General

  • Target

    32c9c069c7fe9ffdd9086b957e45c03993863730cd1eed4815e226dc1b7b436e_JC.exe

  • Size

    476KB

  • Sample

    231012-18ln3sdd3s

  • MD5

    76f37b780edf118a0364fab327167a0c

  • SHA1

    78dbbff57068378e4709afea5ba35561eb157ef5

  • SHA256

    32c9c069c7fe9ffdd9086b957e45c03993863730cd1eed4815e226dc1b7b436e

  • SHA512

    f677065ad4a920fbd819dae3eff010f35b794ac3d2f2031acbad8162fa4cb9d398420ba5d665b4260f0a17832d149e617d097be5c4986ea7a31a33fd3878b7b3

  • SSDEEP

    12288:y5QaO7SIsbbv4/lDv0zMrcoZPPPKW1ICFBCGw:ravv4tDKMrVPKsIkCGw

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://servermlogs27.xyz/statweb255/

http://servmblog45.xyz/statweb255/

http://demblog575.xyz/statweb255/

http://admlogs85x.xyz/statweb255/

http://blogmstat389.xyz/statweb255/

http://blogmstat255.xyz/statweb255/

rc4.i32
rc4.i32

Targets

    • Target

      32c9c069c7fe9ffdd9086b957e45c03993863730cd1eed4815e226dc1b7b436e_JC.exe

    • Size

      476KB

    • MD5

      76f37b780edf118a0364fab327167a0c

    • SHA1

      78dbbff57068378e4709afea5ba35561eb157ef5

    • SHA256

      32c9c069c7fe9ffdd9086b957e45c03993863730cd1eed4815e226dc1b7b436e

    • SHA512

      f677065ad4a920fbd819dae3eff010f35b794ac3d2f2031acbad8162fa4cb9d398420ba5d665b4260f0a17832d149e617d097be5c4986ea7a31a33fd3878b7b3

    • SSDEEP

      12288:y5QaO7SIsbbv4/lDv0zMrcoZPPPKW1ICFBCGw:ravv4tDKMrVPKsIkCGw

    • Ammyy Admin

      Remote admin tool with various capabilities.

    • AmmyyAdmin payload

    • Detect rhadamanthys stealer shellcode

    • FlawedAmmyy RAT

      Remote-access trojan based on leaked code for the Ammyy remote admin software.

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • Writes to the Master Boot Record (MBR)

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks