Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-22_bfe2dd7d0ac2a5f21783b3988e1970c1_cryptolocker

  • Size

    94KB

  • Sample

    240522-dacl7aab2w

  • MD5

    bfe2dd7d0ac2a5f21783b3988e1970c1

  • SHA1

    c8f5d1b2d9775015d7cc2443fed8342f6ccee153

  • SHA256

    4aab38225d8fadc50558cc7a57c1161a3417bb80449dd09ec5ea407c6bdf9228

  • SHA512

    23b439c9972cab4661e213077c3d3ca4806a9e911084c4600850007f12bbd4fb507ff86ba4285c19781d76ae207377f0a1543c9251033691d674ffb7e5db3f8c

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kC:zCsanOtEvwDpjB1

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_bfe2dd7d0ac2a5f21783b3988e1970c1_cryptolocker

    • Size

      94KB

    • MD5

      bfe2dd7d0ac2a5f21783b3988e1970c1

    • SHA1

      c8f5d1b2d9775015d7cc2443fed8342f6ccee153

    • SHA256

      4aab38225d8fadc50558cc7a57c1161a3417bb80449dd09ec5ea407c6bdf9228

    • SHA512

      23b439c9972cab4661e213077c3d3ca4806a9e911084c4600850007f12bbd4fb507ff86ba4285c19781d76ae207377f0a1543c9251033691d674ffb7e5db3f8c

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kC:zCsanOtEvwDpjB1

    Score
    9/10
    upx

    • Detection of CryptoLocker Variants

    • Detection of Cryptolocker Samples

    • UPX dump on OEP (original entry point)

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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