Analysis

  • max time kernel
    8s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2024 20:01

General

  • Target

    706fc7ab5c6b9ef616acfd3add700e44.exe

  • Size

    886KB

  • MD5

    706fc7ab5c6b9ef616acfd3add700e44

  • SHA1

    d4cfb9750c6e4a7a44be3710bc94fa0fbb53ccf4

  • SHA256

    1c5975dd72f461fbc184364d27f711642fc693552bb0422477f60020e1139ea9

  • SHA512

    32b6d7947fee7ad02de23bcbf97a8d838934c700bab3cec525fa45e340564a665b00f5212faeec056cdbbd592bc7f6bf2053c6d24bd8be35c134aed82d623012

  • SSDEEP

    24576:2ryfpDG1m7JGVrFoh8I7UFHxW9ugDH3VH/SVTiZsCfonnV:vff7gVrFG8ZHUH/KGG

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\706fc7ab5c6b9ef616acfd3add700e44.exe
    "C:\Users\Admin\AppData\Local\Temp\706fc7ab5c6b9ef616acfd3add700e44.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RADMIR~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RADMIR~1.EXE
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4024
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RADMIR~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RADMIR~1.EXE
      2⤵
        PID:2268

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\RADMIR~1.EXE.log

      Filesize

      2KB

      MD5

      0c50d29c85d4179fee7edbde146f6de8

      SHA1

      6eec082fc835082d07e96444bc6ef1d905a7782d

      SHA256

      f842c5e9b8a6bd86dcd465ded40d253100a96d7bf00a906338ff615f8058f24e

      SHA512

      798b916d2525805181bd33385c8ddf5dcb9cd338d6f65a5d19335fa8ec4dad4961a217d2669f768e97e9d8aec70fa2b5626096296e46b99b18a037d8e7f81f25

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RADMIR~1.EXE

      Filesize

      51KB

      MD5

      fd008bce97b0bcc2937aeec5a9c7b6ff

      SHA1

      23400b713b0850492332b77491a6a0dec2e54104

      SHA256

      346609a1795913088911697619159834dfad3176a36d2364db33810f50751f1a

      SHA512

      e89f234c130b297283a5195954004ca63c7dee92527d27333130a9416ca6020703c692449b87edf439ef8f655b8fb550317de4ed243c5a604424d8855092c4e8

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RADMIR~1.EXE

      Filesize

      5KB

      MD5

      f8434d75cace14bab2ec030d7f80bf49

      SHA1

      7356eb1a5c3a836a33f405e6142cc38626e10fd7

      SHA256

      d01cf29991a50ce93dd53f281afaa6c806f20761315aaf73b214ad4a459f9744

      SHA512

      874f3b5d05109935201ac173dd737947037503c3be5bc1c97095559079091a83bee1f64fb2a0ca93d3785bd79f60eec830d14c4eac81d632553c11f160c475a8

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RADMIR~1.EXE

      Filesize

      21KB

      MD5

      c6241ac7f5cb6bec080c1fb528710a21

      SHA1

      7474f924934d9426849f19044c33b118b0e7c3d3

      SHA256

      62a461ec75cdc7a1491b7e984ab6ad26db689548c9cdc552c390c23a8a1ecc13

      SHA512

      ac37686965503679f697940e606a62bb6c310005b8f9f430a1817b4409cbbb05e2941fba81f2236c7834e480ca5ee3c7304300982ba2aba333a099f03aa01fa9

    • C:\Users\Admin\AppData\Local\Temp\bd078BFBFF000306D22603F023.tmp

      Filesize

      92KB

      MD5

      d63e3a8d4109b7212d419e17141dd862

      SHA1

      c9637da0763277477e60128ae2cd26fb314fa80a

      SHA256

      0cdd05fd9d9515c99e713a0cdf201fae20cd5db884c08a292ce16471725c521f

      SHA512

      dfee6ccabfe03415bea0d817ac0c393e98b54a0dfff102f0eee21c8e85d903e11a073aa97b7a3e8b95d88d5f86afd4c9782e7618e3119727da1e01d4895315e2

    • C:\Users\Admin\AppData\Local\Temp\bd078BFBFF000306D22603F023.tmp

      Filesize

      126KB

      MD5

      49df30ecd67c59659bb3000f83bf332e

      SHA1

      a3b6b3abef524e09c195fad73c82d06268734ac4

      SHA256

      fac1ea6b03c0589930a81d5649613e98be227c8e766a411113caaa7044bf6765

      SHA512

      10ae930dd4fb8d87595f2c8d74dbada1c98e204330dd6019e6c323b59220118e3fde6115cfc240abbb6e34580b5121c329340eea8f75681acbde5325992c4799

    • C:\Users\Admin\AppData\Local\Temp\bd078BFBFF000306D22603F023.tmp

      Filesize

      46KB

      MD5

      02d2c46697e3714e49f46b680b9a6b83

      SHA1

      84f98b56d49f01e9b6b76a4e21accf64fd319140

      SHA256

      522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

      SHA512

      60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

    • C:\Users\Admin\AppData\Local\Temp\wPZLTFFLTFBNVVZuN078BFBFF000306D22603F02370\70078BFBFF000306D22603F023wPZLTFFLTFBNVVZuN\Screenshot.Jpeg

      Filesize

      82KB

      MD5

      a0e060277ac825638d1fa1a0805b93bb

      SHA1

      c641a663ac09d71479dbe89f8d69284da6e3f1ee

      SHA256

      016f542aade1911a4b22d3b84a075233c80733c5ed8da53515c93ba8edf76de6

      SHA512

      5e53df42b1865a1510d213b36b0788799005f79fa6f7bf1e67471342691c0e45cb5eca987b2f7c84b98ecbef280ae7ffe9fc99382687a9aafa026f598fc6b0a1

    • C:\Users\Admin\AppData\Roaming\L078BFBFF000306D22603F02316\16078BFBFF000306D22603F023L\Browsers\Passwords\Passwords_Edge.txt

      Filesize

      426B

      MD5

      42fa959509b3ed7c94c0cf3728b03f6d

      SHA1

      661292176640beb0b38dc9e7a462518eb592d27d

      SHA256

      870ef3d2370932a8938faa60abd47d75ea0af98bfa11c82ae8efe9e94fd8be00

      SHA512

      7def291737d081c93d0cc38ac8d3062fd34d93b68d191eb0d54e9857e0c0afdbcd241471a2e10c28ce8db3b1d1ae0dba2ef6f609cfe8a1e8fe1dd103dba80007

    • C:\Users\Admin\AppData\Roaming\L078BFBFF000306D22603F02316\16078BFBFF000306D22603F023L\Grabber\MeasureFormat.doc

      Filesize

      57KB

      MD5

      f5ac5b869a3d0d633c1b4d8062551c0f

      SHA1

      e4b7976029b70086517fc3954018d6c191db8883

      SHA256

      44067d566a47209713d5624e7c0eb678d9ab2316bce35d50f4412b66056a8eeb

      SHA512

      62ec271327ec72acb55611f9946fe92d7e35a1478043bb71e5b670d61ae1063d70052befe81af8278798c664b8f872d7e2e946dba388ed05bed5ab09911b23bc

    • C:\Users\Admin\AppData\Roaming\L078BFBFF000306D22603F02316\16078BFBFF000306D22603F023L\Grabber\PublishLock.txt

      Filesize

      99KB

      MD5

      6bbc6746eee216ef7469ae5569e090dd

      SHA1

      d121535c2dfb9432affbfdca5a7a6a40f60c6ce3

      SHA256

      395d3b50d67ea9dc78a484d24d7b779a0288125e1cf5ba9413025851387e71e9

      SHA512

      cc19a51347a7161a95815fdce2bc90f65d858a27fb8e41f18dbea696d319ddcb4ef055145b42e0a38b1e214ab361f4e02d3ceb5f47f77796b65b1b407073c831

    • C:\Users\Admin\AppData\Roaming\L078BFBFF000306D22603F02316\16078BFBFF000306D22603F023L\Grabber\PushCopy.doc

      Filesize

      111KB

      MD5

      34ae07ec57972a67394ccf9680d181a9

      SHA1

      ae62d33de9bb32d9e5ef2f0373ffe903c4c2ac15

      SHA256

      b915d25d40a9b57cac628fb8b43115825659ef2f97b9e235356336884136c302

      SHA512

      61ac7e61225035957fcf074016ab099544dc7ce1b2e38759eae0c46a444fdbd89b0a02425fe3ad4aa0e802a257e0e8da006cc928824a1a32a6a319eaedd4998a

    • C:\Users\Admin\AppData\Roaming\L078BFBFF000306D22603F02316\16078BFBFF000306D22603F023L\Grabber\RevokeUse.jpg

      Filesize

      143KB

      MD5

      1753e83228991f49ff1c0f96c2121f98

      SHA1

      58b13e250a4db7a6c8adea7b85893b2384a37d35

      SHA256

      052770cb591f9da845ad9dfa73186329b987a760048f7fbf93e693f51147ba17

      SHA512

      a00bab660600db4953ea3c39aa0111039c1224cf841255a9fb720ffd9298273dc4ca9d76751ed1c89f746a2ffc6ef38cbab650ebd49ada53bb633010bc394d88

    • memory/2268-195-0x00007FF8F6390000-0x00007FF8F6E51000-memory.dmp

      Filesize

      10.8MB

    • memory/2268-104-0x0000021816E00000-0x0000021816E10000-memory.dmp

      Filesize

      64KB

    • memory/2268-103-0x00007FF8F6390000-0x00007FF8F6E51000-memory.dmp

      Filesize

      10.8MB

    • memory/4024-6-0x00007FF8F6320000-0x00007FF8F6DE1000-memory.dmp

      Filesize

      10.8MB

    • memory/4024-100-0x00007FF8F6320000-0x00007FF8F6DE1000-memory.dmp

      Filesize

      10.8MB

    • memory/4024-7-0x000001B7BB6C0000-0x000001B7BB736000-memory.dmp

      Filesize

      472KB

    • memory/4024-8-0x000001B7BB590000-0x000001B7BB5A0000-memory.dmp

      Filesize

      64KB

    • memory/4024-5-0x000001B7A0FA0000-0x000001B7A10AA000-memory.dmp

      Filesize

      1.0MB