Analysis

  • max time kernel
    119s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2023 15:13

General

  • Target

    tmp.exe

  • Size

    551KB

  • MD5

    ff1ca929fe28719fd5130eed0fdd7eca

  • SHA1

    62a9bd920b1bc1ba09594e4918333cbffb3a661f

  • SHA256

    627e568c0327896d75d3c5a03546e48c8b8fb11b1608bb7740e3cf537bcb3f95

  • SHA512

    6d464d0720447a4ce5cb020f291de2fbecd206dc8cd295069db06f23c3690cb8f18119b5f276ba1d514096a9c7f9568632c214dbed13290d196df3a696b8e4ce

  • SSDEEP

    12288:GE0JumCZY0gWUEBtDaN1F2tKV8t8JKwjPH1Cguzeo7JSsQ4+woDtCpIZVuJj+cZI:pBgd1F2

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 2 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Loads dropped DLL
    • Accesses Microsoft Outlook profiles
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:2072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    27939c5846efe299cb1b2371bf18f3f6

    SHA1

    1597a18979bcc7eb6f451d4afa764cb7de805b1c

    SHA256

    1872afb8cbcba75be2f3410632c5417bce44953948b4e29728747e1165a899b0

    SHA512

    1f8de163e49d16734329dd1996c09807dd36ebacdfdfaef6fa733a29089af304ac70d88e6aeef2648d765daf0cf04843421516a14f1a1dac3cf506e6ec7512b2

  • C:\Users\Admin\AppData\Local\Temp\Cab4B35.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar4C41.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • \Users\Admin\AppData\Local\Temp\tempAVSVLkIrn1cEmG5\sqlite3.dll

    Filesize

    791KB

    MD5

    0fe0a178f711b623a8897e4b0bb040d1

    SHA1

    01ea412aeab3d331f825d93d7ee1f5fa6d3c46e6

    SHA256

    0c7cd52abdb6eb3e556d81caac398a127495e4a251ef600e6505a81385a1982d

    SHA512

    6c53c489c4464b9dc9a5dd31c48bb4afa65f7d6df9cc71e705cea2074ebd5e249cad4894eac6f6b308b3574633bc6e1706dfc5fda5f46c27f1e37d21e65fbc54

  • memory/2072-1-0x0000000074770000-0x0000000074E5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2072-0-0x0000000000890000-0x0000000000920000-memory.dmp

    Filesize

    576KB

  • memory/2072-2-0x0000000002470000-0x00000000024B0000-memory.dmp

    Filesize

    256KB

  • memory/2072-98-0x0000000074770000-0x0000000074E5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2072-99-0x0000000002470000-0x00000000024B0000-memory.dmp

    Filesize

    256KB

  • memory/2072-111-0x0000000074770000-0x0000000074E5E000-memory.dmp

    Filesize

    6.9MB