44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
22-10-2023 21:17

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General

Target

response_1697949825996.json
Size

2B
MD5

99914b932bd37a50b983c5e7c90ae93b
SHA1

bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f
SHA256

44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
SHA512

27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

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-1-5-21-1154728922-3261336865-3456416385-1000_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-1-5-21-1154728922-3261336865-3456416385-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2800 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2800 AcroRd32.exe
2800 AcroRd32.exe
2800 AcroRd32.exe

pid	process
2800	AcroRd32.exe

pid	process
2800	AcroRd32.exe
2800	AcroRd32.exe
2800	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1916 wrote to memory of 2096	1916	cmd.exe	rundll32.exe
PID 1916 wrote to memory of 2096	1916	cmd.exe	rundll32.exe
PID 1916 wrote to memory of 2096	1916	cmd.exe	rundll32.exe
PID 2096 wrote to memory of 2800	2096	rundll32.exe	AcroRd32.exe
PID 2096 wrote to memory of 2800	2096	rundll32.exe	AcroRd32.exe
PID 2096 wrote to memory of 2800	2096	rundll32.exe	AcroRd32.exe
PID 2096 wrote to memory of 2800	2096	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\response_1697949825996.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\response_1697949825996.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2096

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\response_1697949825996.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2800

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
5c769db5818b9b80b3595f480e2e8df9

SHA1
df3f504dc43da0edefcbec8d7062ccd6264e6684

SHA256
dc6497afdd31625d053dbdf77cc7f0f73aad45b7528418b833bfb2b8751baf03

SHA512
b056695286593f7275d7da909d629003a3f81b609a15e78176a3bd8e4943eed0151beec3df38edc63e25db861f435a019c1e239ffe2ce799810b7fb3a7d09014

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