41f3f2ddba5d6c64f4052044b5b15126bfdc76a93c69e8fd8c53600231b63422

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 20:12

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General

Target

xoxpvgducyg.a
Size

263KB
MD5

ab80c860ddf234f58f8eae5b05f8753c
SHA1

d6e08550c3339d61dd07e49d4785406124090591
SHA256

81dcba6db6ae4eef2c2f6ba562d4fd3ad4f2b336544e5ca730c3283c79e48ac0
SHA512

62883952905dad7c8cc4fd7145e41fab0f9e1b1baade0b48a03b1370fde670c988360c7582a234709efadd7cd8a19192d09ccb1e4d510d88c92525b31ffd2176
SSDEEP

6144:Cqe2ya9apTnbaFvYWxgV6JFoVAHLWMZQ+Y0OXaaLyOM/VAY:CdaQAKVhWVZ5Y3XaaWOMNb

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\a_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\a_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\a_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\a_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.a	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.a\ = "a_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\a_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\a_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2028 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2028 AcroRd32.exe
2028 AcroRd32.exe

pid	process
2028	AcroRd32.exe

pid	process
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2240 wrote to memory of 2600	2240	cmd.exe	rundll32.exe
PID 2240 wrote to memory of 2600	2240	cmd.exe	rundll32.exe
PID 2240 wrote to memory of 2600	2240	cmd.exe	rundll32.exe
PID 2600 wrote to memory of 2028	2600	rundll32.exe	AcroRd32.exe
PID 2600 wrote to memory of 2028	2600	rundll32.exe	AcroRd32.exe
PID 2600 wrote to memory of 2028	2600	rundll32.exe	AcroRd32.exe
PID 2600 wrote to memory of 2028	2600	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\xoxpvgducyg.a
1⤵
- Suspicious use of WriteProcessMemory
PID:2240

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\xoxpvgducyg.a
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2600

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\xoxpvgducyg.a"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2028

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
74e367150401544f03c9069c22308f1e

SHA1
5532725ddca749febc4233481b2bc9755a0baede

SHA256
17ad424d5a5b3f295a83e35093877aef16ee8d0ca001c9d956375f5b4ac678c2

SHA512
f5d2314999429b2145bd785a6abd690ba7b9033da80e9c083f1a80c55e867eee3cda0157595b97ad194d4820fa8299dc186de6b29c4e1163bd9ed5d8d2e0b58a

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