General

  • Target

    file01.ps1

  • Size

    1KB

  • Sample

    240421-h6jgtsea42

  • MD5

    7f83fb486ba408140e36d0b9f740cba6

  • SHA1

    691ce8af605e694c65efa2639f39675cf10ccd7c

  • SHA256

    e36a5a0011b369ab6d6b02a3c200b0710e432219897d3b11d508820c7d468c52

  • SHA512

    9e017fdfef20f5e062c665b3359594de9590aa71a65a687a0e4622d1800957c3b3685a73253862e46bc2ef52592a80ad7a2fe3f67da119333a19c9fff49a636d

Malware Config

Extracted

Family

redline

C2

185.215.113.69:15544

Attributes
  • auth_value

    7160e72130b45fa8b8cd6c8031261220

Extracted

Family

emotet

Botnet

Epoch5

C2

178.238.225.252:8080

139.196.72.155:8080

36.67.23.59:443

103.56.149.105:8080

37.44.244.177:8080

85.25.120.45:8080

202.134.4.210:7080

78.47.204.80:443

83.229.80.93:8080

93.104.209.107:8080

80.211.107.116:8080

165.22.254.236:8080

104.244.79.94:443

185.148.169.10:8080

190.145.8.4:443

175.126.176.79:8080

139.59.80.108:8080

188.165.79.151:443

128.199.217.206:443

64.227.55.231:8080

ecs1.plain
eck1.plain

Targets

    • Target

      file01.ps1

    • Size

      1KB

    • MD5

      7f83fb486ba408140e36d0b9f740cba6

    • SHA1

      691ce8af605e694c65efa2639f39675cf10ccd7c

    • SHA256

      e36a5a0011b369ab6d6b02a3c200b0710e432219897d3b11d508820c7d468c52

    • SHA512

      9e017fdfef20f5e062c665b3359594de9590aa71a65a687a0e4622d1800957c3b3685a73253862e46bc2ef52592a80ad7a2fe3f67da119333a19c9fff49a636d

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Emotet

      Emotet is a trojan that is primarily spread through spam emails.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scripting

1
T1064

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Scripting

1
T1064

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks