Analysis

  • max time kernel
    108s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08-02-2022 01:35

General

  • Target

    8617a4d915535f113f1653f32b879a71.exe

  • Size

    162KB

  • MD5

    8617a4d915535f113f1653f32b879a71

  • SHA1

    271c6cb625f992a4afb67eb44025b2e740a896d7

  • SHA256

    89d25bf598f2ef2016098e14ac9c9ed5d04d0d4f4d2d5495a34fb107c46d290f

  • SHA512

    6c7b39c13072bd16038b6ec9a0f49d378004f18166b65fbeede7868a87a25703f8639085e3b2102ceffcdb744271c71fd0f1617fbd18540388ab1e1827a2808d

Malware Config

Extracted

Family

redline

Botnet

test1

C2

disandillanne.xyz:80

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8617a4d915535f113f1653f32b879a71.exe
    "C:\Users\Admin\AppData\Local\Temp\8617a4d915535f113f1653f32b879a71.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Users\Admin\AppData\Local\Temp\f3b7c6fb-0285-4695-bb25-d6bddd7d3301.exe
      "C:\Users\Admin\AppData\Local\Temp\f3b7c6fb-0285-4695-bb25-d6bddd7d3301.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:820
    • C:\Users\Admin\AppData\Local\Temp\6473403c-4c78-4655-a96e-ce5c537397e9.exe
      "C:\Users\Admin\AppData\Local\Temp\6473403c-4c78-4655-a96e-ce5c537397e9.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1992

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\6473403c-4c78-4655-a96e-ce5c537397e9.exe
    MD5

    4f1c1dee549fe45bfc4d69f251c3bbfe

    SHA1

    2771a162d86f1658a37ad50b55e73c38ebf4459a

    SHA256

    20144ac4b35cda8d0df43bacffb09aaa82e61c367001d87bd80e233127c41f75

    SHA512

    15b3d64c333e679a37661a21bff192cb6e76f63b3a1b409ae1ec1401893b77d9b76bafff01b3efbdcf7e15a60b55c4f424a161772423c264a3c64d8405255581

  • C:\Users\Admin\AppData\Local\Temp\6473403c-4c78-4655-a96e-ce5c537397e9.exe
    MD5

    4f1c1dee549fe45bfc4d69f251c3bbfe

    SHA1

    2771a162d86f1658a37ad50b55e73c38ebf4459a

    SHA256

    20144ac4b35cda8d0df43bacffb09aaa82e61c367001d87bd80e233127c41f75

    SHA512

    15b3d64c333e679a37661a21bff192cb6e76f63b3a1b409ae1ec1401893b77d9b76bafff01b3efbdcf7e15a60b55c4f424a161772423c264a3c64d8405255581

  • C:\Users\Admin\AppData\Local\Temp\f3b7c6fb-0285-4695-bb25-d6bddd7d3301.exe
    MD5

    fd4bcc51f6325388f8d2e6c3f6b32cee

    SHA1

    99f99a4b5655d01789e9ebe97effc7b64369c641

    SHA256

    5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f

    SHA512

    c7a8577cc54c05227768f079648414819673cbefb7d2824724683a702febb476ac38270f4ac4c98d5639fa789697e9738ef6e98487774b594d114bdecb3309e3

  • C:\Users\Admin\AppData\Local\Temp\f3b7c6fb-0285-4695-bb25-d6bddd7d3301.exe
    MD5

    fd4bcc51f6325388f8d2e6c3f6b32cee

    SHA1

    99f99a4b5655d01789e9ebe97effc7b64369c641

    SHA256

    5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f

    SHA512

    c7a8577cc54c05227768f079648414819673cbefb7d2824724683a702febb476ac38270f4ac4c98d5639fa789697e9738ef6e98487774b594d114bdecb3309e3

  • memory/820-78-0x0000000000591000-0x0000000000592000-memory.dmp
    Filesize

    4KB

  • memory/820-79-0x0000000000592000-0x0000000000593000-memory.dmp
    Filesize

    4KB

  • memory/820-80-0x0000000000594000-0x0000000000595000-memory.dmp
    Filesize

    4KB

  • memory/820-61-0x0000000000400000-0x00000000004F8000-memory.dmp
    Filesize

    992KB

  • memory/820-62-0x0000000000400000-0x00000000004F8000-memory.dmp
    Filesize

    992KB

  • memory/820-64-0x0000000076001000-0x0000000076003000-memory.dmp
    Filesize

    8KB

  • memory/820-63-0x00000000003C0000-0x00000000003C1000-memory.dmp
    Filesize

    4KB

  • memory/820-66-0x0000000000350000-0x000000000037A000-memory.dmp
    Filesize

    168KB

  • memory/820-72-0x0000000000380000-0x00000000003B9000-memory.dmp
    Filesize

    228KB

  • memory/820-73-0x0000000000400000-0x00000000004F8000-memory.dmp
    Filesize

    992KB

  • memory/820-74-0x0000000000350000-0x000000000037A000-memory.dmp
    Filesize

    168KB

  • memory/820-75-0x0000000000351000-0x000000000035C000-memory.dmp
    Filesize

    44KB

  • memory/820-76-0x0000000074E20000-0x000000007550E000-memory.dmp
    Filesize

    6.9MB

  • memory/820-77-0x00000000003E0000-0x00000000003FA000-memory.dmp
    Filesize

    104KB

  • memory/1532-92-0x0000000000400000-0x0000000000967000-memory.dmp
    Filesize

    5.4MB

  • memory/1532-90-0x0000000000260000-0x00000000002A1000-memory.dmp
    Filesize

    260KB

  • memory/1532-96-0x000000000018F000-0x0000000000190000-memory.dmp
    Filesize

    4KB

  • memory/1532-94-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1532-91-0x0000000000400000-0x0000000000967000-memory.dmp
    Filesize

    5.4MB

  • memory/1532-84-0x0000000000400000-0x0000000000967000-memory.dmp
    Filesize

    5.4MB

  • memory/1532-85-0x0000000000400000-0x0000000000967000-memory.dmp
    Filesize

    5.4MB

  • memory/1532-86-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1532-87-0x0000000000400000-0x0000000000967000-memory.dmp
    Filesize

    5.4MB

  • memory/1876-54-0x0000000000960000-0x000000000098E000-memory.dmp
    Filesize

    184KB

  • memory/1876-55-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp
    Filesize

    9.9MB

  • memory/1876-58-0x000007FEFC441000-0x000007FEFC443000-memory.dmp
    Filesize

    8KB

  • memory/1876-56-0x0000000000140000-0x0000000000146000-memory.dmp
    Filesize

    24KB

  • memory/1876-57-0x00000000008D0000-0x00000000008D2000-memory.dmp
    Filesize

    8KB

  • memory/1992-97-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1992-98-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1992-106-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1992-107-0x0000000074E20000-0x000000007550E000-memory.dmp
    Filesize

    6.9MB

  • memory/1992-108-0x0000000004C20000-0x0000000004C21000-memory.dmp
    Filesize

    4KB