Overview

overview

10

Static

static

10

05efea1b57...93.exe

windows7-x64

10

05efea1b57...93.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    05efea1b575f07acf54d2325ca017e4572c66bd15b2d17bf79d6bc26b8585d93.exe

  • Size

    448KB

  • Sample

    240521-x3m36sfg38

  • MD5

    1932e59dd4c09083cd5013abfceccd00

  • SHA1

    77b25ad33775d30cc829ea3ac356e0b984adc4f3

  • SHA256

    05efea1b575f07acf54d2325ca017e4572c66bd15b2d17bf79d6bc26b8585d93

  • SHA512

    5aee2060e15a6aaeb2c9a000210f6c79fcf7890b7ab6def7adf2b77bf6d2051ff0d670878b1a36f97b81437cb82daaa3bd3095e31cd5d2703311e6904c1cb7ca

  • SSDEEP

    6144:VZV8yrnLu77aOl3BzrUmKyIxLfYeOO9UmKyIxLiajOEjXP3HBsR4/0ePGSzxC:9k7aOlxzr3cOK3TajRfXFMKNxC

Score
10/10
berbewbackdoordropperpersistencetrojan

Malware Config

Targets

    • Target

      05efea1b575f07acf54d2325ca017e4572c66bd15b2d17bf79d6bc26b8585d93.exe

    • Size

      448KB

    • MD5

      1932e59dd4c09083cd5013abfceccd00

    • SHA1

      77b25ad33775d30cc829ea3ac356e0b984adc4f3

    • SHA256

      05efea1b575f07acf54d2325ca017e4572c66bd15b2d17bf79d6bc26b8585d93

    • SHA512

      5aee2060e15a6aaeb2c9a000210f6c79fcf7890b7ab6def7adf2b77bf6d2051ff0d670878b1a36f97b81437cb82daaa3bd3095e31cd5d2703311e6904c1cb7ca

    • SSDEEP

      6144:VZV8yrnLu77aOl3BzrUmKyIxLfYeOO9UmKyIxLiajOEjXP3HBsR4/0ePGSzxC:9k7aOlxzr3cOK3TajRfXFMKNxC

    Score
    10/10
    backdoordropperpersistencetrojan

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Malware Dropper & Backdoor - Berbew

      Berbew is a backdoor Trojan malware with capabilities to download and install a range of additional malicious software, such as other Trojans, ransomware, and cryptominers.

      backdoortrojandropper

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks