Analysis

  • max time kernel
    158s
  • max time network
    167s
  • platform
    windows10_x64
  • resource
    win10-20220223-en
  • submitted
    16-03-2022 09:28

General

  • Target

    0539f85f58cbdfbd5402f02bef84c1ed425122cc95f34c38719d9059343350b6.exe

  • Size

    817KB

  • MD5

    55de296cf36210a101903ad018edddbc

  • SHA1

    30857c9cf63be230ed01ad34995b85108f2c9eb9

  • SHA256

    0539f85f58cbdfbd5402f02bef84c1ed425122cc95f34c38719d9059343350b6

  • SHA512

    875f0bc9d1ce36a592c9f2211d002919f89f5b9eb8e88ca74a820f6cfdbb56e4ad7e94504db2061f5141e8452118e01c7c8007321299c92543af4a0f9be6d730

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dlink.md
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Freemind2k3

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0539f85f58cbdfbd5402f02bef84c1ed425122cc95f34c38719d9059343350b6.exe
    "C:\Users\Admin\AppData\Local\Temp\0539f85f58cbdfbd5402f02bef84c1ed425122cc95f34c38719d9059343350b6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3884

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • memory/3504-119-0x0000000005200000-0x0000000005216000-memory.dmp

    Filesize

    88KB

  • memory/3504-125-0x0000000004810000-0x0000000004816000-memory.dmp

    Filesize

    24KB

  • memory/3504-118-0x0000000005180000-0x00000000051B2000-memory.dmp

    Filesize

    200KB

  • memory/3504-114-0x0000000000470000-0x0000000000542000-memory.dmp

    Filesize

    840KB

  • memory/3504-120-0x000000000B120000-0x000000000B1B2000-memory.dmp

    Filesize

    584KB

  • memory/3504-121-0x0000000004E00000-0x00000000052FE000-memory.dmp

    Filesize

    5.0MB

  • memory/3504-122-0x00000000052B0000-0x00000000052BA000-memory.dmp

    Filesize

    40KB

  • memory/3504-123-0x0000000004E00000-0x00000000052FE000-memory.dmp

    Filesize

    5.0MB

  • memory/3504-124-0x000000000D630000-0x000000000D64A000-memory.dmp

    Filesize

    104KB

  • memory/3504-117-0x0000000005300000-0x00000000057FE000-memory.dmp

    Filesize

    5.0MB

  • memory/3504-126-0x0000000007DC0000-0x0000000008110000-memory.dmp

    Filesize

    3.3MB

  • memory/3504-127-0x0000000008190000-0x00000000081B2000-memory.dmp

    Filesize

    136KB

  • memory/3504-115-0x0000000004D20000-0x0000000004DBC000-memory.dmp

    Filesize

    624KB

  • memory/3504-116-0x00000000738A0000-0x0000000073F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/3884-128-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3884-131-0x0000000005310000-0x0000000005328000-memory.dmp

    Filesize

    96KB

  • memory/3884-132-0x00000000059A0000-0x0000000005A06000-memory.dmp

    Filesize

    408KB

  • memory/3884-133-0x00000000738A0000-0x0000000073F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/3884-134-0x0000000002A20000-0x0000000002A21000-memory.dmp

    Filesize

    4KB