Overview

overview

7

Static

static

1

Lunar Clie....1.exe

windows7-x64

7

Lunar Clie....1.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    127s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    31-03-2023 19:25

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General

  • Target

    Lunar Client v2.15.1.exe

  • Size

    754KB

  • MD5

    ec7ffaaf4aa860d1d0b843b5de15ac59

  • SHA1

    8fa9b0ab0790149cb563d4d27ec8954e9ddb969f

  • SHA256

    183c1ce5ac789cdd12e75554804dc4a1f635eb5f7d239eccd987475afa82aaf6

  • SHA512

    44950aec9adb9e144cbe72ac4c3b652a748193c652d4558a04b3b9c995888869085e8c5d23f8e8030862ab26c744eb482d5affe0747ccf20fb0a9f41f527b736

  • SSDEEP

    12288:5Meeeeeeeeeeeeeeee7eeeeeeeeeeeeeezeeeeeeeeeeeeeeeeee7eeeeeeeeee2:57IF0HL8MaDu173pG1szLSvJwCU4h0/r

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Lunar Client v2.15.1.exe
    "C:\Users\Admin\AppData\Local\Temp\Lunar Client v2.15.1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: GetForegroundWindowSpam
    PID:1052

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsdB0A.tmp\StdUtils.dll
    Filesize

    100KB

    MD5

    c6a6e03f77c313b267498515488c5740

    SHA1

    3d49fc2784b9450962ed6b82b46e9c3c957d7c15

    SHA256

    b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

    SHA512

    9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

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  • \Users\Admin\AppData\Local\Temp\nsdB0A.tmp\StdUtils.dll
    Filesize

    100KB

    MD5

    c6a6e03f77c313b267498515488c5740

    SHA1

    3d49fc2784b9450962ed6b82b46e9c3c957d7c15

    SHA256

    b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

    SHA512

    9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

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  • \Users\Admin\AppData\Local\Temp\nsdB0A.tmp\System.dll
    Filesize

    12KB

    MD5

    0d7ad4f45dc6f5aa87f606d0331c6901

    SHA1

    48df0911f0484cbe2a8cdd5362140b63c41ee457

    SHA256

    3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    SHA512

    c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    Download Submit