Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-12-2024 15:15
Static task
static1
Behavioral task
behavioral1
Sample
e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
Resource
win7-20240903-en
General
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Target
e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
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Size
4.5MB
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MD5
cd3d25662e9ddf01496912978b105c53
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SHA1
99407060ddb0b0a33148081f0eda7ca98f88a925
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SHA256
e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04
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SHA512
90eb6ef7ac2d0763a28c98fb5cd8a1afb7e2eeb0c013aa5ee4807385477d5922daf4945de3d0c6a74b3edfcb2643cc70e8e664411aebd7041dbd96394f29419e
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SSDEEP
49152:H09XJt4HIN2H2tFvduySIbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8R:UZJt4HINy2LkIbXsPN5kiQaZ56
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4104-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4104-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4104-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3036-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3036-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3036-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3036-22-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3868-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3868-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3868-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3868-33-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4104-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4104-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4104-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3036-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3036-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3036-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3036-22-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3868-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3868-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3868-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3868-33-0x0000000010000000-0x00000000101B6000-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 4 IoCs
pid Process 4104 RVN.exe 3036 TXPlatforn.exe 3868 TXPlatforn.exe 1548 HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.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/4104-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4104-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4104-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4104-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3036-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3036-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3036-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3036-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3036-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3868-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3868-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3868-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3868-33-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2216 cmd.exe 4288 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4288 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3868 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4104 RVN.exe Token: SeLoadDriverPrivilege 3868 TXPlatforn.exe Token: 33 3868 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3868 TXPlatforn.exe Token: 33 3868 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3868 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1748 wrote to memory of 4104 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe 83 PID 1748 wrote to memory of 4104 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe 83 PID 1748 wrote to memory of 4104 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe 83 PID 3036 wrote to memory of 3868 3036 TXPlatforn.exe 85 PID 3036 wrote to memory of 3868 3036 TXPlatforn.exe 85 PID 3036 wrote to memory of 3868 3036 TXPlatforn.exe 85 PID 4104 wrote to memory of 2216 4104 RVN.exe 86 PID 4104 wrote to memory of 2216 4104 RVN.exe 86 PID 4104 wrote to memory of 2216 4104 RVN.exe 86 PID 1748 wrote to memory of 1548 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe 88 PID 1748 wrote to memory of 1548 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe 88 PID 1748 wrote to memory of 1548 1748 e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe 88 PID 2216 wrote to memory of 4288 2216 cmd.exe 89 PID 2216 wrote to memory of 4288 2216 cmd.exe 89 PID 2216 wrote to memory of 4288 2216 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe"C:\Users\Admin\AppData\Local\Temp\e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1748 -
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:4104 -
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:2216 -
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:4288
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C:\Users\Admin\AppData\Local\Temp\HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exeC:\Users\Admin\AppData\Local\Temp\HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1548
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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:3036 -
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:3868
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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
1.4MB
MD543150a08486d2a3f5fbe198d2bb862ad
SHA1f2901d03817c78e36d9498bbbc8787769fa4be42
SHA25687e98c4df1ff8d283a781683f60cc703fff75b79ef254431340d6d97a4b32d50
SHA512d6f1a427e666e3b57eb1c1c643029696e5cc44c7bace3f28389cec683408425d95fab0ed8ffa4d716615b033b166430da6f7a24890218c0899bef1a311eef0a7
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C:\Users\Admin\AppData\Local\Temp\HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
Filesize3.1MB
MD5fb083acd60fe5c3156dc25442be815e3
SHA161df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA256f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
SHA5127147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4