594fc6920eaa06364ff7ffeb87be15ec81882030749759a872a6b9f17da75670

Resubmissions

21-05-2024 14:43

240521-r3mvhshd83 3

21-05-2024 14:40

21-05-2024 14:37

21-05-2024 14:34

21-05-2024 14:31

Analysis

max time kernel
18s
max time network
16s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 14:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Some Problems/Copy of cqmOWAT7eBvoDJCy8wZHs0V8Ib0V3a8k4_PFoEq5b3hYpFeAISk-UHHW9V9h5CR6TA==.c9r
Size

1.7MB
MD5

8a32154f39da84142332817cc6344424
SHA1

ff8d3348c908cb6f0c7868cdf6f683495316be0b
SHA256

cfe25bc6a97eae8b49b3f95a1457fb9311b4839bd21db498852d4cc7f6a2da1a
SHA512

be2b2bf38ba2c24394721025c9ad3319cb1aa32de9ca182bd43072da9e9fcc5fef1fed52fdee4c547b9d3c56e5e0648cf3dd75f0564308e4e1e114127e9360f6
SSDEEP

49152:f5YfBFu436alRjbuK0LudkDUL1kzM/YDQIMn/X7rpS2Skn:f5YfBFurchbD0Ludk4uIVFSkn

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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\c9r_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.c9r\ = "c9r_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\c9r_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\c9r_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\c9r_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.c9r	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\c9r_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\c9r_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2772 AcroRd32.exe
2772 AcroRd32.exe

pid	process
2772	AcroRd32.exe
2772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2360 wrote to memory of 2780	2360	cmd.exe	rundll32.exe
PID 2360 wrote to memory of 2780	2360	cmd.exe	rundll32.exe
PID 2360 wrote to memory of 2780	2360	cmd.exe	rundll32.exe
PID 2780 wrote to memory of 2772	2780	rundll32.exe	AcroRd32.exe
PID 2780 wrote to memory of 2772	2780	rundll32.exe	AcroRd32.exe
PID 2780 wrote to memory of 2772	2780	rundll32.exe	AcroRd32.exe
PID 2780 wrote to memory of 2772	2780	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of cqmOWAT7eBvoDJCy8wZHs0V8Ib0V3a8k4_PFoEq5b3hYpFeAISk-UHHW9V9h5CR6TA==.c9r"
1⤵
- Suspicious use of WriteProcessMemory
PID:2360

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of cqmOWAT7eBvoDJCy8wZHs0V8Ib0V3a8k4_PFoEq5b3hYpFeAISk-UHHW9V9h5CR6TA==.c9r
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2780

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\Some Problems\Copy of cqmOWAT7eBvoDJCy8wZHs0V8Ib0V3a8k4_PFoEq5b3hYpFeAISk-UHHW9V9h5CR6TA==.c9r"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2772

Network

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
e25c9ad82e73e5fc5f3f3b5a1150f517

SHA1
661be09ead3ba93bafa3b960494d032fa525eb27

SHA256
d048df25644c70aaba3059a9b7b827c3ef43cee0d4e24a6ab9be6fddf5bedced

SHA512
6846f689dccd3efa844ee7156620f3e4495ce8fd02f7eeafc244df93e944ac7edee0e88374305d76e2e1d2a74731aa4e3546d3fe97c73087233fd7de49aa6178

Download Submit