Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01-11-2020 06:58

General

  • Target

    dff3603e6c6dec84c44d48104e6947d2.exe

  • Size

    772KB

  • MD5

    dff3603e6c6dec84c44d48104e6947d2

  • SHA1

    842aee27bf50c97bdc41b90d7d29c20d70c0fb52

  • SHA256

    6feaf68897c8b589bd2c93a69819e02abf8d9f3e2a0cfd61eef658cedd83dd8d

  • SHA512

    9f3994d0f6750bb94d342586349e8ba86feb1a02a6c4c1a2c6bfc95cc785de11ed639567d842930c079c8b4b83686d538045e5bdbc591ee4c2a138e631cfe9bb

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 64 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 15 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dff3603e6c6dec84c44d48104e6947d2.exe
    "C:\Users\Admin\AppData\Local\Temp\dff3603e6c6dec84c44d48104e6947d2.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 756
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 848
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1208
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1308
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1580
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1624
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2116
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
      bestof.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 536
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2644
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 688
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1260
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3024
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1288
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2688
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1320
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2576
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1376
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1692
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1932
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1684
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe

    MD5

    6943b3380427465a7998ddf3a96945a0

    SHA1

    abb680ef5e005da1610828d518c15a250b001fd9

    SHA256

    94e489927f1f04b50d80382b4ebbb245d8b0cd55f36dac8d7de3c543cbf361fb

    SHA512

    5c8fb35986df56b3f6f7b850a98455ab3d767372b57838d54c9faf280826975a0f2a0828fa977469a3d5e02ce9f7bea23e8b574cf793f4264f385e871de8277d

  • C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe

    MD5

    6943b3380427465a7998ddf3a96945a0

    SHA1

    abb680ef5e005da1610828d518c15a250b001fd9

    SHA256

    94e489927f1f04b50d80382b4ebbb245d8b0cd55f36dac8d7de3c543cbf361fb

    SHA512

    5c8fb35986df56b3f6f7b850a98455ab3d767372b57838d54c9faf280826975a0f2a0828fa977469a3d5e02ce9f7bea23e8b574cf793f4264f385e871de8277d

  • memory/696-360-0x0000000005210000-0x0000000005211000-memory.dmp

    Filesize

    4KB

  • memory/696-347-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

    Filesize

    4KB

  • memory/996-110-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

    Filesize

    4KB

  • memory/996-101-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/2116-27-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

    Filesize

    4KB

  • memory/2116-24-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/2136-116-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/2136-125-0x0000000004A70000-0x0000000004A71000-memory.dmp

    Filesize

    4KB

  • memory/2312-13-0x00000000052B0000-0x00000000052B1000-memory.dmp

    Filesize

    4KB

  • memory/2312-10-0x0000000004980000-0x0000000004981000-memory.dmp

    Filesize

    4KB

  • memory/2348-76-0x0000000004B60000-0x0000000004B61000-memory.dmp

    Filesize

    4KB

  • memory/2348-64-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/2576-324-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

    Filesize

    4KB

  • memory/2576-337-0x00000000053D0000-0x00000000053D1000-memory.dmp

    Filesize

    4KB

  • memory/2644-37-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/2644-45-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

    Filesize

    4KB

  • memory/2644-38-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/2688-229-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/2688-246-0x0000000004C60000-0x0000000004C61000-memory.dmp

    Filesize

    4KB

  • memory/2712-216-0x0000000000000000-mapping.dmp

  • memory/2712-228-0x0000000000000000-mapping.dmp

  • memory/2712-35-0x0000000072AC0000-0x00000000731AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2712-40-0x0000000000000000-mapping.dmp

  • memory/2712-41-0x0000000000000000-mapping.dmp

  • memory/2712-42-0x0000000000000000-mapping.dmp

  • memory/2712-43-0x0000000000000000-mapping.dmp

  • memory/2712-32-0x0000000004100000-0x0000000004101000-memory.dmp

    Filesize

    4KB

  • memory/2712-31-0x0000000002414000-0x0000000002415000-memory.dmp

    Filesize

    4KB

  • memory/2712-28-0x0000000000000000-mapping.dmp

  • memory/2712-89-0x0000000000000000-mapping.dmp

  • memory/2712-90-0x0000000000000000-mapping.dmp

  • memory/2712-91-0x0000000000000000-mapping.dmp

  • memory/2712-92-0x0000000000000000-mapping.dmp

  • memory/2712-93-0x0000000004100000-0x0000000004101000-memory.dmp

    Filesize

    4KB

  • memory/2712-362-0x0000000000000000-mapping.dmp

  • memory/2712-96-0x0000000004100000-0x0000000004101000-memory.dmp

    Filesize

    4KB

  • memory/2712-98-0x0000000004100000-0x0000000004101000-memory.dmp

    Filesize

    4KB

  • memory/2712-361-0x0000000000000000-mapping.dmp

  • memory/2712-105-0x0000000000000000-mapping.dmp

  • memory/2712-106-0x0000000000000000-mapping.dmp

  • memory/2712-107-0x0000000000000000-mapping.dmp

  • memory/2712-108-0x0000000000000000-mapping.dmp

  • memory/2712-109-0x0000000000000000-mapping.dmp

  • memory/2712-359-0x0000000000000000-mapping.dmp

  • memory/2712-111-0x0000000000000000-mapping.dmp

  • memory/2712-112-0x0000000000000000-mapping.dmp

  • memory/2712-114-0x0000000000000000-mapping.dmp

  • memory/2712-113-0x0000000000000000-mapping.dmp

  • memory/2712-115-0x0000000004100000-0x0000000004101000-memory.dmp

    Filesize

    4KB

  • memory/2712-358-0x0000000000000000-mapping.dmp

  • memory/2712-118-0x0000000004280000-0x00000000042A4000-memory.dmp

    Filesize

    144KB

  • memory/2712-121-0x0000000006A60000-0x0000000006A61000-memory.dmp

    Filesize

    4KB

  • memory/2712-123-0x0000000004420000-0x0000000004442000-memory.dmp

    Filesize

    136KB

  • memory/2712-126-0x0000000006F60000-0x0000000006F61000-memory.dmp

    Filesize

    4KB

  • memory/2712-356-0x0000000000000000-mapping.dmp

  • memory/2712-130-0x0000000006940000-0x0000000006941000-memory.dmp

    Filesize

    4KB

  • memory/2712-133-0x0000000006980000-0x0000000006981000-memory.dmp

    Filesize

    4KB

  • memory/2712-141-0x00000000069D0000-0x00000000069D1000-memory.dmp

    Filesize

    4KB

  • memory/2712-154-0x0000000007770000-0x0000000007771000-memory.dmp

    Filesize

    4KB

  • memory/2712-357-0x0000000000000000-mapping.dmp

  • memory/2712-355-0x0000000000000000-mapping.dmp

  • memory/2712-351-0x0000000000000000-mapping.dmp

  • memory/2712-213-0x0000000000000000-mapping.dmp

  • memory/2712-352-0x0000000000000000-mapping.dmp

  • memory/2712-217-0x0000000000000000-mapping.dmp

  • memory/2712-219-0x0000000000000000-mapping.dmp

  • memory/2712-220-0x0000000000000000-mapping.dmp

  • memory/2712-221-0x0000000000000000-mapping.dmp

  • memory/2712-353-0x0000000000000000-mapping.dmp

  • memory/2712-224-0x0000000000000000-mapping.dmp

  • memory/2712-223-0x0000000000000000-mapping.dmp

  • memory/2712-225-0x0000000000000000-mapping.dmp

  • memory/2712-226-0x0000000000000000-mapping.dmp

  • memory/2712-227-0x0000000000000000-mapping.dmp

  • memory/2712-33-0x00000000042D0000-0x00000000042D1000-memory.dmp

    Filesize

    4KB

  • memory/2712-354-0x0000000000000000-mapping.dmp

  • memory/2712-238-0x0000000000000000-mapping.dmp

  • memory/2712-239-0x0000000000000000-mapping.dmp

  • memory/2712-240-0x0000000000000000-mapping.dmp

  • memory/2712-241-0x0000000000000000-mapping.dmp

  • memory/2712-242-0x0000000000000000-mapping.dmp

  • memory/2712-243-0x0000000000000000-mapping.dmp

  • memory/2712-244-0x0000000000000000-mapping.dmp

  • memory/2712-237-0x0000000000000000-mapping.dmp

  • memory/2712-350-0x0000000000000000-mapping.dmp

  • memory/2712-316-0x0000000000000000-mapping.dmp

  • memory/2712-317-0x0000000000000000-mapping.dmp

  • memory/2712-318-0x0000000000000000-mapping.dmp

  • memory/2712-319-0x0000000000000000-mapping.dmp

  • memory/2712-320-0x0000000000000000-mapping.dmp

  • memory/2712-321-0x0000000000000000-mapping.dmp

  • memory/2712-322-0x0000000000000000-mapping.dmp

  • memory/2712-323-0x0000000000000000-mapping.dmp

  • memory/2712-345-0x0000000000000000-mapping.dmp

  • memory/2712-327-0x0000000000000000-mapping.dmp

  • memory/2712-328-0x0000000000000000-mapping.dmp

  • memory/2712-329-0x0000000000000000-mapping.dmp

  • memory/2712-330-0x0000000000000000-mapping.dmp

  • memory/2712-331-0x0000000000000000-mapping.dmp

  • memory/2712-332-0x0000000000000000-mapping.dmp

  • memory/2712-333-0x0000000000000000-mapping.dmp

  • memory/2712-334-0x0000000000000000-mapping.dmp

  • memory/2712-335-0x0000000000000000-mapping.dmp

  • memory/2712-336-0x0000000000000000-mapping.dmp

  • memory/2712-346-0x0000000000000000-mapping.dmp

  • memory/2712-340-0x0000000000000000-mapping.dmp

  • memory/2712-341-0x0000000000000000-mapping.dmp

  • memory/2712-339-0x0000000000000000-mapping.dmp

  • memory/2712-338-0x0000000000000000-mapping.dmp

  • memory/2712-343-0x0000000000000000-mapping.dmp

  • memory/2712-344-0x0000000000000000-mapping.dmp

  • memory/2712-342-0x0000000000000000-mapping.dmp

  • memory/2828-14-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/2828-19-0x0000000004A70000-0x0000000004A71000-memory.dmp

    Filesize

    4KB

  • memory/3024-222-0x0000000004C60000-0x0000000004C61000-memory.dmp

    Filesize

    4KB

  • memory/3024-210-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/3024-204-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/3024-194-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/3632-94-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/3984-5-0x0000000005590000-0x0000000005591000-memory.dmp

    Filesize

    4KB

  • memory/3984-2-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

    Filesize

    4KB

  • memory/3984-3-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

    Filesize

    4KB

  • memory/4060-9-0x0000000004E40000-0x0000000004E41000-memory.dmp

    Filesize

    4KB

  • memory/4060-6-0x0000000004910000-0x0000000004911000-memory.dmp

    Filesize

    4KB

  • memory/4076-0-0x00000000023B6000-0x00000000023B8000-memory.dmp

    Filesize

    8KB

  • memory/4076-1-0x0000000004170000-0x0000000004171000-memory.dmp

    Filesize

    4KB

  • memory/4092-20-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

  • memory/4092-23-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

    Filesize

    4KB