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
09-11-2024 20:36
Static task
static1
Behavioral task
behavioral1
Sample
c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128.exe
Resource
win7-20240903-en
General
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Target
c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128.exe
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Size
576KB
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MD5
d06e4c2592470f44d01a41231ac7d5a9
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SHA1
f1071194f4a2e316848fa9c93f06fff01112b878
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SHA256
c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128
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SHA512
b91db4277477f0eafccc0daf2f09225a938dd88508119edf46c81c40eacd1799969927fa73d0f409c2cc7d7212a7b0256d3fda052119a3b4eb07dc80ac1ef392
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SSDEEP
12288:Li2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8ycEP13:Li2Tro2H2HESq2eWJ6MQjySjyT3
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1908-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1908-12-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1908-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4020-22-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4020-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1576-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4020-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1576-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1576-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4020-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1576-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/1908-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1908-12-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1908-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4020-22-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4020-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1576-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4020-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1576-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1576-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4020-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1576-35-0x0000000010000000-0x00000000101B6000-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 1908 RVN.exe 4020 TXPlatforn.exe 1576 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/1908-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1908-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1908-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1908-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4020-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4020-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4020-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1576-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4020-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1576-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1576-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4020-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1576-35-0x0000000010000000-0x00000000101B6000-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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4172 cmd.exe 5056 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 5056 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1576 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1908 RVN.exe Token: SeLoadDriverPrivilege 1576 TXPlatforn.exe Token: 33 1576 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1576 TXPlatforn.exe Token: 33 1576 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1576 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4740 c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4740 wrote to memory of 1908 4740 c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128.exe 83 PID 4740 wrote to memory of 1908 4740 c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128.exe 83 PID 4740 wrote to memory of 1908 4740 c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128.exe 83 PID 1908 wrote to memory of 4172 1908 RVN.exe 86 PID 1908 wrote to memory of 4172 1908 RVN.exe 86 PID 1908 wrote to memory of 4172 1908 RVN.exe 86 PID 4020 wrote to memory of 1576 4020 TXPlatforn.exe 87 PID 4020 wrote to memory of 1576 4020 TXPlatforn.exe 87 PID 4020 wrote to memory of 1576 4020 TXPlatforn.exe 87 PID 4172 wrote to memory of 5056 4172 cmd.exe 89 PID 4172 wrote to memory of 5056 4172 cmd.exe 89 PID 4172 wrote to memory of 5056 4172 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128.exe"C:\Users\Admin\AppData\Local\Temp\c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4740 -
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:1908 -
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:4172 -
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:5056
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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:4020 -
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:1576
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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
859KB
MD5b5b1e6e08e63c968c79b7dda38085651
SHA11e8eaf3bdbda4130d163a6d6ba9c35be2e071246
SHA2566aff396e8c7dee5ad47b235384aec4fdf29982c92c23097d8dd8269b23f436a9
SHA5128e2df0e205b08d280378db4b1896f6d3aa3ddec334e5a6a7f5e70092a975d391d31cc9ccd6704a92d08b88e47913fc42abce8b2e4ef580c16061491c410bc9b4