5f7d9ee253fbd18a7f7ede3f9427d15d4957ca26e7f1e8c5d9a8c99235945eed | Triage

Analysis

max time kernel
151s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20231128-en
resource tags

arch:x64arch:x86image:win11-20231128-enlocale:en-usos:windows11-21h2-x64system
submitted
11/12/2023, 01:53

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General

Target

2 - Copy.exe
Size

902KB
MD5

34a98268ac65cb4ab39175f4035d95ef
SHA1

37aae493e8ca8caa792fb7a4a26859826f3c28e5
SHA256

8e127555bfa80d79e62cf239f53fe66783dc11f5dbe1e42925a0ee9535a85c31
SHA512

2c3775145e1397fa8e2ad8c546079a6e747d241d0bdf30478cc97e378fa62fd66445762fe70d24004b720e56b53b42db38d45c0eb8477a2c65ebc19bf7aa1222
SSDEEP

6144:cedQzQcAKMRUOUqN+0sE6I9raFU4t9nF20bK4rLxWYqaUGrJ+bHpq1:ced6QmMRrNL6e4TFbEYqazrJMg1

Score

8^/10

evasion

Malware Config

Signatures

Disables Task Manager via registry modification
evasion
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task/Job

pid	Process
4632	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2419339351-1576266894-3530880589-1000\Software\Microsoft\Internet Explorer\Main	2 - Copy.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2419339351-1576266894-3530880589-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	2 - Copy.exe
Key created	\REGISTRY\USER\S-1-5-21-2419339351-1576266894-3530880589-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	2 - Copy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2419339351-1576266894-3530880589-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	2 - Copy.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe
3212	2 - Copy.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3212	2 - Copy.exe
Token: 33	3364	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3364	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3212	2 - Copy.exe
3212	2 - Copy.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 4632	3212	2 - Copy.exe	81
PID 3212 wrote to memory of 4632	3212	2 - Copy.exe	81

C:\Users\Admin\AppData\Local\Temp\2 - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\2 - Copy.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks /create /sc minute /mo 1 /tn CClanarTask /tr C:\Users\Admin\AppData\Local\Temp\2 - Copy.exe
  2⤵
  - Creates scheduled task(s)
  PID:4632

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x0000000000000464 0x00000000000004C4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Modify Registry

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3212-0-0x000000001B950000-0x000000001B9F6000-memory.dmp

Filesize
664KB

Download
memory/3212-1-0x00007FFDE8040000-0x00007FFDE89E1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-3-0x000000001BF00000-0x000000001C3CE000-memory.dmp

Filesize
4.8MB

Download
memory/3212-2-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/3212-4-0x00007FFDE8040000-0x00007FFDE89E1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-5-0x000000001C480000-0x000000001C51C000-memory.dmp

Filesize
624KB

Download
memory/3212-7-0x000000001C5E0000-0x000000001C62C000-memory.dmp

Filesize
304KB

Download
memory/3212-6-0x0000000001220000-0x0000000001228000-memory.dmp

Filesize
32KB

Download
memory/3212-8-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/3212-36-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/3212-37-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/3212-38-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/3212-50-0x00007FFDE8040000-0x00007FFDE89E1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-51-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/3212-52-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/3212-53-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/3212-54-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/3212-55-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download