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Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
31/12/2024, 02:41
Static task
static1
Behavioral task
behavioral1
Sample
4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe
Resource
win7-20241023-en
General
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Target
4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe
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Size
2.2MB
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MD5
53fdb874f30bc708ba8e801bff7b51c2
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SHA1
58a7dfd4f93021a52145b44c695f5c6fe22ef485
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SHA256
4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1
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SHA512
546da4dac31eea0bd7c8639dda76c38a7f96f0a7e0141ba660f03b68dfdb67082b113b87630e5eb5bd9766c14df75e099e577183f0972d46899b661cc9ac46ae
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SSDEEP
49152:UQZAdVyVT9n/Gg0P+WhovpeMD4FsZPItx2apeapelI:FGdVyVT9nOgmhHLdtUvlI
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2876-12-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2876-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2876-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2744-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2764-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2764-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2744-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2764-32-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2764-41-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 10 IoCs
resource yara_rule behavioral1/memory/2876-12-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2876-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2876-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2744-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2764-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2764-35-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2744-36-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2764-32-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/files/0x000700000001610d-39.dat family_gh0strat behavioral1/memory/2764-41-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe -
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259418820.txt" svchos.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatforn.exe -
Executes dropped EXE 6 IoCs
pid Process 2876 svchost.exe 2744 TXPlatforn.exe 2764 TXPlatforn.exe 2628 svchos.exe 1912 HD_4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 2616 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 8 IoCs
pid Process 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 2744 TXPlatforn.exe 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 2628 svchos.exe 1852 svchost.exe 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 1852 svchost.exe 2616 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File created C:\Windows\SysWOW64\TXPlatforn.exe svchost.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe svchost.exe File created C:\Windows\SysWOW64\259418820.txt svchos.exe File opened for modification C:\Windows\SysWOW64\ini.ini svchos.exe -
resource yara_rule behavioral1/memory/2876-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2876-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2876-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2876-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2744-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2764-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2764-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2744-36-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2764-32-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2764-41-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.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 8 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2676 cmd.exe 2632 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2632 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2764 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2876 svchost.exe Token: SeLoadDriverPrivilege 2764 TXPlatforn.exe Token: 33 2764 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2764 TXPlatforn.exe Token: 33 2764 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2764 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2836 wrote to memory of 2876 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 30 PID 2836 wrote to memory of 2876 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 30 PID 2836 wrote to memory of 2876 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 30 PID 2836 wrote to memory of 2876 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 30 PID 2836 wrote to memory of 2876 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 30 PID 2836 wrote to memory of 2876 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 30 PID 2836 wrote to memory of 2876 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 30 PID 2744 wrote to memory of 2764 2744 TXPlatforn.exe 32 PID 2744 wrote to memory of 2764 2744 TXPlatforn.exe 32 PID 2744 wrote to memory of 2764 2744 TXPlatforn.exe 32 PID 2744 wrote to memory of 2764 2744 TXPlatforn.exe 32 PID 2744 wrote to memory of 2764 2744 TXPlatforn.exe 32 PID 2744 wrote to memory of 2764 2744 TXPlatforn.exe 32 PID 2744 wrote to memory of 2764 2744 TXPlatforn.exe 32 PID 2876 wrote to memory of 2676 2876 svchost.exe 33 PID 2876 wrote to memory of 2676 2876 svchost.exe 33 PID 2876 wrote to memory of 2676 2876 svchost.exe 33 PID 2876 wrote to memory of 2676 2876 svchost.exe 33 PID 2836 wrote to memory of 2628 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 35 PID 2836 wrote to memory of 2628 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 35 PID 2836 wrote to memory of 2628 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 35 PID 2836 wrote to memory of 2628 2836 4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe 35 PID 2676 wrote to memory of 2632 2676 cmd.exe 36 PID 2676 wrote to memory of 2632 2676 cmd.exe 36 PID 2676 wrote to memory of 2632 2676 cmd.exe 36 PID 2676 wrote to memory of 2632 2676 cmd.exe 36 PID 1852 wrote to memory of 2616 1852 svchost.exe 40 PID 1852 wrote to memory of 2616 1852 svchost.exe 40 PID 1852 wrote to memory of 2616 1852 svchost.exe 40 PID 1852 wrote to memory of 2616 1852 svchost.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe"C:\Users\Admin\AppData\Local\Temp\4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\\svchost.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876 -
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\svchost.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2632
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C:\Users\Admin\AppData\Local\Temp\svchos.exeC:\Users\Admin\AppData\Local\Temp\\svchos.exe2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2628
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C:\Users\Admin\AppData\Local\Temp\HD_4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exeC:\Users\Admin\AppData\Local\Temp\HD_4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe2⤵
- Executes dropped EXE
PID:1912
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744 -
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
PID:2764
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:632
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259418820.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2616
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
1.5MB
MD5e32ddc975922b55fff47bf0b43393975
SHA17dc4f98d951ee560f3b75e02a66e9d908fa708c7
SHA2567c927603916abeebe91d9afc1367c4a64ad5061badcd8d4801e022e978c51678
SHA512b4b3a9752717098a89d4617119993aaeb7f91ef4b7366894fd58c1bf3a4a4217253ad43255189b45ac1abea2f4d68702a6d9af3321bdff616c6d300aaeea03c5
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\Users\Admin\AppData\Local\Temp\HD_4d3a77c04a4dd71acaec9a5ac47c5c9b7885b70c911d3e79f5377f4270c4c1d1.exe
Filesize645KB
MD500eae789b0aab1b0fbd23b830fbf1064
SHA1e4e5fd089f6ae17c83f073cf91edc9db8189980d
SHA2567addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7
SHA51223a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb
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Filesize
93KB
MD53b377ad877a942ec9f60ea285f7119a2
SHA160b23987b20d913982f723ab375eef50fafa6c70
SHA25662954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
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Filesize
377KB
MD5a4329177954d4104005bce3020e5ef59
SHA123c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA2566156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA51281e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
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Filesize
50KB
MD5c080ecf478f9540387ec98a80e791daa
SHA113d029bbbc3e5e07d47c5ec50616348ab851cc77
SHA256cc46919f3c73eb3b7a8b0d210cf63060cb22ee5268a2bdc1c0503cdb6a315667
SHA5123c0a38bef3981c92db2b0258010c0fa40e0f52bba22364291a6107ff44dcb3dabbdb3c28bec005ebca44d35e3751e1549ccb390d845aba19f0e76ba15eed8a1a
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d