Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01-11-2020 07:09

General

  • Target

    c874fdd56be015a88e2601fef012e65b.exe

  • Size

    780KB

  • MD5

    c874fdd56be015a88e2601fef012e65b

  • SHA1

    1665a05e0df0e9e7591169c51c9f4786e272ea9f

  • SHA256

    3a03caf2576c95ca77b28748f1a697e3f8572975500b1c72ca711c489e1d7b12

  • SHA512

    5bb69f9cb67f7fc0d6c6f91609f513063b2feb03f789c1a39772523d63267ec72da7ea83356e5c43eb1427f46a6edd0c4c7d924e0223e39ddb7e55ad03ee3de0

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 51 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\c874fdd56be015a88e2601fef012e65b.exe
    "C:\Users\Admin\AppData\Local\Temp\c874fdd56be015a88e2601fef012e65b.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 752
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 860
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1204
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1564
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1536
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
      bestof.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 540
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3508
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 532
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1428
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1016
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1028
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1244
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:496
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1304
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:200
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1328
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1620
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1892
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1596
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3956

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

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/200-206-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/200-223-0x0000000004C60000-0x0000000004C61000-memory.dmp
    Filesize

    4KB

  • memory/200-213-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/424-75-0x0000000005630000-0x0000000005631000-memory.dmp
    Filesize

    4KB

  • memory/424-69-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
    Filesize

    4KB

  • memory/496-121-0x0000000005020000-0x0000000005021000-memory.dmp
    Filesize

    4KB

  • memory/496-133-0x0000000005750000-0x0000000005751000-memory.dmp
    Filesize

    4KB

  • memory/756-1-0x00000000041A0000-0x00000000041A1000-memory.dmp
    Filesize

    4KB

  • memory/1428-54-0x0000000004B70000-0x0000000004B71000-memory.dmp
    Filesize

    4KB

  • memory/1428-63-0x00000000050A0000-0x00000000050A1000-memory.dmp
    Filesize

    4KB

  • memory/1444-232-0x0000000004980000-0x0000000004981000-memory.dmp
    Filesize

    4KB

  • memory/1464-113-0x0000000004B60000-0x0000000004B61000-memory.dmp
    Filesize

    4KB

  • memory/1464-99-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/1464-104-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/1940-6-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/1940-9-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
    Filesize

    4KB

  • memory/2136-21-0x0000000004B10000-0x0000000004B11000-memory.dmp
    Filesize

    4KB

  • memory/2136-24-0x0000000005440000-0x0000000005441000-memory.dmp
    Filesize

    4KB

  • memory/2348-13-0x00000000053C0000-0x00000000053C1000-memory.dmp
    Filesize

    4KB

  • memory/2348-10-0x0000000004C90000-0x0000000004C91000-memory.dmp
    Filesize

    4KB

  • memory/2696-93-0x0000000005810000-0x0000000005811000-memory.dmp
    Filesize

    4KB

  • memory/2696-84-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
    Filesize

    4KB

  • memory/2796-5-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB

  • memory/2796-2-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
    Filesize

    4KB

  • memory/2796-3-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
    Filesize

    4KB

  • memory/2824-89-0x0000000000000000-mapping.dmp
  • memory/2824-109-0x0000000000000000-mapping.dmp
  • memory/2824-46-0x0000000000000000-mapping.dmp
  • memory/2824-47-0x0000000000000000-mapping.dmp
  • memory/2824-48-0x0000000004030000-0x0000000004031000-memory.dmp
    Filesize

    4KB

  • memory/2824-49-0x0000000004030000-0x0000000004031000-memory.dmp
    Filesize

    4KB

  • memory/2824-50-0x0000000004030000-0x0000000004031000-memory.dmp
    Filesize

    4KB

  • memory/2824-25-0x0000000000000000-mapping.dmp
  • memory/2824-44-0x0000000000000000-mapping.dmp
  • memory/2824-231-0x0000000000000000-mapping.dmp
  • memory/2824-58-0x0000000000000000-mapping.dmp
  • memory/2824-59-0x0000000000000000-mapping.dmp
  • memory/2824-60-0x0000000000000000-mapping.dmp
  • memory/2824-61-0x0000000000000000-mapping.dmp
  • memory/2824-62-0x0000000000000000-mapping.dmp
  • memory/2824-230-0x0000000000000000-mapping.dmp
  • memory/2824-64-0x0000000000000000-mapping.dmp
  • memory/2824-65-0x0000000000000000-mapping.dmp
  • memory/2824-66-0x0000000000000000-mapping.dmp
  • memory/2824-67-0x0000000000000000-mapping.dmp
  • memory/2824-68-0x0000000004030000-0x0000000004031000-memory.dmp
    Filesize

    4KB

  • memory/2824-42-0x0000000000000000-mapping.dmp
  • memory/2824-70-0x0000000004030000-0x0000000004054000-memory.dmp
    Filesize

    144KB

  • memory/2824-73-0x00000000068C0000-0x00000000068C1000-memory.dmp
    Filesize

    4KB

  • memory/2824-74-0x0000000006DC0000-0x0000000006DE2000-memory.dmp
    Filesize

    136KB

  • memory/2824-41-0x0000000000000000-mapping.dmp
  • memory/2824-76-0x0000000006DF0000-0x0000000006DF1000-memory.dmp
    Filesize

    4KB

  • memory/2824-77-0x0000000007460000-0x0000000007461000-memory.dmp
    Filesize

    4KB

  • memory/2824-79-0x00000000074A0000-0x00000000074A1000-memory.dmp
    Filesize

    4KB

  • memory/2824-229-0x0000000000000000-mapping.dmp
  • memory/2824-228-0x0000000000000000-mapping.dmp
  • memory/2824-83-0x00000000074F0000-0x00000000074F1000-memory.dmp
    Filesize

    4KB

  • memory/2824-40-0x0000000000000000-mapping.dmp
  • memory/2824-88-0x0000000000000000-mapping.dmp
  • memory/2824-87-0x0000000000000000-mapping.dmp
  • memory/2824-39-0x0000000000000000-mapping.dmp
  • memory/2824-91-0x0000000000000000-mapping.dmp
  • memory/2824-90-0x0000000000000000-mapping.dmp
  • memory/2824-92-0x0000000000000000-mapping.dmp
  • memory/2824-227-0x0000000000000000-mapping.dmp
  • memory/2824-94-0x0000000000000000-mapping.dmp
  • memory/2824-95-0x0000000000000000-mapping.dmp
  • memory/2824-96-0x0000000000000000-mapping.dmp
  • memory/2824-97-0x0000000000000000-mapping.dmp
  • memory/2824-98-0x0000000000000000-mapping.dmp
  • memory/2824-226-0x0000000000000000-mapping.dmp
  • memory/2824-225-0x0000000000000000-mapping.dmp
  • memory/2824-107-0x0000000000000000-mapping.dmp
  • memory/2824-106-0x0000000000000000-mapping.dmp
  • memory/2824-45-0x0000000000000000-mapping.dmp
  • memory/2824-110-0x0000000000000000-mapping.dmp
  • memory/2824-111-0x0000000000000000-mapping.dmp
  • memory/2824-112-0x0000000000000000-mapping.dmp
  • memory/2824-108-0x0000000000000000-mapping.dmp
  • memory/2824-224-0x0000000000000000-mapping.dmp
  • memory/2824-115-0x0000000000000000-mapping.dmp
  • memory/2824-114-0x0000000000000000-mapping.dmp
  • memory/2824-116-0x0000000000000000-mapping.dmp
  • memory/2824-117-0x0000000000000000-mapping.dmp
  • memory/2824-119-0x0000000000000000-mapping.dmp
  • memory/2824-120-0x0000000000000000-mapping.dmp
  • memory/2824-118-0x0000000007B10000-0x0000000007B11000-memory.dmp
    Filesize

    4KB

  • memory/2824-33-0x0000000072AC0000-0x00000000731AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2824-124-0x0000000000000000-mapping.dmp
  • memory/2824-125-0x0000000000000000-mapping.dmp
  • memory/2824-126-0x0000000000000000-mapping.dmp
  • memory/2824-127-0x0000000000000000-mapping.dmp
  • memory/2824-128-0x0000000000000000-mapping.dmp
  • memory/2824-129-0x0000000000000000-mapping.dmp
  • memory/2824-130-0x0000000000000000-mapping.dmp
  • memory/2824-131-0x0000000000000000-mapping.dmp
  • memory/2824-31-0x00000000042D0000-0x00000000042D1000-memory.dmp
    Filesize

    4KB

  • memory/2824-199-0x0000000000000000-mapping.dmp
  • memory/2824-201-0x0000000000000000-mapping.dmp
  • memory/2824-202-0x0000000000000000-mapping.dmp
  • memory/2824-203-0x0000000000000000-mapping.dmp
  • memory/2824-204-0x0000000000000000-mapping.dmp
  • memory/2824-205-0x0000000000000000-mapping.dmp
  • memory/2824-200-0x0000000000000000-mapping.dmp
  • memory/2824-30-0x0000000003FF0000-0x0000000003FF1000-memory.dmp
    Filesize

    4KB

  • memory/2824-29-0x0000000003FF0000-0x0000000003FF1000-memory.dmp
    Filesize

    4KB

  • memory/2824-214-0x0000000000000000-mapping.dmp
  • memory/2824-215-0x0000000000000000-mapping.dmp
  • memory/2824-217-0x0000000000000000-mapping.dmp
  • memory/2824-216-0x0000000000000000-mapping.dmp
  • memory/2824-218-0x0000000000000000-mapping.dmp
  • memory/2824-219-0x0000000000000000-mapping.dmp
  • memory/2824-220-0x0000000000000000-mapping.dmp
  • memory/2824-221-0x0000000000000000-mapping.dmp
  • memory/2824-222-0x0000000000000000-mapping.dmp
  • memory/2824-28-0x00000000023E4000-0x00000000023E5000-memory.dmp
    Filesize

    4KB

  • memory/3108-17-0x0000000004D50000-0x0000000004D51000-memory.dmp
    Filesize

    4KB

  • memory/3108-20-0x0000000005580000-0x0000000005581000-memory.dmp
    Filesize

    4KB

  • memory/3508-37-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/3508-36-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/3508-43-0x0000000004E20000-0x0000000004E21000-memory.dmp
    Filesize

    4KB

  • memory/3956-82-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
    Filesize

    4KB

  • memory/3956-78-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/4076-57-0x0000000005230000-0x0000000005231000-memory.dmp
    Filesize

    4KB

  • memory/4076-51-0x0000000004900000-0x0000000004901000-memory.dmp
    Filesize

    4KB