Analysis

  • max time kernel
    107s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-11-2020 09:09

General

  • Target

    795dc03bf5246668039ba21c448dfdfa.exe

  • Size

    667KB

  • MD5

    795dc03bf5246668039ba21c448dfdfa

  • SHA1

    0b08fc0af416bcd562354d51bf435c120c70941c

  • SHA256

    5419693f0efd8489bfd0db1c1ca0441f492512e106be69b75afe2a1d7bae3d46

  • SHA512

    3c4abeead89cd56a5e4d70317efa93511b09bef41cd5fa6b068f38616272d34e733d02169868978352a0748015d1f8c6611ae5a3fb4740f30f3e575ec7e7d0e6

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 23 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 12 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\795dc03bf5246668039ba21c448dfdfa.exe
    "C:\Users\Admin\AppData\Local\Temp\795dc03bf5246668039ba21c448dfdfa.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 760
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 868
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 1212
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 1572
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 1612
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3844
    • 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:2592
      • 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:3636
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
      bestofd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 656
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1332
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 688
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1500
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 1264
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:4076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 1312
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 1336
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3276
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 1292
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3964
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 1380
        3⤵
        • Program crash
        PID:1176

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/1176-250-0x0000000004BD0000-0x0000000004BD1000-memory.dmp
    Filesize

    4KB

  • memory/1320-180-0x0000000004B60000-0x0000000004B61000-memory.dmp
    Filesize

    4KB

  • memory/1320-194-0x0000000005390000-0x0000000005391000-memory.dmp
    Filesize

    4KB

  • memory/1332-111-0x0000000004210000-0x0000000004211000-memory.dmp
    Filesize

    4KB

  • memory/1332-121-0x0000000004740000-0x0000000004741000-memory.dmp
    Filesize

    4KB

  • memory/1332-110-0x0000000004210000-0x0000000004211000-memory.dmp
    Filesize

    4KB

  • memory/1500-145-0x0000000005530000-0x0000000005531000-memory.dmp
    Filesize

    4KB

  • memory/1500-138-0x0000000005140000-0x0000000005141000-memory.dmp
    Filesize

    4KB

  • memory/1500-134-0x0000000004D40000-0x0000000004D41000-memory.dmp
    Filesize

    4KB

  • memory/2408-6-0x0000000004C80000-0x0000000004C81000-memory.dmp
    Filesize

    4KB

  • memory/2408-9-0x00000000052B0000-0x00000000052B1000-memory.dmp
    Filesize

    4KB

  • memory/2592-97-0x0000000072940000-0x000000007302E000-memory.dmp
    Filesize

    6.9MB

  • memory/2592-98-0x00000000007B0000-0x00000000007B1000-memory.dmp
    Filesize

    4KB

  • memory/2592-94-0x0000000000000000-mapping.dmp
  • memory/2704-13-0x00000000051C0000-0x00000000051C1000-memory.dmp
    Filesize

    4KB

  • memory/2704-10-0x0000000004B90000-0x0000000004B91000-memory.dmp
    Filesize

    4KB

  • memory/2716-14-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
    Filesize

    4KB

  • memory/3276-204-0x00000000043E0000-0x00000000043E1000-memory.dmp
    Filesize

    4KB

  • memory/3276-217-0x0000000004C10000-0x0000000004C11000-memory.dmp
    Filesize

    4KB

  • memory/3636-203-0x0000000006F10000-0x0000000006F11000-memory.dmp
    Filesize

    4KB

  • memory/3636-179-0x0000000006AF0000-0x0000000006AF1000-memory.dmp
    Filesize

    4KB

  • memory/3636-182-0x0000000006B90000-0x0000000006B91000-memory.dmp
    Filesize

    4KB

  • memory/3636-172-0x0000000006F80000-0x0000000006F81000-memory.dmp
    Filesize

    4KB

  • memory/3636-170-0x0000000006880000-0x0000000006881000-memory.dmp
    Filesize

    4KB

  • memory/3636-113-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/3636-117-0x000000000040CD2F-mapping.dmp
  • memory/3636-157-0x00000000052C0000-0x00000000052C1000-memory.dmp
    Filesize

    4KB

  • memory/3636-152-0x0000000005030000-0x0000000005031000-memory.dmp
    Filesize

    4KB

  • memory/3636-184-0x0000000006C10000-0x0000000006C11000-memory.dmp
    Filesize

    4KB

  • memory/3636-118-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/3636-122-0x0000000002780000-0x0000000002781000-memory.dmp
    Filesize

    4KB

  • memory/3636-123-0x0000000072940000-0x000000007302E000-memory.dmp
    Filesize

    6.9MB

  • memory/3636-132-0x0000000004EC0000-0x0000000004EE2000-memory.dmp
    Filesize

    136KB

  • memory/3636-139-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
    Filesize

    4KB

  • memory/3636-253-0x0000000008650000-0x0000000008651000-memory.dmp
    Filesize

    4KB

  • memory/3636-137-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
    Filesize

    4KB

  • memory/3636-254-0x0000000008940000-0x0000000008941000-memory.dmp
    Filesize

    4KB

  • memory/3636-128-0x0000000002830000-0x0000000002854000-memory.dmp
    Filesize

    144KB

  • memory/3636-133-0x0000000005FA0000-0x0000000005FA1000-memory.dmp
    Filesize

    4KB

  • memory/3636-130-0x0000000005490000-0x0000000005491000-memory.dmp
    Filesize

    4KB

  • memory/3660-174-0x0000000000000000-mapping.dmp
  • memory/3660-200-0x0000000000000000-mapping.dmp
  • memory/3660-129-0x0000000004030000-0x0000000004031000-memory.dmp
    Filesize

    4KB

  • memory/3660-127-0x0000000000000000-mapping.dmp
  • memory/3660-126-0x0000000000000000-mapping.dmp
  • memory/3660-125-0x0000000000000000-mapping.dmp
  • memory/3660-124-0x0000000000000000-mapping.dmp
  • memory/3660-140-0x0000000000000000-mapping.dmp
  • memory/3660-142-0x0000000000000000-mapping.dmp
  • memory/3660-143-0x0000000000000000-mapping.dmp
  • memory/3660-141-0x0000000000000000-mapping.dmp
  • memory/3660-144-0x0000000000000000-mapping.dmp
  • memory/3660-116-0x0000000000000000-mapping.dmp
  • memory/3660-146-0x0000000000000000-mapping.dmp
  • memory/3660-147-0x0000000000000000-mapping.dmp
  • memory/3660-148-0x0000000000000000-mapping.dmp
  • memory/3660-149-0x0000000000000000-mapping.dmp
  • memory/3660-151-0x00000000042D0000-0x00000000042F2000-memory.dmp
    Filesize

    136KB

  • memory/3660-120-0x0000000000000000-mapping.dmp
  • memory/3660-119-0x0000000000000000-mapping.dmp
  • memory/3660-260-0x0000000000000000-mapping.dmp
  • memory/3660-162-0x0000000000000000-mapping.dmp
  • memory/3660-163-0x0000000000000000-mapping.dmp
  • memory/3660-164-0x0000000000000000-mapping.dmp
  • memory/3660-165-0x0000000000000000-mapping.dmp
  • memory/3660-166-0x0000000000000000-mapping.dmp
  • memory/3660-168-0x0000000000000000-mapping.dmp
  • memory/3660-167-0x0000000000000000-mapping.dmp
  • memory/3660-115-0x0000000000000000-mapping.dmp
  • memory/3660-171-0x0000000000000000-mapping.dmp
  • memory/3660-114-0x0000000000000000-mapping.dmp
  • memory/3660-173-0x0000000000000000-mapping.dmp
  • memory/3660-259-0x0000000000000000-mapping.dmp
  • memory/3660-175-0x0000000000000000-mapping.dmp
  • memory/3660-176-0x0000000000000000-mapping.dmp
  • memory/3660-177-0x0000000000000000-mapping.dmp
  • memory/3660-178-0x0000000000000000-mapping.dmp
  • memory/3660-107-0x0000000072940000-0x000000007302E000-memory.dmp
    Filesize

    6.9MB

  • memory/3660-106-0x0000000004310000-0x0000000004311000-memory.dmp
    Filesize

    4KB

  • memory/3660-105-0x0000000003FE0000-0x0000000003FE1000-memory.dmp
    Filesize

    4KB

  • memory/3660-104-0x0000000003FE0000-0x0000000003FE1000-memory.dmp
    Filesize

    4KB

  • memory/3660-185-0x0000000000000000-mapping.dmp
  • memory/3660-186-0x0000000000000000-mapping.dmp
  • memory/3660-188-0x0000000000000000-mapping.dmp
  • memory/3660-189-0x0000000000000000-mapping.dmp
  • memory/3660-187-0x0000000000000000-mapping.dmp
  • memory/3660-190-0x0000000000000000-mapping.dmp
  • memory/3660-192-0x0000000000000000-mapping.dmp
  • memory/3660-191-0x0000000000000000-mapping.dmp
  • memory/3660-193-0x0000000000000000-mapping.dmp
  • memory/3660-100-0x0000000000000000-mapping.dmp
  • memory/3660-195-0x0000000000000000-mapping.dmp
  • memory/3660-197-0x0000000000000000-mapping.dmp
  • memory/3660-196-0x0000000000000000-mapping.dmp
  • memory/3660-202-0x0000000000000000-mapping.dmp
  • memory/3660-131-0x0000000004090000-0x00000000040B4000-memory.dmp
    Filesize

    144KB

  • memory/3660-201-0x0000000000000000-mapping.dmp
  • memory/3660-199-0x0000000000000000-mapping.dmp
  • memory/3660-198-0x0000000000000000-mapping.dmp
  • memory/3660-258-0x0000000000000000-mapping.dmp
  • memory/3660-257-0x0000000000000000-mapping.dmp
  • memory/3660-207-0x0000000000000000-mapping.dmp
  • memory/3660-210-0x0000000000000000-mapping.dmp
  • memory/3660-209-0x0000000000000000-mapping.dmp
  • memory/3660-211-0x0000000000000000-mapping.dmp
  • memory/3660-212-0x0000000000000000-mapping.dmp
  • memory/3660-213-0x0000000000000000-mapping.dmp
  • memory/3660-214-0x0000000000000000-mapping.dmp
  • memory/3660-215-0x0000000000000000-mapping.dmp
  • memory/3660-216-0x0000000000000000-mapping.dmp
  • memory/3660-256-0x0000000000000000-mapping.dmp
  • memory/3660-208-0x0000000000000000-mapping.dmp
  • memory/3660-218-0x0000000000000000-mapping.dmp
  • memory/3660-219-0x0000000000000000-mapping.dmp
  • memory/3660-220-0x0000000000000000-mapping.dmp
  • memory/3660-221-0x0000000000000000-mapping.dmp
  • memory/3660-224-0x0000000000000000-mapping.dmp
  • memory/3660-225-0x0000000000000000-mapping.dmp
  • memory/3660-226-0x0000000000000000-mapping.dmp
  • memory/3660-223-0x0000000000000000-mapping.dmp
  • memory/3660-222-0x0000000000000000-mapping.dmp
  • memory/3660-255-0x0000000000000000-mapping.dmp
  • memory/3660-230-0x0000000000000000-mapping.dmp
  • memory/3660-231-0x0000000000000000-mapping.dmp
  • memory/3660-233-0x0000000000000000-mapping.dmp
  • memory/3660-234-0x0000000000000000-mapping.dmp
  • memory/3660-235-0x0000000000000000-mapping.dmp
  • memory/3660-232-0x0000000000000000-mapping.dmp
  • memory/3660-237-0x0000000000000000-mapping.dmp
  • memory/3660-238-0x0000000000000000-mapping.dmp
  • memory/3660-239-0x0000000000000000-mapping.dmp
  • memory/3660-236-0x0000000000000000-mapping.dmp
  • memory/3660-249-0x0000000000000000-mapping.dmp
  • memory/3660-241-0x0000000000000000-mapping.dmp
  • memory/3660-242-0x0000000000000000-mapping.dmp
  • memory/3660-243-0x0000000000000000-mapping.dmp
  • memory/3660-244-0x0000000000000000-mapping.dmp
  • memory/3660-245-0x0000000000000000-mapping.dmp
  • memory/3660-246-0x0000000000000000-mapping.dmp
  • memory/3660-247-0x0000000000000000-mapping.dmp
  • memory/3660-248-0x0000000000000000-mapping.dmp
  • memory/3828-3-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
    Filesize

    4KB

  • memory/3828-2-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
    Filesize

    4KB

  • memory/3828-5-0x00000000053F0000-0x00000000053F1000-memory.dmp
    Filesize

    4KB

  • memory/3844-18-0x0000000004980000-0x0000000004981000-memory.dmp
    Filesize

    4KB

  • memory/3844-22-0x00000000051B0000-0x00000000051B1000-memory.dmp
    Filesize

    4KB

  • memory/3964-240-0x0000000005660000-0x0000000005661000-memory.dmp
    Filesize

    4KB

  • memory/3964-227-0x0000000004E30000-0x0000000004E31000-memory.dmp
    Filesize

    4KB

  • memory/4048-1-0x00000000028D0000-0x00000000028D1000-memory.dmp
    Filesize

    4KB

  • memory/4048-0-0x0000000002433000-0x0000000002434000-memory.dmp
    Filesize

    4KB

  • memory/4076-159-0x0000000004C10000-0x0000000004C11000-memory.dmp
    Filesize

    4KB