Overview

overview

10

Static

static

3

a97f8afdf9...fe.exe

windows7-x64

10

a97f8afdf9...fe.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a97f8afdf91943ab21197651c155a799d386fa6f84f457b1fa6eaf23f7ecc3fe

  • Size

    393KB

  • Sample

    240521-lf94msgd54

  • MD5

    c24b006757a1547f186ae964692d6ced

  • SHA1

    9aaf71667f51d5370097e67af437ebd4a1706d17

  • SHA256

    a97f8afdf91943ab21197651c155a799d386fa6f84f457b1fa6eaf23f7ecc3fe

  • SHA512

    44814cac7370ab690f2d24e3e4b911b96a1bf9b324f85ac59cbcbbae3acc06c99b321060ffa921e313c6369293e7cc845d9ff97b147299d712d2b31b92252d96

  • SSDEEP

    6144:OgZiAEAO0sByNsAal3gVAWgS7/Ohwj3ulclvo7sxExUkK:OgZXEAO/BUdG3gVdt7KSwivouESH

Score
10/10
cobaltstrikebackdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://120.55.183.201:8001/NAVx

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; BOIE9;ENUSMSE)

Targets

    • Target

      a97f8afdf91943ab21197651c155a799d386fa6f84f457b1fa6eaf23f7ecc3fe

    • Size

      393KB

    • MD5

      c24b006757a1547f186ae964692d6ced

    • SHA1

      9aaf71667f51d5370097e67af437ebd4a1706d17

    • SHA256

      a97f8afdf91943ab21197651c155a799d386fa6f84f457b1fa6eaf23f7ecc3fe

    • SHA512

      44814cac7370ab690f2d24e3e4b911b96a1bf9b324f85ac59cbcbbae3acc06c99b321060ffa921e313c6369293e7cc845d9ff97b147299d712d2b31b92252d96

    • SSDEEP

      6144:OgZiAEAO0sByNsAal3gVAWgS7/Ohwj3ulclvo7sxExUkK:OgZXEAO/BUdG3gVdt7KSwivouESH

    Score
    10/10
    cobaltstrikebackdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks