Analysis
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max time kernel
150s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 19:09
Static task
static1
Behavioral task
behavioral1
Sample
a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e.exe
Resource
win7-20240708-en
General
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Target
a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e.exe
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Size
640KB
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MD5
32e19fe92b410b2cae5053a43bffad18
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SHA1
58f3b2799424cc71c0cd1fb49be7d5f51bd1aa74
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SHA256
a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e
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SHA512
11ed8672e39736d72cfa8db7cd6b7e7903930d51fc5d212473d40e24bd3fc121956e1b35bc90384d89517ec47bfbf377fd554a394fba08d41d2cd27960fd63b9
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SSDEEP
12288:Ei2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8yeu:Ei2Tro2H2HESq2eWJ6MQjySjyeu
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4848-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4848-13-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4848-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4264-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4264-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4264-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4264-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3316-27-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3316-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3316-32-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3316-33-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4848-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4848-13-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4848-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4264-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4264-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4264-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4264-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3316-27-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3316-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3316-32-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3316-33-0x0000000010000000-0x00000000101B6000-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 4848 RVN.exe 4264 TXPlatforn.exe 3316 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/4848-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4848-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4848-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4848-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4264-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4264-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4264-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4264-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3316-27-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4264-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3316-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3316-32-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3316-33-0x0000000010000000-0x00000000101B6000-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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RVN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3292 PING.EXE 4320 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3292 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3316 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4848 RVN.exe Token: SeLoadDriverPrivilege 3316 TXPlatforn.exe Token: 33 3316 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3316 TXPlatforn.exe Token: 33 3316 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3316 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2440 a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2440 wrote to memory of 4848 2440 a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e.exe 83 PID 2440 wrote to memory of 4848 2440 a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e.exe 83 PID 2440 wrote to memory of 4848 2440 a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e.exe 83 PID 4848 wrote to memory of 4320 4848 RVN.exe 85 PID 4848 wrote to memory of 4320 4848 RVN.exe 85 PID 4848 wrote to memory of 4320 4848 RVN.exe 85 PID 4264 wrote to memory of 3316 4264 TXPlatforn.exe 87 PID 4264 wrote to memory of 3316 4264 TXPlatforn.exe 87 PID 4264 wrote to memory of 3316 4264 TXPlatforn.exe 87 PID 4320 wrote to memory of 3292 4320 cmd.exe 88 PID 4320 wrote to memory of 3292 4320 cmd.exe 88 PID 4320 wrote to memory of 3292 4320 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e.exe"C:\Users\Admin\AppData\Local\Temp\a03f712682eed0c7d6926124668d2819a4b459a3b7ad3b9f7e86df72bf7fd75e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2440 -
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:4848 -
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:4320 -
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:3292
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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:4264 -
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:3316
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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
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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Filesize
1.0MB
MD5ec9738e3ee046eb4117f7804f42c59c6
SHA18bff7d6b9abe5de6da0f3bbcb9b9e4e760ee63d2
SHA256f098491dc8a91276f2048860ff7eb542d9c3caa4b99567ad7099c90b451bba79
SHA512baab627fe6691ad1ab479f4971057259db789ae7aef629fa4a4a3b083801cf7680ec44e3a089942c6f081cfb6cec99466192cb48998944209c2601157c6feec1