c6bdb19cce73130173c6eff7961f220359c6006dd9936111eeae25975c26773c

Analysis

max time kernel
270s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
10-06-2023 20:45

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General

Target

ICBC.json
Size

116KB
MD5

13283173c971e3cb27a8e719e2954eb4
SHA1

7e70c8c86b16fab7f6e9d57b7235f1cde63c7e27
SHA256

433d09051d06e11a48aaaa9521b806b03fff5b12e5c995885475cdc4bb95a0e2
SHA512

ed634a632fd01172662791f95b8d6e180341d02038fd03e4facf08285bd11948d24fe52f8a7102263175c647a36798018fe2e457cad3590fcaab14f52158001f
SSDEEP

3072:i67kaQlhtLuMGU0J6PKYln+mhJT5xLyDMzPV142T:L7kaQlhtLuMGU0J6PKYln+mhJT5xLyDU

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 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_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-1-5-21-2961826002-3968192592-354541192-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1012 AcroRd32.exe
1012 AcroRd32.exe
1012 AcroRd32.exe

pid	process
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1324 wrote to memory of 1016	1324	cmd.exe	rundll32.exe
PID 1324 wrote to memory of 1016	1324	cmd.exe	rundll32.exe
PID 1324 wrote to memory of 1016	1324	cmd.exe	rundll32.exe
PID 1016 wrote to memory of 1012	1016	rundll32.exe	AcroRd32.exe
PID 1016 wrote to memory of 1012	1016	rundll32.exe	AcroRd32.exe
PID 1016 wrote to memory of 1012	1016	rundll32.exe	AcroRd32.exe
PID 1016 wrote to memory of 1012	1016	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ICBC.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ICBC.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1016

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\ICBC.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1012

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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