9f2511ba1fd10d8ecf1d3bc6f294da8bb4e43161253346a9b5909e34205b1237 | Triage

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Overview

overview

9

Static

static

7

9f2511ba1f...37.exe

windows7-x64

9

9f2511ba1f...37.exe

windows10-2004-x64

9

Sharing

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General

Target

9f2511ba1fd10d8ecf1d3bc6f294da8bb4e43161253346a9b5909e34205b1237
Size

89KB
Sample

240902-b7wp8ayhpa
MD5

66eac33ff67a02d384004a669434362a
SHA1

b822befe0c3739c5f546965934f28e4d6de8927b
SHA256

9f2511ba1fd10d8ecf1d3bc6f294da8bb4e43161253346a9b5909e34205b1237
SHA512

d763393380891a1346e68a8e2ad37ee0f5e5306dca8eb2e23340730574bcfcca51c9cf55c105271de3363a3bbb31283e2a85196029aa54e5e9f7e05e25093d72
SSDEEP

1536:CTW7JJ7TTQoQWkjkBTW7JJ7TTQoQWkjkxyKoIWbsHfySkT5GeCyi348oWGRPOzki:hoRVAKoRVAxyKoIWbsHfySkT5GeCyi3l

Score

9^/10

discovery ransomware upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

9f2511ba1fd10d8ecf1d3bc6f294da8bb4e43161253346a9b5909e34205b1237.exe

Resource

win7-20240729-en

discovery ransomware upx

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

9f2511ba1fd10d8ecf1d3bc6f294da8bb4e43161253346a9b5909e34205b1237.exe

Resource

win10v2004-20240802-en

discovery ransomware upx

windows10-2004-x64

7 signatures

150 seconds

Malware Config

Targets

- Target
  
  9f2511ba1fd10d8ecf1d3bc6f294da8bb4e43161253346a9b5909e34205b1237
- Size
  
  89KB
- MD5
  
  66eac33ff67a02d384004a669434362a
- SHA1
  
  b822befe0c3739c5f546965934f28e4d6de8927b
- SHA256
  
  9f2511ba1fd10d8ecf1d3bc6f294da8bb4e43161253346a9b5909e34205b1237
- SHA512
  
  d763393380891a1346e68a8e2ad37ee0f5e5306dca8eb2e23340730574bcfcca51c9cf55c105271de3363a3bbb31283e2a85196029aa54e5e9f7e05e25093d72
- SSDEEP
  
  1536:CTW7JJ7TTQoQWkjkBTW7JJ7TTQoQWkjkxyKoIWbsHfySkT5GeCyi348oWGRPOzki:hoRVAKoRVAxyKoIWbsHfySkT5GeCyi3l
Score

9^/10

discovery ransomware upx
- Renames multiple (4401) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Executes dropped EXE
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

discoveryransomwareupx

behavioral2

discoveryransomwareupx

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