Analysis

  • max time kernel
    19s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    13-08-2021 07:57

General

  • Target

    becfdc7b1badda3daa16f88567ab535e914c42c040b7d3b98ef9e79f0c9703c2.exe

  • Size

    121KB

  • MD5

    fb4102237f89badf92e6bd2359dc1b51

  • SHA1

    9984a66eeb606ed213388907ee249a6f8f3c04a6

  • SHA256

    becfdc7b1badda3daa16f88567ab535e914c42c040b7d3b98ef9e79f0c9703c2

  • SHA512

    44431f9e37c2049d8251dd7c02c31fd8e45778b0d8fdd584a37ae453f8095d2dc4f4f6730c9c6524e45b93de6642053ca3efcacf601e89aca8047229a9c71af8

Malware Config

Extracted

Family

redline

Botnet

7new

C2

sytareliar.xyz:80

yabelesatg.xyz:80

ceneimarck.xyz:80

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

    suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

  • Executes dropped EXE 5 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\becfdc7b1badda3daa16f88567ab535e914c42c040b7d3b98ef9e79f0c9703c2.exe
    "C:\Users\Admin\AppData\Local\Temp\becfdc7b1badda3daa16f88567ab535e914c42c040b7d3b98ef9e79f0c9703c2.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\AppData\Roaming\7047621.exe
      "C:\Users\Admin\AppData\Roaming\7047621.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1404
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1404 -s 2028
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4160
    • C:\Users\Admin\AppData\Roaming\2336772.exe
      "C:\Users\Admin\AppData\Roaming\2336772.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
        "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
        3⤵
        • Executes dropped EXE
        PID:3868
    • C:\Users\Admin\AppData\Roaming\5014601.exe
      "C:\Users\Admin\AppData\Roaming\5014601.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Users\Admin\AppData\Roaming\8303752.exe
      "C:\Users\Admin\AppData\Roaming\8303752.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 1820
        3⤵
        • Drops file in Windows directory
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4236

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\2336772.exe
    MD5

    1d095bc417db73c6bc6e4c4e7b43106f

    SHA1

    db7e49df1fb5a0a665976f98ff7128aeba40c5f3

    SHA256

    b529e11f2a855b7e7bca65ac994be9dc81191c7fe1b720addb90b98da33e7fee

    SHA512

    3d255ee420aa7eb0f5f28e060d968bf4369f4be3fc8f07bd32c5482fea055e8103347440d41d17d847c5b2b2d3fb2e3a40356db1a33911c0b25828739a88a097

  • C:\Users\Admin\AppData\Roaming\2336772.exe
    MD5

    1d095bc417db73c6bc6e4c4e7b43106f

    SHA1

    db7e49df1fb5a0a665976f98ff7128aeba40c5f3

    SHA256

    b529e11f2a855b7e7bca65ac994be9dc81191c7fe1b720addb90b98da33e7fee

    SHA512

    3d255ee420aa7eb0f5f28e060d968bf4369f4be3fc8f07bd32c5482fea055e8103347440d41d17d847c5b2b2d3fb2e3a40356db1a33911c0b25828739a88a097

  • C:\Users\Admin\AppData\Roaming\5014601.exe
    MD5

    7dfa7a1ec7a798b241d0a3521a0c593a

    SHA1

    23fa15493fd3f2e782488d341331aaf914eeba03

    SHA256

    a64f106b863dec9b842e6fd952995a7ad8dd3b272324a1265dfcb513cd986d17

    SHA512

    3817b7a711e354c5111e5354704b3a7fa07cce8801cc46f8c6ca9bf9d893cdfe1d03c7b9faefb135d193bc937a3403de84e2c8ee4a296ca0f397dca73b1acd7b

  • C:\Users\Admin\AppData\Roaming\5014601.exe
    MD5

    7dfa7a1ec7a798b241d0a3521a0c593a

    SHA1

    23fa15493fd3f2e782488d341331aaf914eeba03

    SHA256

    a64f106b863dec9b842e6fd952995a7ad8dd3b272324a1265dfcb513cd986d17

    SHA512

    3817b7a711e354c5111e5354704b3a7fa07cce8801cc46f8c6ca9bf9d893cdfe1d03c7b9faefb135d193bc937a3403de84e2c8ee4a296ca0f397dca73b1acd7b

  • C:\Users\Admin\AppData\Roaming\7047621.exe
    MD5

    b6b7f896ec6c87db2a811a44abc0c5b5

    SHA1

    b17eac180c2139947d2f8fdc87ff8a2a615cbcbf

    SHA256

    02ca78fdf706e494a923c01179c6f2bcc2fd59e55d79039ac7a20a51453670c6

    SHA512

    27150b8bced3845b834be55e40cc31882a0d5290a0363fbc8e0f20244dc6e3f022c2cb5dc7e8a18b9b140994d85995e7e6ee4270ed37bfbc9535cb97ee313c63

  • C:\Users\Admin\AppData\Roaming\7047621.exe
    MD5

    b6b7f896ec6c87db2a811a44abc0c5b5

    SHA1

    b17eac180c2139947d2f8fdc87ff8a2a615cbcbf

    SHA256

    02ca78fdf706e494a923c01179c6f2bcc2fd59e55d79039ac7a20a51453670c6

    SHA512

    27150b8bced3845b834be55e40cc31882a0d5290a0363fbc8e0f20244dc6e3f022c2cb5dc7e8a18b9b140994d85995e7e6ee4270ed37bfbc9535cb97ee313c63

  • C:\Users\Admin\AppData\Roaming\8303752.exe
    MD5

    36acd7e8f309426cb30aeda6c58234a6

    SHA1

    e111555e3324dcb03fda2b03fd4f765dec10ee75

    SHA256

    d17fbe43bc63006f1f11be7948fc385457eb4e830567f5f564cc3d3316ce6a3d

    SHA512

    62449c4e2d9c5faae15164e5751901d2e8e978aa52a7e156e7001b44bb61ed0cc14ee2230458a239ab7a85198826fe704246043ae800ee9c55951b7182b2ea6c

  • C:\Users\Admin\AppData\Roaming\8303752.exe
    MD5

    36acd7e8f309426cb30aeda6c58234a6

    SHA1

    e111555e3324dcb03fda2b03fd4f765dec10ee75

    SHA256

    d17fbe43bc63006f1f11be7948fc385457eb4e830567f5f564cc3d3316ce6a3d

    SHA512

    62449c4e2d9c5faae15164e5751901d2e8e978aa52a7e156e7001b44bb61ed0cc14ee2230458a239ab7a85198826fe704246043ae800ee9c55951b7182b2ea6c

  • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
    MD5

    1d095bc417db73c6bc6e4c4e7b43106f

    SHA1

    db7e49df1fb5a0a665976f98ff7128aeba40c5f3

    SHA256

    b529e11f2a855b7e7bca65ac994be9dc81191c7fe1b720addb90b98da33e7fee

    SHA512

    3d255ee420aa7eb0f5f28e060d968bf4369f4be3fc8f07bd32c5482fea055e8103347440d41d17d847c5b2b2d3fb2e3a40356db1a33911c0b25828739a88a097

  • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
    MD5

    1d095bc417db73c6bc6e4c4e7b43106f

    SHA1

    db7e49df1fb5a0a665976f98ff7128aeba40c5f3

    SHA256

    b529e11f2a855b7e7bca65ac994be9dc81191c7fe1b720addb90b98da33e7fee

    SHA512

    3d255ee420aa7eb0f5f28e060d968bf4369f4be3fc8f07bd32c5482fea055e8103347440d41d17d847c5b2b2d3fb2e3a40356db1a33911c0b25828739a88a097

  • memory/1404-128-0x00000000008C0000-0x00000000008EB000-memory.dmp
    Filesize

    172KB

  • memory/1404-121-0x0000000000390000-0x0000000000391000-memory.dmp
    Filesize

    4KB

  • memory/1404-118-0x0000000000000000-mapping.dmp
  • memory/1404-146-0x000000001AFE0000-0x000000001AFE2000-memory.dmp
    Filesize

    8KB

  • memory/1696-114-0x0000000000560000-0x0000000000561000-memory.dmp
    Filesize

    4KB

  • memory/1696-117-0x000000001B100000-0x000000001B102000-memory.dmp
    Filesize

    8KB

  • memory/1696-116-0x0000000002540000-0x0000000002555000-memory.dmp
    Filesize

    84KB

  • memory/2628-140-0x0000000007B70000-0x0000000007B71000-memory.dmp
    Filesize

    4KB

  • memory/2628-123-0x0000000000000000-mapping.dmp
  • memory/2628-135-0x00000000009B0000-0x00000000009B1000-memory.dmp
    Filesize

    4KB

  • memory/2628-139-0x0000000001300000-0x0000000001307000-memory.dmp
    Filesize

    28KB

  • memory/2628-143-0x0000000007710000-0x0000000007711000-memory.dmp
    Filesize

    4KB

  • memory/2688-145-0x0000000006F40000-0x0000000006F41000-memory.dmp
    Filesize

    4KB

  • memory/2688-159-0x00000000048A0000-0x00000000048A1000-memory.dmp
    Filesize

    4KB

  • memory/2688-144-0x0000000006EE0000-0x0000000006EE1000-memory.dmp
    Filesize

    4KB

  • memory/2688-141-0x0000000006DA0000-0x0000000006DD2000-memory.dmp
    Filesize

    200KB

  • memory/2688-125-0x0000000000000000-mapping.dmp
  • memory/2688-172-0x0000000009310000-0x0000000009311000-memory.dmp
    Filesize

    4KB

  • memory/2688-170-0x0000000009290000-0x0000000009291000-memory.dmp
    Filesize

    4KB

  • memory/2688-148-0x0000000006F80000-0x0000000006F81000-memory.dmp
    Filesize

    4KB

  • memory/2688-167-0x0000000008BA0000-0x0000000008BA1000-memory.dmp
    Filesize

    4KB

  • memory/2688-166-0x00000000084A0000-0x00000000084A1000-memory.dmp
    Filesize

    4KB

  • memory/2688-133-0x0000000000120000-0x0000000000121000-memory.dmp
    Filesize

    4KB

  • memory/2688-142-0x0000000007460000-0x0000000007461000-memory.dmp
    Filesize

    4KB

  • memory/2688-155-0x0000000007130000-0x0000000007131000-memory.dmp
    Filesize

    4KB

  • memory/3708-129-0x0000000000000000-mapping.dmp
  • memory/3708-162-0x00000000082C0000-0x00000000082C1000-memory.dmp
    Filesize

    4KB

  • memory/3708-165-0x0000000008950000-0x0000000008951000-memory.dmp
    Filesize

    4KB

  • memory/3708-149-0x0000000004DB0000-0x0000000004DDB000-memory.dmp
    Filesize

    172KB

  • memory/3708-147-0x0000000004D20000-0x0000000004D21000-memory.dmp
    Filesize

    4KB

  • memory/3708-134-0x0000000000540000-0x0000000000541000-memory.dmp
    Filesize

    4KB

  • memory/3868-160-0x0000000007FB0000-0x0000000007FB1000-memory.dmp
    Filesize

    4KB

  • memory/3868-161-0x0000000005690000-0x0000000005691000-memory.dmp
    Filesize

    4KB

  • memory/3868-150-0x0000000000000000-mapping.dmp