Overview

overview

10

Static

static

1

$RECYCLE.B...L8H.js

windows7-x64

1

$RECYCLE.B...L8H.js

windows10-2004-x64

1

$RECYCLE.B...PRW.js

windows7-x64

1

$RECYCLE.B...PRW.js

windows10-2004-x64

1

$RECYCLE.B...R2U.js

windows7-x64

1

$RECYCLE.B...R2U.js

windows10-2004-x64

1

$RECYCLE.B...L8H.js

windows7-x64

10

$RECYCLE.B...L8H.js

windows10-2004-x64

10

$RECYCLE.B...PRW.js

windows7-x64

10

$RECYCLE.B...PRW.js

windows10-2004-x64

10

$RECYCLE.B...R2U.js

windows7-x64

10

$RECYCLE.B...R2U.js

windows10-2004-x64

10

32_94_paym...xls.js

windows7-x64

10

32_94_paym...xls.js

windows10-2004-x64

10

Sharing

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General

  • Target

    32_94_payment_bv_xls.zip

  • Size

    254KB

  • Sample

    230311-zzf7kabc66

  • MD5

    25664e340917e22ca622bfe13a608b34

  • SHA1

    72255986fc86c53f32b678f48e4e4f3728b03a40

  • SHA256

    e40c02fde9cd71faef1d2c1f3f4cebbf8a98fbd5f219e8c5e04bd780684dfe29

  • SHA512

    ac075500d3f79b053227c00002a0e24c597f4e18e0576fa3c8bead6e7d894b9d5456b4d37f01c9494c4deeb894639e25587870702e66c5b0875e57ab4597373f

  • SSDEEP

    3072:1FLKTOOue+ySCi6aKq3XHnf/vPDjTz52mGMsc80UEkQwgAY4oIRxhB5ZJpV1lFVB:1eHay

Score
10/10
vjw0rmpersistencetrojanworm

Malware Config

Extracted

Family

vjw0rm

C2

http://js9400.duckdns.org:9400

http://js9300.duckdns.org:9300

Targets

    • Target

      $RECYCLE.BIN/$I4FIL8H.js

    • Size

      544B

    • MD5

      3bb5ddbbc15c65e6d7af1c41a877bf2f

    • SHA1

      c9411803abd57b1c62936f7a973fde45b792a0f9

    • SHA256

      73cfb6a30179d5759f151505756edd832bdfe6675424cdfef2d0d95b9265fe14

    • SHA512

      6b3eacbd3de4c5ec44852cef7349062d206f3af35f6f315a9e57af6023ac3cd563bd4bfc3f1ce4a1ca69e394e2fd33bec7a7185bac289be7ac713bc24a497686

    Score
    1/10
    behavioral1behavioral2

    • Target

      $RECYCLE.BIN/$I5VEPRW.js

    • Size

      544B

    • MD5

      7fcacbf214c7091a4e52f42ba83ca75a

    • SHA1

      93e6071f014cd5f47dbc0e52c93aadcde29e1457

    • SHA256

      1704bea192c12c3d81474e73f5d0a2cc98cb57e9440e3f033862bd85f5980f85

    • SHA512

      bae645c2ac3758975d468413e430c22c8c9803d90b65ea2d593ab542f901ad771bec89a6eef87103b28105a38addfa97cabb794f488caeb6024542d5c5a8f27f

    Score
    1/10
    behavioral3behavioral4

    • Target

      $RECYCLE.BIN/$IMH8R2U.js

    • Size

      544B

    • MD5

      2c4439dfc4bfb10e8bf9eb4c2932e067

    • SHA1

      925eba054aae34b564c9f70f6813b70eedc744f8

    • SHA256

      161b64c65461b1aa5fbbdfb7d465686ba02b4b3d89a19aaafb2f1a0f4f72597a

    • SHA512

      64f02a63b754586e03a27547f4a2c468307318768bfb24bbb7ad3e02fc726c9e057e1770e8f84b849aad93f9751a655082129bde03a1c45afb6edf495f588501

    Score
    1/10
    behavioral5behavioral6

    • Target

      $RECYCLE.BIN/$R4FIL8H.js

    • Size

      9.0MB

    • MD5

      5d97ab7f843e6c18b96c4e34bd65ff09

    • SHA1

      9ad9f18b92f57a3e1536a552dc3e4081b34169e2

    • SHA256

      eb841738aeb5f98695da31d3ebe1bf241f8411283373fd6e99788fc52903b1be

    • SHA512

      116897043738962c9e059d4701e01b3f36987100a00951ef020c2481dc100a3a59eaf106e5c96b042019dceb53b3a143454c6aaa861262bf2d24c45651699e81

    • SSDEEP

      96:kZH1uyAXIXGou2lcJc9l2JEuft2v2wz2zadZxOBeFcr3vVkcZBIKkcZBe4KcZUCS:kZVhpngJpG2wz2xkFm3vVEKZpFEm

    Score
    10/10
    vjw0rmpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

      persistence
    behavioral7behavioral8

    • Target

      $RECYCLE.BIN/$R5VEPRW.js

    • Size

      97KB

    • MD5

      7afbb2051c1ba1c1e88c499c5e11636a

    • SHA1

      4b2a14b3ca310b1f39959c130ae7b72a03078873

    • SHA256

      74fc83dc153086db0329b982e73e8bee4b652d1265c8185b0b4374898a112d06

    • SHA512

      c506d2d13383948d9acfafdc152f81326fc73381530fbb019794f9bc2b7733b3b455f6eddc92d597614f0f6d641f391d737f93f809486707cb1d8f84378309ec

    • SSDEEP

      384:chWWz5Kfy24jHueR45qWWxWBWHKSqmqR4G:XYG

    Score
    10/10
    vjw0rmpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

      persistence
    behavioral10behavioral9

    • Target

      $RECYCLE.BIN/$RMH8R2U.js

    • Size

      97KB

    • MD5

      7aab68aeb388528f9e3448ea0dce56d7

    • SHA1

      07d648c7247e2db064b7ba1b1b21722c475e3396

    • SHA256

      610eb77c6ef6c0767a1b8d0157b39ea5105697ffdf31d2afa5963e4da8cd0cb8

    • SHA512

      1f59fd8a717ff3bf9f57452440a6e08907cd9c32050aa399ab0a591c6109486410e74d21d5ee41355b4b041f4dd88c679d8077b611cfaea9c597aaa67ed0e8b4

    • SSDEEP

      384:chWz5Kfy24jHueR45qWWxWBWHKSqmqR4G:OYG

    Score
    10/10
    vjw0rmpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

      persistence
    behavioral11behavioral12

    • Target

      32_94_payment_bv_xls.js

    • Size

      300.0MB

    • MD5

      62cc1b7497b1c6483cdee99cf94aaaea

    • SHA1

      60c51b7d03bc0b5215fe3cbd9f52cfb89bcf8d74

    • SHA256

      fd38f9a079dd0bd1808baa9c7dcade49a11eda5cade2bf4197bd1aa00d8fe6aa

    • SHA512

      f43113d41e7c0043e26e8f94e9395db2fe531d87104151db8719736432d2466412ae0402cff9f892795e455faef83cbe80bca59a72abfcbfe31061bed3d96df7

    • SSDEEP

      768:L6Nrj4rmY+ABYSZy1YrmyBFcuYyYxy1Y0RrFrX:L6

    Score
    10/10
    vjw0rmpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Adds Run key to start application

      persistence
    behavioral13behavioral14

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

4
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

System Information Discovery

5
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks