Analysis

  • max time kernel
    121s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-11-2020 09:12

General

  • Target

    71bac68eb27e02e20610cdc2098be85f.exe

  • Size

    667KB

  • MD5

    71bac68eb27e02e20610cdc2098be85f

  • SHA1

    ec7446e7e3467cba4f93581d1dc1dc14dbc2abaa

  • SHA256

    3050e3feb871116d108140a8b0a82fb3b2a64b54148f7a49daaf3898c222d699

  • SHA512

    b298a76ecef5dc718f9db77ef63cfc2a5ab3dded8f3a9fa92dc81bfc8f7e9a39e729ae266a25452ec8961f5d21e49fe3236708582b75f08b302119a6ce33b3c6

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 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 11 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 16 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71bac68eb27e02e20610cdc2098be85f.exe
    "C:\Users\Admin\AppData\Local\Temp\71bac68eb27e02e20610cdc2098be85f.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 756
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 844
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 1208
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 1568
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 1532
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2852
    • 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:1160
      • 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:3612
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
      bestofd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 660
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3800
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 684
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3296
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 1256
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2172
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 1304
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2124
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 1292
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3520
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 1332
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3692

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/204-16-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
    Filesize

    4KB

  • memory/204-19-0x00000000050A0000-0x00000000050A1000-memory.dmp
    Filesize

    4KB

  • memory/204-20-0x0000000005690000-0x0000000005691000-memory.dmp
    Filesize

    4KB

  • memory/984-1-0x0000000002940000-0x0000000002941000-memory.dmp
    Filesize

    4KB

  • memory/984-0-0x0000000002563000-0x0000000002564000-memory.dmp
    Filesize

    4KB

  • memory/1160-99-0x0000000000000000-mapping.dmp
  • memory/1160-103-0x0000000000260000-0x0000000000261000-memory.dmp
    Filesize

    4KB

  • memory/1160-102-0x0000000072960000-0x000000007304E000-memory.dmp
    Filesize

    6.9MB

  • memory/1960-198-0x0000000000000000-mapping.dmp
  • memory/1960-201-0x0000000000000000-mapping.dmp
  • memory/1960-241-0x0000000000000000-mapping.dmp
  • memory/1960-238-0x0000000000000000-mapping.dmp
  • memory/1960-240-0x0000000000000000-mapping.dmp
  • memory/1960-239-0x0000000000000000-mapping.dmp
  • memory/1960-230-0x0000000000000000-mapping.dmp
  • memory/1960-105-0x0000000000000000-mapping.dmp
  • memory/1960-229-0x0000000000000000-mapping.dmp
  • memory/1960-224-0x0000000000000000-mapping.dmp
  • memory/1960-108-0x00000000024B4000-0x00000000024B5000-memory.dmp
    Filesize

    4KB

  • memory/1960-228-0x0000000000000000-mapping.dmp
  • memory/1960-111-0x0000000004010000-0x0000000004011000-memory.dmp
    Filesize

    4KB

  • memory/1960-227-0x0000000000000000-mapping.dmp
  • memory/1960-226-0x0000000000000000-mapping.dmp
  • memory/1960-113-0x0000000004010000-0x0000000004011000-memory.dmp
    Filesize

    4KB

  • memory/1960-115-0x0000000004360000-0x0000000004361000-memory.dmp
    Filesize

    4KB

  • memory/1960-225-0x0000000000000000-mapping.dmp
  • memory/1960-117-0x0000000072960000-0x000000007304E000-memory.dmp
    Filesize

    6.9MB

  • memory/1960-223-0x0000000000000000-mapping.dmp
  • memory/1960-217-0x0000000000000000-mapping.dmp
  • memory/1960-221-0x0000000000000000-mapping.dmp
  • memory/1960-220-0x0000000000000000-mapping.dmp
  • memory/1960-219-0x0000000000000000-mapping.dmp
  • memory/1960-171-0x0000000000000000-mapping.dmp
  • memory/1960-218-0x0000000000000000-mapping.dmp
  • memory/1960-130-0x0000000000000000-mapping.dmp
  • memory/1960-131-0x0000000000000000-mapping.dmp
  • memory/1960-132-0x0000000000000000-mapping.dmp
  • memory/1960-215-0x0000000000000000-mapping.dmp
  • memory/1960-135-0x0000000000000000-mapping.dmp
  • memory/1960-216-0x0000000000000000-mapping.dmp
  • memory/1960-133-0x0000000000000000-mapping.dmp
  • memory/1960-137-0x0000000000000000-mapping.dmp
  • memory/1960-138-0x0000000000000000-mapping.dmp
  • memory/1960-170-0x0000000000000000-mapping.dmp
  • memory/1960-214-0x0000000000000000-mapping.dmp
  • memory/1960-142-0x0000000000000000-mapping.dmp
  • memory/1960-140-0x0000000000000000-mapping.dmp
  • memory/1960-202-0x0000000000000000-mapping.dmp
  • memory/1960-146-0x0000000000000000-mapping.dmp
  • memory/1960-203-0x0000000000000000-mapping.dmp
  • memory/1960-148-0x0000000000000000-mapping.dmp
  • memory/1960-150-0x0000000000000000-mapping.dmp
  • memory/1960-149-0x0000000000000000-mapping.dmp
  • memory/1960-151-0x0000000000000000-mapping.dmp
  • memory/1960-204-0x0000000000000000-mapping.dmp
  • memory/1960-153-0x0000000000000000-mapping.dmp
  • memory/1960-154-0x0000000000000000-mapping.dmp
  • memory/1960-155-0x0000000000000000-mapping.dmp
  • memory/1960-156-0x0000000000000000-mapping.dmp
  • memory/1960-157-0x00000000042E0000-0x0000000004304000-memory.dmp
    Filesize

    144KB

  • memory/1960-159-0x0000000004420000-0x0000000004442000-memory.dmp
    Filesize

    136KB

  • memory/1960-200-0x0000000000000000-mapping.dmp
  • memory/1960-199-0x0000000000000000-mapping.dmp
  • memory/1960-172-0x0000000000000000-mapping.dmp
  • memory/1960-196-0x0000000000000000-mapping.dmp
  • memory/1960-173-0x0000000000000000-mapping.dmp
  • memory/1960-194-0x0000000000000000-mapping.dmp
  • memory/1960-174-0x0000000000000000-mapping.dmp
  • memory/1960-169-0x0000000000000000-mapping.dmp
  • memory/1960-195-0x0000000000000000-mapping.dmp
  • memory/1960-176-0x0000000000000000-mapping.dmp
  • memory/1960-177-0x0000000000000000-mapping.dmp
  • memory/1960-178-0x0000000000000000-mapping.dmp
  • memory/1960-188-0x0000000000000000-mapping.dmp
  • memory/1960-180-0x0000000000000000-mapping.dmp
  • memory/1960-193-0x0000000000000000-mapping.dmp
  • memory/1960-181-0x0000000000000000-mapping.dmp
  • memory/1960-192-0x0000000000000000-mapping.dmp
  • memory/1960-191-0x0000000000000000-mapping.dmp
  • memory/1960-189-0x0000000000000000-mapping.dmp
  • memory/2124-183-0x0000000004E50000-0x0000000004E51000-memory.dmp
    Filesize

    4KB

  • memory/2124-197-0x0000000005780000-0x0000000005781000-memory.dmp
    Filesize

    4KB

  • memory/2172-175-0x00000000055C0000-0x00000000055C1000-memory.dmp
    Filesize

    4KB

  • memory/2172-166-0x0000000004D80000-0x0000000004D81000-memory.dmp
    Filesize

    4KB

  • memory/2852-27-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
    Filesize

    4KB

  • memory/2852-21-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/3296-143-0x00000000049C0000-0x00000000049C1000-memory.dmp
    Filesize

    4KB

  • memory/3296-152-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
    Filesize

    4KB

  • memory/3348-9-0x0000000004F20000-0x0000000004F21000-memory.dmp
    Filesize

    4KB

  • memory/3348-6-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/3520-222-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
    Filesize

    4KB

  • memory/3520-206-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/3612-110-0x000000000040CD2F-mapping.dmp
  • memory/3612-186-0x0000000006E90000-0x0000000006E91000-memory.dmp
    Filesize

    4KB

  • memory/3612-141-0x0000000005300000-0x0000000005301000-memory.dmp
    Filesize

    4KB

  • memory/3612-147-0x0000000005370000-0x0000000005371000-memory.dmp
    Filesize

    4KB

  • memory/3612-134-0x00000000063E0000-0x00000000063E1000-memory.dmp
    Filesize

    4KB

  • memory/3612-205-0x0000000007220000-0x0000000007221000-memory.dmp
    Filesize

    4KB

  • memory/3612-190-0x0000000006F30000-0x0000000006F31000-memory.dmp
    Filesize

    4KB

  • memory/3612-139-0x0000000005320000-0x0000000005321000-memory.dmp
    Filesize

    4KB

  • memory/3612-164-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB

  • memory/3612-109-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/3612-128-0x0000000005220000-0x0000000005242000-memory.dmp
    Filesize

    136KB

  • memory/3612-122-0x00000000058D0000-0x00000000058D1000-memory.dmp
    Filesize

    4KB

  • memory/3612-112-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/3612-182-0x00000000073C0000-0x00000000073C1000-memory.dmp
    Filesize

    4KB

  • memory/3612-119-0x00000000029F0000-0x0000000002A14000-memory.dmp
    Filesize

    144KB

  • memory/3612-179-0x0000000006CC0000-0x0000000006CC1000-memory.dmp
    Filesize

    4KB

  • memory/3612-114-0x0000000002C20000-0x0000000002C21000-memory.dmp
    Filesize

    4KB

  • memory/3612-116-0x0000000072960000-0x000000007304E000-memory.dmp
    Filesize

    6.9MB

  • memory/3612-187-0x0000000006C10000-0x0000000006C11000-memory.dmp
    Filesize

    4KB

  • memory/3692-231-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/3800-136-0x00000000048F0000-0x00000000048F1000-memory.dmp
    Filesize

    4KB

  • memory/3800-120-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/3800-121-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/3800-126-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/3940-10-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/3940-15-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
    Filesize

    4KB

  • memory/4044-3-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
    Filesize

    4KB

  • memory/4044-5-0x0000000005260000-0x0000000005261000-memory.dmp
    Filesize

    4KB

  • memory/4044-2-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
    Filesize

    4KB