8ca54102b0b0be91cd86b85c4d009c8acafc4c34fdfaa044d8b3a5ce0fa9cf6b | Triage

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Overview

overview

9

Static

static

7

8ca54102b0...bN.exe

windows7-x64

9

8ca54102b0...bN.exe

windows10-2004-x64

9

Sharing

General

Target

8ca54102b0b0be91cd86b85c4d009c8acafc4c34fdfaa044d8b3a5ce0fa9cf6bN
Size

47KB
Sample

240919-d17v1syfnr
MD5

7b8092146a7a3ab692e781e775da2bc0
SHA1

e5bb8385ab007b1b410bde560d8064f1ba47fb85
SHA256

8ca54102b0b0be91cd86b85c4d009c8acafc4c34fdfaa044d8b3a5ce0fa9cf6b
SHA512

0f193378592c1c5f5d55157764d768e9cedf9919fdb3bc5f15ee8213c76afcbbb7cbf3e6f91111332c1af401ce9d0d597666ad7119b8f053d81e90706afbeb43
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9HSABT37CPKKdJJ1EXBwzEXBwdcMcI9HSJ:CTW7JJ7T1SWTW7JJ7T1SJ

Score

9^/10

discovery ransomware upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

8ca54102b0b0be91cd86b85c4d009c8acafc4c34fdfaa044d8b3a5ce0fa9cf6bN.exe

Resource

win7-20240903-en

discovery ransomware upx

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

8ca54102b0b0be91cd86b85c4d009c8acafc4c34fdfaa044d8b3a5ce0fa9cf6bN.exe

Resource

win10v2004-20240802-en

discovery ransomware upx

windows10-2004-x64

7 signatures

150 seconds

Malware Config

Targets

- Target
  
  8ca54102b0b0be91cd86b85c4d009c8acafc4c34fdfaa044d8b3a5ce0fa9cf6bN
- Size
  
  47KB
- MD5
  
  7b8092146a7a3ab692e781e775da2bc0
- SHA1
  
  e5bb8385ab007b1b410bde560d8064f1ba47fb85
- SHA256
  
  8ca54102b0b0be91cd86b85c4d009c8acafc4c34fdfaa044d8b3a5ce0fa9cf6b
- SHA512
  
  0f193378592c1c5f5d55157764d768e9cedf9919fdb3bc5f15ee8213c76afcbbb7cbf3e6f91111332c1af401ce9d0d597666ad7119b8f053d81e90706afbeb43
- SSDEEP
  
  768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9HSABT37CPKKdJJ1EXBwzEXBwdcMcI9HSJ:CTW7JJ7T1SWTW7JJ7T1SJ
Score

9^/10

discovery ransomware upx
- Renames multiple (4162) 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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