0f931ef68b73d54c7badb15ce19ffe79a9ebb6489ecf86a808cd57b3874404d2

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-06-2024 18:31

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General

Target

_locales/it/messages.json
Size

47KB
MD5

301b452a24e2c1c038d920b00548ee4a
SHA1

e4c86dd65171d83e7f5400b0e0187417e1129444
SHA256

03866f9632af0df0ac3373a1c44b1535b60219f0bf91bb733a0919751379bffd
SHA512

56d2eed87b7b540d40369546cde02a675adfadd9dfc4f3b6ff3e7a9daad693e1901987bdd3e6b18a437cfe16a1eec4276ec15b322f9e640a3b8bf0799543e867
SSDEEP

768:U5yUE9W+OMkxY8ya54X0zFZcXj4uWv3YdBEFogan5N8T+Bj:U5yUE9W+OMCYda5suIj4uWv3YdBEFozz

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file\shell	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\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

1328 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

1328 AcroRd32.exe
1328 AcroRd32.exe

pid	process
1328	AcroRd32.exe

pid	process
1328	AcroRd32.exe
1328	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1128 wrote to memory of 2648	1128	cmd.exe	rundll32.exe
PID 1128 wrote to memory of 2648	1128	cmd.exe	rundll32.exe
PID 1128 wrote to memory of 2648	1128	cmd.exe	rundll32.exe
PID 2648 wrote to memory of 1328	2648	rundll32.exe	AcroRd32.exe
PID 2648 wrote to memory of 1328	2648	rundll32.exe	AcroRd32.exe
PID 2648 wrote to memory of 1328	2648	rundll32.exe	AcroRd32.exe
PID 2648 wrote to memory of 1328	2648	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\_locales\it\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1128

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\_locales\it\messages.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2648

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\_locales\it\messages.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1328

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
31206546212a6c1e2602cb8821a708ba

SHA1
c0943438b87129ed7b01fad661f7a4518b264d39

SHA256
233f791f5c0819521f37a006f16b5cd887ade6ca08d68d112186829c4d826d38

SHA512
31908cd6a67b162b1c732525a9f524914c1d5874e9d8ce766a6ee9e41b80194594805060abb02f0bf94ca09cd613230f517473ea7087ec03edbc4e93cf9ac54f

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