Analysis

  • max time kernel
    139s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-11-2020 09:15

General

  • Target

    e354e4b625c092e0a36d31c1aafd44ae.exe

  • Size

    668KB

  • MD5

    e354e4b625c092e0a36d31c1aafd44ae

  • SHA1

    adeba777fa69642590114c2dda9872327fa04d16

  • SHA256

    796e01b82d47f19cfa0337ae70e8338b1afc999ebe42ce7ee3faf1e15218bcda

  • SHA512

    c810ae9c50dcc36d0b97040238ba725aac5266af16f636d35662590da1020cce20c216c69ca53e1db69827edaa46e532a90977d3a208d8b4bac66dab2ef8a692

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 57 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 15 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e354e4b625c092e0a36d31c1aafd44ae.exe
    "C:\Users\Admin\AppData\Local\Temp\e354e4b625c092e0a36d31c1aafd44ae.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 752
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 880
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2368
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 1204
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 1564
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 1620
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:744
    • 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:3992
      • 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:1728
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exe
      bestofd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3164
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 532
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1504
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 508
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 1292
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 1304
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1036
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 1256
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 1368
        3⤵
        • Program crash
        PID:1352

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/744-25-0x0000000004A70000-0x0000000004A71000-memory.dmp
    Filesize

    4KB

  • memory/744-20-0x0000000004580000-0x0000000004581000-memory.dmp
    Filesize

    4KB

  • memory/984-5-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
    Filesize

    4KB

  • memory/984-3-0x0000000004580000-0x0000000004581000-memory.dmp
    Filesize

    4KB

  • memory/984-2-0x0000000004580000-0x0000000004581000-memory.dmp
    Filesize

    4KB

  • memory/1028-1-0x0000000002980000-0x0000000002981000-memory.dmp
    Filesize

    4KB

  • memory/1028-0-0x00000000026B3000-0x00000000026B4000-memory.dmp
    Filesize

    4KB

  • memory/1036-112-0x0000000004710000-0x0000000004711000-memory.dmp
    Filesize

    4KB

  • memory/1036-123-0x0000000004F40000-0x0000000004F41000-memory.dmp
    Filesize

    4KB

  • memory/1504-51-0x00000000046D0000-0x00000000046D1000-memory.dmp
    Filesize

    4KB

  • memory/1504-60-0x0000000004E00000-0x0000000004E01000-memory.dmp
    Filesize

    4KB

  • memory/1504-52-0x00000000046D0000-0x00000000046D1000-memory.dmp
    Filesize

    4KB

  • memory/1540-102-0x0000000005150000-0x0000000005151000-memory.dmp
    Filesize

    4KB

  • memory/1540-92-0x0000000004920000-0x0000000004921000-memory.dmp
    Filesize

    4KB

  • memory/1728-44-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
    Filesize

    4KB

  • memory/1728-45-0x0000000002B00000-0x0000000002B01000-memory.dmp
    Filesize

    4KB

  • memory/1728-34-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/1728-35-0x00000000027D0000-0x00000000027D1000-memory.dmp
    Filesize

    4KB

  • memory/1728-36-0x0000000073000000-0x00000000736EE000-memory.dmp
    Filesize

    6.9MB

  • memory/1728-37-0x0000000002750000-0x0000000002774000-memory.dmp
    Filesize

    144KB

  • memory/1728-38-0x00000000053B0000-0x00000000053B1000-memory.dmp
    Filesize

    4KB

  • memory/1728-39-0x0000000002910000-0x0000000002932000-memory.dmp
    Filesize

    136KB

  • memory/1728-40-0x0000000005EC0000-0x0000000005EC1000-memory.dmp
    Filesize

    4KB

  • memory/1728-32-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/1728-109-0x0000000006A70000-0x0000000006A71000-memory.dmp
    Filesize

    4KB

  • memory/1728-131-0x0000000006D70000-0x0000000006D71000-memory.dmp
    Filesize

    4KB

  • memory/1728-90-0x00000000066A0000-0x00000000066A1000-memory.dmp
    Filesize

    4KB

  • memory/1728-33-0x000000000040CD2F-mapping.dmp
  • memory/1728-46-0x0000000004EF0000-0x0000000004EF1000-memory.dmp
    Filesize

    4KB

  • memory/1728-107-0x00000000069F0000-0x00000000069F1000-memory.dmp
    Filesize

    4KB

  • memory/1728-104-0x0000000006950000-0x0000000006951000-memory.dmp
    Filesize

    4KB

  • memory/1728-56-0x0000000005160000-0x0000000005161000-memory.dmp
    Filesize

    4KB

  • memory/1728-91-0x0000000006DA0000-0x0000000006DA1000-memory.dmp
    Filesize

    4KB

  • memory/2096-144-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
    Filesize

    4KB

  • memory/2096-132-0x0000000004580000-0x0000000004581000-memory.dmp
    Filesize

    4KB

  • memory/2368-11-0x0000000004870000-0x0000000004871000-memory.dmp
    Filesize

    4KB

  • memory/2368-6-0x0000000004580000-0x0000000004581000-memory.dmp
    Filesize

    4KB

  • memory/2788-16-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
    Filesize

    4KB

  • memory/2788-19-0x0000000005910000-0x0000000005911000-memory.dmp
    Filesize

    4KB

  • memory/3164-80-0x0000000000000000-mapping.dmp
  • memory/3164-41-0x0000000000000000-mapping.dmp
  • memory/3164-55-0x0000000000000000-mapping.dmp
  • memory/3164-61-0x0000000000000000-mapping.dmp
  • memory/3164-62-0x0000000000000000-mapping.dmp
  • memory/3164-63-0x0000000000000000-mapping.dmp
  • memory/3164-64-0x0000000000000000-mapping.dmp
  • memory/3164-150-0x0000000000000000-mapping.dmp
  • memory/3164-152-0x0000000000000000-mapping.dmp
  • memory/3164-72-0x0000000000000000-mapping.dmp
  • memory/3164-73-0x0000000000000000-mapping.dmp
  • memory/3164-74-0x0000000000000000-mapping.dmp
  • memory/3164-75-0x0000000000000000-mapping.dmp
  • memory/3164-76-0x0000000000000000-mapping.dmp
  • memory/3164-151-0x0000000000000000-mapping.dmp
  • memory/3164-78-0x0000000000000000-mapping.dmp
  • memory/3164-79-0x0000000000000000-mapping.dmp
  • memory/3164-58-0x0000000000000000-mapping.dmp
  • memory/3164-81-0x0000000000000000-mapping.dmp
  • memory/3164-82-0x0000000004030000-0x0000000004054000-memory.dmp
    Filesize

    144KB

  • memory/3164-84-0x0000000006890000-0x00000000068B2000-memory.dmp
    Filesize

    136KB

  • memory/3164-57-0x0000000000000000-mapping.dmp
  • memory/3164-54-0x0000000000000000-mapping.dmp
  • memory/3164-50-0x0000000073000000-0x00000000736EE000-memory.dmp
    Filesize

    6.9MB

  • memory/3164-96-0x0000000000000000-mapping.dmp
  • memory/3164-95-0x0000000000000000-mapping.dmp
  • memory/3164-97-0x0000000000000000-mapping.dmp
  • memory/3164-98-0x0000000000000000-mapping.dmp
  • memory/3164-100-0x0000000000000000-mapping.dmp
  • memory/3164-99-0x0000000000000000-mapping.dmp
  • memory/3164-101-0x0000000000000000-mapping.dmp
  • memory/3164-49-0x00000000040F0000-0x00000000040F1000-memory.dmp
    Filesize

    4KB

  • memory/3164-103-0x0000000000000000-mapping.dmp
  • memory/3164-48-0x00000000040F0000-0x00000000040F1000-memory.dmp
    Filesize

    4KB

  • memory/3164-105-0x0000000000000000-mapping.dmp
  • memory/3164-106-0x0000000000000000-mapping.dmp
  • memory/3164-47-0x0000000002674000-0x0000000002675000-memory.dmp
    Filesize

    4KB

  • memory/3164-108-0x0000000000000000-mapping.dmp
  • memory/3164-111-0x0000000000000000-mapping.dmp
  • memory/3164-59-0x0000000000000000-mapping.dmp
  • memory/3164-110-0x0000000000000000-mapping.dmp
  • memory/3164-147-0x0000000000000000-mapping.dmp
  • memory/3164-116-0x0000000000000000-mapping.dmp
  • memory/3164-115-0x0000000000000000-mapping.dmp
  • memory/3164-117-0x0000000000000000-mapping.dmp
  • memory/3164-118-0x0000000000000000-mapping.dmp
  • memory/3164-119-0x0000000000000000-mapping.dmp
  • memory/3164-120-0x0000000000000000-mapping.dmp
  • memory/3164-121-0x0000000000000000-mapping.dmp
  • memory/3164-122-0x0000000000000000-mapping.dmp
  • memory/3164-149-0x0000000000000000-mapping.dmp
  • memory/3164-124-0x0000000000000000-mapping.dmp
  • memory/3164-126-0x0000000000000000-mapping.dmp
  • memory/3164-127-0x0000000000000000-mapping.dmp
  • memory/3164-128-0x0000000000000000-mapping.dmp
  • memory/3164-125-0x0000000000000000-mapping.dmp
  • memory/3164-130-0x0000000000000000-mapping.dmp
  • memory/3164-129-0x0000000000000000-mapping.dmp
  • memory/3164-148-0x0000000000000000-mapping.dmp
  • memory/3164-146-0x0000000000000000-mapping.dmp
  • memory/3164-136-0x0000000000000000-mapping.dmp
  • memory/3164-135-0x0000000000000000-mapping.dmp
  • memory/3164-137-0x0000000000000000-mapping.dmp
  • memory/3164-138-0x0000000000000000-mapping.dmp
  • memory/3164-139-0x0000000000000000-mapping.dmp
  • memory/3164-140-0x0000000000000000-mapping.dmp
  • memory/3164-141-0x0000000000000000-mapping.dmp
  • memory/3164-142-0x0000000000000000-mapping.dmp
  • memory/3164-143-0x0000000000000000-mapping.dmp
  • memory/3164-145-0x0000000000000000-mapping.dmp
  • memory/3744-77-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/3744-70-0x0000000004580000-0x0000000004581000-memory.dmp
    Filesize

    4KB

  • memory/3744-65-0x0000000004580000-0x0000000004581000-memory.dmp
    Filesize

    4KB

  • memory/3820-12-0x0000000004E80000-0x0000000004E81000-memory.dmp
    Filesize

    4KB

  • memory/3820-15-0x00000000056B0000-0x00000000056B1000-memory.dmp
    Filesize

    4KB

  • memory/3992-26-0x0000000000000000-mapping.dmp
  • memory/3992-29-0x0000000073000000-0x00000000736EE000-memory.dmp
    Filesize

    6.9MB

  • memory/3992-30-0x00000000000A0000-0x00000000000A1000-memory.dmp
    Filesize

    4KB