Analysis

  • max time kernel
    21s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-11-2020 09:10

General

  • Target

    f2fc44321ad998ffcebf1e4b8b1b8252.exe

  • Size

    667KB

  • MD5

    f2fc44321ad998ffcebf1e4b8b1b8252

  • SHA1

    dd09dbd421cd64791f87e3a9ba912d85e8421f2b

  • SHA256

    50c00ba4f97272838fbad92ea5f192ca154da696fb0691b1b730c025c930776f

  • SHA512

    e9250a80cd3e51558a09b61eb396cf2803a59d56f5d4fedc11ada1b0f5b2771166002dff52d34700b726571c1b01acdbe7e019b266db431ab10fd4ab4548c2ec

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 8 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 13 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2fc44321ad998ffcebf1e4b8b1b8252.exe
    "C:\Users\Admin\AppData\Local\Temp\f2fc44321ad998ffcebf1e4b8b1b8252.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 756
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 796
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 1208
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 1568
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 1572
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3332
    • 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:2196
      • 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
        PID:3832
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
      bestofd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 532
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3936
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 504
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2928
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 1264
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2260

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

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/152-161-0x0000000005170000-0x0000000005171000-memory.dmp
    Filesize

    4KB

  • memory/152-149-0x0000000004940000-0x0000000004941000-memory.dmp
    Filesize

    4KB

  • memory/212-14-0x00000000045A0000-0x00000000045A1000-memory.dmp
    Filesize

    4KB

  • memory/212-17-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
    Filesize

    4KB

  • memory/536-9-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
    Filesize

    4KB

  • memory/536-6-0x0000000004820000-0x0000000004821000-memory.dmp
    Filesize

    4KB

  • memory/656-0-0x0000000002503000-0x0000000002504000-memory.dmp
    Filesize

    4KB

  • memory/656-1-0x0000000002970000-0x0000000002971000-memory.dmp
    Filesize

    4KB

  • memory/1064-119-0x00000000057D0000-0x00000000057D1000-memory.dmp
    Filesize

    4KB

  • memory/1064-107-0x0000000005090000-0x0000000005091000-memory.dmp
    Filesize

    4KB

  • memory/2196-29-0x0000000000570000-0x0000000000571000-memory.dmp
    Filesize

    4KB

  • memory/2196-25-0x0000000000000000-mapping.dmp
  • memory/2196-28-0x0000000073190000-0x000000007387E000-memory.dmp
    Filesize

    6.9MB

  • memory/2260-100-0x00000000051D0000-0x00000000051D1000-memory.dmp
    Filesize

    4KB

  • memory/2260-90-0x00000000048A0000-0x00000000048A1000-memory.dmp
    Filesize

    4KB

  • memory/2928-63-0x00000000045A0000-0x00000000045A1000-memory.dmp
    Filesize

    4KB

  • memory/2928-68-0x00000000045A0000-0x00000000045A1000-memory.dmp
    Filesize

    4KB

  • memory/2928-77-0x00000000048A0000-0x00000000048A1000-memory.dmp
    Filesize

    4KB

  • memory/3332-24-0x0000000004B90000-0x0000000004B91000-memory.dmp
    Filesize

    4KB

  • memory/3332-23-0x00000000045A0000-0x00000000045A1000-memory.dmp
    Filesize

    4KB

  • memory/3332-18-0x00000000045A0000-0x00000000045A1000-memory.dmp
    Filesize

    4KB

  • memory/3368-183-0x00000000057D0000-0x00000000057D1000-memory.dmp
    Filesize

    4KB

  • memory/3368-170-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
    Filesize

    4KB

  • memory/3392-2-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
    Filesize

    4KB

  • memory/3392-3-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
    Filesize

    4KB

  • memory/3392-5-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB

  • memory/3412-10-0x00000000047B0000-0x00000000047B1000-memory.dmp
    Filesize

    4KB

  • memory/3412-13-0x00000000050E0000-0x00000000050E1000-memory.dmp
    Filesize

    4KB

  • memory/3832-31-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/3832-99-0x00000000063E0000-0x00000000063E1000-memory.dmp
    Filesize

    4KB

  • memory/3832-46-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
    Filesize

    4KB

  • memory/3832-34-0x00000000022E0000-0x00000000022E1000-memory.dmp
    Filesize

    4KB

  • memory/3832-33-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/3832-142-0x0000000006950000-0x0000000006951000-memory.dmp
    Filesize

    4KB

  • memory/3832-39-0x0000000005B00000-0x0000000005B01000-memory.dmp
    Filesize

    4KB

  • memory/3832-37-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
    Filesize

    4KB

  • memory/3832-75-0x0000000004D40000-0x0000000004D41000-memory.dmp
    Filesize

    4KB

  • memory/3832-101-0x0000000006AE0000-0x0000000006AE1000-memory.dmp
    Filesize

    4KB

  • memory/3832-122-0x0000000006650000-0x0000000006651000-memory.dmp
    Filesize

    4KB

  • memory/3832-120-0x0000000006340000-0x0000000006341000-memory.dmp
    Filesize

    4KB

  • memory/3832-118-0x00000000065B0000-0x00000000065B1000-memory.dmp
    Filesize

    4KB

  • memory/3832-36-0x0000000002290000-0x00000000022B4000-memory.dmp
    Filesize

    144KB

  • memory/3832-32-0x000000000040CD2F-mapping.dmp
  • memory/3832-38-0x0000000004960000-0x0000000004982000-memory.dmp
    Filesize

    136KB

  • memory/3832-44-0x0000000004A30000-0x0000000004A31000-memory.dmp
    Filesize

    4KB

  • memory/3832-35-0x0000000073190000-0x000000007387E000-memory.dmp
    Filesize

    6.9MB

  • memory/3832-43-0x0000000004A50000-0x0000000004A51000-memory.dmp
    Filesize

    4KB

  • memory/3936-58-0x0000000004F10000-0x0000000004F11000-memory.dmp
    Filesize

    4KB

  • memory/3936-51-0x00000000048E0000-0x00000000048E1000-memory.dmp
    Filesize

    4KB

  • memory/3936-50-0x00000000048E0000-0x00000000048E1000-memory.dmp
    Filesize

    4KB

  • memory/3944-129-0x00000000045A0000-0x00000000045A1000-memory.dmp
    Filesize

    4KB

  • memory/3944-140-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
    Filesize

    4KB

  • memory/4032-102-0x0000000000000000-mapping.dmp
  • memory/4032-137-0x0000000000000000-mapping.dmp
  • memory/4032-81-0x0000000000000000-mapping.dmp
  • memory/4032-78-0x0000000000000000-mapping.dmp
  • memory/4032-74-0x0000000000000000-mapping.dmp
  • memory/4032-72-0x0000000000000000-mapping.dmp
  • memory/4032-71-0x0000000000000000-mapping.dmp
  • memory/4032-84-0x0000000004310000-0x0000000004332000-memory.dmp
    Filesize

    136KB

  • memory/4032-82-0x0000000004020000-0x0000000004044000-memory.dmp
    Filesize

    144KB

  • memory/4032-79-0x0000000000000000-mapping.dmp
  • memory/4032-94-0x0000000000000000-mapping.dmp
  • memory/4032-97-0x0000000000000000-mapping.dmp
  • memory/4032-96-0x0000000000000000-mapping.dmp
  • memory/4032-95-0x0000000000000000-mapping.dmp
  • memory/4032-93-0x0000000000000000-mapping.dmp
  • memory/4032-76-0x0000000000000000-mapping.dmp
  • memory/4032-73-0x0000000000000000-mapping.dmp
  • memory/4032-103-0x0000000000000000-mapping.dmp
  • memory/4032-106-0x0000000000000000-mapping.dmp
  • memory/4032-105-0x0000000000000000-mapping.dmp
  • memory/4032-104-0x0000000000000000-mapping.dmp
  • memory/4032-62-0x0000000000000000-mapping.dmp
  • memory/4032-61-0x0000000000000000-mapping.dmp
  • memory/4032-98-0x0000000000000000-mapping.dmp
  • memory/4032-60-0x0000000000000000-mapping.dmp
  • memory/4032-112-0x0000000000000000-mapping.dmp
  • memory/4032-114-0x0000000000000000-mapping.dmp
  • memory/4032-115-0x0000000000000000-mapping.dmp
  • memory/4032-117-0x0000000000000000-mapping.dmp
  • memory/4032-116-0x0000000000000000-mapping.dmp
  • memory/4032-113-0x0000000000000000-mapping.dmp
  • memory/4032-111-0x0000000000000000-mapping.dmp
  • memory/4032-110-0x0000000000000000-mapping.dmp
  • memory/4032-59-0x0000000000000000-mapping.dmp
  • memory/4032-56-0x0000000000000000-mapping.dmp
  • memory/4032-57-0x0000000000000000-mapping.dmp
  • memory/4032-55-0x0000000000000000-mapping.dmp
  • memory/4032-123-0x0000000000000000-mapping.dmp
  • memory/4032-126-0x0000000000000000-mapping.dmp
  • memory/4032-128-0x0000000000000000-mapping.dmp
  • memory/4032-127-0x0000000000000000-mapping.dmp
  • memory/4032-125-0x0000000000000000-mapping.dmp
  • memory/4032-124-0x0000000000000000-mapping.dmp
  • memory/4032-121-0x0000000000000000-mapping.dmp
  • memory/4032-54-0x0000000000000000-mapping.dmp
  • memory/4032-132-0x0000000000000000-mapping.dmp
  • memory/4032-134-0x0000000000000000-mapping.dmp
  • memory/4032-133-0x0000000000000000-mapping.dmp
  • memory/4032-135-0x0000000000000000-mapping.dmp
  • memory/4032-80-0x0000000000000000-mapping.dmp
  • memory/4032-138-0x0000000000000000-mapping.dmp
  • memory/4032-139-0x0000000000000000-mapping.dmp
  • memory/4032-136-0x0000000000000000-mapping.dmp
  • memory/4032-53-0x0000000000000000-mapping.dmp
  • memory/4032-141-0x0000000000000000-mapping.dmp
  • memory/4032-49-0x0000000073190000-0x000000007387E000-memory.dmp
    Filesize

