Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    10-08-2023 08:45

General

  • Target

    04b6f3963ed68d98769263abdbd60560e8b8fef00b5c5b5dec1c0476a74aa135.exe

  • Size

    697KB

  • MD5

    e30da47c23c3d8303567bec86fc347e7

  • SHA1

    524eb1363a2ad19322bb7d234ba32182e2a7e1e6

  • SHA256

    04b6f3963ed68d98769263abdbd60560e8b8fef00b5c5b5dec1c0476a74aa135

  • SHA512

    38039dcd3f5a787334eff8cf3e6d2b17063f043f7d44ae843c7d2cb22eefa91d444d6e4cdbc038a75cef028bb7480b96b101e3ae5091a60871cfbfed5629d62c

  • SSDEEP

    12288:5h3OO//rLMPou0reXiajlz3u+pPuq9klVFOkvP5coCIWvPkGypBU9tSqSrJn1tdF:5lOOnPDu0rebZF2q9klV4+CoCJvcb09E

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.xxhufdc.top/

http://www.uefhkice.xyz/

http://www.wygexde.xyz/

Signatures

  • Socelars

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

  • Socelars payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04b6f3963ed68d98769263abdbd60560e8b8fef00b5c5b5dec1c0476a74aa135.exe
    "C:\Users\Admin\AppData\Local\Temp\04b6f3963ed68d98769263abdbd60560e8b8fef00b5c5b5dec1c0476a74aa135.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:348
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    258c818800021c55befbab9addd3a5af

    SHA1

    6783ad9c041c616c364aa13d9ba4419e5c989706

    SHA256

    91987e99fb7b6f144335cac6177f978291ed04ea756324c2e163c515f3c5bd65

    SHA512

    98c47b8b62988c767b09e6a04cdfa7532080f8f849ea740fa1f206aabf00993fa7a99752f691b2cab0f323e0b97f213dfc44e23996868715dba861a5b92abad1

  • C:\Users\Admin\AppData\Local\Temp\Cab7957.tmp

    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\Tar7BBA.tmp

    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

  • memory/2560-54-0x0000000000950000-0x0000000000AE4000-memory.dmp

    Filesize

    1.6MB

  • memory/2560-145-0x0000000000950000-0x0000000000AE4000-memory.dmp

    Filesize

    1.6MB