Analysis
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max time kernel
147s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 08:27
Static task
static1
Behavioral task
behavioral1
Sample
win32-quickq_1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
win32-quickq_1.exe
Resource
win10v2004-20240802-en
General
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Target
win32-quickq_1.exe
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Size
99.0MB
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MD5
c6b7c0ad548155f7ef394b81f2a3f22a
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SHA1
89bb68b5ef1f31b54c6c8ed0b9044705c53aae0d
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SHA256
71fee022f7b439f7f45e1b6b5f6571a27617ee011f417670bc1018dc9a579346
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SHA512
6f0c54c43c395a4501e314af5bbc92cd149bdd8a5e1874e130b331ddc4bd52b65320b8f7d489ed50b53f10c891054910d0e9f265835348e292cc0948d04c8716
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SSDEEP
3145728:nHQoAe5KrdHxK5JhACGufBbPSTnvTo5e+DZt:HQJMf+CZBP6MbDZ
Malware Config
Signatures
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FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
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Fatal Rat payload 1 IoCs
resource yara_rule behavioral2/memory/4272-71-0x0000000010000000-0x0000000010029000-memory.dmp fatalrat -
resource yara_rule behavioral2/files/0x0007000000023460-24.dat aspack_v212_v242 -
Executes dropped EXE 6 IoCs
pid Process 1320 sg.tmp 3300 uyd.exe 3488 QTalk.exe 1584 spolsvt.exe 4272 spolsvt.exe 3724 svcoth.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Çý¶¯ÈËÉú = "C:\\Users\\Public\\Documents\\sougou\\PTvrst.exe" uyd.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA uyd.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3488 set thread context of 1584 3488 QTalk.exe 90 PID 1584 set thread context of 4272 1584 spolsvt.exe 91 PID 1584 set thread context of 3724 1584 spolsvt.exe 92 -
Drops file in Program Files directory 5 IoCs
description ioc Process File created C:\Program Files (x86)\uyd.exe sg.tmp File opened for modification C:\Program Files (x86)\uyd.exe sg.tmp File created C:\Program Files (x86)\win32-quickq.exe sg.tmp File opened for modification C:\Program Files (x86)\win32-quickq.exe sg.tmp File opened for modification C:\Program Files (x86)\Internet Explorer\images win32-quickq_1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language win32-quickq_1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language win32-quickq_1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language win32-quickq_1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language win32-quickq_1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uyd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language QTalk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svcoth.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spolsvt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spolsvt.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3300 uyd.exe 3300 uyd.exe 4004 win32-quickq_1.exe 4004 win32-quickq_1.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe 4272 spolsvt.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeBackupPrivilege 4004 win32-quickq_1.exe Token: SeRestorePrivilege 4004 win32-quickq_1.exe Token: 33 4004 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 4004 win32-quickq_1.exe Token: SeCreateGlobalPrivilege 4004 win32-quickq_1.exe Token: 33 4004 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 4004 win32-quickq_1.exe Token: 33 4004 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 4004 win32-quickq_1.exe Token: SeBackupPrivilege 2952 win32-quickq_1.exe Token: SeRestorePrivilege 2952 win32-quickq_1.exe Token: 33 2952 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 2952 win32-quickq_1.exe Token: 33 4004 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 4004 win32-quickq_1.exe Token: SeRestorePrivilege 1320 sg.tmp Token: 35 1320 sg.tmp Token: SeSecurityPrivilege 1320 sg.tmp Token: SeSecurityPrivilege 1320 sg.tmp Token: 33 4004 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 4004 win32-quickq_1.exe Token: SeDebugPrivilege 4004 win32-quickq_1.exe Token: SeDebugPrivilege 4272 spolsvt.exe Token: 33 4004 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 4004 win32-quickq_1.exe Token: 33 4004 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 4004 win32-quickq_1.exe Token: SeBackupPrivilege 4764 win32-quickq_1.exe Token: SeRestorePrivilege 4764 win32-quickq_1.exe Token: 33 4764 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 4764 win32-quickq_1.exe Token: SeBackupPrivilege 2548 win32-quickq_1.exe Token: SeRestorePrivilege 2548 win32-quickq_1.exe Token: 33 2548 win32-quickq_1.exe Token: SeIncBasePriorityPrivilege 2548 win32-quickq_1.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3300 uyd.exe 3300 uyd.exe 3488 QTalk.exe 3488 QTalk.exe 1584 spolsvt.