Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2024 14:13

General

  • Target

    df5c5f0768e8d2f554467b930afda09c.exe

  • Size

    930KB

  • MD5

    df5c5f0768e8d2f554467b930afda09c

  • SHA1

    6b00445635ef04d12b0bb8992c8cc1ae384383f4

  • SHA256

    86040ddf448fb04e7efec05ad0e07bb2ff3d75d65520a4aedc32120cb018e2ce

  • SHA512

    f23c63f52dd7728526c7c461335ea355d0746947a53ce7c6bf6226a7f78c530158851e3d269ba658404a8f4e52cebe8feb7ca441526ef73f752a9e5717ba7a27

  • SSDEEP

    24576:7W5d/Zo0AI0kkHBIYRj4wUrFGtwl9Cs5ySq:716aJj4drFGw9bs5

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.xxhufdc.top/

http://www.uefhkice.xyz/

http://www.fcektsy.top/

Signatures

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Socelars payload 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 2 IoCs
  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df5c5f0768e8d2f554467b930afda09c.exe
    "C:\Users\Admin\AppData\Local\Temp\df5c5f0768e8d2f554467b930afda09c.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1456

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    8865ec5d82883f5a4c728594fbfdfe45

    SHA1

    5618aa02df7a1250680e23b949f3fc7175ac9ab5

    SHA256

    b2e455b98673dc9b380006bc2b88595439f2dd62bd339a74c5a4da5cfcaf5d7d

    SHA512

    f4de9abd4e2a5f619dc5af611e92ab499f3ee532a776cd23c6ccb25d37ddf10b86e8f559638bf37657232d9313c9cfde3372a4d16ea3cd07c8f8ff091ce6fce0

  • C:\Users\Admin\AppData\Local\Temp\Cab481A.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Cab4ADC.tmp
    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\Local\Temp\Tar4B8A.tmp
    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • memory/1892-3-0x0000000000400000-0x0000000002D1F000-memory.dmp
    Filesize

    41.1MB

  • memory/1892-0-0x0000000004550000-0x0000000004611000-memory.dmp
    Filesize

    772KB

  • memory/1892-2-0x00000000046A0000-0x0000000004803000-memory.dmp
    Filesize

    1.4MB

  • memory/1892-1-0x0000000004550000-0x0000000004611000-memory.dmp
    Filesize

    772KB

  • memory/1892-115-0x0000000000400000-0x0000000002D1F000-memory.dmp
    Filesize

    41.1MB

  • memory/1892-139-0x0000000004550000-0x0000000004611000-memory.dmp
    Filesize

    772KB

  • memory/1892-140-0x0000000000400000-0x0000000002D1F000-memory.dmp
    Filesize

    41.1MB

  • memory/1892-141-0x00000000046A0000-0x0000000004803000-memory.dmp
    Filesize

    1.4MB

  • memory/1892-145-0x0000000000400000-0x0000000002D1F000-memory.dmp
    Filesize

    41.1MB