Analysis

  • max time kernel
    139s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 17:57

General

  • Target

    2a4e0bfefe7b6b2a94d46c408fe05d1682392c66666138b8b0c32e028bf15aad.exe

  • Size

    1.0MB

  • MD5

    aa56dc80d4e82ae017ce150cf8fa48cc

  • SHA1

    2a7ee36a1296e0438ef0e7a9ab41d8ff03496ec4

  • SHA256

    2a4e0bfefe7b6b2a94d46c408fe05d1682392c66666138b8b0c32e028bf15aad

  • SHA512

    ce4c8441785c866d0bc9ab8a5c23bba8815fd8a1e30b9ab10ec6a36c6aaba2ebf70bf3c53a9515a52402014daf6e2b25542397fc498bb9a12ad11ee602769daf

  • SSDEEP

    24576:XyaHBh7s7f2+6EFDn3Q521V2AJ56SANT0kAZJzgc:iahwfsEd3F1sAJ565gke

Malware Config

Extracted

Family

redline

Botnet

masha

C2

77.91.68.48:19071

Attributes
  • auth_value

    55b9b39a0dae383196a4b8d79e5bb805

Signatures

  • Detects Healer an antivirus disabler dropper 3 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a4e0bfefe7b6b2a94d46c408fe05d1682392c66666138b8b0c32e028bf15aad.exe
    "C:\Users\Admin\AppData\Local\Temp\2a4e0bfefe7b6b2a94d46c408fe05d1682392c66666138b8b0c32e028bf15aad.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4548
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6836019.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6836019.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6690351.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6690351.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:744
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8762757.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8762757.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:5028
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2081936.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2081936.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5112
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0494259.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0494259.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2064
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2096168.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2096168.exe
          4⤵
          • Executes dropped EXE
          PID:1976
  • C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe start wuauserv
    1⤵
    • Launches sc.exe
    PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log

    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6836019.exe

    Filesize

    908KB

    MD5

    25658f17325696a77fdc5dc5af300472

    SHA1

    0facd580ea7466701baf25ab3cd36945aea28b7d

    SHA256

    3c9d37c487d37aefab6c520534b2a76ee97ccb9d8dddc16b2220e3455f14344a

    SHA512

    1155d0d8b34cead480920efdc9220af31e82de4b7e843862163815d061da11e9457d34f16b2f55213728ef43f921ec0f363443fd4a8fe3488fea7612ae297c98

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6690351.exe

    Filesize

    725KB

    MD5

    a2e96ecf6ba60ff964a2b0b60dde7e27

    SHA1

    501080ad7058cac17e373c9acbda786c3ff9bdac

    SHA256

    0e712b394b21d5676bde7625b698470e0f7011ae4897abdec1a4f89dfa8cf096

    SHA512

    93c3963b8488abb826601dc90e98733b1e29549494039df1cd1fb2c351f2374a24ea2e2d8c66eefa51d6ee6a1b0221432a42cfa00eac510da0aef33ed4544bf1

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2096168.exe

    Filesize

    492KB

    MD5

    d672c9ba43fa4ec7905376f48d1f5cbc

    SHA1

    e0c94e851acb35383c031780e03ea0861acf6dc8

    SHA256

    963945d65b9fa323b0825b650842d944de7c0d5ecbe7af4fe91097f1f6e42702

    SHA512

    551cd7811814302685a698d8a6d73e8ac2dbea66bac651bb2fc6457300d536529619bcb4973b072cedd88c08e96fae0f50abf39ca35e9bc09e38f48566c6bd53

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8762757.exe

    Filesize

    326KB

    MD5

    d5b0ccf141e399d25360a28d534df7f0

    SHA1

    ef15c7a65069cb727ffdb2232c6210d030b4fbfe

    SHA256

    0170edb4d68699bbc4babbafeada5ed5138206b0d06d736a1340a077256b3d30

    SHA512

    0ebdf9f7ff7adaa314abec6e2359d2e241c483be42b81aadc097dac13c70a5906ee6e4345579dece05a84373f47462f5f53aee6554e3a4abaf142a5a09c00e51

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2081936.exe

    Filesize

    294KB

    MD5

    bdb5076d6b84394534265c87b725acd6

    SHA1

    be2336c83ca619167ef129bd699027e21fa187b1

    SHA256

    347e9d55c98bc84cef2d62c5e3ce982c9176bee6df41bdbc7d6f31f25744e198

    SHA512

    10404edb5540983006f3f50754d4babc0d6c35ce6315aff8ef6d3d7aa9e5bd5d9b52f3cb05374be7e317ca2a4ea74af6eec99c72335a5112a5f50c1c77ae1173

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0494259.exe

    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • memory/1976-58-0x00000000051A0000-0x00000000051B2000-memory.dmp

    Filesize

    72KB

  • memory/1976-59-0x00000000051C0000-0x00000000051FC000-memory.dmp

    Filesize

    240KB

  • memory/1976-60-0x0000000005230000-0x000000000527C000-memory.dmp

    Filesize

    304KB

  • memory/1976-47-0x00000000005D0000-0x000000000065C000-memory.dmp

    Filesize

    560KB

  • memory/1976-57-0x0000000005070000-0x000000000517A000-memory.dmp

    Filesize

    1.0MB

  • memory/1976-53-0x00000000005D0000-0x000000000065C000-memory.dmp

    Filesize

    560KB

  • memory/1976-55-0x0000000004450000-0x0000000004456000-memory.dmp

    Filesize

    24KB

  • memory/1976-56-0x00000000049E0000-0x0000000004FF8000-memory.dmp

    Filesize

    6.1MB

  • memory/2064-41-0x0000000000C10000-0x0000000000C1A000-memory.dmp

    Filesize

    40KB

  • memory/5112-35-0x00000000045E0000-0x00000000045E1000-memory.dmp

    Filesize

    4KB

  • memory/5112-34-0x0000000000560000-0x000000000059E000-memory.dmp

    Filesize

    248KB

  • memory/5112-29-0x0000000000560000-0x000000000059E000-memory.dmp

    Filesize

    248KB