Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-11-2024 17:16
Static task
static1
Behavioral task
behavioral1
Sample
7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exe
Resource
win7-20241010-en
General
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Target
7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exe
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Size
604KB
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MD5
bf140ac34ef140265a23a0a4425ecf87
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SHA1
5d9b27317904286f6b6cfe2673cf61b4aaf76758
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SHA256
7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89
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SHA512
38ecd2a78427fbcf9f80b9a0c762f52a7d7858d7c9e7421ed3c70df7e1d69df5e6234b029105f2172a1f04538e98a1978b2409b28b023e1c89cfae8a4e074d57
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SSDEEP
12288:wi2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8yZng87nI:wi2Tro2H2HESq2eWJ6MQjySjyN17I
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/2700-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2700-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2700-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2320-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2320-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2168-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2320-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2320-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2168-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2168-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2168-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
Processes:
resource yara_rule behavioral2/memory/2700-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2700-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2700-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2320-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2320-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2168-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2320-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2320-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2168-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2168-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2168-31-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
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 2700 RVN.exe 2320 TXPlatforn.exe 2168 TXPlatforn.exe -
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 -
Processes:
resource yara_rule behavioral2/memory/2700-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2700-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2700-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2700-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2320-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2320-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2168-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2320-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2320-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2320-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2168-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2168-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2168-31-0x0000000010000000-0x00000000101B6000-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.
Processes:
7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exeRVN.exeTXPlatforn.execmd.exePING.EXEdescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.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.
Processes:
PING.EXEcmd.exepid process 4060 PING.EXE 4284 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatforn.exepid process 2168 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
RVN.exeTXPlatforn.exedescription pid process Token: SeIncBasePriorityPrivilege 2700 RVN.exe Token: SeLoadDriverPrivilege 2168 TXPlatforn.exe Token: 33 2168 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2168 TXPlatforn.exe Token: 33 2168 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2168 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exepid process 756 7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exeRVN.exeTXPlatforn.execmd.exedescription pid process target process PID 756 wrote to memory of 2700 756 7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exe RVN.exe PID 756 wrote to memory of 2700 756 7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exe RVN.exe PID 756 wrote to memory of 2700 756 7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exe RVN.exe PID 2700 wrote to memory of 4284 2700 RVN.exe cmd.exe PID 2700 wrote to memory of 4284 2700 RVN.exe cmd.exe PID 2700 wrote to memory of 4284 2700 RVN.exe cmd.exe PID 2320 wrote to memory of 2168 2320 TXPlatforn.exe TXPlatforn.exe PID 2320 wrote to memory of 2168 2320 TXPlatforn.exe TXPlatforn.exe PID 2320 wrote to memory of 2168 2320 TXPlatforn.exe TXPlatforn.exe PID 4284 wrote to memory of 4060 4284 cmd.exe PING.EXE PID 4284 wrote to memory of 4060 4284 cmd.exe PING.EXE PID 4284 wrote to memory of 4060 4284 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exe"C:\Users\Admin\AppData\Local\Temp\7666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:756 -
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:2700 -
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:4284 -
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:4060
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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:2320 -
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:2168
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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
604KB
MD5bf140ac34ef140265a23a0a4425ecf87
SHA15d9b27317904286f6b6cfe2673cf61b4aaf76758
SHA2567666b34895ba022e7cdcb9fe2b87f3c6d188679b65ecdbf41b9e266a5172ca89
SHA51238ecd2a78427fbcf9f80b9a0c762f52a7d7858d7c9e7421ed3c70df7e1d69df5e6234b029105f2172a1f04538e98a1978b2409b28b023e1c89cfae8a4e074d57
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4