Analysis

  • max time kernel
    145s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-11-2020 09:09

General

  • Target

    37e5097a138728324bb9a79be78492ee.exe

  • Size

    667KB

  • MD5

    37e5097a138728324bb9a79be78492ee

  • SHA1

    ffcb62fee234b89573995099b769e5bd1b2014b6

  • SHA256

    89a5f32eeea38b1f18e8780bfdf95e5602fa66195c33460d55871e6edfbb8351

  • SHA512

    08def13baa4efbaf22fdb78750f65bf827403d1c4668ef96d72602797c33be2a2ee22d82ca58d149174bdccd200a04bc978f3c44fc25632869e613b6cac2e4c0

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 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 12 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37e5097a138728324bb9a79be78492ee.exe
    "C:\Users\Admin\AppData\Local\Temp\37e5097a138728324bb9a79be78492ee.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 756
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 864
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 1208
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 1568
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2504
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 1572
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4016
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
      bestof.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1888
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3984
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:196
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 3
            5⤵
            • Runs ping.exe
            PID:3884
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
      bestofd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 536
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3148
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 516
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 1288
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 1304
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 1320
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2248
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 1340
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3356
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 1368
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2080

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
    MD5

    b77a1d58626a5d4a77202afbf717accb

    SHA1

    1a37bf11e2b75384785d05780fe17fe1167bfbb1

    SHA256

    a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13

    SHA512

    d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26

  • C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
    MD5

    b77a1d58626a5d4a77202afbf717accb

    SHA1

    1a37bf11e2b75384785d05780fe17fe1167bfbb1

    SHA256

    a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13

    SHA512

    d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26

  • C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
    MD5

    72131adb0e2315281aae445db11e09a2

    SHA1

    712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e

    SHA256

    9ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65

    SHA512

    bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22

  • C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
    MD5

    72131adb0e2315281aae445db11e09a2

    SHA1

    712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e

    SHA256

    9ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65

    SHA512

    bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22

  • memory/188-9-0x0000000004930000-0x0000000004931000-memory.dmp
    Filesize

    4KB

  • memory/188-6-0x00000000045F0000-0x00000000045F1000-memory.dmp
    Filesize

    4KB

  • memory/196-164-0x0000000000000000-mapping.dmp
  • memory/1852-0-0x0000000002443000-0x0000000002444000-memory.dmp
    Filesize

    4KB

  • memory/1852-1-0x0000000002800000-0x0000000002801000-memory.dmp
    Filesize

    4KB

  • memory/1864-62-0x00000000048A0000-0x00000000048A1000-memory.dmp
    Filesize

    4KB

  • memory/1864-70-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
    Filesize

    4KB

  • memory/1888-22-0x0000000000000000-mapping.dmp
  • memory/1888-25-0x0000000072F20000-0x000000007360E000-memory.dmp
    Filesize

    6.9MB

  • memory/1888-26-0x0000000000B70000-0x0000000000B71000-memory.dmp
    Filesize

    4KB

  • memory/2080-171-0x0000000004800000-0x0000000004801000-memory.dmp
    Filesize

    4KB

  • memory/2248-125-0x00000000045F0000-0x00000000045F1000-memory.dmp
    Filesize

    4KB

  • memory/2248-137-0x0000000004F20000-0x0000000004F21000-memory.dmp
    Filesize

    4KB

  • memory/2284-13-0x0000000004A20000-0x0000000004A21000-memory.dmp
    Filesize

    4KB

  • memory/2284-10-0x00000000045F0000-0x00000000045F1000-memory.dmp
    Filesize

    4KB

  • memory/2504-14-0x00000000045F0000-0x00000000045F1000-memory.dmp
    Filesize

    4KB

  • memory/2540-95-0x0000000005130000-0x0000000005131000-memory.dmp
    Filesize

    4KB

  • memory/2540-85-0x0000000004780000-0x0000000004781000-memory.dmp
    Filesize

    4KB

  • memory/2660-117-0x00000000051F0000-0x00000000051F1000-memory.dmp
    Filesize

    4KB

  • memory/2660-105-0x00000000049C0000-0x00000000049C1000-memory.dmp
    Filesize

    4KB

  • memory/3148-49-0x00000000045F0000-0x00000000045F1000-memory.dmp
    Filesize

    4KB

  • memory/3148-57-0x0000000004D20000-0x0000000004D21000-memory.dmp
    Filesize

    4KB

  • memory/3148-50-0x00000000045F0000-0x00000000045F1000-memory.dmp
    Filesize

    4KB

  • memory/3356-146-0x0000000004980000-0x0000000004981000-memory.dmp
    Filesize

    4KB

  • memory/3356-160-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
    Filesize

    4KB

  • memory/3476-5-0x0000000005560000-0x0000000005561000-memory.dmp
    Filesize

    4KB

  • memory/3476-3-0x0000000005030000-0x0000000005031000-memory.dmp
    Filesize

    4KB

  • memory/3476-2-0x0000000005030000-0x0000000005031000-memory.dmp
    Filesize

    4KB

  • memory/3864-104-0x0000000000000000-mapping.dmp
  • memory/3864-122-0x0000000000000000-mapping.dmp
  • memory/3864-46-0x00000000041E0000-0x00000000041E1000-memory.dmp
    Filesize

    4KB

  • memory/3864-47-0x0000000072F20000-0x000000007360E000-memory.dmp
    Filesize

    6.9MB

  • memory/3864-193-0x0000000000000000-mapping.dmp
  • memory/3864-44-0x0000000003FA0000-0x0000000003FA1000-memory.dmp
    Filesize

    4KB

  • memory/3864-43-0x0000000002364000-0x0000000002365000-memory.dmp
    Filesize

    4KB

  • memory/3864-52-0x0000000000000000-mapping.dmp
  • memory/3864-53-0x0000000000000000-mapping.dmp
  • memory/3864-54-0x0000000000000000-mapping.dmp
  • memory/3864-55-0x0000000000000000-mapping.dmp
  • memory/3864-56-0x0000000000000000-mapping.dmp
  • memory/3864-192-0x0000000000000000-mapping.dmp
  • memory/3864-59-0x0000000000000000-mapping.dmp
  • memory/3864-58-0x0000000000000000-mapping.dmp
  • memory/3864-60-0x0000000000000000-mapping.dmp
  • memory/3864-61-0x0000000000000000-mapping.dmp
  • memory/3864-191-0x0000000000000000-mapping.dmp
  • memory/3864-65-0x0000000000000000-mapping.dmp
  • memory/3864-66-0x0000000000000000-mapping.dmp
  • memory/3864-67-0x0000000000000000-mapping.dmp
  • memory/3864-68-0x0000000000000000-mapping.dmp
  • memory/3864-69-0x0000000000000000-mapping.dmp
  • memory/3864-38-0x0000000000000000-mapping.dmp
  • memory/3864-71-0x0000000000000000-mapping.dmp
  • memory/3864-73-0x0000000000000000-mapping.dmp
  • memory/3864-72-0x0000000000000000-mapping.dmp
  • memory/3864-74-0x0000000000000000-mapping.dmp
  • memory/3864-75-0x00000000042A0000-0x00000000042C4000-memory.dmp
    Filesize

    144KB

  • memory/3864-77-0x0000000004310000-0x0000000004332000-memory.dmp
    Filesize

    136KB

  • memory/3864-190-0x0000000000000000-mapping.dmp
  • memory/3864-189-0x0000000000000000-mapping.dmp
  • memory/3864-188-0x0000000000000000-mapping.dmp
  • memory/3864-89-0x0000000000000000-mapping.dmp
  • memory/3864-90-0x0000000000000000-mapping.dmp
  • memory/3864-88-0x0000000000000000-mapping.dmp
  • memory/3864-91-0x0000000000000000-mapping.dmp
  • memory/3864-92-0x0000000000000000-mapping.dmp
  • memory/3864-93-0x0000000000000000-mapping.dmp
  • memory/3864-94-0x0000000000000000-mapping.dmp
  • memory/3864-186-0x0000000000000000-mapping.dmp
  • memory/3864-187-0x0000000000000000-mapping.dmp
  • memory/3864-98-0x0000000000000000-mapping.dmp
  • memory/3864-185-0x0000000000000000-mapping.dmp
  • memory/3864-101-0x0000000000000000-mapping.dmp
  • memory/3864-99-0x0000000000000000-mapping.dmp
  • memory/3864-102-0x0000000000000000-mapping.dmp
  • memory/3864-103-0x0000000000000000-mapping.dmp
  • memory/3864-183-0x0000000000000000-mapping.dmp
  • memory/3864-182-0x0000000000000000-mapping.dmp
  • memory/3864-181-0x0000000000000000-mapping.dmp
  • memory/3864-108-0x0000000000000000-mapping.dmp
  • memory/3864-111-0x0000000000000000-mapping.dmp
  • memory/3864-180-0x0000000000000000-mapping.dmp
  • memory/3864-109-0x0000000000000000-mapping.dmp
  • memory/3864-112-0x0000000000000000-mapping.dmp
  • memory/3864-113-0x0000000000000000-mapping.dmp
  • memory/3864-114-0x0000000000000000-mapping.dmp
  • memory/3864-115-0x0000000000000000-mapping.dmp
  • memory/3864-116-0x0000000000000000-mapping.dmp
  • memory/3864-179-0x0000000000000000-mapping.dmp
  • memory/3864-118-0x0000000000000000-mapping.dmp
  • memory/3864-119-0x0000000000000000-mapping.dmp
  • memory/3864-121-0x0000000000000000-mapping.dmp
  • memory/3864-120-0x0000000000000000-mapping.dmp
  • memory/3864-45-0x0000000003FA0000-0x0000000003FD2000-memory.dmp
    Filesize

    200KB

  • memory/3864-124-0x0000000000000000-mapping.dmp
  • memory/3864-123-0x0000000000000000-mapping.dmp
  • memory/3864-178-0x0000000000000000-mapping.dmp
  • memory/3864-128-0x0000000000000000-mapping.dmp
  • memory/3864-130-0x0000000000000000-mapping.dmp
  • memory/3864-129-0x0000000000000000-mapping.dmp
  • memory/3864-131-0x0000000000000000-mapping.dmp
  • memory/3864-132-0x0000000000000000-mapping.dmp
  • memory/3864-133-0x0000000000000000-mapping.dmp
  • memory/3864-134-0x0000000000000000-mapping.dmp
  • memory/3864-135-0x0000000000000000-mapping.dmp
  • memory/3864-136-0x0000000000000000-mapping.dmp
  • memory/3864-177-0x0000000000000000-mapping.dmp
  • memory/3864-138-0x0000000000000000-mapping.dmp
  • memory/3864-139-0x0000000000000000-mapping.dmp
  • memory/3864-140-0x0000000000000000-mapping.dmp
  • memory/3864-142-0x0000000000000000-mapping.dmp
  • memory/3864-143-0x0000000000000000-mapping.dmp
  • memory/3864-144-0x0000000000000000-mapping.dmp
  • memory/3864-145-0x0000000000000000-mapping.dmp
  • memory/3864-141-0x0000000000000000-mapping.dmp
  • memory/3864-176-0x0000000000000000-mapping.dmp
  • memory/3864-175-0x0000000000000000-mapping.dmp
  • memory/3864-151-0x0000000000000000-mapping.dmp
  • memory/3864-153-0x0000000000000000-mapping.dmp
  • memory/3864-154-0x0000000000000000-mapping.dmp
  • memory/3864-156-0x0000000000000000-mapping.dmp
  • memory/3864-155-0x0000000000000000-mapping.dmp
  • memory/3864-158-0x0000000000000000-mapping.dmp
  • memory/3864-174-0x0000000000000000-mapping.dmp
  • memory/3864-169-0x0000000000000000-mapping.dmp
  • memory/3864-157-0x0000000000000000-mapping.dmp
  • memory/3864-152-0x0000000000000000-mapping.dmp
  • memory/3864-150-0x0000000000000000-mapping.dmp
  • memory/3864-161-0x0000000000000000-mapping.dmp
  • memory/3864-162-0x0000000000000000-mapping.dmp
  • memory/3864-163-0x0000000000000000-mapping.dmp
  • memory/3864-165-0x0000000000000000-mapping.dmp
  • memory/3864-166-0x0000000000000000-mapping.dmp
  • memory/3864-167-0x0000000000000000-mapping.dmp
  • memory/3864-168-0x0000000000000000-mapping.dmp
  • memory/3884-170-0x0000000000000000-mapping.dmp
  • memory/3984-110-0x00000000077E0000-0x00000000077E1000-memory.dmp
    Filesize

    4KB

  • memory/3984-37-0x0000000005260000-0x0000000005261000-memory.dmp
    Filesize

    4KB

  • memory/3984-97-0x0000000006E20000-0x0000000006E21000-memory.dmp
    Filesize

    4KB

  • memory/3984-29-0x000000000040CD2F-mapping.dmp
  • memory/3984-149-0x0000000008800000-0x0000000008801000-memory.dmp
    Filesize

    4KB

  • memory/3984-30-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/3984-31-0x0000000002A40000-0x0000000002A41000-memory.dmp
    Filesize

    4KB

  • memory/3984-32-0x0000000072F20000-0x000000007360E000-memory.dmp
    Filesize

    6.9MB

  • memory/3984-35-0x0000000005150000-0x0000000005172000-memory.dmp
    Filesize

    136KB

  • memory/3984-28-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/3984-48-0x0000000005550000-0x0000000005551000-memory.dmp
    Filesize

    4KB

  • memory/3984-34-0x00000000057C0000-0x00000000057C1000-memory.dmp
    Filesize

    4KB

  • memory/3984-33-0x0000000002BA0000-0x0000000002BC4000-memory.dmp
    Filesize

    144KB

  • memory/3984-100-0x0000000006EA0000-0x0000000006EA1000-memory.dmp
    Filesize

    4KB

  • memory/3984-96-0x0000000006D80000-0x0000000006D81000-memory.dmp
    Filesize

    4KB

  • memory/3984-36-0x00000000062D0000-0x00000000062D1000-memory.dmp
    Filesize

    4KB

  • memory/3984-159-0x00000000088F0000-0x00000000088F1000-memory.dmp
    Filesize

    4KB

  • memory/3984-84-0x00000000072B0000-0x00000000072B1000-memory.dmp
    Filesize

    4KB

  • memory/3984-83-0x0000000006BB0000-0x0000000006BB1000-memory.dmp
    Filesize

    4KB

  • memory/3984-41-0x0000000005240000-0x0000000005241000-memory.dmp
    Filesize

    4KB

  • memory/3984-42-0x00000000052C0000-0x00000000052C1000-memory.dmp
    Filesize

    4KB

  • memory/4016-18-0x0000000004E60000-0x0000000004E61000-memory.dmp
    Filesize

    4KB