Analysis

  • max time kernel
    19s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 18:14

General

  • Target

    9e6a3f247614cb66bf798694cdcbb5bbe94a027a7ddb48eb3afc642a3787ea60.dll

  • Size

    192KB

  • MD5

    0156f53b8be0a423745e96a5bb907c64

  • SHA1

    c6a4e2a872c364ac372c62915e346acb0b98b022

  • SHA256

    9e6a3f247614cb66bf798694cdcbb5bbe94a027a7ddb48eb3afc642a3787ea60

  • SHA512

    7939bfd824f7fc1899dbf1b1ff9a3866973dc6a6869b2e2a25ae65ec755dd3dedacd79bf2ebdb5a2427cc3028d796809c79905f4af2f7f58974a12e3c97d292a

  • SSDEEP

    3072:mxrrrIzZHX/m0icEZOcCiUpqf+uWtdfKxmEext8EQzVCVSN7m:CrrczZ3+0icEutYWt9KQE4KEcA+m

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e6a3f247614cb66bf798694cdcbb5bbe94a027a7ddb48eb3afc642a3787ea60.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e6a3f247614cb66bf798694cdcbb5bbe94a027a7ddb48eb3afc642a3787ea60.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:932
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 168
          4⤵
          • Program crash
          PID:1308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 244
        3⤵
        • Program crash
        PID:1972

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    162KB

    MD5

    33cd65ebd943a41a3b65fa1ccfce067c

    SHA1

    715d78b89cadbbd517fec3a48f415e1dc00f92bb

    SHA256

    43c91f0a793c2776757ecec287a2d50cbf331d27f08aa559ffc160a417d3d1ae

    SHA512

    ea7c5b04eb5dd99ff38f7699cceef49680c094beab01751a92541e56293f7ecc3381aeca9a8863f95b75b548c0d02cf5127eaaf4cc1f784974981fade9ebeaf2

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    162KB

    MD5

    33cd65ebd943a41a3b65fa1ccfce067c

    SHA1

    715d78b89cadbbd517fec3a48f415e1dc00f92bb

    SHA256

    43c91f0a793c2776757ecec287a2d50cbf331d27f08aa559ffc160a417d3d1ae

    SHA512

    ea7c5b04eb5dd99ff38f7699cceef49680c094beab01751a92541e56293f7ecc3381aeca9a8863f95b75b548c0d02cf5127eaaf4cc1f784974981fade9ebeaf2

  • \Users\Admin\AppData\Local\Temp\~TM7253.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM72A2.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    162KB

    MD5

    33cd65ebd943a41a3b65fa1ccfce067c

    SHA1

    715d78b89cadbbd517fec3a48f415e1dc00f92bb

    SHA256

    43c91f0a793c2776757ecec287a2d50cbf331d27f08aa559ffc160a417d3d1ae

    SHA512

    ea7c5b04eb5dd99ff38f7699cceef49680c094beab01751a92541e56293f7ecc3381aeca9a8863f95b75b548c0d02cf5127eaaf4cc1f784974981fade9ebeaf2

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    162KB

    MD5

    33cd65ebd943a41a3b65fa1ccfce067c

    SHA1

    715d78b89cadbbd517fec3a48f415e1dc00f92bb

    SHA256

    43c91f0a793c2776757ecec287a2d50cbf331d27f08aa559ffc160a417d3d1ae

    SHA512

    ea7c5b04eb5dd99ff38f7699cceef49680c094beab01751a92541e56293f7ecc3381aeca9a8863f95b75b548c0d02cf5127eaaf4cc1f784974981fade9ebeaf2

  • memory/932-67-0x0000000004800000-0x0000000004830000-memory.dmp

    Filesize

    192KB

  • memory/932-55-0x0000000075A81000-0x0000000075A83000-memory.dmp

    Filesize

    8KB

  • memory/932-69-0x0000000000740000-0x00000000007CA000-memory.dmp

    Filesize

    552KB

  • memory/932-68-0x0000000000740000-0x00000000007CA000-memory.dmp

    Filesize

    552KB

  • memory/1136-66-0x0000000077310000-0x0000000077490000-memory.dmp

    Filesize

    1.5MB

  • memory/1136-65-0x0000000000400000-0x0000000000489124-memory.dmp

    Filesize

    548KB