Overview

overview

10

Static

static

3

1157923e5c...18.exe

windows7-x64

7

1157923e5c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1157923e5cd51d747faf266da4e22de5_JaffaCakes118

  • Size

    621KB

  • Sample

    240504-dsc1nsbg61

  • MD5

    1157923e5cd51d747faf266da4e22de5

  • SHA1

    fc2cd39cfae0b4f5ea343e6286e3e98147fac320

  • SHA256

    9f44d74b5fe2e6353074ba70ade88d1747f038ca9902be34cb2ca95eecafc760

  • SHA512

    668e34d0dd732915573e99cae4fb5b7de590f89824fc1142ae3b5fd737af0489be5f69ca9121f8e80f2cb380795ca95addb582ef22a214942f0cc74e1f892a1f

  • SSDEEP

    12288:ACL1cBficFlfKUMXSxY8L/RMkH6d2c60NPgMS6gl0tfqdlW3fp+4V1H/eu1D1S3L:TRchPoU/M2USQYs

Score
10/10
webmonitorbackdoorinfostealerpersistenceratupx

Malware Config

Extracted

Family

webmonitor

C2

perlhabour.wm01.to:443

Attributes
  • config_key

    XNmE4WPjibOWPGiI4YZB52MvfFKluIbw

  • private_key

    RpKoGNosA

  • url_path

    /recv4.php

Targets

    • Target

      1157923e5cd51d747faf266da4e22de5_JaffaCakes118

    • Size

      621KB

    • MD5

      1157923e5cd51d747faf266da4e22de5

    • SHA1

      fc2cd39cfae0b4f5ea343e6286e3e98147fac320

    • SHA256

      9f44d74b5fe2e6353074ba70ade88d1747f038ca9902be34cb2ca95eecafc760

    • SHA512

      668e34d0dd732915573e99cae4fb5b7de590f89824fc1142ae3b5fd737af0489be5f69ca9121f8e80f2cb380795ca95addb582ef22a214942f0cc74e1f892a1f

    • SSDEEP

      12288:ACL1cBficFlfKUMXSxY8L/RMkH6d2c60NPgMS6gl0tfqdlW3fp+4V1H/eu1D1S3L:TRchPoU/M2USQYs

    Score
    10/10
    webmonitorbackdoorinfostealerpersistenceratupx

    • RevcodeRat, WebMonitorRat

      WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

      backdoorratinfostealerwebmonitor

    • WebMonitor payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks