General

  • Target

    24e2f026cb22f7dd672b369b91c75847d66976c787142599a2ed8669f1666ed2

  • Size

    4.3MB

  • Sample

    230327-rjv2sadg72

  • MD5

    2546be1f997c39b02143a5908ac7bec9

  • SHA1

    7b6c80b8b0288ec37430a8c5662c1f92dd46f11d

  • SHA256

    24e2f026cb22f7dd672b369b91c75847d66976c787142599a2ed8669f1666ed2

  • SHA512

    016a5fc1a01b4e35cbf7873d2aba6e8801551ed1d9764b35ea383def83e60b50ae779814c51981d55c9b098c5d33933e360a0752e3855ed9c64e790ba388d179

  • SSDEEP

    98304:biv+VRRT1/DK/ff7HTK9sPxVV22fYe17DFFyGA4KhX:bi0P1/+/f7TK9sPxVI2N17DFFyGLOX

Malware Config

Extracted

Family

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

Targets

    • Target

      24e2f026cb22f7dd672b369b91c75847d66976c787142599a2ed8669f1666ed2

    • Size

      4.3MB

    • MD5

      2546be1f997c39b02143a5908ac7bec9

    • SHA1

      7b6c80b8b0288ec37430a8c5662c1f92dd46f11d

    • SHA256

      24e2f026cb22f7dd672b369b91c75847d66976c787142599a2ed8669f1666ed2

    • SHA512

      016a5fc1a01b4e35cbf7873d2aba6e8801551ed1d9764b35ea383def83e60b50ae779814c51981d55c9b098c5d33933e360a0752e3855ed9c64e790ba388d179

    • SSDEEP

      98304:biv+VRRT1/DK/ff7HTK9sPxVV22fYe17DFFyGA4KhX:bi0P1/+/f7TK9sPxVI2N17DFFyGLOX

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Modifies security service

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Impair Defenses

1
T1562

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks