594fc6920eaa06364ff7ffeb87be15ec81882030749759a872a6b9f17da75670

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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
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 14:43

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General

Target

Some Problems/Copy of TOrapoayvSdKDejPAarBuLrFVKYgOPGCMoeR.c9r
Size

607B
MD5

3b08a6d52a5e0f4c43db8a7eb9163bb9
SHA1

f6b565a063281c11ff049aee1b11e51be7a9c2dd
SHA256

551625a9b243048a6d42ffd213f2577dd4e31a75a0cbbf2322d1123d9087cc9b
SHA512

d78884cb45d507f3bc221ea7f8ba3d6610547221d3dc9562fe06b3362955d2519a5ce14d171be9e2d62ba33a11ad57030521d52eed75e66b31d4ed9b76a56c8e

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.c9r\ = "c9r_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\c9r_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\c9r_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\c9r_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\c9r_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\c9r_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\c9r_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.c9r	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

892 AcroRd32.exe
892 AcroRd32.exe

pid	process
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1028 wrote to memory of 2476	1028	cmd.exe	rundll32.exe
PID 1028 wrote to memory of 2476	1028	cmd.exe	rundll32.exe
PID 1028 wrote to memory of 2476	1028	cmd.exe	rundll32.exe
PID 2476 wrote to memory of 892	2476	rundll32.exe	AcroRd32.exe
PID 2476 wrote to memory of 892	2476	rundll32.exe	AcroRd32.exe
PID 2476 wrote to memory of 892	2476	rundll32.exe	AcroRd32.exe
PID 2476 wrote to memory of 892	2476	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of TOrapoayvSdKDejPAarBuLrFVKYgOPGCMoeR.c9r"
1⤵
- Suspicious use of WriteProcessMemory
PID:1028

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 TOrapoayvSdKDejPAarBuLrFVKYgOPGCMoeR.c9r
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2476

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 TOrapoayvSdKDejPAarBuLrFVKYgOPGCMoeR.c9r"
3⤵
- Suspicious use of SetWindowsHookEx
PID:892

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

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Downloads

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

Filesize
3KB

MD5
f9da08b364702a99ba30fcae0262845f

SHA1
427329d82a4b6a615775aff0e94305d27d4144c1

SHA256
a88efc650fe84a72daf079edccad2e31bfeafee45a75c884319d2e6724bf6e5e

SHA512
1cdca1883ef6f9486264d7ae00bbb6cf2093eae733cb8618e5d0103cfdc6f28cc42b08dd67b8870ccde751ce8428c38220dcba3cfff3eab876da6e3832ae1013

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