Overview

overview

10

Static

static

10

3e81861dd9...c2.exe

windows7-x64

10

3e81861dd9...c2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3e81861dd96a7dd970675d6d6bedf2fea8760f091ae5344a95a3ffc3324c1ac2.exe

  • Size

    109KB

  • Sample

    240522-z647zahb31

  • MD5

    158915f9e85a6be1b371e1667f269a00

  • SHA1

    feee63498743a666403812583586d6ca243d6721

  • SHA256

    3e81861dd96a7dd970675d6d6bedf2fea8760f091ae5344a95a3ffc3324c1ac2

  • SHA512

    b6f6e1801694c95386bd926ad264ebd243e4b5ec7afbcbf9609b0cbc18ce3ec8c15e875cd7ff2a4e52f72e66a777747e9bc0c505b5eddb74dd1335d9fb8e00d2

  • SSDEEP

    3072:X3LwPENcyFtxhwQGukwcdJ9CLCqwzBu1DjHLMVDqqkSp:eccyFPhwQNlcdJ92wtu1DjrFqh

Score
10/10
berbewbackdoordropperpersistencetrojan

Malware Config

Targets

    • Target

      3e81861dd96a7dd970675d6d6bedf2fea8760f091ae5344a95a3ffc3324c1ac2.exe

    • Size

      109KB

    • MD5

      158915f9e85a6be1b371e1667f269a00

    • SHA1

      feee63498743a666403812583586d6ca243d6721

    • SHA256

      3e81861dd96a7dd970675d6d6bedf2fea8760f091ae5344a95a3ffc3324c1ac2

    • SHA512

      b6f6e1801694c95386bd926ad264ebd243e4b5ec7afbcbf9609b0cbc18ce3ec8c15e875cd7ff2a4e52f72e66a777747e9bc0c505b5eddb74dd1335d9fb8e00d2

    • SSDEEP

      3072:X3LwPENcyFtxhwQGukwcdJ9CLCqwzBu1DjHLMVDqqkSp:eccyFPhwQNlcdJ92wtu1DjrFqh

    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