02bed981dce70b947d72c304a3f2e1cbdee963c315779d5717769f88c8166447

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
07-08-2023 11:53

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General

Target

data.bin
Size

19.0MB
MD5

ef0dda43daf11d6118a5310bee73f1cd
SHA1

f5455766f0b643a65e89cbd54ea8c090b9abe523
SHA256

d59cdc52efc57fcc6e0008290de2fc2b7ddb1c5c624ed747c87944723803df15
SHA512

b41f6354ca4998f801ddb9d9c46aad31ab18997d3c2271371bd7e5297be3490dfd1643dbacfea7ace523bbd60da296f30fea3a7dc629c7a0799353cca8a83fc8
SSDEEP

393216:sHqOpYyDx04MQFKWI3eeo0T2WedOOJUiZLJh+SuTnZv35Tv:sHqKDNJi3eWadjUiZLJASuTrv

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-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.bin	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid	Process
2336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid	Process
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 1712 wrote to memory of 524	1712	cmd.exe	1
PID 1712 wrote to memory of 524	1712	cmd.exe	1
PID 1712 wrote to memory of 524	1712	cmd.exe	1
PID 524 wrote to memory of 2336	524	rundll32.exe	32
PID 524 wrote to memory of 2336	524	rundll32.exe	32
PID 524 wrote to memory of 2336	524	rundll32.exe	32
PID 524 wrote to memory of 2336	524	rundll32.exe	32

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\data.bin
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:524
- 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\data.bin"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2336

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
ea3426c85d6b8f4a9546b5d0e0f8da05

SHA1
2b87e9a897044a280b2c5931c099aae93cd7eff2

SHA256
d8ec5ab6cb1d6cc09e8d780ef78f2bae7068747dc346f06cfe0f951dafcc765e

SHA512
0d42aa0f7fcd0fd9ed7ae923d8a91ceb8aa0fcf538d1f5a5e98ab85e3228d0455cb36cbf603d10126133c61fa08d3c92bfca546feda5d473f0ac743e9d3efbda

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