Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 19:51
Static task
static1
Behavioral task
behavioral1
Sample
a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe
Resource
win7-20240220-en
General
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Target
a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe
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Size
1.3MB
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MD5
0a3d6dd2012f69d73f54efae7435bb26
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SHA1
0047c26fd0e361c63afda409cf16080dc5f1f4be
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SHA256
a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9
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SHA512
4c4b6bb587aff9fe29f6a9916a4bcb55e3f493680be5aed67f3c6b44768b9db1cb802354e3138bbdfebc6474c0bd467f06e45fbe3011e989c89c1258f4fd9a8c
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SSDEEP
24576:l09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+mC:l09XJt4HIN2H2tFvduySP
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/4612-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4612-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4612-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3876-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3876-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3876-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3876-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3576-47-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3576-49-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3576-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3576-52-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
Processes:
resource yara_rule behavioral2/memory/4612-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4612-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4612-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3876-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3876-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3876-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3876-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3576-47-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3576-49-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3576-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3576-52-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
Processes:
TXPlatforn.exedescription ioc process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
TXPlatforn.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatforn.exe -
Executes dropped EXE 3 IoCs
Processes:
RVN.exeTXPlatforn.exeTXPlatforn.exepid process 4612 RVN.exe 3876 TXPlatforn.exe 3576 TXPlatforn.exe -
Processes:
resource yara_rule behavioral2/memory/4612-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4612-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4612-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4612-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3876-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3876-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3876-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3876-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3576-47-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3576-49-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3576-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3576-52-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3876-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
Processes:
RVN.exedescription ioc process File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
Drops file in Program Files directory 5 IoCs
Processes:
a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exedescription ioc process File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatforn.exepid process 3576 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
RVN.exeTXPlatforn.exedescription pid process Token: SeIncBasePriorityPrivilege 4612 RVN.exe Token: SeLoadDriverPrivilege 3576 TXPlatforn.exe Token: 33 3576 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3576 TXPlatforn.exe Token: 33 3576 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3576 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exepid process 3692 a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe 3692 a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exeRVN.exeTXPlatforn.execmd.exedescription pid process target process PID 3692 wrote to memory of 4612 3692 a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe RVN.exe PID 3692 wrote to memory of 4612 3692 a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe RVN.exe PID 3692 wrote to memory of 4612 3692 a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe RVN.exe PID 4612 wrote to memory of 3684 4612 RVN.exe cmd.exe PID 4612 wrote to memory of 3684 4612 RVN.exe cmd.exe PID 4612 wrote to memory of 3684 4612 RVN.exe cmd.exe PID 3876 wrote to memory of 3576 3876 TXPlatforn.exe TXPlatforn.exe PID 3876 wrote to memory of 3576 3876 TXPlatforn.exe TXPlatforn.exe PID 3876 wrote to memory of 3576 3876 TXPlatforn.exe TXPlatforn.exe PID 3684 wrote to memory of 4492 3684 cmd.exe PING.EXE PID 3684 wrote to memory of 4492 3684 cmd.exe PING.EXE PID 3684 wrote to memory of 4492 3684 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe"C:\Users\Admin\AppData\Local\Temp\a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_X.datFilesize
1.3MB
MD50a3d6dd2012f69d73f54efae7435bb26
SHA10047c26fd0e361c63afda409cf16080dc5f1f4be
SHA256a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9
SHA5124c4b6bb587aff9fe29f6a9916a4bcb55e3f493680be5aed67f3c6b44768b9db1cb802354e3138bbdfebc6474c0bd467f06e45fbe3011e989c89c1258f4fd9a8c
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C:\Users\Admin\AppData\Local\Temp\RVN.exeFilesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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memory/3576-52-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3576-24-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3576-49-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3576-47-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3876-16-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3876-17-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3876-25-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3876-15-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3876-13-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4612-6-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4612-10-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4612-7-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4612-4-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB