Overview

overview

9

Static

static

10

0abb4a3028...in.exe

windows7_x64

9

0abb4a3028...in.exe

windows10_x64

9

Resubmissions

23-08-2021 09:03

210823-vqq93xpzhj 10

12-08-2021 21:11

210812-xvzjbhw2q2 10

08-08-2021 17:49

210808-rjh11mmpt6 10

Analysis

  • max time kernel
    34s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    08-08-2021 17:49

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General

  • Target

    0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad.bin.exe

  • Size

    1.2MB

  • MD5

    cc3652c078fa2bdfbbfae33335c30bda

  • SHA1

    b3d3ad0c2c9d526717f55c431d51c2f1e957325b

  • SHA256

    0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad

  • SHA512

    d027e1df8c10516b81e47ef840f0e2baf971c0e0c4e77ff0fdc0122bbbb66ed210fd78336cb40d05c76d91838ae89ebb3304050dbf7fb7eeec73d47d1d26ec3d

Score
9/10
evasionpersistenceransomwarespywarestealer

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Deletes System State backups 3 TTPs 2 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Drops file in Drivers directory 13 IoCs
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 41 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 13 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad.bin.exe"
    1⤵
    • Drops file in Drivers directory
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2004
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=c: /on=c: /maxsize=401MB
      2⤵
      • Interacts with shadow copies
      PID:1740
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=c: /on=c: /maxsize=unbounded
      2⤵
      • Interacts with shadow copies
      PID:1664
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=d: /on=d: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:744
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=d: /on=d: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:656
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=e: /on=e: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:1156
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=e: /on=e: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:1996
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=f: /on=f: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:1744
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=f: /on=f: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:556
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=g: /on=g: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:208
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=g: /on=g: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:1688
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=h: /on=h: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:1068
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=h: /on=h: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:916
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1616
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe /set {default} recoveryenabled No
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1724
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1904
    • C:\Windows\system32\wbadmin.exe
      wbadmin DELETE SYSTEMSTATEBACKUP
      2⤵
      • Deletes System State backups
      • Drops file in Windows directory
      PID:1756
    • C:\Windows\system32\wbadmin.exe
      wbadmin DELETE SYSTEMSTATEBACKUP -deleteOldest
      2⤵
      • Deletes System State backups
      • Drops file in Windows directory
      PID:220
    • C:\Windows\System32\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1152
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\0ABB4A~1.EXE >> NUL
      2⤵
      • Deletes itself
      PID:1316
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1960

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

3
T1107

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Replay Monitor

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Downloads

  • memory/208-68-0x0000000000000000-mapping.dmp
    Download
  • memory/220-77-0x0000000000000000-mapping.dmp
    Download
  • memory/556-67-0x0000000000000000-mapping.dmp
    Download
  • memory/656-63-0x0000000000000000-mapping.dmp
    Download
  • memory/744-62-0x0000000000000000-mapping.dmp
    Download
  • memory/916-71-0x0000000000000000-mapping.dmp
    Download
  • memory/1068-70-0x0000000000000000-mapping.dmp
    Download
  • memory/1152-79-0x0000000000000000-mapping.dmp
    Download
  • memory/1156-64-0x0000000000000000-mapping.dmp
    Download
  • memory/1316-80-0x0000000000000000-mapping.dmp
    Download
  • memory/1616-72-0x0000000000000000-mapping.dmp
    Download
  • memory/1664-61-0x0000000000000000-mapping.dmp
    Download
  • memory/1688-69-0x0000000000000000-mapping.dmp
    Download
  • memory/1724-73-0x0000000000000000-mapping.dmp
    Download
  • memory/1740-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1744-66-0x0000000000000000-mapping.dmp
    Download
  • memory/1756-75-0x0000000000000000-mapping.dmp
    Download
  • memory/1904-74-0x0000000000000000-mapping.dmp
    Download
  • memory/1996-65-0x0000000000000000-mapping.dmp
    Download
  • memory/2004-59-0x000007FEFC411000-0x000007FEFC413000-memory.dmp
    Filesize

    8KB

    Download