b68e3e33a5bb9b77c3ccf59fd787164530b6d2d03688d4dceccb4fb632
- SSDEEP 49152:PvnI22SsaNYfdPBldt698dBcjHHeJ/uBx3ioGdyTHHB72eh2NT:PvI22SsaNYfdPBldt6+dBcjH4/X
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
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quasar
Version
-
1.4.1
Botnet
-
Windows Update
C2
-
skbidiooiilet-31205.portmap.host:31205
Mutex
-
b2f09b33-2e5b-4ffa-afbf-3f1aaed274a6
Attributes
-
encryption_key
6F721445F7E0B1CF58980D84A9D49F4458D4EFD9
-
install_name
Update.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
WindowsUpdate
-
subdirectory
Windows Update
Signatures
- Quasar payload 2 IoCs
resource yara_rule behavioral2/memory/4572-1-0x0000000000510000-0x0000000000834000-memory.dmp family_quasar behavioral2/files/0x0008000000023420-6.dat family_quasar - Executes dropped EXE 1 IoCs
pid Process 1820 Update.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 1436 schtasks.exe 1876 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 3772 msedge.exe 3772 msedge.exe 1276 msedge.exe 1276 msedge.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
pid Process 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4572 SynapseXBootstrapper.exe Token: SeDebugPrivilege 1820 Update.exe Token: SeManageVolumePrivilege 3500 svchost.exe - Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe - Suspicious use of SendNotifyMessage 24 IoCs
pid Process 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe 1276 msedge.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4572 wrote to memory of 1436 4572 SynapseXBootstrapper.exe 85 PID 4572 wrote to memory of 1436 4572 SynapseXBootstrapper.exe 85 PID 4572 wrote to memory of 1820 4572 SynapseXBootstrapper.exe 88 PID 4572 wrote to memory of 1820 4572 SynapseXBootstrapper.exe 88 PID 1820 wrote to memory of 1876 1820 Update.exe 89 PID 1820 wrote to memory of 1876 1820 Update.exe 89 PID 1276 wrote to memory of 3704 1276 msedge.exe 120 PID 1276 wrote to memory of 3704 1276 msedge.exe 120 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 5008 1276 msedge.exe 121 PID 1276 wrote to memory of 3772 1276 msedge.exe 122 PID 1276 wrote to memory of 3772 1276 msedge.exe 122 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 PID 1276 wrote to memory of 1740 1276 msedge.exe 123 - 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\SynapseX Revamped V1.5\SynapseXBootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\SynapseX Revamped V1.5\SynapseXBootstrapper.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows Update\Update.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
PID:1436
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C:\Users\Admin\AppData\Roaming\Windows Update\Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update\Update.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows Update\Update.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:1876
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
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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:1276 -
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,0x120,0x124,0xf8,0x128,0x7ffc00a046f8,0x7ffc00a04708,0x7ffc00a047182⤵PID:3704
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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=2152,14748075775162264916,1038877916641964821,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:22⤵PID:5008
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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=2152,14748075775162264916,1038877916641964821,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2240 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:3772
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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=2152,14748075775162264916,1038877916641964821,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2744 /prefetch:82⤵PID:1740
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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=2152,14748075775162264916,1038877916641964821,131072 --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=3420 /prefetch:12⤵PID:3488
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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=2152,14748075775162264916,1038877916641964821,131072 --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=3428 /prefetch:12⤵PID:3940
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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=2152,14748075775162264916,1038877916641964821,131072 --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=4156 /prefetch:12⤵PID:3608
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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=2152,14748075775162264916,1038877916641964821,131072 --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=5144 /prefetch:12⤵PID:2636
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4064
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4476
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 354de4b033ba6e4d85f94d91230cb8501f62e0a4e302cd4076c7e0ad73bedbd1
- MD5 4158365912175436289496136e7912c2
- SHA1 813d11f772b1cfe9ceac2bf37f4f741e5e8fbe59
- SHA512 74b4f7b24ad4ea395f3a4cd8dbfae54f112a7c87bce3d286ee5161f6b63d62dfa19bb0d96bb7ed1c6d925f5697a2580c25023d5052c6a09992e6fd9dd49ea82b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
- Size 152B
- SHA256 bce2dfaa91f0d44e977e0f79c60e64954a7b9dc828b0e30fbaa67dbe82f750aa
- MD5 ce4c898f8fc7601e2fbc252fdadb5115
- SHA1 01bf06badc5da353e539c7c07527d30dccc55a91
- SHA512 80fff4c722c8d3e69ec4f09510779b7e3518ae60725d2d36903e606a27ec1eaedbdbfac5b662bf2c19194c572ccf0125445f22a907b329ad256e6c00b9cf032c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\GPUCache\data_1
- Size 264KB
- SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
- MD5 f50f89a0a91564d0b8a211f8921aa7de
- SHA1 112403a17dd69d5b9018b8cede023cb3b54eab7d
- SHA512 bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58
- SSDEEP 3:MsEllllkEthXllkl2zE:/M/xT02z
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
- Size 5KB
- SHA256 f61ceddbbb3c89b96f0a1ce321fe9da83569a5914fcccd1dde848e438cc785be
- MD5 9b85b701f3e75c8f91f74b0d7b2d2462
- SHA1 baa01d7f212ea92603b705f16dadd66eb70ee40e
- SHA512 c42575271b0b30c29de60ac2d20bdba88dc2c01458d99ae4145bda3cf996a28e93b94778110a31a0c72dbde54f2ed41a99996cc41d26f1db36bd12ab36a9514b
- SSDEEP 96:n/kCl1/8juwpvWMoiVmdeHvSSPUWQyV+VDCziEwb:n/kaR8juGWMXxro
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
- Size 6KB
- SHA256 474ee645c73c81d3e47ee9d35b5c0545fe096bd1c23e0b38d94f949bf513eb12
- MD5 34faf39f52444b4e50e7a8048928df14
- SHA1 215ca9e3b64574d1f819ab238c2d8a288cc582f8
- SHA512 a0aee18a1a2d14e538bafdf985fa6079e979428821c4130f393879a203b8de0a183134edd87d0b5b7512aa2dffed2f0e0173c42a1eee4e4ea4feb1063e77d3f1
- SSDEEP 96:n/k7l1/QjuwpvWMoiVmdeHvSrtyWQyV+VDCAiEwb:n/kBRQjuGWMXolV
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
- Size 11KB
- SHA256 53a2ccf1c570b466b9d7752be6043d9a11419a3c1b96c513f09e17108b894e12
- MD5 06a6cba93144cfe1d1ae1c09618ca59c
- SHA1 4c9c2363490e24d8389e56808382b66889c92559
- SHA512 ec579a3d55326e99c1cc36712d128b2b3410269dc3b93e3dbd75d81eca72364e4107b55ee25f8e770e920dd88f8391ebb18129ee1766f49ba19c9af56f95f218
- SSDEEP 192:5oCL/Pgu90RZj8Sr6FA4ZiIxuERzA83h09RZxAexup+3e2RURRuq3z2OMDCRHqlb:l9iIxuERzA83h09RZxY+/FqaOMWRHqlb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Windows Update\Update.exe
- Size 3.1MB
- SHA256 de29011246319ec8b60774d8c4cad4e8299e27eba6dc7699cd257fbdda338336
- MD5 9434a1822088cedbce057d280c235864
- SHA1 c09173a18e5ae2d9d38bd4d3d196adf1423f924e
- SHA512 7461b706ef796abc96d7f2549091061910fdf81a77ae0f8d0c20c5de870164410f5dd3b68e3e33a5bb9b77c3ccf59fd787164530b6d2d03688d4dceccb4fb632
- SSDEEP 49152:PvnI22SsaNYfdPBldt698dBcjHHeJ/uBx3ioGdyTHHB72eh2NT:PvI22SsaNYfdPBldt6+dBcjH4/X
- MD5 SHA1 SHA512 SSDEEP