4a9d815f284adda187982e2b24da2beaad860739bc4b4cb1cf26408e7c221dd6

Analysis

max time kernel
1558s
max time network
1560s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11-04-2024 02:52

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General

Target

lang/vi-VN.json
Size

2KB
MD5

7d86e54c2dc8ebbf913d905d70965dd8
SHA1

99e52ff355a8e01517bf28e22725e09b48792925
SHA256

e2cf22dcb09ec4b58eecdaf35f260ccae3d2a924ee0d8b06a5c1631f79a174a5
SHA512

1446e58ae26a84800d19791254aa1cfab9cb82a7830826c6f596002e7129a35e943b793a3b692f51cb3b78237bce47664c59577e3c9676c61e78159f633536f2

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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2596 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2596 AcroRd32.exe
2596 AcroRd32.exe

pid	process
2596	AcroRd32.exe

pid	process
2596	AcroRd32.exe
2596	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2248 wrote to memory of 1804	2248	cmd.exe	rundll32.exe
PID 2248 wrote to memory of 1804	2248	cmd.exe	rundll32.exe
PID 2248 wrote to memory of 1804	2248	cmd.exe	rundll32.exe
PID 1804 wrote to memory of 2596	1804	rundll32.exe	AcroRd32.exe
PID 1804 wrote to memory of 2596	1804	rundll32.exe	AcroRd32.exe
PID 1804 wrote to memory of 2596	1804	rundll32.exe	AcroRd32.exe
PID 1804 wrote to memory of 2596	1804	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\lang\vi-VN.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\lang\vi-VN.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1804

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\lang\vi-VN.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2596

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
61b071b6a30525091c32ee8b94ef7bae

SHA1
4cf0337bf1b118aaef47705a4cda09b939b5e86f

SHA256
b3de66c232e3f984d29768d5e4631bbddebe956597e0ccd900e0ae51b89ccbac

SHA512
d491d479408fb57f80766bba52a9f9c252aca4234e5c76ec66a9e23095cd69c3b401b8990bfdf6936340df11a086dd9f093a7806888ab699af02f82531655348

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