Analysis

  • max time kernel
    152s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2022 14:37

General

  • Target

    bdc8610804f8b5da9e999ee2b2623d2cfbf16d1d4e57fee4a0db49b9e4485d78.exe

  • Size

    82KB

  • MD5

    e8e6622c0c138aa05e41ab5bde02db58

  • SHA1

    196ae20a721f3d30e2bbc2d6e86e15e4c208766d

  • SHA256

    bdc8610804f8b5da9e999ee2b2623d2cfbf16d1d4e57fee4a0db49b9e4485d78

  • SHA512

    7cab8712ea685ae0581f531445000fed9688bfd9f7a8aecc92f13e7397292b973685f92d721336ad073ba8b0dcc903473049c9476e439804b256a86cdcc1cdcc

  • SSDEEP

    1536:gW2XxJ+1IT+7SDZIvyDEsq0Hcl16bwpLojUoZwRZJNLmTqWRWaS:gW+J+1IT+cqylD8l1ewpcjUZDNmrI

Malware Config

Signatures

  • Gh0st RAT payload 19 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Sets DLL path for service in the registry 2 TTPs 9 IoCs
  • Loads dropped DLL 9 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 6 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 30 IoCs
  • Checks processor information in registry 2 TTPs 12 IoCs

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdc8610804f8b5da9e999ee2b2623d2cfbf16d1d4e57fee4a0db49b9e4485d78.exe
    "C:\Users\Admin\AppData\Local\Temp\bdc8610804f8b5da9e999ee2b2623d2cfbf16d1d4e57fee4a0db49b9e4485d78.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4212
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Checks processor information in registry
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1356
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s ias
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:4824
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s irmon
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:4364
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s nla
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:4356
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s ntmssvc
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:2372
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s nwcworkstation
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:2668
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s srservice
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    PID:3832
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s wmi
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    PID:4176
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s wmdmpmsp
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    PID:4228

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\ntfastuserswitchingcompatibility.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • C:\Windows\SysWOW64\ntias.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • C:\Windows\SysWOW64\ntirmon.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • C:\Windows\SysWOW64\ntnla.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • C:\Windows\SysWOW64\ntntmssvc.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • C:\Windows\SysWOW64\ntnwcworkstation.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • C:\Windows\SysWOW64\ntsrservice.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • C:\Windows\SysWOW64\ntwmdmpmsp.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • C:\Windows\SysWOW64\ntwmi.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • \??\c:\windows\SysWOW64\ntfastuserswitchingcompatibility.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • \??\c:\windows\SysWOW64\ntias.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • \??\c:\windows\SysWOW64\ntirmon.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • \??\c:\windows\SysWOW64\ntnla.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • \??\c:\windows\SysWOW64\ntntmssvc.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • \??\c:\windows\SysWOW64\ntnwcworkstation.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • \??\c:\windows\SysWOW64\ntsrservice.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • \??\c:\windows\SysWOW64\ntwmdmpmsp.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • \??\c:\windows\SysWOW64\ntwmi.dll

    Filesize

    148KB

    MD5

    fd44e3853c37335fd1932be7eb5eda2f

    SHA1

    575a2a15e335331851755c07a2bf9ee82da97c90

    SHA256

    b308b82e9fbe43d50cc6e909292fa8d7f2c48c6156873a4fc3ebc3350b133f1e

    SHA512

    094e39de8a3696e7631bd34603f0f0278b31a0ce06239254dac86421f842959ec16a9b66fd7242db24c9b30ab1b6e8f1cc814eee31f30ec7d2b67a7cce7aa3e3

  • memory/4212-132-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/4212-135-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB