Analysis
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max time kernel
150s -
max time network
151s -
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 12:35
Static task
static1
Behavioral task
behavioral1
Sample
8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1.exe
Resource
win7-20240903-en
General
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Target
8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1.exe
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Size
568KB
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MD5
c9c7dadf795bf8d120da474ae7a6ed73
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SHA1
5e45f0e5f51cd8765838686ab148badf1c9df72c
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SHA256
8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1
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SHA512
ae46babaf6a832deaa3e2158e0a5e50faa0144a523c353c1e9faad1a0306ff3755acfed54cb860c90d649c17c6d5b68755027fc85c1383bb64e286953d33b9dd
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SSDEEP
12288:/i2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8ynB:/i2Tro2H2HESq2eWJ6MQjySjynB
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1572-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1572-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1572-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3288-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3288-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3288-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3288-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1928-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1928-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1928-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 10 IoCs
resource yara_rule behavioral2/memory/1572-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1572-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1572-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3288-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3288-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3288-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3288-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1928-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1928-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1928-29-0x0000000010000000-0x00000000101B6000-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 3 IoCs
pid Process 1572 RVN.exe 3288 TXPlatforn.exe 1928 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/1572-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1572-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1572-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1572-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3288-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3288-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3288-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3288-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3288-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1928-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1928-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1928-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 5 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 8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RVN.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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2948 cmd.exe 3372 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3372 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1928 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1572 RVN.exe Token: SeLoadDriverPrivilege 1928 TXPlatforn.exe Token: 33 1928 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1928 TXPlatforn.exe Token: 33 1928 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1928 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 964 8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 964 wrote to memory of 1572 964 8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1.exe 82 PID 964 wrote to memory of 1572 964 8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1.exe 82 PID 964 wrote to memory of 1572 964 8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1.exe 82 PID 1572 wrote to memory of 2948 1572 RVN.exe 84 PID 1572 wrote to memory of 2948 1572 RVN.exe 84 PID 1572 wrote to memory of 2948 1572 RVN.exe 84 PID 3288 wrote to memory of 1928 3288 TXPlatforn.exe 85 PID 3288 wrote to memory of 1928 3288 TXPlatforn.exe 85 PID 3288 wrote to memory of 1928 3288 TXPlatforn.exe 85 PID 2948 wrote to memory of 3372 2948 cmd.exe 87 PID 2948 wrote to memory of 3372 2948 cmd.exe 87 PID 2948 wrote to memory of 3372 2948 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1.exe"C:\Users\Admin\AppData\Local\Temp\8e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:964 -
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:1572 -
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:2948 -
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:3372
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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:3288 -
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:1928
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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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Filesize
568KB
MD5c9c7dadf795bf8d120da474ae7a6ed73
SHA15e45f0e5f51cd8765838686ab148badf1c9df72c
SHA2568e3f6ea449ea50aa62a84bd6fa48f7ab409e20a90d291a4b237b600f5bdd86e1
SHA512ae46babaf6a832deaa3e2158e0a5e50faa0144a523c353c1e9faad1a0306ff3755acfed54cb860c90d649c17c6d5b68755027fc85c1383bb64e286953d33b9dd
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4