41f3f2ddba5d6c64f4052044b5b15126bfdc76a93c69e8fd8c53600231b63422

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 20:12

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General

Target

emteyvnnuao.ti
Size

8KB
MD5

a59b952d8751c809c4830ae96f5035d7
SHA1

77b1d1d0da42ccaa10228e5aba749dcd36c2cafe
SHA256

a507c46889e57fe768b404d9f76996e07ef7952515dbaf3391292dac420fab45
SHA512

69d2e37c1438b439416f2230ad1bdd73904b02ad8c859575728b0166def68831d1f4a67c5f06101c5747d47da1b1599c47523c235d495fa20be010c721ee56a3
SSDEEP

192:LWTtJD/vGJbz1z8T5abho60npolCORPlmrYA1OgU5sPdpZPvlcwM:KTtJLQb5z8T5abu6CalCORfA1TFpZHla

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ti_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.ti\ = "ti_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ti_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ti_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ti_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.ti	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ti_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ti_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2452 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2452 AcroRd32.exe
2452 AcroRd32.exe

pid	process
2452	AcroRd32.exe

pid	process
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1044 wrote to memory of 2708	1044	cmd.exe	rundll32.exe
PID 1044 wrote to memory of 2708	1044	cmd.exe	rundll32.exe
PID 1044 wrote to memory of 2708	1044	cmd.exe	rundll32.exe
PID 2708 wrote to memory of 2452	2708	rundll32.exe	AcroRd32.exe
PID 2708 wrote to memory of 2452	2708	rundll32.exe	AcroRd32.exe
PID 2708 wrote to memory of 2452	2708	rundll32.exe	AcroRd32.exe
PID 2708 wrote to memory of 2452	2708	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\emteyvnnuao.ti
1⤵
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\emteyvnnuao.ti
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2708

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\emteyvnnuao.ti"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2452

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
be8c28ed4069b2bd3065e767577c4847

SHA1
e2a43a8b1895a6f90b886e55dc92cbea310362b9

SHA256
443e6d7bc204aaebd9b66bac703bb2657d45a6000a989cdcbfa7f9cb90de9e41

SHA512
6bc5261fb79ef893b03865245d2ec99bb1668395f635288cecf784749ff67f552e3db1fa541bf2f6f7822731f73f73c3be76e52d841e39dcf728b250cbe9ecbf

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