c6bdb19cce73130173c6eff7961f220359c6006dd9936111eeae25975c26773c

Analysis

max time kernel
209s
max time network
33s
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_portrait.json
Size

116KB
MD5

404ca63d84a8b76da82c8397fd076bae
SHA1

3c2e4b36ef7f63847a52334a3f2669e5d57e18f3
SHA256

df1ee8d9dc51a20bff0e9f231d95dab0ca7f8cc5c42f40cbc280bc8a6d7f056d
SHA512

20a0087fb3ad55553cb4cae9a520c1ca02bb289a1a350b2dd5bd7225897599250b5f36fa8e5977e4f4eab0b88aa61a86c5be57d6736479be7a0bdcf448fae906
SSDEEP

3072:N64pa9ljCiuNGvbQ6iKeow+vh3uuxUypFePQ1bRi:o4pa9ljCiuNGvbQ6iKeow+vh3uuxUypM

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-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1756 AcroRd32.exe
1756 AcroRd32.exe
1756 AcroRd32.exe

pid	process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1740 wrote to memory of 1632	1740	cmd.exe	rundll32.exe
PID 1740 wrote to memory of 1632	1740	cmd.exe	rundll32.exe
PID 1740 wrote to memory of 1632	1740	cmd.exe	rundll32.exe
PID 1632 wrote to memory of 1756	1632	rundll32.exe	AcroRd32.exe
PID 1632 wrote to memory of 1756	1632	rundll32.exe	AcroRd32.exe
PID 1632 wrote to memory of 1756	1632	rundll32.exe	AcroRd32.exe
PID 1632 wrote to memory of 1756	1632	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ICBC_portrait.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ICBC_portrait.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1632

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_portrait.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1756

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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