Analysis
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max time kernel
166s -
max time network
217s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05-12-2022 19:57
Static task
static1
Behavioral task
behavioral1
Sample
e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe
Resource
win7-20221111-en
General
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Target
e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe
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Size
1.5MB
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MD5
de6e54980d24a1bb736104e73f477244
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SHA1
0024bed717c493f30a3d9901a71e049c4c89e0b3
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SHA256
e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589
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SHA512
ecb5f424834527cb66cdee34811b66840e4f3e9846434950a2de0273cc96cb61dd414ced6970ecd81c04c24fb160a57c85af4cfe4d76c6ed5483b6a4f5333151
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SSDEEP
49152:FxCIL3egIrU3Vu98kE98kICoqg3Or5Qm:FxCIL3eg+U3k98kE98k2J3Oy
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/1828-56-0x00000000034A0000-0x0000000003646000-memory.dmp purplefox_rootkit behavioral1/memory/1828-61-0x00000000034A0000-0x0000000003646000-memory.dmp purplefox_rootkit behavioral1/memory/828-68-0x0000000002300000-0x00000000024A6000-memory.dmp purplefox_rootkit behavioral1/memory/828-72-0x00000000021C0000-0x00000000022F9000-memory.dmp purplefox_rootkit behavioral1/memory/828-73-0x0000000002300000-0x00000000024A6000-memory.dmp purplefox_rootkit behavioral1/memory/828-77-0x0000000002300000-0x00000000024A6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1828-56-0x00000000034A0000-0x0000000003646000-memory.dmp family_gh0strat behavioral1/memory/1828-61-0x00000000034A0000-0x0000000003646000-memory.dmp family_gh0strat behavioral1/memory/828-68-0x0000000002300000-0x00000000024A6000-memory.dmp family_gh0strat behavioral1/memory/828-72-0x00000000021C0000-0x00000000022F9000-memory.dmp family_gh0strat behavioral1/memory/828-73-0x0000000002300000-0x00000000024A6000-memory.dmp family_gh0strat behavioral1/memory/828-77-0x0000000002300000-0x00000000024A6000-memory.dmp family_gh0strat -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
windows.exepid process 828 windows.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid process 1204 attrib.exe 832 attrib.exe -
Loads dropped DLL 1 IoCs
Processes:
e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exepid process 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
windows.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Window°²È«·À»¤ÖÐÐÄÄ£¿é = "C:\\ProgramData\\Micros\\svchost.exe" windows.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
windows.exedescription ioc process File opened (read-only) \??\T: windows.exe File opened (read-only) \??\V: windows.exe File opened (read-only) \??\W: windows.exe File opened (read-only) \??\Y: windows.exe File opened (read-only) \??\E: windows.exe File opened (read-only) \??\J: windows.exe File opened (read-only) \??\M: windows.exe File opened (read-only) \??\N: windows.exe File opened (read-only) \??\I: windows.exe File opened (read-only) \??\K: windows.exe File opened (read-only) \??\X: windows.exe File opened (read-only) \??\B: windows.exe File opened (read-only) \??\F: windows.exe File opened (read-only) \??\G: windows.exe File opened (read-only) \??\H: windows.exe File opened (read-only) \??\Q: windows.exe File opened (read-only) \??\R: windows.exe File opened (read-only) \??\U: windows.exe File opened (read-only) \??\Z: windows.exe File opened (read-only) \??\L: windows.exe File opened (read-only) \??\O: windows.exe File opened (read-only) \??\P: windows.exe File opened (read-only) \??\S: windows.exe -
Drops file in Program Files directory 1 IoCs
Processes:
attrib.exedescription ioc process File opened for modification C:\PROGRA~3\windows.exe attrib.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
windows.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 windows.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz windows.exe -
Suspicious behavior: EnumeratesProcesses 44 IoCs
Processes:
e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exewindows.exepid process 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe 828 windows.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exewindows.exedescription pid process Token: SeIncBasePriorityPrivilege 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe Token: SeIncBasePriorityPrivilege 828 windows.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exewindows.exepid process 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe 828 windows.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.execmd.exewindows.execmd.exedescription pid process target process PID 1828 wrote to memory of 812 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 812 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 812 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 812 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 868 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 868 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 868 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 868 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 1880 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 1880 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 1880 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 1828 wrote to memory of 1880 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe cmd.exe PID 812 wrote to memory of 1204 812 cmd.exe attrib.exe PID 812 wrote to memory of 1204 812 cmd.exe attrib.exe PID 812 wrote to memory of 1204 812 cmd.exe attrib.exe PID 812 wrote to memory of 1204 812 cmd.exe attrib.exe PID 1828 wrote to memory of 828 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe windows.exe PID 1828 wrote to memory of 828 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe windows.exe PID 1828 wrote to memory of 828 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe windows.exe PID 1828 wrote to memory of 828 1828 e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe windows.exe PID 828 wrote to memory of 988 828 windows.exe cmd.exe PID 828 wrote to memory of 988 828 windows.exe cmd.exe PID 828 wrote to memory of 988 828 windows.exe cmd.exe PID 828 wrote to memory of 988 828 windows.exe cmd.exe PID 988 wrote to memory of 832 988 cmd.exe attrib.exe PID 988 wrote to memory of 832 988 cmd.exe attrib.exe PID 988 wrote to memory of 832 988 cmd.exe attrib.exe PID 988 wrote to memory of 832 988 cmd.exe attrib.exe PID 828 wrote to memory of 436 828 windows.exe cmd.exe PID 828 wrote to memory of 436 828 windows.exe cmd.exe PID 828 wrote to memory of 436 828 windows.exe cmd.exe PID 828 wrote to memory of 436 828 windows.exe cmd.