Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
30-05-2024 02:11
Static task
static1
Behavioral task
behavioral1
Sample
1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe
Resource
win7-20240221-en
General
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Target
1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe
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Size
4.5MB
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MD5
997be0c4aa69f9d497d76aa06170a4a4
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SHA1
d3ced3bc3394eaee9f720b204e7aa5fcf49b7a60
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SHA256
1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0
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SHA512
029e3898a7c45d57ddea4ad7b5463933551af1fb67b9c73a66c37f73ae9d023475ebd04cfe546ac30081ce3866c1b693f72484ba2cb2f35929d44f224355726c
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SSDEEP
49152:A09XJt4HIN2H2tFvduySF2bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8bU:FZJt4HINy2LkF2bXsPN5kiQaZ56
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/2184-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2184-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2184-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2244-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2240-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2240-27-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2240-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2240-71-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
Processes:
resource yara_rule behavioral1/memory/2184-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2184-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2184-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2244-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2240-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2240-27-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2240-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2240-71-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
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 4 IoCs
Processes:
RVN.exeTXPlatforn.exeTXPlatforn.exeHD_1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exepid process 2184 RVN.exe 2244 TXPlatforn.exe 2240 TXPlatforn.exe 3000 HD_1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe -
Loads dropped DLL 3 IoCs
Processes:
1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exeTXPlatforn.exepid process 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe 2244 TXPlatforn.exe 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe -
Processes:
resource yara_rule behavioral1/memory/2184-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2184-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2184-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2184-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2244-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2240-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2240-27-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2240-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2240-71-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
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 -
Drops file in Program Files directory 4 IoCs
Processes:
1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exedescription ioc process File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exepid process 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatforn.exepid process 2240 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
RVN.exeTXPlatforn.exedescription pid process Token: SeIncBasePriorityPrivilege 2184 RVN.exe Token: SeLoadDriverPrivilege 2240 TXPlatforn.exe Token: 33 2240 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2240 TXPlatforn.exe Token: 33 2240 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2240 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exepid process 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exeRVN.exeTXPlatforn.execmd.exedescription pid process target process PID 1152 wrote to memory of 2184 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe RVN.exe PID 1152 wrote to memory of 2184 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe RVN.exe PID 1152 wrote to memory of 2184 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe RVN.exe PID 1152 wrote to memory of 2184 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe RVN.exe PID 1152 wrote to memory of 2184 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe RVN.exe PID 1152 wrote to memory of 2184 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe RVN.exe PID 1152 wrote to memory of 2184 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe RVN.exe PID 2184 wrote to memory of 2876 2184 RVN.exe cmd.exe PID 2184 wrote to memory of 2876 2184 RVN.exe cmd.exe PID 2184 wrote to memory of 2876 2184 RVN.exe cmd.exe PID 2184 wrote to memory of 2876 2184 RVN.exe cmd.exe PID 2244 wrote to memory of 2240 2244 TXPlatforn.exe TXPlatforn.exe PID 2244 wrote to memory of 2240 2244 TXPlatforn.exe TXPlatforn.exe PID 2244 wrote to memory of 2240 2244 TXPlatforn.exe TXPlatforn.exe PID 2244 wrote to memory of 2240 2244 TXPlatforn.exe TXPlatforn.exe PID 2244 wrote to memory of 2240 2244 TXPlatforn.exe TXPlatforn.exe PID 2244 wrote to memory of 2240 2244 TXPlatforn.exe TXPlatforn.exe PID 2244 wrote to memory of 2240 2244 TXPlatforn.exe TXPlatforn.exe PID 1152 wrote to memory of 3000 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe HD_1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe PID 1152 wrote to memory of 3000 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe HD_1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe PID 1152 wrote to memory of 3000 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe HD_1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe PID 1152 wrote to memory of 3000 1152 1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe HD_1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe PID 2876 wrote to memory of 2412 2876 cmd.exe PING.EXE PID 2876 wrote to memory of 2412 2876 cmd.exe PING.EXE PID 2876 wrote to memory of 2412 2876 cmd.exe PING.EXE PID 2876 wrote to memory of 2412 2876 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe"C:\Users\Admin\AppData\Local\Temp\1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\HD_1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exeC:\Users\Admin\AppData\Local\Temp\HD_1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exe2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_1a7d5571b29092a5bd71657b0a554d22982f4bbdd90c4a4accc5d5752f4d2eb0.exeFilesize
3.1MB
MD5fb083acd60fe5c3156dc25442be815e3
SHA161df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA256f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
SHA5127147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
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C:\Users\Admin\AppData\Local\Temp\HD_X.datFilesize
1.4MB
MD5eaff56f7d3985b8224f0c1a533360859
SHA1924ea13c74f111546a2c27e5419705039dd48618
SHA256a9fb0d7a682352e2481f33a62495bf20fe517378585effc7ddb154a15094e636
SHA51224db4e8600cec078d69cd49a5800a58bcc550cbee27f1e26927e496b904717eab5a58d64c86d4c6bedd901072710beac5dda362abb7a129b6b5ccefe9094d5fb
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\Users\Admin\AppData\Local\Temp\RVN.exeFilesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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memory/2184-5-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2184-8-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2184-9-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2184-7-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2240-34-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2240-27-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2240-38-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2240-71-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2244-28-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB