Resubmissions

19-04-2024 17:33

240419-v45y9sag59 10

19-04-2024 17:30

240419-v3bn2aaf79 3

General

  • Target

    6EFD8D6D-B3F6-422D-8C59-03A073354643.jpg

  • Size

    55KB

  • Sample

    240419-v45y9sag59

  • MD5

    7b1b0175651889f99280cc3588ba4899

  • SHA1

    232283b58d49de8a97639d91af2b0a6399e86127

  • SHA256

    f73fa309b8a88f87ec5dd249c2118d2dc80e8e79214a2246d98070be048c382b

  • SHA512

    837e9b34b2568ace50c915d1ca30cf5a3627883c92e70c03bee0e95330584f442b24a31fa0bf602db74bf1529aaee9bd3e6897693481706e67dc610a4132775f

  • SSDEEP

    768:ReXWnmp+J0X16Dp8mQIqdNoyO65g+m9A/r8DpDnDSe9R6Sa5/HfLTK+:ReXFAeECm5qNPY9QrWDnb6B5//LTK+

Malware Config

Targets

    • Target

      6EFD8D6D-B3F6-422D-8C59-03A073354643.jpg

    • Size

      55KB

    • MD5

      7b1b0175651889f99280cc3588ba4899

    • SHA1

      232283b58d49de8a97639d91af2b0a6399e86127

    • SHA256

      f73fa309b8a88f87ec5dd249c2118d2dc80e8e79214a2246d98070be048c382b

    • SHA512

      837e9b34b2568ace50c915d1ca30cf5a3627883c92e70c03bee0e95330584f442b24a31fa0bf602db74bf1529aaee9bd3e6897693481706e67dc610a4132775f

    • SSDEEP

      768:ReXWnmp+J0X16Dp8mQIqdNoyO65g+m9A/r8DpDnDSe9R6Sa5/HfLTK+:ReXFAeECm5qNPY9QrWDnb6B5//LTK+

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets service image path in registry

    • 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.

    • Registers COM server for autorun

    • Windows security modification

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Defense Evasion

Modify Registry

4
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Query Registry

6
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

5
T1082

Collection

Data from Local System

1
T1005

Tasks