Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:26

General

  • Target

    2024-05-22_07ca8b7a8462cf263b1b4189cc18cdf6_cobalt-strike_cobaltstrike_xmrig.exe

  • Size

    10.6MB

  • MD5

    07ca8b7a8462cf263b1b4189cc18cdf6

  • SHA1

    c8e15653f4c4eead32d54586632651c27c609c1e

  • SHA256

    7f28018c3f6727670ae7c0535b9e1039d52bdd32e950bc789609c95d81b3f6a8

  • SHA512

    83b63ae20eb99491d2f1b31036a6aa4e8a2032b8469db31922ffa6fefae3c6c131aed378ef251fc69aee27a1d13a2e9ebd10e4a9a936d7dd8eae02d392d6c326

  • SSDEEP

    196608:dvg6YpjCa8BMHwNuD7PKUNwabNJvmrMQwHEFoWcY:dYXpkG6uDBuQjmrOHO

Malware Config

Signatures

  • Cobalt Strike reflective loader 1 IoCs

    Detects the reflective loader used by Cobalt Strike.

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Detects Reflective DLL injection artifacts 1 IoCs
  • Detects executables containing URLs to raw contents of a Github gist 9 IoCs
  • XMRig Miner payload 9 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Modifies Internet Explorer start page 1 TTPs 5 IoCs
  • Modifies system certificate store 2 TTPs 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-22_07ca8b7a8462cf263b1b4189cc18cdf6_cobalt-strike_cobaltstrike_xmrig.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-22_07ca8b7a8462cf263b1b4189cc18cdf6_cobalt-strike_cobaltstrike_xmrig.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Modifies Internet Explorer start page
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:1532

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1
T1091

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Lateral Movement

Replication Through Removable Media

1
T1091

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\7-Zip\7-zip32.dll
    Filesize

    10.8MB

    MD5

    d0b2d0d7f5a88c8bdfc9b670004a771b

    SHA1

    05c25a13533ee83208fb84f8db9b9ee7beb88710

    SHA256

    3f476546735131e9f7bb8004071ac1a85bfbb3bd758e3eb095a1c2f26d4cbf14

    SHA512

    55a20603be551f68f60a84328e1365ab323380d54ef6b1875407cea66bd3b10ae6d00e5b8f3e8127bb3b2414a6d21280a2e5d2e12116f99796fcbde299196ed3

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506
    Filesize

    330B

    MD5

    e37457e3f375c231640473e6d7574a59

    SHA1

    1b493351a18e5931591cbdccccec6f674312c767

    SHA256

    cd9787d415c360c1943dc7d6b6f6fbe74309ce6d59a91a03c0a96aaeaa15d8cc

    SHA512

    cfee1e1d85c2fc8acf441c91eb7baad8f13667bb23391e1c68957c7f575eef6a680524ed54fe1f1a47a589d8208740ec2dcca1ea81f211d1e87f504779aac5a6

  • memory/1532-2166-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/1532-477-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/1532-1146-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/1532-1888-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/1532-0-0x00000000001F0000-0x0000000000200000-memory.dmp
    Filesize

    64KB

  • memory/1532-2300-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/1532-2301-0x0000000000060000-0x0000000000062000-memory.dmp
    Filesize

    8KB

  • memory/1532-2304-0x0000000000401000-0x0000000000A18000-memory.dmp
    Filesize

    6.1MB

  • memory/1532-2305-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/1532-2306-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/1532-2307-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB