General

  • Target

    13e5decc722a39965a15f47bc3fabb44.exe

  • Size

    268KB

  • Sample

    220801-ylssrshgdl

  • MD5

    13e5decc722a39965a15f47bc3fabb44

  • SHA1

    586ee85719397ae5548dbd724b92471ff62d5091

  • SHA256

    c8a0a8bce7a0ea50386666600c2ce4c90e23adc02b921bcd74606f921de8fdda

  • SHA512

    792187eddbf8527eabb19cb511cce6451cd5d19e1f09d146e9bfe10776ee934929db590d9e726f7a38861837b8e53e654926bc8aeccb837e21dd346e73b1a694

Malware Config

Targets

    • Target

      13e5decc722a39965a15f47bc3fabb44.exe

    • Size

      268KB

    • MD5

      13e5decc722a39965a15f47bc3fabb44

    • SHA1

      586ee85719397ae5548dbd724b92471ff62d5091

    • SHA256

      c8a0a8bce7a0ea50386666600c2ce4c90e23adc02b921bcd74606f921de8fdda

    • SHA512

      792187eddbf8527eabb19cb511cce6451cd5d19e1f09d146e9bfe10776ee934929db590d9e726f7a38861837b8e53e654926bc8aeccb837e21dd346e73b1a694

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VirtualBox drivers on disk

    • ModiLoader Second Stage

    • Adds policy Run key to start application

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Deletes itself

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Virtualization/Sandbox Evasion

3
T1497

Modify Registry

3
T1112

Discovery

Software Discovery

1
T1518

Query Registry

5
T1012

Virtualization/Sandbox Evasion

3
T1497

File and Directory Discovery

1
T1083

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks