Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
05-11-2023 18:49
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.2c6967d66190a993040f14e8661ce790_JC.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.2c6967d66190a993040f14e8661ce790_JC.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.2c6967d66190a993040f14e8661ce790_JC.exe
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Size
119KB
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MD5
2c6967d66190a993040f14e8661ce790
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SHA1
ff9fb6fd975c506ccc5f31043bceb47081eaddfd
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SHA256
ee7d492d8835cbbbcc138f3a7d9df6ea50e750ed6bc58d48d6f5d414377b01f8
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SHA512
c4e0f1ae1076b8f829ffa197f5fcdc3c1d7352b0b3d22a0032e57cce08f665daaecf3d6db02a8685f2ada3b11bf6281fc14439b3318f1e83d271fdb857ca4f4c
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SSDEEP
3072:SNa2iDfjoNq+U7rjbcxWKMeLge8XSI/1yxLipHI8:d2sQq+Awx5MfX71hpj
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1204 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 3436 urdvxc.exe 1356 urdvxc.exe 1704 urdvxc.exe 1204 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe NEAS.2c6967d66190a993040f14e8661ce790_JC.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe NEAS.2c6967d66190a993040f14e8661ce790_JC.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 12 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\jre\Welcome.html urdvxc.exe File opened for modification C:\Program Files\Java\jre-1.8\hcjzqenb.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\rvhrjtnt.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPP.HTM urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\tsbknceh.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\README.HTM urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\revhnlhn.exe urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\README.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\chllsvtv.exe urdvxc.exe File opened for modification C:\Program Files\Java\jre-1.8\Welcome.html urdvxc.exe -
Modifies registry class 40 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{249467F7-224F-80F0-5C5B-0130417F4464}\ = "hkbjjnkszwhllkjs" NEAS.2c6967d66190a993040f14e8661ce790_JC.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "cqsqbxwbkhhclksn" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "xskkwnnjwtrtthnn" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{249467F7-224F-80F0-5C5B-0130417F4464}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.2c6967d66190a993040f14e8661ce790_JC.exe" NEAS.2c6967d66190a993040f14e8661ce790_JC.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\chllsvtv.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{249467F7-224F-80F0-5C5B-0130417F4464} NEAS.2c6967d66190a993040f14e8661ce790_JC.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{249467F7-224F-80F0-5C5B-0130417F4464}\LocalServer32 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32\ = "C:\\Program Files\\Java\\jre-1.8\\hcjzqenb.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\vfs\\ProgramFilesCommonX64\\Microsoft Shared\\Smart Tag\\1033\\rvhrjtnt.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "vlnzlrnstchtszlh" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "cwrkjsxnbjrqrlhs" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\jre\\revhnlhn.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "nkxketkexsnwreqe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "ewrztrethelehjjc" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\Office16\\PersonaSpy\\tsbknceh.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "wnqrwkhsbzrvhtll" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "sxksevxsbqwewenn" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "brnszcvshzshbsqj" urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3436 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4988 wrote to memory of 3436 4988 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe 88 PID 4988 wrote to memory of 3436 4988 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe 88 PID 4988 wrote to memory of 3436 4988 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe 88 PID 4988 wrote to memory of 1356 4988 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe 90 PID 4988 wrote to memory of 1356 4988 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe 90 PID 4988 wrote to memory of 1356 4988 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe 90 PID 4988 wrote to memory of 1204 4988 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe 93 PID 4988 wrote to memory of 1204 4988 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe 93 PID 4988 wrote to memory of 1204 4988 NEAS.2c6967d66190a993040f14e8661ce790_JC.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.2c6967d66190a993040f14e8661ce790_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.2c6967d66190a993040f14e8661ce790_JC.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3436
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:1356
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.2c6967d66190a993040f14e8661ce790_JC.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:1204
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C:\Windows\SysWOW64\urdvxc.exe"C:\Windows\SysWOW64\urdvxc.exe" /service1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
PID:1704
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
119KB
MD52c6967d66190a993040f14e8661ce790
SHA1ff9fb6fd975c506ccc5f31043bceb47081eaddfd
SHA256ee7d492d8835cbbbcc138f3a7d9df6ea50e750ed6bc58d48d6f5d414377b01f8
SHA512c4e0f1ae1076b8f829ffa197f5fcdc3c1d7352b0b3d22a0032e57cce08f665daaecf3d6db02a8685f2ada3b11bf6281fc14439b3318f1e83d271fdb857ca4f4c
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Filesize
119KB
MD52c6967d66190a993040f14e8661ce790
SHA1ff9fb6fd975c506ccc5f31043bceb47081eaddfd
SHA256ee7d492d8835cbbbcc138f3a7d9df6ea50e750ed6bc58d48d6f5d414377b01f8
SHA512c4e0f1ae1076b8f829ffa197f5fcdc3c1d7352b0b3d22a0032e57cce08f665daaecf3d6db02a8685f2ada3b11bf6281fc14439b3318f1e83d271fdb857ca4f4c
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Filesize
119KB
MD52c6967d66190a993040f14e8661ce790
SHA1ff9fb6fd975c506ccc5f31043bceb47081eaddfd
SHA256ee7d492d8835cbbbcc138f3a7d9df6ea50e750ed6bc58d48d6f5d414377b01f8
SHA512c4e0f1ae1076b8f829ffa197f5fcdc3c1d7352b0b3d22a0032e57cce08f665daaecf3d6db02a8685f2ada3b11bf6281fc14439b3318f1e83d271fdb857ca4f4c
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Filesize
119KB
MD52c6967d66190a993040f14e8661ce790
SHA1ff9fb6fd975c506ccc5f31043bceb47081eaddfd
SHA256ee7d492d8835cbbbcc138f3a7d9df6ea50e750ed6bc58d48d6f5d414377b01f8
SHA512c4e0f1ae1076b8f829ffa197f5fcdc3c1d7352b0b3d22a0032e57cce08f665daaecf3d6db02a8685f2ada3b11bf6281fc14439b3318f1e83d271fdb857ca4f4c
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Filesize
119KB
MD52c6967d66190a993040f14e8661ce790
SHA1ff9fb6fd975c506ccc5f31043bceb47081eaddfd
SHA256ee7d492d8835cbbbcc138f3a7d9df6ea50e750ed6bc58d48d6f5d414377b01f8
SHA512c4e0f1ae1076b8f829ffa197f5fcdc3c1d7352b0b3d22a0032e57cce08f665daaecf3d6db02a8685f2ada3b11bf6281fc14439b3318f1e83d271fdb857ca4f4c