Analysis
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max time kernel
153s -
max time network
148s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
26-04-2021 13:38
Static task
static1
Behavioral task
behavioral1
Sample
first2.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
first2.exe
Resource
win10v20210408
General
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Target
first2.exe
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Size
188KB
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MD5
81650b5894e10dc7f6b4d45f05f36bf9
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SHA1
5f22af376e1395cbdca9470ff9432938c290b3d5
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SHA256
d339fb0c1a994e652b4fe8f4cfd8a16745ca9a04f9042cab1d16ca73103f41d4
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SHA512
4c1142054c46cc3a94b3778424fc06bc835208e974acd16ee063b0dc46e943eb3bb929d29c9ecd990d3fbe79c0788094976a4e250fc6134d907f7a0d78ef03df
Malware Config
Extracted
remcos
databasepropersonombrecomercialideasearchwords.services:3521
Signatures
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Executes dropped EXE 2 IoCs
Processes:
PxxoServicesTrialNet1.exePxxoServicesTrialNet1.exepid process 1092 PxxoServicesTrialNet1.exe 488 PxxoServicesTrialNet1.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1476 cmd.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
first2.exePxxoServicesTrialNet1.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\ first2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\"" first2.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\ PxxoServicesTrialNet1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\"" PxxoServicesTrialNet1.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
first2.exePxxoServicesTrialNet1.exedescription pid process target process PID 1836 set thread context of 1592 1836 first2.exe first2.exe PID 1092 set thread context of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
first2.exedescription pid process Token: SeDebugPrivilege 1836 first2.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PxxoServicesTrialNet1.exepid process 488 PxxoServicesTrialNet1.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
first2.exefirst2.exeWScript.execmd.exePxxoServicesTrialNet1.exedescription pid process target process PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1836 wrote to memory of 1592 1836 first2.exe first2.exe PID 1592 wrote to memory of 476 1592 first2.exe WScript.exe PID 1592 wrote to memory of 476 1592 first2.exe WScript.exe PID 1592 wrote to memory of 476 1592 first2.exe WScript.exe PID 1592 wrote to memory of 476 1592 first2.exe WScript.exe PID 476 wrote to memory of 1476 476 WScript.exe cmd.exe PID 476 wrote to memory of 1476 476 WScript.exe cmd.exe PID 476 wrote to memory of 1476 476 WScript.exe cmd.exe PID 476 wrote to memory of 1476 476 WScript.exe cmd.exe PID 1476 wrote to memory of 1092 1476 cmd.exe PxxoServicesTrialNet1.exe PID 1476 wrote to memory of 1092 1476 cmd.exe PxxoServicesTrialNet1.exe PID 1476 wrote to memory of 1092 1476 cmd.exe PxxoServicesTrialNet1.exe PID 1476 wrote to memory of 1092 1476 cmd.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe PID 1092 wrote to memory of 488 1092 PxxoServicesTrialNet1.exe PxxoServicesTrialNet1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\first2.exe"C:\Users\Admin\AppData\Local\Temp\first2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\first2.exe"C:\Users\Admin\AppData\Local\Temp\first2.exe"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe"4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exeC:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe"C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe"6⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\00Md1M1VfFd38sMD5
19dd22b3ad2e2e8c3b83a3287d23c04a
SHA16d1cd1acebebeaedf776a1ff9b588f354bc035c2
SHA256100b4739447d1ce5a487ea2fd1769efb458078527ca5b537ecc148ba084ccd86
SHA5123bc9ee423e97b43b3bba2501185d35f185a52dc54a70a7d97127586d3d117d865eaca8559285b96da0c4dbcac22083d234002c7121ffb5f65e023a247b05037e
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C:\Users\Admin\AppData\Local\Temp\install.vbsMD5
a39af763b1c09ead3c98a6a615f377fe
SHA19bd3d39c89e47fe7072270ecc80b810103235c03
SHA256a3930d7535eb768523ee52bbe69f13f857a0ae0f982d7bfc354d802f21010f8f
SHA5123ed8e33ac95fd2536286b4afb2ed2a082bb5f98843478262b32263a14a5dbe0425de7b8d9662a5e482b207ebf8484ace8009ecd1881a6f6f8b0ccf3b0fdfe5da
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C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exeMD5
81650b5894e10dc7f6b4d45f05f36bf9
SHA15f22af376e1395cbdca9470ff9432938c290b3d5
SHA256d339fb0c1a994e652b4fe8f4cfd8a16745ca9a04f9042cab1d16ca73103f41d4
SHA5124c1142054c46cc3a94b3778424fc06bc835208e974acd16ee063b0dc46e943eb3bb929d29c9ecd990d3fbe79c0788094976a4e250fc6134d907f7a0d78ef03df
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C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exeMD5
81650b5894e10dc7f6b4d45f05f36bf9
SHA15f22af376e1395cbdca9470ff9432938c290b3d5
SHA256d339fb0c1a994e652b4fe8f4cfd8a16745ca9a04f9042cab1d16ca73103f41d4
SHA5124c1142054c46cc3a94b3778424fc06bc835208e974acd16ee063b0dc46e943eb3bb929d29c9ecd990d3fbe79c0788094976a4e250fc6134d907f7a0d78ef03df
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C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exeMD5
81650b5894e10dc7f6b4d45f05f36bf9
SHA15f22af376e1395cbdca9470ff9432938c290b3d5
SHA256d339fb0c1a994e652b4fe8f4cfd8a16745ca9a04f9042cab1d16ca73103f41d4
SHA5124c1142054c46cc3a94b3778424fc06bc835208e974acd16ee063b0dc46e943eb3bb929d29c9ecd990d3fbe79c0788094976a4e250fc6134d907f7a0d78ef03df
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\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exeMD5
81650b5894e10dc7f6b4d45f05f36bf9
SHA15f22af376e1395cbdca9470ff9432938c290b3d5
SHA256d339fb0c1a994e652b4fe8f4cfd8a16745ca9a04f9042cab1d16ca73103f41d4
SHA5124c1142054c46cc3a94b3778424fc06bc835208e974acd16ee063b0dc46e943eb3bb929d29c9ecd990d3fbe79c0788094976a4e250fc6134d907f7a0d78ef03df
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memory/476-68-0x0000000000000000-mapping.dmp
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memory/488-85-0x0000000000400000-0x0000000000422000-memory.dmpFilesize
136KB
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memory/488-82-0x0000000000413FA4-mapping.dmp
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memory/1092-74-0x0000000000000000-mapping.dmp
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memory/1092-80-0x0000000004EE0000-0x0000000004EE1000-memory.dmpFilesize
4KB
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memory/1092-76-0x0000000000210000-0x0000000000211000-memory.dmpFilesize
4KB
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memory/1476-71-0x0000000000000000-mapping.dmp
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memory/1592-64-0x0000000000400000-0x0000000000422000-memory.dmpFilesize
136KB
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memory/1592-65-0x0000000000413FA4-mapping.dmp
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memory/1592-67-0x0000000000400000-0x0000000000422000-memory.dmpFilesize
136KB
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memory/1592-66-0x0000000075D51000-0x0000000075D53000-memory.dmpFilesize
8KB
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memory/1836-63-0x00000000004A0000-0x00000000004C6000-memory.dmpFilesize
152KB
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memory/1836-60-0x00000000010B0000-0x00000000010B1000-memory.dmpFilesize
4KB
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memory/1836-62-0x0000000000CC0000-0x0000000000CC1000-memory.dmpFilesize
4KB