af582ce1d3bbc2d9201c81a058203e96f81087433b80ddd85f8eb1a66faa8d31

Resubmissions

11-12-2023 15:39

231211-s3p6bacbh4 7

10-12-2023 15:26

09-12-2023 14:29

09-12-2023 11:42

08-12-2023 15:15

05-12-2023 15:49

05-12-2023 04:28

Analysis

max time kernel
45s
max time network
55s
platform
windows10-1703_x64
resource
win10-20231129-en
resource tags

arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
submitted
09-12-2023 11:42

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General

Target

dac.exe
Size

22.6MB
MD5

111983bd0209f1541e9d1ee618be1c45
SHA1

cf15e95ad616bbf3b806b0f6b7290cc14c6b557e
SHA256

af582ce1d3bbc2d9201c81a058203e96f81087433b80ddd85f8eb1a66faa8d31
SHA512

6c1e810557acffc3c10213aa663b7527f4808b418e80c3c5610a5489994138236457aad1ffd28861b912add0aaa66053a4cdac2b3a47167d075f8e9b2d592511
SSDEEP

393216:oHqEnUyriULZiXg6LPmmG3z7z/wQ74cZd060stbgB7OrowyVm9fC8:fXyriULZikmG3zP/p748d0LsqB7uyI48

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3584-0-0x0000000180000000-0x0000000180033000-memory.dmp	upx
behavioral2/memory/3584-1-0x0000000180000000-0x0000000180033000-memory.dmp	upx
behavioral2/memory/3584-3-0x0000000180000000-0x0000000180033000-memory.dmp	upx
behavioral2/memory/3584-4-0x0000000180000000-0x0000000180033000-memory.dmp	upx
behavioral2/memory/3584-5-0x0000000180000000-0x0000000180033000-memory.dmp	upx
behavioral2/memory/3584-14-0x0000000180000000-0x0000000180033000-memory.dmp	upx

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

dac.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	dac.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	dac.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

dac.exe

description pid process

Token: SeShutdownPrivilege 3584 dac.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

dac.exe

pid process

3584 dac.exe
3584 dac.exe

description	pid	process
Token: SeShutdownPrivilege	3584	dac.exe

pid	process
3584	dac.exe
3584	dac.exe

C:\Users\Admin\AppData\Local\Temp\dac.exe
"C:\Users\Admin\AppData\Local\Temp\dac.exe"
1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3584-0-0x0000000180000000-0x0000000180033000-memory.dmp

Filesize
204KB

Download
memory/3584-1-0x0000000180000000-0x0000000180033000-memory.dmp

Filesize
204KB

Download
memory/3584-3-0x0000000180000000-0x0000000180033000-memory.dmp

Filesize
204KB

Download
memory/3584-4-0x0000000180000000-0x0000000180033000-memory.dmp

Filesize
204KB

Download
memory/3584-5-0x0000000180000000-0x0000000180033000-memory.dmp

Filesize
204KB

Download
memory/3584-14-0x0000000180000000-0x0000000180033000-memory.dmp

Filesize
204KB

Download