Resubmissions

26-09-2022 01:16

220926-bms4laggg3 10

23-09-2022 06:37

220923-hdg4asddc7 10

Analysis

  • max time kernel
    138s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-09-2022 06:37

General

  • Target

    661a6a25cbdbec6543e74fae455e349a.exe

  • Size

    926KB

  • MD5

    661a6a25cbdbec6543e74fae455e349a

  • SHA1

    c5486f079370b7a0b2c1dbd170035ce25da8163e

  • SHA256

    60c85fce1fbb2d9aaf9737335785e6c0c55b1e42a45394aa7c408b93f2b9bdf0

  • SHA512

    b2514f2f29d73a41a4c26c81c1997dd3cd91258461b71da86e7cfe6f02d416cd13d11747be9b274a612b08544cd4389b7c2f0337a4a2b020d7c5e8babf51bb5b

  • SSDEEP

    12288:taxffztFbbNiQoNS+2pvdNbbM3wBirlBQYg3fLLD:taxHzvwQoNS+q/bbswBirPQYgvD

Malware Config

Extracted

Family

redline

Botnet

mag21

C2

jamesmillion.xyz:47481

Attributes
  • auth_value

    b5ecf039f4b13b472d3c95fc6fe41fc8

Signatures

  • RedLine

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\661a6a25cbdbec6543e74fae455e349a.exe
    "C:\Users\Admin\AppData\Local\Temp\661a6a25cbdbec6543e74fae455e349a.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\mg.exe.exe
      "C:\Users\Admin\AppData\Local\Temp\mg.exe.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Program Files (x86)\Common Files\MinerStub.exe
        "C:\Program Files (x86)\Common Files\MinerStub.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1608
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:324
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:764
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {62507467-828F-4998-BB88-ED197137F805} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Users\Admin\AppData\Roaming\MinerStub.exe
      C:\Users\Admin\AppData\Roaming\MinerStub.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1756

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Common Files\MinerStub.exe
    Filesize

    469KB

    MD5

    5df52a373daa1af07a403e3556ecc43c

    SHA1

    1791f75489f917078e3f15172efe1c3b214c5567

    SHA256

    5173f34fd7d1451ef86933d79ea1f9bf7247f32044f30773350cfe3daaa99cf3

    SHA512

    f7229502dea6a01dc5ecabcfd80512f27e1a6f581d5a95eb5ab9b84cfd3eb32bd3f7c0668e1932e397ddf8a8a35920520d5c4b120e8014d737dbe483a514e9af

  • C:\Program Files (x86)\Common Files\MinerStub.exe
    Filesize

    469KB

    MD5

    5df52a373daa1af07a403e3556ecc43c

    SHA1

    1791f75489f917078e3f15172efe1c3b214c5567

    SHA256

    5173f34fd7d1451ef86933d79ea1f9bf7247f32044f30773350cfe3daaa99cf3

    SHA512

    f7229502dea6a01dc5ecabcfd80512f27e1a6f581d5a95eb5ab9b84cfd3eb32bd3f7c0668e1932e397ddf8a8a35920520d5c4b120e8014d737dbe483a514e9af

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    60KB

    MD5

    6c6a24456559f305308cb1fb6c5486b3

    SHA1

    3273ac27d78572f16c3316732b9756ebc22cb6ed

    SHA256

    efc3c579bd619ceab040c4b8c1b821b2d82c64fddd9e80a00ec0d7f6577ed973

    SHA512

    587d4a9175a6aa82cd8bb1c11ca6508f95cd218f76ac322ddbd1bc7146a0e25f8937ee426a6fb0fb0bb045cedb24d8c8a9edfe9f654112f293d8701220f726b4

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    304B

    MD5

    3930d9401c720d72a62089588c301839

    SHA1

    5db67453072f9bb95a2d6c76e2314ea707a2c403

    SHA256

    f81cd310aeb72ff6f21411eac12e524874d08563f613ec958f76495421db960c

    SHA512

    55c4cd53ec7e51f6807976de1bd0d06ac2b47bbea48bf8489e7fb7120f2519bc938768e9886c0b357b551712d9d631212cbb0703cc77c613088144691b79e8cf

  • C:\Users\Admin\AppData\Roaming\MinerStub.exe
    Filesize

    469KB

    MD5

    5df52a373daa1af07a403e3556ecc43c

    SHA1

    1791f75489f917078e3f15172efe1c3b214c5567

    SHA256

    5173f34fd7d1451ef86933d79ea1f9bf7247f32044f30773350cfe3daaa99cf3

    SHA512

    f7229502dea6a01dc5ecabcfd80512f27e1a6f581d5a95eb5ab9b84cfd3eb32bd3f7c0668e1932e397ddf8a8a35920520d5c4b120e8014d737dbe483a514e9af

  • C:\Users\Admin\AppData\Roaming\MinerStub.exe
    Filesize

    469KB

    MD5

    5df52a373daa1af07a403e3556ecc43c

    SHA1

    1791f75489f917078e3f15172efe1c3b214c5567

    SHA256

    5173f34fd7d1451ef86933d79ea1f9bf7247f32044f30773350cfe3daaa99cf3

    SHA512

    f7229502dea6a01dc5ecabcfd80512f27e1a6f581d5a95eb5ab9b84cfd3eb32bd3f7c0668e1932e397ddf8a8a35920520d5c4b120e8014d737dbe483a514e9af

  • \Program Files (x86)\Common Files\MinerStub.exe
    Filesize

    469KB

    MD5

    5df52a373daa1af07a403e3556ecc43c

    SHA1

    1791f75489f917078e3f15172efe1c3b214c5567

    SHA256

    5173f34fd7d1451ef86933d79ea1f9bf7247f32044f30773350cfe3daaa99cf3

    SHA512

    f7229502dea6a01dc5ecabcfd80512f27e1a6f581d5a95eb5ab9b84cfd3eb32bd3f7c0668e1932e397ddf8a8a35920520d5c4b120e8014d737dbe483a514e9af

  • \Users\Admin\AppData\Roaming\MinerStub.exe
    Filesize

    469KB

    MD5

    5df52a373daa1af07a403e3556ecc43c

    SHA1

    1791f75489f917078e3f15172efe1c3b214c5567

    SHA256

    5173f34fd7d1451ef86933d79ea1f9bf7247f32044f30773350cfe3daaa99cf3

    SHA512

    f7229502dea6a01dc5ecabcfd80512f27e1a6f581d5a95eb5ab9b84cfd3eb32bd3f7c0668e1932e397ddf8a8a35920520d5c4b120e8014d737dbe483a514e9af

  • memory/324-91-0x000000000299B000-0x00000000029BA000-memory.dmp
    Filesize

    124KB

  • memory/324-82-0x0000000002994000-0x0000000002997000-memory.dmp
    Filesize

    12KB

  • memory/324-79-0x000007FEED250000-0x000007FEEDC73000-memory.dmp
    Filesize

    10.1MB

  • memory/324-90-0x0000000002994000-0x0000000002997000-memory.dmp
    Filesize

    12KB

  • memory/324-89-0x000000000299B000-0x00000000029BA000-memory.dmp
    Filesize

    124KB

  • memory/324-78-0x000007FEFC281000-0x000007FEFC283000-memory.dmp
    Filesize

    8KB

  • memory/324-77-0x0000000000000000-mapping.dmp
  • memory/324-80-0x000007FEEC6F0000-0x000007FEED24D000-memory.dmp
    Filesize

    11.4MB

  • memory/764-72-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/764-73-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/764-92-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/764-93-0x0000000000417BEE-mapping.dmp
  • memory/764-70-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/764-69-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/764-95-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/764-97-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/1608-76-0x000000001B100000-0x000000001B14C000-memory.dmp
    Filesize

    304KB

  • memory/1608-63-0x0000000000000000-mapping.dmp
  • memory/1608-83-0x000000001B9F6000-0x000000001BA15000-memory.dmp
    Filesize

    124KB

  • memory/1608-75-0x000000001B0B0000-0x000000001B0FE000-memory.dmp
    Filesize

    312KB

  • memory/1608-74-0x0000000002260000-0x0000000002306000-memory.dmp
    Filesize

    664KB

  • memory/1608-68-0x000000013FF70000-0x000000013FFE8000-memory.dmp
    Filesize

    480KB

  • memory/1608-81-0x000000001B9A0000-0x000000001B9F4000-memory.dmp
    Filesize

    336KB

  • memory/1756-100-0x000000001B6D6000-0x000000001B6F5000-memory.dmp
    Filesize

    124KB

  • memory/1756-85-0x0000000000000000-mapping.dmp
  • memory/1756-88-0x000000013F650000-0x000000013F6C8000-memory.dmp
    Filesize

    480KB

  • memory/1756-99-0x000000001B6D6000-0x000000001B6F5000-memory.dmp
    Filesize

    124KB

  • memory/1808-57-0x0000000000550000-0x0000000000556000-memory.dmp
    Filesize

    24KB

  • memory/1808-56-0x0000000000500000-0x000000000053C000-memory.dmp
    Filesize

    240KB

  • memory/1808-55-0x0000000076171000-0x0000000076173000-memory.dmp
    Filesize

    8KB

  • memory/1808-54-0x00000000010E0000-0x00000000011CE000-memory.dmp
    Filesize

    952KB

  • memory/1980-58-0x0000000000000000-mapping.dmp
  • memory/1980-66-0x0000000004FB0000-0x0000000004FCA000-memory.dmp
    Filesize

    104KB

  • memory/1980-67-0x00000000005C0000-0x00000000005C6000-memory.dmp
    Filesize

    24KB