Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-11-2020 09:16

General

  • Target

    07866fa1dcbca77e3bbf176946aace2f.exe

  • Size

    667KB

  • MD5

    07866fa1dcbca77e3bbf176946aace2f

  • SHA1

    eb70ddecafd9dec934b287086db2599491920416

  • SHA256

    4f96ce12b843720f2e1bee34e657bd4a7c04c4e7891ce66de0367a3e786f2375

  • SHA512

    03700c5f5f78cbd4c77451b25fee0007da0c2aba01080b536f9ddb05585183ad3eadd0612d4339b2d18bc4be1266336d222a0d9880501fb422407d0de8e98874

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 49 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 16 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07866fa1dcbca77e3bbf176946aace2f.exe
    "C:\Users\Admin\AppData\Local\Temp\07866fa1dcbca77e3bbf176946aace2f.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 756
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 804
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:200
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 1212
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 1544
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 1576
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 1504
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:420
    • 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:2484
      • 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:2088
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3388
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 3
            5⤵
            • Runs ping.exe
            PID:812
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
      bestofd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 656
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 664
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 1256
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1580
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 1328
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2768
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 1340
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 1316
        3⤵
        • Program crash
        PID:508

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/200-9-0x0000000005230000-0x0000000005231000-memory.dmp
    Filesize

    4KB

  • memory/200-6-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
    Filesize

    4KB

  • memory/420-22-0x00000000046A0000-0x00000000046A1000-memory.dmp
    Filesize

    4KB

  • memory/420-28-0x00000000048A0000-0x00000000048A1000-memory.dmp
    Filesize

    4KB

  • memory/508-224-0x0000000004B90000-0x0000000004B91000-memory.dmp
    Filesize

    4KB

  • memory/696-5-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
    Filesize

    4KB

  • memory/696-3-0x00000000046A0000-0x00000000046A1000-memory.dmp
    Filesize

    4KB

  • memory/696-2-0x00000000046A0000-0x00000000046A1000-memory.dmp
    Filesize

    4KB

  • memory/736-18-0x00000000046A0000-0x00000000046A1000-memory.dmp
    Filesize

    4KB

  • memory/736-21-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
    Filesize

    4KB

  • memory/812-219-0x0000000000000000-mapping.dmp
  • memory/996-152-0x0000000000000000-mapping.dmp
  • memory/996-138-0x0000000000000000-mapping.dmp
  • memory/996-187-0x0000000000000000-mapping.dmp
  • memory/996-221-0x0000000000000000-mapping.dmp
  • memory/996-223-0x0000000000000000-mapping.dmp
  • memory/996-222-0x0000000000000000-mapping.dmp
  • memory/996-220-0x0000000000000000-mapping.dmp
  • memory/996-217-0x0000000000000000-mapping.dmp
  • memory/996-218-0x0000000000000000-mapping.dmp
  • memory/996-214-0x0000000000000000-mapping.dmp
  • memory/996-213-0x0000000000000000-mapping.dmp
  • memory/996-212-0x0000000000000000-mapping.dmp
  • memory/996-211-0x0000000000000000-mapping.dmp
  • memory/996-210-0x0000000000000000-mapping.dmp
  • memory/996-209-0x0000000000000000-mapping.dmp
  • memory/996-113-0x0000000000000000-mapping.dmp
  • memory/996-208-0x0000000000000000-mapping.dmp
  • memory/996-202-0x0000000000000000-mapping.dmp
  • memory/996-200-0x0000000000000000-mapping.dmp
  • memory/996-201-0x0000000000000000-mapping.dmp
  • memory/996-121-0x00000000024D4000-0x00000000024D5000-memory.dmp
    Filesize

    4KB

  • memory/996-122-0x0000000004030000-0x0000000004031000-memory.dmp
    Filesize

    4KB

  • memory/996-123-0x0000000004030000-0x0000000004031000-memory.dmp
    Filesize

    4KB

  • memory/996-124-0x0000000004400000-0x0000000004401000-memory.dmp
    Filesize

    4KB

  • memory/996-125-0x0000000072570000-0x0000000072C5E000-memory.dmp
    Filesize

    6.9MB

  • memory/996-199-0x0000000000000000-mapping.dmp
  • memory/996-198-0x0000000000000000-mapping.dmp
  • memory/996-131-0x0000000000000000-mapping.dmp
  • memory/996-195-0x0000000000000000-mapping.dmp
  • memory/996-130-0x0000000000000000-mapping.dmp
  • memory/996-133-0x0000000000000000-mapping.dmp
  • memory/996-134-0x0000000000000000-mapping.dmp
  • memory/996-135-0x0000000000000000-mapping.dmp
  • memory/996-197-0x0000000000000000-mapping.dmp
  • memory/996-137-0x0000000000000000-mapping.dmp
  • memory/996-186-0x0000000000000000-mapping.dmp
  • memory/996-140-0x0000000000000000-mapping.dmp
  • memory/996-139-0x0000000000000000-mapping.dmp
  • memory/996-196-0x0000000000000000-mapping.dmp
  • memory/996-144-0x0000000000000000-mapping.dmp
  • memory/996-145-0x0000000000000000-mapping.dmp
  • memory/996-146-0x0000000000000000-mapping.dmp
  • memory/996-147-0x0000000000000000-mapping.dmp
  • memory/996-148-0x0000000000000000-mapping.dmp
  • memory/996-193-0x0000000000000000-mapping.dmp
  • memory/996-150-0x0000000000000000-mapping.dmp
  • memory/996-181-0x0000000000000000-mapping.dmp
  • memory/996-151-0x0000000000000000-mapping.dmp
  • memory/996-153-0x0000000000000000-mapping.dmp
  • memory/996-154-0x0000000004190000-0x00000000041B4000-memory.dmp
    Filesize

