Analysis
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max time kernel
150s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
28/08/2023, 20:18
Static task
static1
Behavioral task
behavioral1
Sample
21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe
Resource
win7-20230712-en
General
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Target
21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe
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Size
4.1MB
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MD5
86cd7423598d3ec0099916ef82a21783
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SHA1
440b22ffe4405904fbc97240b24e901ff6bb4175
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SHA256
21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa
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SHA512
ef02e5b9a83ea6edc75ff6ad109394b522f8f458ff17d01cc57c3259674a95eba9b41aee642b68d1e98412bbae8ec4e1598b112d47a27ea1c952715183104493
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SSDEEP
98304:0cy2LkxIEUgAtnf6ijFUGeeDdhnY+MIa/IB:Fy2Lk+E2tnfzjSKDTY+r9B
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2348-14-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2348-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2348-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2952-33-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2952-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2316-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2952-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2952-40-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
resource yara_rule behavioral1/memory/2348-14-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2348-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2316-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2348-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2952-33-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2952-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2316-35-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2952-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2952-40-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
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 2348 RVN.exe 2932 HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 2316 TXPlatforn.exe 2952 TXPlatforn.exe -
Loads dropped DLL 3 IoCs
pid Process 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 2316 TXPlatforn.exe -
resource yara_rule behavioral1/memory/2348-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2348-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2348-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2316-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2348-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2952-33-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2952-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2316-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2952-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2952-40-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
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 -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1820 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2952 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2348 RVN.exe Token: SeLoadDriverPrivilege 2952 TXPlatforn.exe Token: 33 2952 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2952 TXPlatforn.exe Token: 33 2952 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2952 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2076 wrote to memory of 2348 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 28 PID 2076 wrote to memory of 2348 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 28 PID 2076 wrote to memory of 2348 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 28 PID 2076 wrote to memory of 2348 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 28 PID 2076 wrote to memory of 2348 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 28 PID 2076 wrote to memory of 2348 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 28 PID 2076 wrote to memory of 2348 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 28 PID 2076 wrote to memory of 2932 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 29 PID 2076 wrote to memory of 2932 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 29 PID 2076 wrote to memory of 2932 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 29 PID 2076 wrote to memory of 2932 2076 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 29 PID 2348 wrote to memory of 3008 2348 RVN.exe 31 PID 2348 wrote to memory of 3008 2348 RVN.exe 31 PID 2348 wrote to memory of 3008 2348 RVN.exe 31 PID 2348 wrote to memory of 3008 2348 RVN.exe 31 PID 2316 wrote to memory of 2952 2316 TXPlatforn.exe 33 PID 2316 wrote to memory of 2952 2316 TXPlatforn.exe 33 PID 2316 wrote to memory of 2952 2316 TXPlatforn.exe 33 PID 2316 wrote to memory of 2952 2316 TXPlatforn.exe 33 PID 2316 wrote to memory of 2952 2316 TXPlatforn.exe 33 PID 2316 wrote to memory of 2952 2316 TXPlatforn.exe 33 PID 2316 wrote to memory of 2952 2316 TXPlatforn.exe 33 PID 3008 wrote to memory of 1820 3008 cmd.exe 34 PID 3008 wrote to memory of 1820 3008 cmd.exe 34 PID 3008 wrote to memory of 1820 3008 cmd.exe 34 PID 3008 wrote to memory of 1820 3008 cmd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe"C:\Users\Admin\AppData\Local\Temp\21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2076 -
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
PID:2348 -
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
PID:3008 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
PID:1820
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C:\Users\Admin\AppData\Local\Temp\HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exeC:\Users\Admin\AppData\Local\Temp\HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe2⤵
- Executes dropped EXE
PID:2932
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2316 -
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:2952
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe
Filesize3.2MB
MD57b343a9fe02cb6613014e3ad39e8d071
SHA181d1384aa0c255dcb36e31f3cfa5e082bf523ebe
SHA256b7ad8ac875851aaca63c61a847b546b0b1544cc9d107410b71e6209557dec05c
SHA512446eae64b513ae161e07456b8265562680551216b9fed1cd632a3ed636ed2722ff8156b6923d21af9e28944542818f16aad0eda8561e40fd3fcd70c4deec72ee
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Filesize
940KB
MD57b2958136f4aa21d2a1555aa8da063f1
SHA14a82339804bd3deb28fd657c3b8c2b6d3e2b91fe
SHA2561a400900418c14bddf041f95cf06f22e4634745c55eca1251d8be8f0eebca8a7
SHA5127bb2baeb40fde36920133d304f2ed9a0d48ded5d404c104681b70b2496c5ecab8c3b24fd89760d344f5d167f56e6bbc6d3a2f1c30c713126cfe9017ecb5dabdc
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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\Users\Admin\AppData\Local\Temp\HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe
Filesize3.2MB
MD57b343a9fe02cb6613014e3ad39e8d071
SHA181d1384aa0c255dcb36e31f3cfa5e082bf523ebe
SHA256b7ad8ac875851aaca63c61a847b546b0b1544cc9d107410b71e6209557dec05c
SHA512446eae64b513ae161e07456b8265562680551216b9fed1cd632a3ed636ed2722ff8156b6923d21af9e28944542818f16aad0eda8561e40fd3fcd70c4deec72ee
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4