agenttesla | ea864341641de1637aae67886b4803cb1311a76bc661b12048b9dcb099cb0171 | Triage

Sharing

General

Target

JigsawRansomware.exe
Size

1.5MB
Sample

240326-aqd86sdg8z
MD5

a19bccc7accdbc624e21773e29915021
SHA1

d5ffa92286ab0dfd5d750948880225f11dc0eba3
SHA256

ea864341641de1637aae67886b4803cb1311a76bc661b12048b9dcb099cb0171
SHA512

d85af739631d4dd960c1bf7bc045f53ad3e31a10d4a41facb8664a89b65c9182ac7205ea9466815099d7dc8cedf372496d050c66f15fc3cc92fbc2803efc6db7
SSDEEP

49152:z70nS4pfVkqgy6r3a+kqXfd+/9A9TVanieKd:z7K5JEyUa+kqXf0FoVW

Score

10^/10

agenttesla jigsaw keylogger persistence ransomware spyware stealer trojan

Malware Config

Targets

- Target
  
  JigsawRansomware.exe
- Size
  
  1.5MB
- MD5
  
  a19bccc7accdbc624e21773e29915021
- SHA1
  
  d5ffa92286ab0dfd5d750948880225f11dc0eba3
- SHA256
  
  ea864341641de1637aae67886b4803cb1311a76bc661b12048b9dcb099cb0171
- SHA512
  
  d85af739631d4dd960c1bf7bc045f53ad3e31a10d4a41facb8664a89b65c9182ac7205ea9466815099d7dc8cedf372496d050c66f15fc3cc92fbc2803efc6db7
- SSDEEP
  
  49152:z70nS4pfVkqgy6r3a+kqXfd+/9A9TVanieKd:z7K5JEyUa+kqXf0FoVW
Score

10^/10

agenttesla jigsaw keylogger persistence ransomware spyware stealer trojan
- AgentTesla
  Agent Tesla is a remote access tool (RAT) written in visual basic.
  keylogger trojan stealer spyware agenttesla
- Jigsaw Ransomware
  Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
  ransomware jigsaw
- AgentTesla payload
- Renames multiple (3757) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
behavioral1

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

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

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