ac5e09927cf29318eeb315cf02cd19992afcc151de228192d332bb83e034aaaf

Analysis

max time kernel
104s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2025, 08:00

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General

Target

20250407_KoiLoader_Samples/sd2.ps1
Size

466KB
MD5

7a441a7e686aa409412f220e4a50b7d1
SHA1

eb8ef763e195ba723bbc37aad06a50467387dd43
SHA256

b29edac39c00705b647db6ab0539aeaddcca3abd91cda4b8a68c75ee6318206c
SHA512

05e45814569082e47ab31c072ab119748827f54508eac004a093f6114fdbe8eefbd17bf754d57d8f48b3d6836a07c4826b46b2ae6f995bd1cb66e52de1e45cf6
SSDEEP

6144:f4m3IVr1QxZ8Pv9b3zzxFifMPbWkE1o08246c+nu2KTHZ70wdPX5OUG6jPjtPWyC:gmYVexdM2ol2jS7Rnh5uwszO6eM19L++

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	5432	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5432	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5432	powershell.exe
5432	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5432	powershell.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\20250407_KoiLoader_Samples\sd2.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5432

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qodupv2r.kzd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/5432-0-0x00007FFB2C0C3000-0x00007FFB2C0C5000-memory.dmp

Filesize
8KB

Download
memory/5432-6-0x0000021B21750000-0x0000021B21772000-memory.dmp

Filesize
136KB

Download
memory/5432-11-0x00007FFB2C0C0000-0x00007FFB2CB81000-memory.dmp

Filesize
10.8MB

Download
memory/5432-12-0x00007FFB2C0C0000-0x00007FFB2CB81000-memory.dmp

Filesize
10.8MB

Download
memory/5432-13-0x0000021B218F0000-0x0000021B2190A000-memory.dmp

Filesize
104KB

Download
memory/5432-14-0x0000021B21CF0000-0x0000021B21D40000-memory.dmp

Filesize
320KB

Download
memory/5432-15-0x00007FFB2C0C0000-0x00007FFB2CB81000-memory.dmp

Filesize
10.8MB

Download
memory/5432-18-0x00007FFB2C0C0000-0x00007FFB2CB81000-memory.dmp

Filesize
10.8MB

Download