Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-01-2025 12:36
Behavioral task
behavioral1
Sample
8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe
Resource
win7-20240729-en
General
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Target
8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe
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Size
987KB
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MD5
93475d0561addd6f595b65068d66db81
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SHA1
f508c11d07273377959b54483772cfe309fb0de2
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SHA256
8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e
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SHA512
4615930757bb2c17d36c82b26ff73d46fdab7e5d41a82a8128b91ad0a249af718b0ec80cdd1bc6195398ad16475134a7da27f5f04f93c72a953004ed70d56ae8
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SSDEEP
24576:ri2Tro2H2HESq2eWJ6MQjySjykflSLVpA+2tlZ+J:rxTc2H2tFvduyStwA+wZ+J
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4412-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4412-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4412-12-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/392-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/392-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/392-22-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/392-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2252-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2252-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2252-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4412-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4412-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4412-12-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/392-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/392-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2252-27-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/392-22-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/392-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2252-31-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2252-35-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2252-36-0x0000000010000000-0x00000000101B6000-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 -
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 4 IoCs
pid Process 4412 RVN.exe 4592 HD_8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe 392 TXPlatforn.exe 2252 TXPlatforn.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
resource yara_rule behavioral2/memory/4412-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4412-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4412-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4412-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/392-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/392-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2252-27-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/392-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/392-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/392-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2252-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2252-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2252-36-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 6 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 RVN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HD_8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1420 PING.EXE 3792 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1420 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2192 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe 2192 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2252 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4412 RVN.exe Token: SeLoadDriverPrivilege 2252 TXPlatforn.exe Token: 33 2252 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2252 TXPlatforn.exe Token: 33 2252 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2252 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2192 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2192 wrote to memory of 4412 2192 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe 83 PID 2192 wrote to memory of 4412 2192 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe 83 PID 2192 wrote to memory of 4412 2192 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe 83 PID 2192 wrote to memory of 4592 2192 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe 84 PID 2192 wrote to memory of 4592 2192 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe 84 PID 2192 wrote to memory of 4592 2192 8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe 84 PID 4412 wrote to memory of 3792 4412 RVN.exe 87 PID 4412 wrote to memory of 3792 4412 RVN.exe 87 PID 4412 wrote to memory of 3792 4412 RVN.exe 87 PID 392 wrote to memory of 2252 392 TXPlatforn.exe 88 PID 392 wrote to memory of 2252 392 TXPlatforn.exe 88 PID 392 wrote to memory of 2252 392 TXPlatforn.exe 88 PID 3792 wrote to memory of 1420 3792 cmd.exe 90 PID 3792 wrote to memory of 1420 3792 cmd.exe 90 PID 3792 wrote to memory of 1420 3792 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe"C:\Users\Admin\AppData\Local\Temp\8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Users\Admin\AppData\Local\Temp\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4412 -
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⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3792 -
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:1420
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C:\Users\Admin\AppData\Local\Temp\HD_8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exeC:\Users\Admin\AppData\Local\Temp\HD_8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4592
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:392 -
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:2252
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_8c322abcd9683042881d4b3ade54177b09eb93b5226d39bd1d4cc4fa0d70904e.exe
Filesize415KB
MD58908f3d71d1230ca4fd5c6b93b7acbc1
SHA162ef5944b343e4c522aa1c91cfa6d3336a5eaaed
SHA25619c4d730f6d9331f1e22daf18066424261400f7f56aa146313e34891459cca64
SHA5123f2e21f538fb3dd9e0486c5ca06cb28774533caf841592ae1958f1f5c2798522b1357e9221d6efa77d6cc35d5728c24d17edad84614ae7386ddf293cdc33d4db
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Filesize
572KB
MD5c674fd588c94466586bbf83c4d069265
SHA1557c42418f05f80cf9c808bb71a0dc740cbe50b8
SHA256d466b49b23c79b098ea54dcfcafb87bf36650baa3135f8b1c34c30000003a6c6
SHA51212085c9d2d17b0a2ad8c1764da9ea9f7aebc7b9722a3267fa57c76c670b5f099f5039a80d72217ef4ad932a477d749ba50d044c76d25acf4dfe01e631f7dd660
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4