Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 16:53

General

  • Target

    05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe

  • Size

    184KB

  • MD5

    05a5346fa2d5a6364a6616a92d0ed2c0

  • SHA1

    7513eb1ca1f04855015df40fb369f82bd84ea5b2

  • SHA256

    0c6af3f27224048739574ac36878a79982f76b7bc522db5b3642a229b566954d

  • SHA512

    ec87249641518b23858f9a170153531ecca9acb81f6b0b88886c81689f940b9bf08677fa9d2b9764042b39c73cbe8412e846ab422d775d8ac01c300cdeee352b

  • SSDEEP

    1536:JxqjQ+P04wsmJCLWwjOAbDOnjjzgV1D7PK1nRAKVjkOwldP:sr85CLTCAbDOnj/gV1D7PKAK2Owlx

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

PC

C2

zack1313.publicvm.com:6078

Mutex

54ad39b024fbafb6cdb1a4ffb6386199

Attributes
  • reg_key

    54ad39b024fbafb6cdb1a4ffb6386199

  • splitter

    |'|'|

Signatures

  • Detect Neshta payload 2 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\3582-490\05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Users\Admin\AppData\Local\Temp\3582-490\05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2692
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\3582-490\05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe" "05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:1588

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\05a5346fa2d5a6364a6616a92d0ed2c0_JaffaCakes118.exe
    Filesize

    144KB

    MD5

    74ee304eaef18f46a3327ef9a0e9afe1

    SHA1

    af091f9db2cb4fefaf7ab4b50a84fbe48d4b3a6d

    SHA256

    567cfdc989107ae4876345a611b5e7eddb2af812a8d9ba17285edd1b7a8aa2b4

    SHA512

    f8cf78abcaf1a9abef696587784b60c5388ae1b43fea1b0f52c7dec942176b9f51365169b80de9b08e2618ce950a9a6ec4a88072107e0eee4cb3fb630b0d6d21

  • memory/2692-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2692-112-0x0000000004BE0000-0x0000000004C20000-memory.dmp
    Filesize

    256KB

  • memory/2692-115-0x0000000074730000-0x0000000074E1E000-memory.dmp
    Filesize

    6.9MB

  • memory/2692-18-0x0000000000080000-0x000000000008C000-memory.dmp
    Filesize

    48KB

  • memory/2692-20-0x0000000000080000-0x000000000008C000-memory.dmp
    Filesize

    48KB

  • memory/2692-36-0x0000000074730000-0x0000000074E1E000-memory.dmp
    Filesize

    6.9MB

  • memory/2692-19-0x0000000000080000-0x000000000008C000-memory.dmp
    Filesize

    48KB

  • memory/2692-17-0x0000000000080000-0x000000000008C000-memory.dmp
    Filesize

    48KB

  • memory/2692-26-0x0000000000080000-0x000000000008C000-memory.dmp
    Filesize

    48KB

  • memory/2692-30-0x0000000000080000-0x000000000008C000-memory.dmp
    Filesize

    48KB

  • memory/2692-25-0x0000000000080000-0x000000000008C000-memory.dmp
    Filesize

    48KB

  • memory/2692-33-0x0000000000080000-0x000000000008C000-memory.dmp
    Filesize

    48KB

  • memory/2692-116-0x0000000004BE0000-0x0000000004C20000-memory.dmp
    Filesize

    256KB

  • memory/2740-15-0x0000000000510000-0x0000000000518000-memory.dmp
    Filesize

    32KB

  • memory/2740-35-0x0000000074730000-0x0000000074E1E000-memory.dmp
    Filesize

    6.9MB

  • memory/2740-14-0x0000000004AE0000-0x0000000004B20000-memory.dmp
    Filesize

    256KB

  • memory/2740-13-0x0000000074730000-0x0000000074E1E000-memory.dmp
    Filesize

    6.9MB

  • memory/2740-12-0x0000000001370000-0x000000000139A000-memory.dmp
    Filesize

    168KB

  • memory/2932-114-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB