4a9d815f284adda187982e2b24da2beaad860739bc4b4cb1cf26408e7c221dd6

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 11:02

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General

Target

lang/ru-RU.json
Size

3KB
MD5

9e652b9ccc1d7af2c91e1951ba72a7f9
SHA1

00d7aa1c552c797e5622af9365db1002f3d95717
SHA256

4dc7240dfaa0ab1124c2643b705bef56e15f40f88f34db1865cdfd6db209d14b
SHA512

0448386e26846e5db502293d59de950937fea4f81763c8588ec088899e554ff4c2830e86a610891e6992cb134b94e497262e1441fe586f56b715167cc9ccc46b

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_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-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2428 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2428 AcroRd32.exe
2428 AcroRd32.exe

pid	process
2428	AcroRd32.exe

pid	process
2428	AcroRd32.exe
2428	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2652 wrote to memory of 2704	2652	cmd.exe	rundll32.exe
PID 2652 wrote to memory of 2704	2652	cmd.exe	rundll32.exe
PID 2652 wrote to memory of 2704	2652	cmd.exe	rundll32.exe
PID 2704 wrote to memory of 2428	2704	rundll32.exe	AcroRd32.exe
PID 2704 wrote to memory of 2428	2704	rundll32.exe	AcroRd32.exe
PID 2704 wrote to memory of 2428	2704	rundll32.exe	AcroRd32.exe
PID 2704 wrote to memory of 2428	2704	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\lang\ru-RU.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2652

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\lang\ru-RU.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2704

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\ru-RU.json"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2428

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
56dc390b0a227a96b604d1d12256f242

SHA1
186814ce63abee9721c3f5219b299a0cfc08e567

SHA256
60b2f81e6016d81e227dfa8949dc11c87e9ac6d5ff3ebef84c8d6f61d79bcba6

SHA512
6e103922babf2123fa940f51ddb40c0456319723a2d5dded78085da481945d4b026d20a68144c816e37ed9fd291c18b8865d0997f85e960648ef13bf83133e88

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