Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-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 behavioral2/memory/1508-12-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1508-14-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1508-13-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2968-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2968-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2968-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1508-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1056-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1056-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1056-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/1508-12-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1508-14-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1508-13-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2968-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2968-22-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2968-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2968-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1508-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1056-31-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1056-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1056-36-0x0000000010000000-0x00000000101B6000-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 1508 RVN.exe 2488 HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 2968 TXPlatforn.exe 1056 TXPlatforn.exe -
resource yara_rule behavioral2/memory/1508-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1508-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1508-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1508-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2968-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2968-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2968-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2968-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2968-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1508-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1056-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1056-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1056-36-0x0000000010000000-0x00000000101B6000-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 3816 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2140 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 2140 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1056 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1508 RVN.exe Token: SeLoadDriverPrivilege 1056 TXPlatforn.exe Token: 33 1056 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1056 TXPlatforn.exe Token: 33 1056 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1056 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2140 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2140 wrote to memory of 1508 2140 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 80 PID 2140 wrote to memory of 1508 2140 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 80 PID 2140 wrote to memory of 1508 2140 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 80 PID 2140 wrote to memory of 2488 2140 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 81 PID 2140 wrote to memory of 2488 2140 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 81 PID 2140 wrote to memory of 2488 2140 21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe 81 PID 1508 wrote to memory of 2128 1508 RVN.exe 83 PID 1508 wrote to memory of 2128 1508 RVN.exe 83 PID 1508 wrote to memory of 2128 1508 RVN.exe 83 PID 2968 wrote to memory of 1056 2968 TXPlatforn.exe 84 PID 2968 wrote to memory of 1056 2968 TXPlatforn.exe 84 PID 2968 wrote to memory of 1056 2968 TXPlatforn.exe 84 PID 2128 wrote to memory of 3816 2128 cmd.exe 86 PID 2128 wrote to memory of 3816 2128 cmd.exe 86 PID 2128 wrote to memory of 3816 2128 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe"C:\Users\Admin\AppData\Local\Temp\21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140 -
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:1508 -
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:2128 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
PID:3816
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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:2488
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2968 -
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:1056
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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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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