Overview

overview

10

Static

static

83970b7564...e4.exe

windows7-x64

8

83970b7564...e4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    31-08-2022 07:10

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General

  • Target

    83970b7564a4bb507d9d764a747bb4e4.exe

  • Size

    433KB

  • MD5

    83970b7564a4bb507d9d764a747bb4e4

  • SHA1

    baa8dec2502aa980085a0472a6c122bd4af64ea6

  • SHA256

    9d33270d80f2ba9d898b0b646dbaade5e1ad2de477e58cfcce74272d60a7473d

  • SHA512

    251ddb825041332e89c5edb3fab35a2210f0f0ac6b8868872a44c9d731da446b960ba114226b2bafe71dc85a4c20d1122757660f6f1abd0ecd1821e598a6177b

  • SSDEEP

    6144:5Llcs/PqcPPee+4DEZqVUMzuh3AdfLZUwIHccPyOz2bLNARo4ol8FzInD3:3yo4BAdtUwIHfyOuLNmonOBID3

Score
8/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83970b7564a4bb507d9d764a747bb4e4.exe
    "C:\Users\Admin\AppData\Local\Temp\83970b7564a4bb507d9d764a747bb4e4.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Users\Admin\AppData\Local\Temp\tmp77CF.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp77CF.tmp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 96
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp77CF.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

    Download Submit
  • \Users\Admin\AppData\Local\Temp\tmp77CF.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

    Download Submit
  • \Users\Admin\AppData\Local\Temp\tmp77CF.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

    Download Submit
  • \Users\Admin\AppData\Local\Temp\tmp77CF.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

    Download Submit
  • memory/784-54-0x0000000000330000-0x00000000003A2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/784-55-0x00000000003E0000-0x00000000003EA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1708-56-0x0000000000000000-mapping.dmp
    Download
  • memory/1732-58-0x0000000000000000-mapping.dmp
    Download