Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 08:44

General

  • Target

    ED28743BFC1A8F95A95E5C6FEE5597D6961E497413D8E.exe

  • Size

    492KB

  • MD5

    81d3017db518b0b252fbc291a5c7d992

  • SHA1

    e05a2679511cc7d307c79b3170f9e8baaf87babc

  • SHA256

    ed28743bfc1a8f95a95e5c6fee5597d6961e497413d8e9b3544588ae7484f3f4

  • SHA512

    e9380fad8c17727c692c4c661e473be836010d4d456af7a8bb2999153a3c26735e080fa6274a62d2634b0510ecfe4eb4e656234eca2f4a9a03575d959a9cc6bb

  • SSDEEP

    12288:gOfPr+8CHzhgAOt0AcfAWV5CRbdjNA98wl:hfz+NThghUAWVMRRjNJ

Malware Config

Extracted

Family

redline

Botnet

@cham1ng

C2

193.106.191.160:8673

Attributes
  • auth_value

    296c18e34d670ae41d67c9e09e2546b7

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\ED28743BFC1A8F95A95E5C6FEE5597D6961E497413D8E.exe
    "C:\Users\Admin\AppData\Local\Temp\ED28743BFC1A8F95A95E5C6FEE5597D6961E497413D8E.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Users\Admin\AppData\Local\Temp\tmp2CDB.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp2CDB.tmp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:688
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 96
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:108

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\tmp2CDB.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

  • \Users\Admin\AppData\Local\Temp\tmp2CDB.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

  • \Users\Admin\AppData\Local\Temp\tmp2CDB.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

  • \Users\Admin\AppData\Local\Temp\tmp2CDB.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

  • memory/108-58-0x0000000000000000-mapping.dmp
  • memory/688-56-0x0000000000000000-mapping.dmp
  • memory/1000-54-0x00000000010C0000-0x0000000001142000-memory.dmp
    Filesize

    520KB

  • memory/1000-55-0x00000000002A0000-0x00000000002C0000-memory.dmp
    Filesize

    128KB