75a3295f8c688359fcb7555b80e3f71ee42c5ac1d4525a39b2571107acf06a45

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-04-2024 06:33

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General

Target

config.json
Size

3KB
MD5

3bea77ef233e2e32636ba889ceb489e3
SHA1

6a0a6be2e24cd5497fbf0298e244234716f5419a
SHA256

a8732f591cbed2b2ab923236d22948f10cb7c4011d6a1018be2fe3c8e8fbf5f2
SHA512

c924567c6c683b90b6dd31af7e976a8222d164c99137b38149ef79d4a1222b35c8bdfef155ee071e66c38b1601f3868c22c30d477fbc5f2dcd7599cd7f4be707

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
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	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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file\shell\Read\command	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_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\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2644 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2644 AcroRd32.exe
2644 AcroRd32.exe

pid	process
2644	AcroRd32.exe

pid	process
2644	AcroRd32.exe
2644	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2168 wrote to memory of 2540	2168	cmd.exe	rundll32.exe
PID 2168 wrote to memory of 2540	2168	cmd.exe	rundll32.exe
PID 2168 wrote to memory of 2540	2168	cmd.exe	rundll32.exe
PID 2540 wrote to memory of 2644	2540	rundll32.exe	AcroRd32.exe
PID 2540 wrote to memory of 2644	2540	rundll32.exe	AcroRd32.exe
PID 2540 wrote to memory of 2644	2540	rundll32.exe	AcroRd32.exe
PID 2540 wrote to memory of 2644	2540	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2168

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\config.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2540

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\config.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2644

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
52834d8bf79afa9ebaf1186d9c892598

SHA1
e2b9bcc5c08c9b906067bf855c06bec076220b4a

SHA256
7648992e953cd29b5d4a1e8e5c594804e64223ef8c542157c8cb00c143c74890

SHA512
0f8de302258980132b5323c41efc5ded7abe0784cca3ebb579b5c112cdfef04fb15212f89d89565b197eb8ba2a18b02cecfe1bc22797afd74d93e39188a9efa4

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