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 4004 wrote to memory of 532 4004 win32-quickq_1.exe 82 PID 4004 wrote to memory of 532 4004 win32-quickq_1.exe 82 PID 4004 wrote to memory of 2952 4004 win32-quickq_1.exe 84 PID 4004 wrote to memory of 2952 4004 win32-quickq_1.exe 84 PID 4004 wrote to memory of 2952 4004 win32-quickq_1.exe 84 PID 4004 wrote to memory of 1320 4004 win32-quickq_1.exe 85 PID 4004 wrote to memory of 1320 4004 win32-quickq_1.exe 85 PID 4004 wrote to memory of 1320 4004 win32-quickq_1.exe 85 PID 4004 wrote to memory of 3300 4004 win32-quickq_1.exe 87 PID 4004 wrote to memory of 3300 4004 win32-quickq_1.exe 87 PID 4004 wrote to memory of 3300 4004 win32-quickq_1.exe 87 PID 3300 wrote to memory of 3488 3300 uyd.exe 89 PID 3300 wrote to memory of 3488 3300 uyd.exe 89 PID 3300 wrote to memory of 3488 3300 uyd.exe 89 PID 3488 wrote to memory of 1584 3488 QTalk.exe 90 PID 3488 wrote to memory of 1584 3488 QTalk.exe 90 PID 3488 wrote to memory of 1584 3488 QTalk.exe 90 PID 3488 wrote to memory of 1584 3488 QTalk.exe 90 PID 3488 wrote to memory of 1584 3488 QTalk.exe 90 PID 3488 wrote to memory of 1584 3488 QTalk.exe 90 PID 3488 wrote to memory of 1584 3488 QTalk.exe 90 PID 3488 wrote to memory of 1584 3488 QTalk.exe 90 PID 1584 wrote to memory of 4272 1584 spolsvt.exe 91 PID 1584 wrote to memory of 4272 1584 spolsvt.exe 91 PID 1584 wrote to memory of 4272 1584 spolsvt.exe 91 PID 1584 wrote to memory of 4272 1584 spolsvt.exe 91 PID 1584 wrote to memory of 4272 1584 spolsvt.exe 91 PID 1584 wrote to memory of 4272 1584 spolsvt.exe 91 PID 1584 wrote to memory of 4272 1584 spolsvt.exe 91 PID 1584 wrote to memory of 4272 1584 spolsvt.exe 91 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 1584 wrote to memory of 3724 1584 spolsvt.exe 92 PID 4004 wrote to memory of 4764 4004 win32-quickq_1.exe 102 PID 4004 wrote to memory of 4764 4004 win32-quickq_1.exe 102 PID 4004 wrote to memory of 4764 4004 win32-quickq_1.exe 102 PID 4004 wrote to memory of 2548 4004 win32-quickq_1.exe 103 PID 4004 wrote to memory of 2548 4004 win32-quickq_1.exe 103 PID 4004 wrote to memory of 2548 4004 win32-quickq_1.exe 103 PID 4764 wrote to memory of 3320 4764 win32-quickq_1.exe 104 PID 4764 wrote to memory of 3320 4764 win32-quickq_1.exe 104 PID 2548 wrote to memory of 4936 2548 win32-quickq_1.exe 105 PID 2548 wrote to memory of 4936 2548 win32-quickq_1.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe"C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c set2⤵PID:532
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C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exePECMD**pecmd-cmd* PUTF -dd -skipb=1627136 -len=102155167 "C:\Users\Admin\AppData\Local\Temp\~5737088809894575481.tmp",,C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2952
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C:\Users\Admin\AppData\Local\Temp\~3148802976790838640~\sg.tmp7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~5737088809894575481.tmp" -y -aoa -o"C:\Program Files (x86)\"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:1320
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C:\Program Files (x86)\uyd.exe"C:\Program Files (x86)\\uyd.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Users\Public\Documents\sougou\V4.6.80\Bin\QTalk.exeC:\Users\Public\Documents\sougou\V4.6.80\Bin\QTalk.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Users\Public\Documents\sougou\spolsvt.exeC:\Users\Public\Documents\sougou\spolsvt.exe4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Users\Public\Documents\dd\spolsvt.exeC:\Users\Public\Documents\dd\spolsvt.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4272
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C:\Users\Public\Documents\uu\svcoth.exeC:\Users\Public\Documents\uu\svcoth.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3724
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C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exePECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~5450371027842329440.cmd"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Windows\SYSTEM32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\~5450371027842329440.cmd"3⤵PID:3320
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C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exePECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~9217670087531917068.cmd"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\SYSTEM32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\~9217670087531917068.cmd"3⤵PID:4936
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.3MB
MD5159251e990e200dde94c16ff7dbf76f5
SHA1396d47f36be85379dde12cb5d4f70184d4106665
SHA2563c53ae7f50a0bff6e44443171f9345ad456579e29ec5bb6f33068473b4a26a03
SHA5122fc4e66949291ecde9b67077a58b7fa3f7c4912bd1c92626c1ad67c472f918b43ec5c9492fccd2e4e6df37fff56c7c98f7bb019cdbf535ffad7685ceb84ee8b3
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Filesize
715KB
MD57c4718943bd3f66ebdb47ccca72c7b1e
SHA1f9edfaa7adb8fa528b2e61b2b251f18da10a6969
SHA2564cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc
SHA512e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516
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Filesize
280B
MD542ff656bd4ee3e19a5828940041fdfdb
SHA12e3c7f0fd42dd48b014e82e9e5edf50664ae5698
SHA256b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838
SHA5124ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0
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Filesize
371B
MD5add56cb152aa026cea55fbc27df898f8
SHA1d59e2c9fccc7bd67ae36169a85ab14ce94068461
SHA256631ee56fa2a73bc6d333580c237b3d18663ae269d26073bf1224266fa0b664b0
SHA5127f17831b0e19795cb60c66544a10ae7451bb1d7ffecb0ade1af352ccb360ff177af2be88c381d45f53b34912117fe8ddd64ce485f87f0e2e9f48f18ae939e5c8
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Filesize
16KB
MD5cdce4713e784ae069d73723034a957ff
SHA19a393a6bab6568f1a774fb753353223f11367e09
SHA256b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8
SHA5120a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f
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Filesize
219KB
MD56fa8f3c5e7670094a1f66035bdce541c
SHA1122fcba8f761eb3695a948b68be2cb803a43d903
SHA256f2a8b444d6cc5d3a88d10e5d2388e91a17248a1191d8780c62761bae10574c45
SHA5129e6d3b2d764e2ad716c9246c574af62eec2a6e76f1b95db7c8ac684372e6660a43d8dd2bbcabffe66013ea99612114dea28a62caaef530add20725a230672e67
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Filesize
9KB
MD5523d5c39f9d8d2375c3df68251fa2249
SHA1d4ed365c44bec9246fc1a65a32a7791792647a10
SHA25620e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78
SHA512526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4