    6.9MB

  • memory/4032-143-0x0000000000000000-mapping.dmp
  • memory/4032-144-0x0000000000000000-mapping.dmp
  • memory/4032-145-0x0000000000000000-mapping.dmp
  • memory/4032-146-0x0000000000000000-mapping.dmp
  • memory/4032-147-0x0000000000000000-mapping.dmp
  • memory/4032-148-0x0000000000000000-mapping.dmp
  • memory/4032-48-0x00000000045C0000-0x00000000045C1000-memory.dmp
    Filesize

    4KB

  • memory/4032-152-0x0000000000000000-mapping.dmp
  • memory/4032-153-0x0000000000000000-mapping.dmp
  • memory/4032-154-0x0000000000000000-mapping.dmp
  • memory/4032-155-0x0000000000000000-mapping.dmp
  • memory/4032-156-0x0000000000000000-mapping.dmp
  • memory/4032-157-0x0000000000000000-mapping.dmp
  • memory/4032-158-0x0000000000000000-mapping.dmp
  • memory/4032-159-0x0000000000000000-mapping.dmp
  • memory/4032-160-0x0000000000000000-mapping.dmp
  • memory/4032-47-0x0000000004080000-0x0000000004081000-memory.dmp
    Filesize

    4KB

  • memory/4032-164-0x0000000000000000-mapping.dmp
  • memory/4032-167-0x0000000000000000-mapping.dmp
  • memory/4032-166-0x0000000000000000-mapping.dmp
  • memory/4032-165-0x0000000000000000-mapping.dmp
  • memory/4032-162-0x0000000000000000-mapping.dmp
  • memory/4032-163-0x0000000000000000-mapping.dmp
  • memory/4032-168-0x0000000000000000-mapping.dmp
  • memory/4032-169-0x0000000000000000-mapping.dmp
  • memory/4032-45-0x0000000002634000-0x0000000002635000-memory.dmp
    Filesize

    4KB

  • memory/4032-175-0x0000000000000000-mapping.dmp
  • memory/4032-177-0x0000000000000000-mapping.dmp
  • memory/4032-179-0x0000000000000000-mapping.dmp
  • memory/4032-182-0x0000000000000000-mapping.dmp
  • memory/4032-181-0x0000000000000000-mapping.dmp
  • memory/4032-180-0x0000000000000000-mapping.dmp
  • memory/4032-178-0x0000000000000000-mapping.dmp
  • memory/4032-176-0x0000000000000000-mapping.dmp
  • memory/4032-174-0x0000000000000000-mapping.dmp
  • memory/4032-173-0x0000000000000000-mapping.dmp
  • memory/4032-40-0x0000000000000000-mapping.dmp
  • memory/4032-185-0x0000000000000000-mapping.dmp
  • memory/4032-184-0x0000000000000000-mapping.dmp
  • memory/4032-186-0x0000000000000000-mapping.dmp
  • memory/4032-187-0x0000000000000000-mapping.dmp
  • memory/4032-188-0x0000000000000000-mapping.dmp
  • memory/4032-189-0x0000000000000000-mapping.dmp
  • memory/4032-190-0x0000000000000000-mapping.dmp