    144KB

  • memory/996-156-0x0000000004540000-0x0000000004562000-memory.dmp
    Filesize

    136KB

  • memory/996-192-0x0000000000000000-mapping.dmp
  • memory/996-191-0x0000000000000000-mapping.dmp
  • memory/996-180-0x0000000000000000-mapping.dmp
  • memory/996-190-0x0000000000000000-mapping.dmp
  • memory/996-188-0x0000000000000000-mapping.dmp
  • memory/996-170-0x0000000000000000-mapping.dmp
  • memory/996-171-0x0000000000000000-mapping.dmp
  • memory/996-189-0x0000000000000000-mapping.dmp
  • memory/996-172-0x0000000000000000-mapping.dmp
  • memory/996-173-0x0000000000000000-mapping.dmp
  • memory/996-174-0x0000000000000000-mapping.dmp
  • memory/996-175-0x0000000000000000-mapping.dmp
  • memory/996-179-0x0000000000000000-mapping.dmp
  • memory/996-177-0x0000000000000000-mapping.dmp
  • memory/996-178-0x0000000000000000-mapping.dmp
  • memory/1060-0-0x00000000024A3000-0x00000000024A4000-memory.dmp
    Filesize

    4KB

  • memory/1060-1-0x0000000002930000-0x0000000002931000-memory.dmp
    Filesize

    4KB

  • memory/1580-176-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
    Filesize

    4KB

  • memory/1580-164-0x00000000046A0000-0x00000000046A1000-memory.dmp
    Filesize

    4KB

  • memory/1944-128-0x00000000046A0000-0x00000000046A1000-memory.dmp
    Filesize

    4KB

  • memory/1944-136-0x00000000049E0000-0x00000000049E1000-memory.dmp
    Filesize

    4KB

  • memory/1944-127-0x00000000046A0000-0x00000000046A1000-memory.dmp
    Filesize

    4KB

  • memory/1956-10-0x0000000004A40000-0x0000000004A41000-memory.dmp
    Filesize

    4KB

  • memory/1956-13-0x0000000005070000-0x0000000005071000-memory.dmp
    Filesize

    4KB

  • memory/2088-120-0x00000000055B0000-0x00000000055B1000-memory.dmp
    Filesize

    4KB

  • memory/2088-106-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2088-162-0x0000000006DA0000-0x0000000006DA1000-memory.dmp
    Filesize

    4KB

  • memory/2088-109-0x0000000002C60000-0x0000000002C61000-memory.dmp
    Filesize

    4KB

  • memory/2088-182-0x0000000007460000-0x0000000007461000-memory.dmp
    Filesize

    4KB

  • memory/2088-107-0x000000000040CD2F-mapping.dmp
  • memory/2088-167-0x0000000007010000-0x0000000007011000-memory.dmp
    Filesize

    4KB

  • memory/2088-132-0x0000000005810000-0x0000000005811000-memory.dmp
    Filesize

    4KB

  • memory/2088-110-0x0000000072570000-0x0000000072C5E000-memory.dmp
    Filesize

    6.9MB

  • memory/2088-168-0x00000000070B0000-0x00000000070B1000-memory.dmp
    Filesize

    4KB

  • memory/2088-108-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2088-119-0x0000000005500000-0x0000000005501000-memory.dmp
    Filesize

    4KB

  • memory/2088-118-0x0000000005520000-0x0000000005521000-memory.dmp
    Filesize

    4KB

  • memory/2088-163-0x00000000074A0000-0x00000000074A1000-memory.dmp
    Filesize

    4KB

  • memory/2088-204-0x0000000001310000-0x0000000001311000-memory.dmp
    Filesize

    4KB

  • memory/2088-207-0x0000000008BC0000-0x0000000008BC1000-memory.dmp
    Filesize

    4KB

  • memory/2088-117-0x00000000065C0000-0x00000000065C1000-memory.dmp
    Filesize

    4KB

  • memory/2088-169-0x0000000007130000-0x0000000007131000-memory.dmp
    Filesize

    4KB

  • memory/2088-111-0x0000000002E50000-0x0000000002E74000-memory.dmp
    Filesize

    144KB

  • memory/2088-114-0x0000000002EC0000-0x0000000002EE2000-memory.dmp
    Filesize

    136KB

  • memory/2088-112-0x0000000005AB0000-0x0000000005AB1000-memory.dmp
    Filesize

    4KB

  • memory/2484-100-0x0000000000000000-mapping.dmp
  • memory/2484-104-0x0000000000180000-0x0000000000181000-memory.dmp
    Filesize

    4KB

  • memory/2484-103-0x0000000072570000-0x0000000072C5E000-memory.dmp
    Filesize

    6.9MB

  • memory/2648-14-0x0000000004D80000-0x0000000004D81000-memory.dmp
    Filesize

    4KB

  • memory/2648-17-0x0000000005630000-0x0000000005631000-memory.dmp
    Filesize

    4KB

  • memory/2696-141-0x00000000046A0000-0x00000000046A1000-memory.dmp
    Filesize

    4KB

  • memory/2696-149-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
    Filesize

    4KB

  • memory/2768-183-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
    Filesize

    4KB

  • memory/2768-194-0x00000000054E0000-0x00000000054E1000-memory.dmp
    Filesize

    4KB

  • memory/3056-215-0x0000000005350000-0x0000000005351000-memory.dmp
    Filesize

    4KB

  • memory/3056-203-0x0000000004A20000-0x0000000004A21000-memory.dmp
    Filesize

    4KB

  • memory/3388-216-0x0000000000000000-mapping.dmp