General

  • Target

    b9373b09a7284ea1e1d0f4439f0200b1_JaffaCakes118

  • Size

    796KB

  • Sample

    240617-wbt7qsxgna

  • MD5

    b9373b09a7284ea1e1d0f4439f0200b1

  • SHA1

    2853cfadae3e3a08d9cc31f87a894986c1bfb13b

  • SHA256

    d8f86ddc6f646a987eb2fe7c17addec22346fb12c549bdcacfe27295d36111c4

  • SHA512

    d163d202820110b2ca38c745da3f5ff94211ab5f7c2a7b0294ccb1e6a09a2e79d3e02c315f1617ff76c67d712c2fdfe52b17fcbecf68cb88bdd80b91a7ad1b4d

  • SSDEEP

    12288:cBW3ydgEMyxPW5FJxko6XJW1MuRVndv3ErN6t8zwpEYFVSLC4UQuczwenBAG2BOK:VymymUW1MuPdv3kIxjcLnBAJBOK

Malware Config

Targets

    • Target

      b9373b09a7284ea1e1d0f4439f0200b1_JaffaCakes118

    • Size

      796KB

    • MD5

      b9373b09a7284ea1e1d0f4439f0200b1

    • SHA1

      2853cfadae3e3a08d9cc31f87a894986c1bfb13b

    • SHA256

      d8f86ddc6f646a987eb2fe7c17addec22346fb12c549bdcacfe27295d36111c4

    • SHA512

      d163d202820110b2ca38c745da3f5ff94211ab5f7c2a7b0294ccb1e6a09a2e79d3e02c315f1617ff76c67d712c2fdfe52b17fcbecf68cb88bdd80b91a7ad1b4d

    • SSDEEP

      12288:cBW3ydgEMyxPW5FJxko6XJW1MuRVndv3ErN6t8zwpEYFVSLC4UQuczwenBAG2BOK:VymymUW1MuPdv3kIxjcLnBAJBOK

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla payload

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks