berbew | 271c2f0ef62ddc32b55e2e9d8713c55d92aea42b1327b2764dc48e667a6afb86 | Triage

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Overview

overview

Static

static

NEAS.a992c...90.exe

windows7-x64

NEAS.a992c...90.exe

windows10-2004-x64

Sharing

General

Target

NEAS.a992cfd4977727ba65554ccff342b590.exe
Size

133KB
Sample

231114-3vthwagg35
MD5

a992cfd4977727ba65554ccff342b590
SHA1

bcf4373f7e65540d8e9b414514683668800ea2dc
SHA256

271c2f0ef62ddc32b55e2e9d8713c55d92aea42b1327b2764dc48e667a6afb86
SHA512

2e2edffdd80b7f33201e24980509482792814849b22b577ff36a61660dd70252802f944ac2a72a4e83766a858e460caab522026b6e96b0d060291e0c682324ad
SSDEEP

1536:SQxWUTaqVf5Wa7Va+z+29V1/B1SQjILQ9FKGXllUDtM60TD4ruhiZlrQIFiglF9b:SWWqjBz9BRKG7UDd0pCrQIFdFtLwzTa

Score

10^/10

berbew dropper persistence trojan

Static task

static1

persistence dropper trojan berbew

3 signatures

Behavioral task

behavioral1

Sample

NEAS.a992cfd4977727ba65554ccff342b590.exe

Resource

win7-20231025-en

dropper persistence trojan

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

NEAS.a992cfd4977727ba65554ccff342b590.exe

Resource

win10v2004-20231020-en

dropper persistence trojan

windows10-2004-x64

7 signatures

150 seconds

Malware Config

Targets

- Target
  
  NEAS.a992cfd4977727ba65554ccff342b590.exe
- Size
  
  133KB
- MD5
  
  a992cfd4977727ba65554ccff342b590
- SHA1
  
  bcf4373f7e65540d8e9b414514683668800ea2dc
- SHA256
  
  271c2f0ef62ddc32b55e2e9d8713c55d92aea42b1327b2764dc48e667a6afb86
- SHA512
  
  2e2edffdd80b7f33201e24980509482792814849b22b577ff36a61660dd70252802f944ac2a72a4e83766a858e460caab522026b6e96b0d060291e0c682324ad
- SSDEEP
  
  1536:SQxWUTaqVf5Wa7Va+z+29V1/B1SQjILQ9FKGXllUDtM60TD4ruhiZlrQIFiglF9b:SWWqjBz9BRKG7UDd0pCrQIFdFtLwzTa
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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