Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06-06-2023 11:29

General

  • Target

    01617599.exe

  • Size

    735KB

  • MD5

    57e9a2f139811a7d7c681a5f6498bdc6

  • SHA1

    db8f3271f5d9d7b762c1ccd9621c46e40c7c8be3

  • SHA256

    f979c3ad640974fa3e5b64bcb9cb9c02d61476b8b1855930dfdea45f879059c4

  • SHA512

    df16a534d1fa2a9ddd0240b038891f990fbfe5a61e87ad00669c46566ffc3c6e826890da2954213d2733059a3b2435a3ae6ddf15e79168edab02037c8b279c7b

  • SSDEEP

    12288:nMrgy905eUFEETWFOh6njyM7VTNYd4I8tHP2znIRyX3c9zg0G1IVN6KI:vy+i3WMxTNYSjlUTX3ce0LTI

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19048

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 11 IoCs
  • RedLine

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

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01617599.exe
    "C:\Users\Admin\AppData\Local\Temp\01617599.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1132758.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1132758.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1273129.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1273129.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1364
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5683016.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5683016.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1736
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a5375617.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a5375617.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1744
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2049210.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2049210.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1716
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
              • Modifies Windows Defender Real-time Protection settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1112
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4189397.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4189397.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1052

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1132758.exe
    Filesize

    532KB

    MD5

    a66457c197433fd924f3772a19317778

    SHA1

    af03349e2d3fe075d68415ca04fc75ca543b1a8b

    SHA256

    ca82a9197f35e6c276c2d3878f982df03bbe2b93eb4ba9607f924741dde4a091

    SHA512

    23b0bb3df9c26db0bbb18151eb0bc224a7c6e1a6dff7ad7d76b9179797cd0e0c662a08c750a941759e3887bde939de9c3a5640ae20bc22230ccefdf1413f992d

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1132758.exe
    Filesize

    532KB

    MD5

    a66457c197433fd924f3772a19317778

    SHA1

    af03349e2d3fe075d68415ca04fc75ca543b1a8b

    SHA256

    ca82a9197f35e6c276c2d3878f982df03bbe2b93eb4ba9607f924741dde4a091

    SHA512

    23b0bb3df9c26db0bbb18151eb0bc224a7c6e1a6dff7ad7d76b9179797cd0e0c662a08c750a941759e3887bde939de9c3a5640ae20bc22230ccefdf1413f992d

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1273129.exe
    Filesize

    359KB

    MD5

    2cd02464adebffc760345e84d163c0e4

    SHA1

    75eaff25dbba4ee0aea1bfcf4631ee5cf3bc3a9e

    SHA256

    bc2ecff2590011ba7c2a6f042c0a2222a45d41c258ad2c3aeefc3487315565b4

    SHA512

    96060dedec69e741137394175f8e688bb64304d45865bc7667e0537b9b63bd47fc4a1390034aa1045a4c63be3e656ceefcb07b3566fa83f72e701641343f45ff

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1273129.exe
    Filesize

    359KB

    MD5

    2cd02464adebffc760345e84d163c0e4

    SHA1

    75eaff25dbba4ee0aea1bfcf4631ee5cf3bc3a9e

    SHA256

    bc2ecff2590011ba7c2a6f042c0a2222a45d41c258ad2c3aeefc3487315565b4

    SHA512

    96060dedec69e741137394175f8e688bb64304d45865bc7667e0537b9b63bd47fc4a1390034aa1045a4c63be3e656ceefcb07b3566fa83f72e701641343f45ff

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4189397.exe
    Filesize

    172KB

    MD5

    23f206b50f60690a383ce7a0f51556ea

    SHA1

    27935a3a0f8eab965d69303c4301afaf7883cf05

    SHA256

    e8ccfd769c0767b0b990515cd118bb79c6b604ff5b17363aeb0aa4461b5fcc0f

    SHA512

    4cf99256bb08873be8329d5dcd3ca3950d708f64b3f69ae58562c70e6b217e561afc0ff4e1f74db99cfed4cc06caed90354f94c1b8edf2a7935d931b7dfeb046

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4189397.exe
    Filesize

    172KB

    MD5

    23f206b50f60690a383ce7a0f51556ea

    SHA1

    27935a3a0f8eab965d69303c4301afaf7883cf05

    SHA256

    e8ccfd769c0767b0b990515cd118bb79c6b604ff5b17363aeb0aa4461b5fcc0f

    SHA512

    4cf99256bb08873be8329d5dcd3ca3950d708f64b3f69ae58562c70e6b217e561afc0ff4e1f74db99cfed4cc06caed90354f94c1b8edf2a7935d931b7dfeb046

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5683016.exe
    Filesize

    204KB

    MD5

    1cc216115031acff5f95ba5ae5ede605

    SHA1

    5f785e24ba8a6c206f583545ae683466e3d63e57

    SHA256

    099dd80c4e3be2096a5f013289136d746396cc3ffaee17a056aea9a1459c443d

    SHA512

    c9620c0aaf7cb755c12462fca0cfb70985d34524ed0fdc9e37cf3cc256b71502823be31a20f680f3142a95406102e8ea377289dccaf1ee7ff676a4dd5c24e509

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5683016.exe
    Filesize

    204KB

    MD5

    1cc216115031acff5f95ba5ae5ede605

    SHA1

    5f785e24ba8a6c206f583545ae683466e3d63e57

    SHA256

    099dd80c4e3be2096a5f013289136d746396cc3ffaee17a056aea9a1459c443d

    SHA512

    c9620c0aaf7cb755c12462fca0cfb70985d34524ed0fdc9e37cf3cc256b71502823be31a20f680f3142a95406102e8ea377289dccaf1ee7ff676a4dd5c24e509

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a5375617.exe
    Filesize

    13KB

    MD5

    6a5f8d8d67730a5d20c4306d53f66ca2

    SHA1

    5645f127049ef4ced9469724117609938fd250c7

    SHA256

    34c237a06d81f1b41dc499a791ea9b41c8e75ddac46247337bf114af256a3a47

    SHA512

    068efc44ec09af899f6646813d8ac4cbb4ca426980f671cbd8791daeed9855d6a54f6f9689bbe0d6aa3cc2cd2632179ba18dcbde6f7eaba869d2d883e7cb18bf

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a5375617.exe
    Filesize

    13KB

    MD5

    6a5f8d8d67730a5d20c4306d53f66ca2

    SHA1

    5645f127049ef4ced9469724117609938fd250c7

    SHA256

    34c237a06d81f1b41dc499a791ea9b41c8e75ddac46247337bf114af256a3a47

    SHA512

    068efc44ec09af899f6646813d8ac4cbb4ca426980f671cbd8791daeed9855d6a54f6f9689bbe0d6aa3cc2cd2632179ba18dcbde6f7eaba869d2d883e7cb18bf

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2049210.exe
    Filesize

    120KB

    MD5

    765ac1e3c70538f9d7b7f48fc7d79bcf

    SHA1

    d78dcb51efb38d5baae2f701a273b6e49d093384

    SHA256

    09a709644e41207462c99bdc1c75e7ff33530d3796ae9a46dbf948b786d23377

    SHA512

    416d04e4137399287b3d56d042f4753d145baa2aa33242f49476bcd7ae6a603b9f30a72c01a5832583b66e6cc52f6212b27f399a1c0bae80abbb6cda789bc68a

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2049210.exe
    Filesize

    120KB

    MD5

    765ac1e3c70538f9d7b7f48fc7d79bcf

    SHA1

    d78dcb51efb38d5baae2f701a273b6e49d093384

    SHA256

    09a709644e41207462c99bdc1c75e7ff33530d3796ae9a46dbf948b786d23377

    SHA512

    416d04e4137399287b3d56d042f4753d145baa2aa33242f49476bcd7ae6a603b9f30a72c01a5832583b66e6cc52f6212b27f399a1c0bae80abbb6cda789bc68a

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\v1132758.exe
    Filesize

    532KB

    MD5

    a66457c197433fd924f3772a19317778

    SHA1

    af03349e2d3fe075d68415ca04fc75ca543b1a8b

    SHA256

    ca82a9197f35e6c276c2d3878f982df03bbe2b93eb4ba9607f924741dde4a091

    SHA512

    23b0bb3df9c26db0bbb18151eb0bc224a7c6e1a6dff7ad7d76b9179797cd0e0c662a08c750a941759e3887bde939de9c3a5640ae20bc22230ccefdf1413f992d

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\v1132758.exe
    Filesize

    532KB

    MD5

    a66457c197433fd924f3772a19317778

    SHA1

    af03349e2d3fe075d68415ca04fc75ca543b1a8b

    SHA256

    ca82a9197f35e6c276c2d3878f982df03bbe2b93eb4ba9607f924741dde4a091

    SHA512

    23b0bb3df9c26db0bbb18151eb0bc224a7c6e1a6dff7ad7d76b9179797cd0e0c662a08c750a941759e3887bde939de9c3a5640ae20bc22230ccefdf1413f992d

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\v1273129.exe
    Filesize

    359KB

    MD5

    2cd02464adebffc760345e84d163c0e4

    SHA1

    75eaff25dbba4ee0aea1bfcf4631ee5cf3bc3a9e

    SHA256

    bc2ecff2590011ba7c2a6f042c0a2222a45d41c258ad2c3aeefc3487315565b4

    SHA512

    96060dedec69e741137394175f8e688bb64304d45865bc7667e0537b9b63bd47fc4a1390034aa1045a4c63be3e656ceefcb07b3566fa83f72e701641343f45ff

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\v1273129.exe
    Filesize

    359KB

    MD5

    2cd02464adebffc760345e84d163c0e4

    SHA1

    75eaff25dbba4ee0aea1bfcf4631ee5cf3bc3a9e

    SHA256

    bc2ecff2590011ba7c2a6f042c0a2222a45d41c258ad2c3aeefc3487315565b4

    SHA512

    96060dedec69e741137394175f8e688bb64304d45865bc7667e0537b9b63bd47fc4a1390034aa1045a4c63be3e656ceefcb07b3566fa83f72e701641343f45ff

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\c4189397.exe
    Filesize

    172KB

    MD5

    23f206b50f60690a383ce7a0f51556ea

    SHA1

    27935a3a0f8eab965d69303c4301afaf7883cf05

    SHA256

    e8ccfd769c0767b0b990515cd118bb79c6b604ff5b17363aeb0aa4461b5fcc0f

    SHA512

    4cf99256bb08873be8329d5dcd3ca3950d708f64b3f69ae58562c70e6b217e561afc0ff4e1f74db99cfed4cc06caed90354f94c1b8edf2a7935d931b7dfeb046

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\c4189397.exe
    Filesize

    172KB

    MD5

    23f206b50f60690a383ce7a0f51556ea

    SHA1

    27935a3a0f8eab965d69303c4301afaf7883cf05

    SHA256

    e8ccfd769c0767b0b990515cd118bb79c6b604ff5b17363aeb0aa4461b5fcc0f

    SHA512

    4cf99256bb08873be8329d5dcd3ca3950d708f64b3f69ae58562c70e6b217e561afc0ff4e1f74db99cfed4cc06caed90354f94c1b8edf2a7935d931b7dfeb046

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\v5683016.exe
    Filesize

    204KB

    MD5

    1cc216115031acff5f95ba5ae5ede605

    SHA1

    5f785e24ba8a6c206f583545ae683466e3d63e57

    SHA256

    099dd80c4e3be2096a5f013289136d746396cc3ffaee17a056aea9a1459c443d

    SHA512

    c9620c0aaf7cb755c12462fca0cfb70985d34524ed0fdc9e37cf3cc256b71502823be31a20f680f3142a95406102e8ea377289dccaf1ee7ff676a4dd5c24e509

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\v5683016.exe
    Filesize

    204KB

    MD5

    1cc216115031acff5f95ba5ae5ede605

    SHA1

    5f785e24ba8a6c206f583545ae683466e3d63e57

    SHA256

    099dd80c4e3be2096a5f013289136d746396cc3ffaee17a056aea9a1459c443d

    SHA512

    c9620c0aaf7cb755c12462fca0cfb70985d34524ed0fdc9e37cf3cc256b71502823be31a20f680f3142a95406102e8ea377289dccaf1ee7ff676a4dd5c24e509

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\a5375617.exe
    Filesize

    13KB

    MD5

    6a5f8d8d67730a5d20c4306d53f66ca2

    SHA1

    5645f127049ef4ced9469724117609938fd250c7

    SHA256

    34c237a06d81f1b41dc499a791ea9b41c8e75ddac46247337bf114af256a3a47

    SHA512

    068efc44ec09af899f6646813d8ac4cbb4ca426980f671cbd8791daeed9855d6a54f6f9689bbe0d6aa3cc2cd2632179ba18dcbde6f7eaba869d2d883e7cb18bf

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\b2049210.exe
    Filesize

    120KB

    MD5

    765ac1e3c70538f9d7b7f48fc7d79bcf

    SHA1

    d78dcb51efb38d5baae2f701a273b6e49d093384

    SHA256

    09a709644e41207462c99bdc1c75e7ff33530d3796ae9a46dbf948b786d23377

    SHA512

    416d04e4137399287b3d56d042f4753d145baa2aa33242f49476bcd7ae6a603b9f30a72c01a5832583b66e6cc52f6212b27f399a1c0bae80abbb6cda789bc68a

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\b2049210.exe
    Filesize

    120KB

    MD5

    765ac1e3c70538f9d7b7f48fc7d79bcf

    SHA1

    d78dcb51efb38d5baae2f701a273b6e49d093384

    SHA256

    09a709644e41207462c99bdc1c75e7ff33530d3796ae9a46dbf948b786d23377

    SHA512

    416d04e4137399287b3d56d042f4753d145baa2aa33242f49476bcd7ae6a603b9f30a72c01a5832583b66e6cc52f6212b27f399a1c0bae80abbb6cda789bc68a

  • memory/1052-115-0x00000000012D0000-0x0000000001300000-memory.dmp
    Filesize

    192KB

  • memory/1052-116-0x00000000003F0000-0x00000000003F6000-memory.dmp
    Filesize

    24KB

  • memory/1052-117-0x0000000004CE0000-0x0000000004D20000-memory.dmp
    Filesize

    256KB

  • memory/1052-118-0x0000000004CE0000-0x0000000004D20000-memory.dmp
    Filesize

    256KB

  • memory/1112-105-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/1112-107-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/1112-108-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/1112-101-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/1112-100-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/1744-92-0x0000000000B70000-0x0000000000B7A000-memory.dmp
    Filesize

    40KB