berbew | 55434a23d3831e05eb108d22355b94406356fb943fac121057d41d41cc8dc42e | Triage

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Overview

overview

Static

static

NEAS.3c5d9...a0.exe

windows7-x64

NEAS.3c5d9...a0.exe

windows10-2004-x64

Sharing

General

Target

NEAS.3c5d9133518745ae6ca64714aa4f7ea0.exe
Size

304KB
Sample

231111-rnxfeahd52
MD5

3c5d9133518745ae6ca64714aa4f7ea0
SHA1

ba28c6274cac196ba4d64a8ea2c5f1936e75b710
SHA256

55434a23d3831e05eb108d22355b94406356fb943fac121057d41d41cc8dc42e
SHA512

f8445b9aba71a80e7eefc51341aa8ebb0e09deff8faacfad244b94306e4a74f35626d8d7fa11d6dcc872ce4740ee8663d61e3fc515448af3da9351938e73f5a7
SSDEEP

6144:sivjRbjG1tbFeJLbnCBbC+nVLjOPj194oQAPJiduHyFfeoHiWmVlWaPxqZcNpCLh:sivjRb4FeJLbnCN3xjOPj1Gg2uHyFfe2

Score

10^/10

berbew dropper persistence trojan

Static task

static1

persistence dropper trojan berbew

3 signatures

Behavioral task

behavioral1

Sample

NEAS.3c5d9133518745ae6ca64714aa4f7ea0.exe

Resource

win7-20231023-en

dropper persistence trojan

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

NEAS.3c5d9133518745ae6ca64714aa4f7ea0.exe

Resource

win10v2004-20231025-en

dropper persistence trojan

windows10-2004-x64

7 signatures

150 seconds

Malware Config

Targets

- Target
  
  NEAS.3c5d9133518745ae6ca64714aa4f7ea0.exe
- Size
  
  304KB
- MD5
  
  3c5d9133518745ae6ca64714aa4f7ea0
- SHA1
  
  ba28c6274cac196ba4d64a8ea2c5f1936e75b710
- SHA256
  
  55434a23d3831e05eb108d22355b94406356fb943fac121057d41d41cc8dc42e
- SHA512
  
  f8445b9aba71a80e7eefc51341aa8ebb0e09deff8faacfad244b94306e4a74f35626d8d7fa11d6dcc872ce4740ee8663d61e3fc515448af3da9351938e73f5a7
- SSDEEP
  
  6144:sivjRbjG1tbFeJLbnCBbC+nVLjOPj194oQAPJiduHyFfeoHiWmVlWaPxqZcNpCLh:sivjRb4FeJLbnCN3xjOPj1Gg2uHyFfe2
Score

10^/10

dropper persistence trojan
- Adds autorun key to be loaded by Explorer.exe on startup
  persistence
- Malware Backdoor - Berbew
  Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.
  persistence dropper trojan
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

persistencedroppertrojanberbew

behavioral1

dropperpersistencetrojan

behavioral2

dropperpersistencetrojan

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