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Analysis
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max time kernel
150s -
max time network
146s -
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
Static task
static1
Behavioral task
behavioral1
Sample
3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe
Resource
win7-20240903-en
General
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Target
3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe
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Size
975KB
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MD5
54d61a703720b48432bef766536e7d31
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SHA1
40e04b682ec1f9d36dccde7f85642a1eaf0fcd19
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SHA256
3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1
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SHA512
5e6294d98f5e38e7f74c2c95b1f14795517464e721f1b32d10fef27f330df60d5e2266cace94e94a3c98a39309ac53a720561cfebb6c359b6ba2dd755b7f7a04
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SSDEEP
24576:ri2Tro2H2HESq2eWJ6MQjySjyklLRcU+aCvn0UtZ8aBh+mXZNt5:rxTc2H2tFvduyStb+a8Bh+mbt5
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4868-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4868-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4868-12-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2344-22-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2344-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3996-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2344-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2344-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3996-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3996-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3996-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4868-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4868-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4868-12-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2344-22-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2344-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3996-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2344-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2344-31-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3996-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3996-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3996-36-0x0000000010000000-0x00000000101B6000-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 4868 RVN.exe 2904 HD_3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe 2344 TXPlatforn.exe 3996 TXPlatforn.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
resource yara_rule behavioral2/memory/4868-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4868-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4868-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4868-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2344-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2344-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3996-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2344-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2344-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2344-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3996-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3996-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3996-36-0x0000000010000000-0x00000000101B6000-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_3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.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 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4056 cmd.exe 1560 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1560 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4564 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe 4564 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3996 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4868 RVN.exe Token: SeLoadDriverPrivilege 3996 TXPlatforn.exe Token: 33 3996 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3996 TXPlatforn.exe Token: 33 3996 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3996 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4564 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4564 wrote to memory of 4868 4564 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe 83 PID 4564 wrote to memory of 4868 4564 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe 83 PID 4564 wrote to memory of 4868 4564 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe 83 PID 4564 wrote to memory of 2904 4564 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe 84 PID 4564 wrote to memory of 2904 4564 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe 84 PID 4564 wrote to memory of 2904 4564 3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe 84 PID 4868 wrote to memory of 4056 4868 RVN.exe 87 PID 4868 wrote to memory of 4056 4868 RVN.exe 87 PID 4868 wrote to memory of 4056 4868 RVN.exe 87 PID 2344 wrote to memory of 3996 2344 TXPlatforn.exe 88 PID 2344 wrote to memory of 3996 2344 TXPlatforn.exe 88 PID 2344 wrote to memory of 3996 2344 TXPlatforn.exe 88 PID 4056 wrote to memory of 1560 4056 cmd.exe 90 PID 4056 wrote to memory of 1560 4056 cmd.exe 90 PID 4056 wrote to memory of 1560 4056 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe"C:\Users\Admin\AppData\Local\Temp\3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4564 -
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:4868 -
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:4056 -
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:1560
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C:\Users\Admin\AppData\Local\Temp\HD_3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exeC:\Users\Admin\AppData\Local\Temp\HD_3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2904
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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:2344 -
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:3996
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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_3239a0a1b1511fa0aab19f68e9c89232d338246d9aae073d589ceacdb823c5c1.exe
Filesize403KB
MD546e3f04a15caa379dcaad99b1ba41f95
SHA159097d53939aeb9b68429dd725399216da777805
SHA256d95f8415e3a9dbf1f9a2368f3417db66e2a8650fede21bdc641af0ab420bff15
SHA5124e1d647a6d6ef6f485c6d9de72eabd0a63eba378a1ad93cab0b0e4b2fc23fd869373fd7d6926e77cdcae58f5c967926ec016a504e0bafd3300af882d898a0893
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Filesize
572KB
MD5c674fd588c94466586bbf83c4d069265
SHA1557c42418f05f80cf9c808bb71a0dc740cbe50b8
SHA256d466b49b23c79b098ea54dcfcafb87bf36650baa3135f8b1c34c30000003a6c6
SHA51212085c9d2d17b0a2ad8c1764da9ea9f7aebc7b9722a3267fa57c76c670b5f099f5039a80d72217ef4ad932a477d749ba50d044c76d25acf4dfe01e631f7dd660
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4