Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
22/08/2023, 23:51
Static task
static1
Behavioral task
behavioral1
Sample
0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe
Resource
win7-20230712-en
General
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Target
0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe
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Size
650KB
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MD5
6d72ac00f34dbfb96c0d0db01248d409
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SHA1
43c0b5e6c8d718aa8c4b654108e9cd8706933c0e
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SHA256
0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1
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SHA512
893e028383e7bce049d45a1a3c495a0e374a0f541393e1dda9275e4794e9e058169c8027e6374cd60281d71ecf71da809a96bbf75ccf12afa0ef63982439af13
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SSDEEP
12288:mutTZV/qb9ylN28aE2GThX8xb8paF/4esnMzIiTe:BNZEbCfCGTqxdF/IViTe
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2676-55-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/2676-57-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/2676-71-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/1440-76-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/1876-73-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/1440-77-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/1440-80-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/1440-82-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 10 IoCs
resource yara_rule behavioral1/memory/2676-55-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/2676-56-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/2676-57-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/1876-65-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/2676-71-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/1440-76-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/1876-73-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/1440-77-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/1440-80-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/1440-82-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys Jbcdt.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" Jbcdt.exe -
Deletes itself 1 IoCs
pid Process 1520 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 1876 Jbcdt.exe 1440 Jbcdt.exe -
Loads dropped DLL 1 IoCs
pid Process 1876 Jbcdt.exe -
resource yara_rule behavioral1/memory/2676-53-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2676-55-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2676-56-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2676-57-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/1876-65-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2676-71-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/1440-76-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/1876-73-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/1440-77-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/1440-80-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/1440-82-0x0000000010000000-0x00000000101BA000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\Jbcdt.exe 0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe File opened for modification C:\Windows\SysWOW64\Jbcdt.exe 0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2196 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1440 Jbcdt.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2676 0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe Token: SeLoadDriverPrivilege 1440 Jbcdt.exe Token: 33 1440 Jbcdt.exe Token: SeIncBasePriorityPrivilege 1440 Jbcdt.exe Token: 33 1440 Jbcdt.exe Token: SeIncBasePriorityPrivilege 1440 Jbcdt.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2676 wrote to memory of 1520 2676 0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe 29 PID 2676 wrote to memory of 1520 2676 0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe 29 PID 2676 wrote to memory of 1520 2676 0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe 29 PID 2676 wrote to memory of 1520 2676 0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe 29 PID 1876 wrote to memory of 1440 1876 Jbcdt.exe 30 PID 1876 wrote to memory of 1440 1876 Jbcdt.exe 30 PID 1876 wrote to memory of 1440 1876 Jbcdt.exe 30 PID 1876 wrote to memory of 1440 1876 Jbcdt.exe 30 PID 1876 wrote to memory of 1440 1876 Jbcdt.exe 30 PID 1876 wrote to memory of 1440 1876 Jbcdt.exe 30 PID 1876 wrote to memory of 1440 1876 Jbcdt.exe 30 PID 1520 wrote to memory of 2196 1520 cmd.exe 32 PID 1520 wrote to memory of 2196 1520 cmd.exe 32 PID 1520 wrote to memory of 2196 1520 cmd.exe 32 PID 1520 wrote to memory of 2196 1520 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe"C:\Users\Admin\AppData\Local\Temp\0575c396843f6701ad18dcb27fa352e9cfe8d85bebd3507e019a343223038ca1.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2676 -
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\0575C3~1.EXE > nul2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
PID:2196
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C:\Windows\SysWOW64\Jbcdt.exeC:\Windows\SysWOW64\Jbcdt.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\SysWOW64\Jbcdt.exeC:\Windows\SysWOW64\Jbcdt.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1440
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.6MB
MD51621e7cc411c8a27adad7fd2afe1485c
SHA141c07add4edf52b22416b20904edc2ef315d2397
SHA25621e07fac3743ecd6a33b6b2e1521e1852884281e833f8bead4b046f87aef4a49
SHA5120de1b4590744dc10ffec2dc6183469805485f37ba3ccf2f0102b04c27546e3ee260b9c63062f895122365c36df2203f792f6b5f24d5e590a402fbbe43124e7e2
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Filesize
2.6MB
MD51621e7cc411c8a27adad7fd2afe1485c
SHA141c07add4edf52b22416b20904edc2ef315d2397
SHA25621e07fac3743ecd6a33b6b2e1521e1852884281e833f8bead4b046f87aef4a49
SHA5120de1b4590744dc10ffec2dc6183469805485f37ba3ccf2f0102b04c27546e3ee260b9c63062f895122365c36df2203f792f6b5f24d5e590a402fbbe43124e7e2
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Filesize
2.6MB
MD51621e7cc411c8a27adad7fd2afe1485c
SHA141c07add4edf52b22416b20904edc2ef315d2397
SHA25621e07fac3743ecd6a33b6b2e1521e1852884281e833f8bead4b046f87aef4a49
SHA5120de1b4590744dc10ffec2dc6183469805485f37ba3ccf2f0102b04c27546e3ee260b9c63062f895122365c36df2203f792f6b5f24d5e590a402fbbe43124e7e2
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Filesize
2.6MB
MD51621e7cc411c8a27adad7fd2afe1485c
SHA141c07add4edf52b22416b20904edc2ef315d2397
SHA25621e07fac3743ecd6a33b6b2e1521e1852884281e833f8bead4b046f87aef4a49
SHA5120de1b4590744dc10ffec2dc6183469805485f37ba3ccf2f0102b04c27546e3ee260b9c63062f895122365c36df2203f792f6b5f24d5e590a402fbbe43124e7e2