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1204 attrib.exe 832 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe"C:\Users\Admin\AppData\Local\Temp\e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c attrib C:\Users\Admin\AppData\Local\Temp\E4F66C~1.EXE +s +h2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\attrib.exeattrib C:\Users\Admin\AppData\Local\Temp\E4F66C~1.EXE +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
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C:\Windows\SysWOW64\cmd.execmd /c md C:\ProgramData\Micros2⤵
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C:\Windows\SysWOW64\cmd.execmd /c md C:\ProgramData\Micros2⤵
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C:\ProgramData\windows.exeC:\ProgramData\windows.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c attrib C:\PROGRA~3\windows.exe +s +h3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\attrib.exeattrib C:\PROGRA~3\windows.exe +s +h4⤵
- Sets file to hidden
- Drops file in Program Files directory
- Views/modifies file attributes
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C:\Windows\SysWOW64\cmd.execmd /c md C:\ProgramData\ru3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\PROGRA~3\windows.exeFilesize
1.5MB
MD5de6e54980d24a1bb736104e73f477244
SHA10024bed717c493f30a3d9901a71e049c4c89e0b3
SHA256e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589
SHA512ecb5f424834527cb66cdee34811b66840e4f3e9846434950a2de0273cc96cb61dd414ced6970ecd81c04c24fb160a57c85af4cfe4d76c6ed5483b6a4f5333151
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C:\ProgramData\Micros\1.txtFilesize
76KB
MD5a0174e9945895fa8ace11f6bb4a64298
SHA1527c4ebc005deb88f29edd83a23ac977735d76c4
SHA2562dcd521895377ae3463dd61369c7fc6aafd8610e020592bf29b88888fc295ca0
SHA512974f26161cc94c42fbe781db476562ccee90051f5c419ad156d4d17ab63231fa62a064c32cf1acc648e06d01d7f69e785f1421407859f2d78976d76a89b27dec
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C:\ProgramData\Micros\2.txtFilesize
44KB
MD596d097045736a2a1526d63c2d83a6b22
SHA1dde933d7fcc22e41f981d043a3aa835e3b19f86e
SHA256abbd451b402243bf00ad76f253d2b1c3f80d1d6f6c7f5b2f0d5e3fdd7f9c06e5
SHA512e6ef5a7f25af760fef212b46b1796b8b386575e258a8b02a4c74510bb600e7fac3d344cceae14ef4b72a2520022e7cc611b34a56f737892ed4970ed1150945bd
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C:\ProgramData\SHELL.TXTFilesize
1.2MB
MD53a609e0c8a5d9c5f8ca058f767fa20cf
SHA1791ddf60a63150bffee4e7453679a78853ffcb7c
SHA256f6386b915a9a1344fd7d40850132bca0f54a8cfb43721021049e968c32536799
SHA512fbe66dd84b9bad885d843c662992aa3a9b3d25b14a3acfcdb13b04547836295c37b0f9cf4fb8b7c0537de9601992e1c4275e9e1a841a130f3efb2b1e7fb34f35
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C:\ProgramData\SHELL.iniFilesize
49B
MD51079769c430170e45a0f245e54537d09
SHA1ead0cbc04cf944f3d588fa83ffd4505cbb6b8970
SHA25629524392d7f67f4c06df97be0167bfe407812a34eb31872806c852fe720b11ad
SHA5120a22c01800a3e2611d02c03f6e25c6b7afa361bb5f55272bd915628faa2a09f7833fc08f75d80575c01b7796156cd7cdefdd76c8d1ceb89a03f0f0e761cf661c
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C:\ProgramData\windows.exeFilesize
1.5MB
MD5de6e54980d24a1bb736104e73f477244
SHA10024bed717c493f30a3d9901a71e049c4c89e0b3
SHA256e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589
SHA512ecb5f424834527cb66cdee34811b66840e4f3e9846434950a2de0273cc96cb61dd414ced6970ecd81c04c24fb160a57c85af4cfe4d76c6ed5483b6a4f5333151
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\ProgramData\windows.exeFilesize
1.5MB
MD5de6e54980d24a1bb736104e73f477244
SHA10024bed717c493f30a3d9901a71e049c4c89e0b3
SHA256e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589
SHA512ecb5f424834527cb66cdee34811b66840e4f3e9846434950a2de0273cc96cb61dd414ced6970ecd81c04c24fb160a57c85af4cfe4d76c6ed5483b6a4f5333151
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memory/436-74-0x0000000000000000-mapping.dmp
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memory/812-57-0x0000000000000000-mapping.dmp
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memory/828-63-0x0000000000000000-mapping.dmp
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memory/828-72-0x00000000021C0000-0x00000000022F9000-memory.dmpFilesize
1.2MB
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memory/828-68-0x0000000002300000-0x00000000024A6000-memory.dmpFilesize
1.6MB
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memory/828-77-0x0000000002300000-0x00000000024A6000-memory.dmpFilesize
1.6MB
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memory/828-73-0x0000000002300000-0x00000000024A6000-memory.dmpFilesize
1.6MB
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memory/832-70-0x0000000000000000-mapping.dmp
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memory/868-58-0x0000000000000000-mapping.dmp
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memory/988-69-0x0000000000000000-mapping.dmp
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memory/1204-60-0x0000000000000000-mapping.dmp
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memory/1828-54-0x0000000075611000-0x0000000075613000-memory.dmpFilesize
8KB
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memory/1828-56-0x00000000034A0000-0x0000000003646000-memory.dmpFilesize
1.6MB
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memory/1828-55-0x00000000031B0000-0x0000000003374000-memory.dmpFilesize
1.8MB
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memory/1828-61-0x00000000034A0000-0x0000000003646000-memory.dmpFilesize
1.6MB
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memory/1880-59-0x0000000000000000-mapping.dmp