Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-08-2022 00:41

General

  • Target

    file.exe

  • Size

    508KB

  • MD5

    3907564e810a21f65284e0695cda199a

  • SHA1

    f606b9a56887244e6ee5888e1fde324e9bbe23cb

  • SHA256

    1579a9fa0f89cae6b7eb9d7af508959b32cd05b00091744ac1b0fff61ab91d79

  • SHA512

    9fb62510ddf7bdf41afc692d5264f39e9afc100ca325b084764a1eadb4b00660148965dedc711b53c916a28d7b24e327cf2fb884cad660de7785e91c85c3d4f2

  • SSDEEP

    12288:T6MFe3Y+yMT529YNZn+yR9VBNMTzwZU87m:T6Ie3YLMUONJBIzwZU8C

Malware Config

Extracted

Family

redline

C2

138.201.195.134:3202

Attributes
  • auth_value

    af24ca30b63542f0e4d58adbf1dd4817

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\tmp390B.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp390B.tmp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 96
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1632

Network

MITRE ATT&CK Matrix ATT&CK v6

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\tmp390B.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

  • \Users\Admin\AppData\Local\Temp\tmp390B.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

  • \Users\Admin\AppData\Local\Temp\tmp390B.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

  • \Users\Admin\AppData\Local\Temp\tmp390B.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

  • memory/1276-56-0x0000000000000000-mapping.dmp
  • memory/1632-58-0x0000000000000000-mapping.dmp
  • memory/1976-54-0x000000013F190000-0x000000013F212000-memory.dmp
    Filesize

    520KB

  • memory/1976-55-0x00000000004E0000-0x0000000000500000-memory.dmp
    Filesize

    128KB