Analysis

  • max time kernel
    82s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-09-2022 13:21

General

  • Target

    c51ddb34c1a0bcd8af4829d8a54c4341.exe

  • Size

    140KB

  • MD5

    c51ddb34c1a0bcd8af4829d8a54c4341

  • SHA1

    84860f90d7c7344a315e9ddc176d8e4a966ad7ad

  • SHA256

    880ac454f385019390e07ff3f7e1986ffb806951413d6d3774df9ba57a4fe8af

  • SHA512

    924bd3791a353328e7b946b846b02279bb588c6e7f0ba88d9579e320a343f4572d9a773bd92ef520c562e6c5a5e156108b6d865537bdacb01bbe006d64756a17

  • SSDEEP

    3072:aMSncRzAO/5XRUAoVFwkIV35QWYBkU+KbRMcP+MQWv:5SncRlBS9VTkYiU+KbR7j

Malware Config

Extracted

Family

revengerat

Botnet

Guest

C2

194.5.179.83:4040

127.0.0.1:4040

Mutex

RV_MUTEX

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c51ddb34c1a0bcd8af4829d8a54c4341.exe
    "C:\Users\Admin\AppData\Local\Temp\c51ddb34c1a0bcd8af4829d8a54c4341.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Users\Admin\AppData\Local\Temp\WORKER.EXE
      "C:\Users\Admin\AppData\Local\Temp\WORKER.EXE"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Users\Admin\AppData\Roaming\svhost.exe
        "C:\Users\Admin\AppData\Roaming\svhost.exe"
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:360
        • C:\Users\Admin\AppData\Local\Temp\982946.exe
          "C:\Users\Admin\AppData\Local\Temp\982946.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1664
    • C:\Users\Admin\AppData\Local\Temp\WORKERORG.EXE
      "C:\Users\Admin\AppData\Local\Temp\WORKERORG.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1956

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\982946.exe
    Filesize

    24KB

    MD5

    f8c68280e2f30157639d5c345da04172

    SHA1

    5ef1f44e41f61d28abc3d08ddb205dc77f763cfb

    SHA256

    38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e

    SHA512

    087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b

  • C:\Users\Admin\AppData\Local\Temp\982946.exe
    Filesize

    24KB

    MD5

    f8c68280e2f30157639d5c345da04172

    SHA1

    5ef1f44e41f61d28abc3d08ddb205dc77f763cfb

    SHA256

    38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e

    SHA512

    087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b

  • C:\Users\Admin\AppData\Local\Temp\WORKER.EXE
    Filesize

    63KB

    MD5

    6b5c0e29662a332947386b371a337a52

    SHA1

    c7bc42ad31263077e59dc8cd85aadd3731c69a77

    SHA256

    94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

    SHA512

    9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82

  • C:\Users\Admin\AppData\Local\Temp\WORKER.EXE
    Filesize

    63KB

    MD5

    6b5c0e29662a332947386b371a337a52

    SHA1

    c7bc42ad31263077e59dc8cd85aadd3731c69a77

    SHA256

    94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

    SHA512

    9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82

  • C:\Users\Admin\AppData\Local\Temp\WORKERORG.EXE
    Filesize

    24KB

    MD5

    f8c68280e2f30157639d5c345da04172

    SHA1

    5ef1f44e41f61d28abc3d08ddb205dc77f763cfb

    SHA256

    38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e

    SHA512

    087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b

  • C:\Users\Admin\AppData\Local\Temp\WORKERORG.EXE
    Filesize

    24KB

    MD5

    f8c68280e2f30157639d5c345da04172

    SHA1

    5ef1f44e41f61d28abc3d08ddb205dc77f763cfb

    SHA256

    38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e

    SHA512

    087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b

  • C:\Users\Admin\AppData\Roaming\svhost.exe
    Filesize

    63KB

    MD5

    6b5c0e29662a332947386b371a337a52

    SHA1

    c7bc42ad31263077e59dc8cd85aadd3731c69a77

    SHA256

    94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

    SHA512

    9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82

  • C:\Users\Admin\AppData\Roaming\svhost.exe
    Filesize

    63KB

    MD5

    6b5c0e29662a332947386b371a337a52

    SHA1

    c7bc42ad31263077e59dc8cd85aadd3731c69a77

    SHA256

    94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

    SHA512

    9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82

  • \Users\Admin\AppData\Local\Temp\WORKER.EXE
    Filesize

    63KB

    MD5

    6b5c0e29662a332947386b371a337a52

    SHA1

    c7bc42ad31263077e59dc8cd85aadd3731c69a77

    SHA256

    94151f693fab777c75599728098c54d63aa1e9fb646aabe0d2c0e7270dfc56f7

    SHA512

    9beae50ab693a5b525d44fab5e64d6dc86a20ee4d59c32b3470d5bab804151d1af4578e19ee310d4b41ec500909d541a910e316859abc62d5fa29e79e829ff82

  • \Users\Admin\AppData\Local\Temp\WORKERORG.EXE
    Filesize

    24KB

    MD5

    f8c68280e2f30157639d5c345da04172

    SHA1

    5ef1f44e41f61d28abc3d08ddb205dc77f763cfb

    SHA256

    38f988f3367ba56bcb20d2f4a7380e349b702e367cc6ef32259eb96d8e069f4e

    SHA512

    087887dbcb2af5cc9547b4cac4d1a6f79d0c128a1ea5028df044e66d77c3c41a07313e4d804d10bbeda20d47da8cf9739e240fda3b82cc7bd03cabc6855d219b

  • memory/360-70-0x0000000000000000-mapping.dmp
  • memory/360-73-0x000007FEF4B60000-0x000007FEF5583000-memory.dmp
    Filesize

    10.1MB

  • memory/360-74-0x000007FEED730000-0x000007FEEE7C6000-memory.dmp
    Filesize

    16.6MB

  • memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp
    Filesize

    8KB

  • memory/1664-81-0x00000000043A5000-0x00000000043B6000-memory.dmp
    Filesize

    68KB

  • memory/1664-79-0x0000000000C00000-0x0000000000C0C000-memory.dmp
    Filesize

    48KB

  • memory/1664-76-0x0000000000000000-mapping.dmp
  • memory/1860-64-0x000007FEF2940000-0x000007FEF39D6000-memory.dmp
    Filesize

    16.6MB

  • memory/1860-69-0x000007FEFB7D1000-0x000007FEFB7D3000-memory.dmp
    Filesize

    8KB

  • memory/1860-63-0x000007FEF3E10000-0x000007FEF4833000-memory.dmp
    Filesize

    10.1MB

  • memory/1860-56-0x0000000000000000-mapping.dmp
  • memory/1956-60-0x0000000000000000-mapping.dmp
  • memory/1956-68-0x0000000004B35000-0x0000000004B46000-memory.dmp
    Filesize

    68KB

  • memory/1956-67-0x0000000004B35000-0x0000000004B46000-memory.dmp
    Filesize

    68KB

  • memory/1956-65-0x0000000000AF0000-0x0000000000AFC000-memory.dmp
    Filesize

    48KB