Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    02-12-2021 16:05

General

  • Target

    8325d53e1e1702d9432c67aae6369f46abf9a26f0556d20cb0a04a7040b1ca80.exe

  • Size

    64KB

  • MD5

    f1e1f1d8e5f3c49ef8823a2e51457219

  • SHA1

    6fb928baac53cae00942d28a01cfbcb8758ad9cc

  • SHA256

    8325d53e1e1702d9432c67aae6369f46abf9a26f0556d20cb0a04a7040b1ca80

  • SHA512

    ce9503dfada23ea8b6560e30a27969db6791f4b70eadd9f6acd8950eb0439467bfe7f38cbee0c9c5e50a513f59538ea5e2b6f893b40e126067d0e66ff357c913

Malware Config

Extracted

Family

redline

Botnet

CRYPT - 42134$

C2

185.209.28.55:2237

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner Payload 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8325d53e1e1702d9432c67aae6369f46abf9a26f0556d20cb0a04a7040b1ca80.exe
    "C:\Users\Admin\AppData\Local\Temp\8325d53e1e1702d9432c67aae6369f46abf9a26f0556d20cb0a04a7040b1ca80.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Temp\Trinilogi.exe
      "C:\Users\Admin\AppData\Local\Temp\Trinilogi.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1500
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "runtimebroker64x" /tr "C:\Users\Admin\AppData\Roaming\MicrosoftEdge\runtimebroker64x.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3972
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "runtimebroker64x" /tr "C:\Users\Admin\AppData\Roaming\MicrosoftEdge\runtimebroker64x.exe"
          4⤵
          • Creates scheduled task(s)
          PID:688
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" cmd /c "C:\Users\Admin\AppData\Roaming\MicrosoftEdge\runtimebroker64x.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Users\Admin\AppData\Roaming\MicrosoftEdge\runtimebroker64x.exe
          C:\Users\Admin\AppData\Roaming\MicrosoftEdge\runtimebroker64x.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3088
          • C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe"
            5⤵
            • Executes dropped EXE
            PID:1456
          • C:\Windows\explorer.exe
            C:\Windows\explorer.exe bsjqdsgfph1 Xji3FXYfqqI2timPThbgZueMNpSES88mLhMz2ywydJQKdDfd51MUAGcZ+8CiY/eWSp0aN2gplT4NdxBcWRue+M1Jpa0OJpGvqnNi/CnIRVBtwYcUcBsTgJlURiqnaO0woILJyz0/0D0hJDZynRQ08qFq5P7/mbUB8II5CjRnh9NHfqCnnlw3RFcA8Z2LbiFadHSPio9cwS2aQjdkPVHBZAKU2n9xqm7rcBx5TMMAyEjRsdDYLMfmxpPDS7CwfGIxZjlwbzdxRwQIMxNxbs51UKMXSMHHCcOx+8aW4ZlO8qkDAH3hfPQAc0kllEA2DI5VL1XJgHoZtXYR1kI83nuYGjD9EAoHG29TcNPUPSC06OX+ik6/te/jCtGrEUOkA6mMzzArmAi3dt62G9e0ZRNwbPMxstE0K7SVu2ZKFLBIR5r1WoiVpBdcmeO4s0+5L8WnjvesBddnCVrPjdOU21U+MA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Trinilogi.exe
    MD5

    728f38d39c035cd7908cac6c22cb3f46

    SHA1

    55d9caf8c3e95a66bc57cd3e6732ec871792badd

    SHA256

    09e71e09b078cfd23e7e62bdf86f8592195b37cbb4effc9af00652f3ba7fad37

    SHA512

    12aae3711174f7007c56c13b638ff3a8ff6ce90f2657989024ce916a0c2cd8ccd344f7968f81dedf7f2a95bbeebb941c00818e68a8f5df4d88e901b62e5900c4

  • C:\Users\Admin\AppData\Local\Temp\Trinilogi.exe
    MD5

    728f38d39c035cd7908cac6c22cb3f46

    SHA1

    55d9caf8c3e95a66bc57cd3e6732ec871792badd

    SHA256

    09e71e09b078cfd23e7e62bdf86f8592195b37cbb4effc9af00652f3ba7fad37

    SHA512

    12aae3711174f7007c56c13b638ff3a8ff6ce90f2657989024ce916a0c2cd8ccd344f7968f81dedf7f2a95bbeebb941c00818e68a8f5df4d88e901b62e5900c4

  • C:\Users\Admin\AppData\Roaming\MicrosoftEdge\runtimebroker64x.exe
    MD5

    728f38d39c035cd7908cac6c22cb3f46

    SHA1

    55d9caf8c3e95a66bc57cd3e6732ec871792badd

    SHA256

    09e71e09b078cfd23e7e62bdf86f8592195b37cbb4effc9af00652f3ba7fad37

    SHA512

    12aae3711174f7007c56c13b638ff3a8ff6ce90f2657989024ce916a0c2cd8ccd344f7968f81dedf7f2a95bbeebb941c00818e68a8f5df4d88e901b62e5900c4

  • C:\Users\Admin\AppData\Roaming\MicrosoftEdge\runtimebroker64x.exe
    MD5

    728f38d39c035cd7908cac6c22cb3f46

    SHA1

    55d9caf8c3e95a66bc57cd3e6732ec871792badd

    SHA256

    09e71e09b078cfd23e7e62bdf86f8592195b37cbb4effc9af00652f3ba7fad37

    SHA512

    12aae3711174f7007c56c13b638ff3a8ff6ce90f2657989024ce916a0c2cd8ccd344f7968f81dedf7f2a95bbeebb941c00818e68a8f5df4d88e901b62e5900c4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe
    MD5

    9ffb415e287a7ae2f14ab0c7387b2b1d

    SHA1

    b4f83a40c8d02012ca97d04f68d6c26381c32da6

    SHA256

    06328631b2b0a279cc61136ac7e3e0d98cd5acff70013c1b41781504c21a2957

    SHA512

    7ccf979d4ca65589049067fdd5f01a53a2f90f7174b5d9df62aa1f3b601844a26e9bca9cb940d1f87b3fafb754a5adf2b73afee727a129e9dc133f740dc7ed4a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe
    MD5

    9ffb415e287a7ae2f14ab0c7387b2b1d

    SHA1

    b4f83a40c8d02012ca97d04f68d6c26381c32da6

    SHA256

    06328631b2b0a279cc61136ac7e3e0d98cd5acff70013c1b41781504c21a2957

    SHA512

    7ccf979d4ca65589049067fdd5f01a53a2f90f7174b5d9df62aa1f3b601844a26e9bca9cb940d1f87b3fafb754a5adf2b73afee727a129e9dc133f740dc7ed4a

  • memory/688-142-0x0000000000000000-mapping.dmp
  • memory/1356-144-0x0000000000000000-mapping.dmp
  • memory/1456-158-0x000000001C1C0000-0x000000001C1C2000-memory.dmp
    Filesize

    8KB

  • memory/1456-155-0x0000000000130000-0x0000000000131000-memory.dmp
    Filesize

    4KB

  • memory/1456-152-0x0000000000000000-mapping.dmp
  • memory/1500-140-0x0000000001830000-0x0000000001831000-memory.dmp
    Filesize

    4KB

  • memory/1500-135-0x0000000000000000-mapping.dmp
  • memory/1500-143-0x0000000001A60000-0x0000000001A62000-memory.dmp
    Filesize

    8KB

  • memory/1500-138-0x0000000000C10000-0x0000000000C11000-memory.dmp
    Filesize

    4KB

  • memory/1760-157-0x0000000140000000-0x0000000140787000-memory.dmp
    Filesize

    7.5MB

  • memory/1760-159-0x0000000140310068-mapping.dmp
  • memory/1760-165-0x0000000001280000-0x00000000012A0000-memory.dmp
    Filesize

    128KB

  • memory/1760-166-0x0000000002F90000-0x0000000002FB0000-memory.dmp
    Filesize

    128KB

  • memory/1760-164-0x0000000001240000-0x0000000001260000-memory.dmp
    Filesize

    128KB

  • memory/1760-162-0x0000000001220000-0x0000000001222000-memory.dmp
    Filesize

    8KB

  • memory/1760-163-0x0000000001220000-0x0000000001222000-memory.dmp
    Filesize

    8KB

  • memory/1760-161-0x0000000140000000-0x0000000140787000-memory.dmp
    Filesize

    7.5MB

  • memory/1760-160-0x0000000001200000-0x0000000001220000-memory.dmp
    Filesize

    128KB

  • memory/2708-128-0x0000000007590000-0x0000000007591000-memory.dmp
    Filesize

    4KB

  • memory/2708-131-0x0000000007F50000-0x0000000007F51000-memory.dmp
    Filesize

    4KB

  • memory/2708-126-0x0000000007170000-0x0000000007171000-memory.dmp
    Filesize

    4KB

  • memory/2708-125-0x0000000007130000-0x0000000007131000-memory.dmp
    Filesize

    4KB

  • memory/2708-130-0x0000000007550000-0x0000000007551000-memory.dmp
    Filesize

    4KB

  • memory/2708-124-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
    Filesize

    4KB

  • memory/2708-123-0x0000000007240000-0x0000000007241000-memory.dmp
    Filesize

    4KB

  • memory/2708-122-0x0000000004C20000-0x0000000004C21000-memory.dmp
    Filesize

    4KB

  • memory/2708-121-0x0000000007740000-0x0000000007741000-memory.dmp
    Filesize

    4KB

  • memory/2708-129-0x0000000008250000-0x0000000008251000-memory.dmp
    Filesize

    4KB

  • memory/2708-127-0x0000000007470000-0x0000000007471000-memory.dmp
    Filesize

    4KB

  • memory/2708-120-0x0000000004B60000-0x0000000004B79000-memory.dmp
    Filesize

    100KB

  • memory/2708-132-0x0000000008C90000-0x0000000008C91000-memory.dmp
    Filesize

    4KB

  • memory/2708-134-0x0000000004690000-0x0000000004691000-memory.dmp
    Filesize

    4KB

  • memory/2708-133-0x0000000009390000-0x0000000009391000-memory.dmp
    Filesize

    4KB

  • memory/2708-118-0x00000000003C0000-0x00000000003C1000-memory.dmp
    Filesize

    4KB

  • memory/3088-145-0x0000000000000000-mapping.dmp
  • memory/3088-151-0x0000000001D20000-0x0000000001D22000-memory.dmp
    Filesize

    8KB

  • memory/3972-141-0x0000000000000000-mapping.dmp