Analysis
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max time kernel
145s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
05-12-2024 14:54
Behavioral task
behavioral1
Sample
fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe
Resource
win7-20241010-en
General
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Target
fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe
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Size
611KB
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MD5
75cdc74befd8c953ee2c022bd8366633
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SHA1
141be71c0beb41ad6e955c0721429bd978f2332b
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SHA256
fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d
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SHA512
057f241e0215c481acb436f6d88e7cbc6eb7b509a6fb63bff993e39f0b64291fddff8867fd81a1115ac9b7ffe402cf45d4092de34435a997a4ccd3431fefdccc
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SSDEEP
12288:nFpuzZSkcBNrl5mTEUkDaSdJfpSaoNRVBUyMCe8VMM80B7qrI3iK1XBwZQ:nFmShDrngEUkDaiJfpSaoNRpMCe8CM8T
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2956-1-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral1/memory/2956-19-0x0000000000400000-0x0000000000585000-memory.dmp purplefox_rootkit behavioral1/memory/1132-20-0x0000000000400000-0x0000000000585000-memory.dmp purplefox_rootkit behavioral1/memory/2884-22-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral1/memory/2884-37-0x0000000000400000-0x0000000000585000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 5 IoCs
resource yara_rule behavioral1/memory/2956-1-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral1/memory/2956-19-0x0000000000400000-0x0000000000585000-memory.dmp family_gh0strat behavioral1/memory/1132-20-0x0000000000400000-0x0000000000585000-memory.dmp family_gh0strat behavioral1/memory/2884-22-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral1/memory/2884-37-0x0000000000400000-0x0000000000585000-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 Gwogw.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" Gwogw.exe -
Deletes itself 1 IoCs
pid Process 2700 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 1132 Gwogw.exe 2884 Gwogw.exe -
Loads dropped DLL 1 IoCs
pid Process 1132 Gwogw.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\Gwogw.exe fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe File opened for modification C:\Windows\SysWOW64\Gwogw.exe fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe -
resource yara_rule behavioral1/memory/2956-0-0x0000000000400000-0x0000000000585000-memory.dmp upx behavioral1/files/0x000a000000012263-9.dat upx behavioral1/memory/2956-19-0x0000000000400000-0x0000000000585000-memory.dmp upx behavioral1/memory/1132-20-0x0000000000400000-0x0000000000585000-memory.dmp upx behavioral1/memory/2884-37-0x0000000000400000-0x0000000000585000-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 fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Gwogw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Gwogw.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2700 cmd.exe 312 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 312 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2884 Gwogw.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2956 fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe Token: SeLoadDriverPrivilege 2884 Gwogw.exe Token: 33 2884 Gwogw.exe Token: SeIncBasePriorityPrivilege 2884 Gwogw.exe Token: 33 2884 Gwogw.exe Token: SeIncBasePriorityPrivilege 2884 Gwogw.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2956 wrote to memory of 2700 2956 fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe 31 PID 2956 wrote to memory of 2700 2956 fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe 31 PID 2956 wrote to memory of 2700 2956 fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe 31 PID 2956 wrote to memory of 2700 2956 fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe 31 PID 1132 wrote to memory of 2884 1132 Gwogw.exe 32 PID 1132 wrote to memory of 2884 1132 Gwogw.exe 32 PID 1132 wrote to memory of 2884 1132 Gwogw.exe 32 PID 1132 wrote to memory of 2884 1132 Gwogw.exe 32 PID 2700 wrote to memory of 312 2700 cmd.exe 34 PID 2700 wrote to memory of 312 2700 cmd.exe 34 PID 2700 wrote to memory of 312 2700 cmd.exe 34 PID 2700 wrote to memory of 312 2700 cmd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe"C:\Users\Admin\AppData\Local\Temp\fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956 -
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\FDA844~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:312
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C:\Windows\SysWOW64\Gwogw.exeC:\Windows\SysWOW64\Gwogw.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\Gwogw.exeC:\Windows\SysWOW64\Gwogw.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2884
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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
611KB
MD575cdc74befd8c953ee2c022bd8366633
SHA1141be71c0beb41ad6e955c0721429bd978f2332b
SHA256fda844b16b91a38417af25d13bd0992c3344de12ebcd0283732a3e0a6e91811d
SHA512057f241e0215c481acb436f6d88e7cbc6eb7b509a6fb63bff993e39f0b64291fddff8867fd81a1115ac9b7ffe402cf45d4092de34435a997a4ccd3431fefdccc