0f931ef68b73d54c7badb15ce19ffe79a9ebb6489ecf86a808cd57b3874404d2

Analysis

max time kernel
117s
max time network
119s
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/es/messages.json
Size

23KB
MD5

cc7cb694f47eea69bd5894de3869875e
SHA1

0081516d6af125aa46e41f549c02370757676ba6
SHA256

bbf4ce53ca3ba599f277f38485e96dd88d57bcc9c93156e274e2d24f5db91249
SHA512

1de4bd1ac3e1294eee68e9eeff53a30b16dc5c413fc81d03bc0696b6022afb7c6071f5990c066a76bc6d788507ea4ee6759a25ce2bc4d8ed721c9452e5075fd4
SSDEEP

384:OReeJtngRSem+t/4UEpZkS04BTZdoHOud4O80g5Y0W9wEu:O1RmAUS1dbUC

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-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2640 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2640 AcroRd32.exe
2640 AcroRd32.exe

pid	process
2640	AcroRd32.exe

pid	process
2640	AcroRd32.exe
2640	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1984 wrote to memory of 2168	1984	cmd.exe	rundll32.exe
PID 1984 wrote to memory of 2168	1984	cmd.exe	rundll32.exe
PID 1984 wrote to memory of 2168	1984	cmd.exe	rundll32.exe
PID 2168 wrote to memory of 2640	2168	rundll32.exe	AcroRd32.exe
PID 2168 wrote to memory of 2640	2168	rundll32.exe	AcroRd32.exe
PID 2168 wrote to memory of 2640	2168	rundll32.exe	AcroRd32.exe
PID 2168 wrote to memory of 2640	2168	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\_locales\es\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\_locales\es\messages.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2168

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\es\messages.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2640

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
dfc6a400b914385f04c9e85e6b761a14

SHA1
712262dd278d3e4d9459862556b5960e1bb9c508

SHA256
cd0a68e0d83f32356537579f0900ae685ef996831f1bef128124f8d37027bcb3

SHA512
8ba64818e6e2e5d6e94d5fabfaac5430ffcbf50a4a68b1b83acd25393bdb52816006792af6f31aaf847982099407728cfaefc472cedc8d8196cf541ce9707cc3

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