61859a2460b667071ecd47bb30206247afc972d6a02f5932d827057734347133

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
25-07-2023 11:01

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General

Target

newhotmail/hotmail/.ds_store
Size

6KB
MD5

fbd2acb83d1032099039575b8c775ed8
SHA1

f3fed36ebe2f4e1b64fcc6b0110ddaac6ed7cf91
SHA256

b95de540b6d8efac07b146159e19a252bd4160d4789585a6941b520afb1de979
SHA512

4b164af69079c37e2bd2ed8a3116f92a0ee754c9263a3f8122e130f1ecac36648a9844faeed7da2ca4db6212b7f111a6df91df24cd5f8c729fd69e0367c4ff8d
SSDEEP

12:QMpaUFFHoYifILM0UVITotFFHoYifIz0UVITOM9EEX/HnXw6X1EK/5Xw6X:0UFVoYF7ytFVoYFg9fnV5V

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-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\ds_store_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.ds_store	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.ds_store\ = "ds_store_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\ds_store_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\ds_store_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\ds_store_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\ds_store_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\ds_store_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2060 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2060 AcroRd32.exe
2060 AcroRd32.exe
2060 AcroRd32.exe

pid	process
2060	AcroRd32.exe

pid	process
2060	AcroRd32.exe
2060	AcroRd32.exe
2060	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1196 wrote to memory of 2856	1196	cmd.exe	rundll32.exe
PID 1196 wrote to memory of 2856	1196	cmd.exe	rundll32.exe
PID 1196 wrote to memory of 2856	1196	cmd.exe	rundll32.exe
PID 2856 wrote to memory of 2060	2856	rundll32.exe	AcroRd32.exe
PID 2856 wrote to memory of 2060	2856	rundll32.exe	AcroRd32.exe
PID 2856 wrote to memory of 2060	2856	rundll32.exe	AcroRd32.exe
PID 2856 wrote to memory of 2060	2856	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\newhotmail\hotmail\.ds_store
1⤵
- Suspicious use of WriteProcessMemory
PID:1196

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\newhotmail\hotmail\.ds_store
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2856

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\newhotmail\hotmail\.ds_store"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2060

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
7e0da010676fa992871ca473ceb372a7

SHA1
573ec2bec8b9ac56492e4d2b423ecfa17b4416f7

SHA256
ec0d55d48925c08351e25650c06447988def1e068a37f7159be4065078b69e24

SHA512
5b7bd0b6dbaef262f9c4d61afd33a9b98d1fc7be1d949eb3da5067894aee72d48bc00cde86ffa0fafe10a0f5bcbb7d71bffc33d137dcd6466e7d7660bfe2ff46

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