06a191350f2df652d86e6f602638635dfdc621b3677419560bcefd980bb288d7

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 20:32

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General

Target

NOTICES.z
Size

1.7MB
MD5

d273d5f1d0ab95296f2da0cd9df732ee
SHA1

2ee71ca1373ef30363941ed5ebda030c4447e752
SHA256

dfc4c289f18db5da60f7db1bb15d2cacbeaf45c0a0d8c7cc8fe2812ee68216d2
SHA512

9f5319ebc3b5025ab1f329861a7ab123dc64f2393cac397f6f2ef7b4dbdcbdfb46b525c8e079160b213d73ca7fc6966456aadaca13f601603e615d7a9cea3740
SSDEEP

12288:km6p4Rwhzo054PRWvJ+ZoCt8mY3sdWXLKaBVBQeyPL/Z+8srLKSTfxkwVnBJ9GPE:S

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\z_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.z	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\z_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\z_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.z\ = "z_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\z_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\z_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

3064 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

3064 AcroRd32.exe
3064 AcroRd32.exe

pid	process
3064	AcroRd32.exe

pid	process
3064	AcroRd32.exe
3064	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2104 wrote to memory of 2572	2104	cmd.exe	rundll32.exe
PID 2104 wrote to memory of 2572	2104	cmd.exe	rundll32.exe
PID 2104 wrote to memory of 2572	2104	cmd.exe	rundll32.exe
PID 2572 wrote to memory of 3064	2572	rundll32.exe	AcroRd32.exe
PID 2572 wrote to memory of 3064	2572	rundll32.exe	AcroRd32.exe
PID 2572 wrote to memory of 3064	2572	rundll32.exe	AcroRd32.exe
PID 2572 wrote to memory of 3064	2572	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\NOTICES.z
1⤵
- Suspicious use of WriteProcessMemory
PID:2104

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\NOTICES.z
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2572

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\NOTICES.z"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3064

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
29be9dfe9e85218e47930ec0fc2130a3

SHA1
59367a32ff4d57052017edfe5bc87fbc2858b4d9

SHA256
db164d45886d537eab1290083f7bf9ad3de32e9414e6717b9d45a7e10b410fbf

SHA512
4eb0ac535264ebaf23ba252cc3ee59a017217089066cb1153dae969008d79e2b395e8dfaf9aed5e31b5cdb1045f8cf0825ce0b0655c12590edfbf75d1b7c8a11

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