c1a17e1f5a6c20878b464db9a0e96a2657615a34fa2b109028fc42af81c27af2

Analysis

max time kernel
169s
max time network
173s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 05:01

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General

Target

c1a17e1f5a6c20878b464db9a0e96a2657615a34fa2b109028fc42af81c27af2.exe
Size

191KB
MD5

22dccf34577d5648d69c6edb583fa0a7
SHA1

2b5abc0f9e5a9a1b9832f9ce1c79919bf92bbca5
SHA256

c1a17e1f5a6c20878b464db9a0e96a2657615a34fa2b109028fc42af81c27af2
SHA512

22e32767a1480a7aa3653de9ad8ee0084e890575f38018ed86204b44b660c9b32aad602d65a972f49841dd6b564f1f26df177c21b886f617134a1858f0aa33cb
SSDEEP

3072:JjmOIpKa1sRJjw4IGpO0ttd78Rhy4Nof3YRln4CW:JJIB1ww4IG53+ovYz4CW

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1240	nyrtuc.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\nyrtuc.exe	c1a17e1f5a6c20878b464db9a0e96a2657615a34fa2b109028fc42af81c27af2.exe
File opened for modification	C:\Windows\SysWOW64\nyrtuc.exe	c1a17e1f5a6c20878b464db9a0e96a2657615a34fa2b109028fc42af81c27af2.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	nyrtuc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	nyrtuc.exe

C:\Users\Admin\AppData\Local\Temp\c1a17e1f5a6c20878b464db9a0e96a2657615a34fa2b109028fc42af81c27af2.exe
"C:\Users\Admin\AppData\Local\Temp\c1a17e1f5a6c20878b464db9a0e96a2657615a34fa2b109028fc42af81c27af2.exe"
1⤵
- Drops file in System32 directory
PID:1948

C:\Windows\SysWOW64\nyrtuc.exe
C:\Windows\SysWOW64\nyrtuc.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1240

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\nyrtuc.exe

Filesize
191KB

MD5
22dccf34577d5648d69c6edb583fa0a7

SHA1
2b5abc0f9e5a9a1b9832f9ce1c79919bf92bbca5

SHA256
c1a17e1f5a6c20878b464db9a0e96a2657615a34fa2b109028fc42af81c27af2

SHA512
22e32767a1480a7aa3653de9ad8ee0084e890575f38018ed86204b44b660c9b32aad602d65a972f49841dd6b564f1f26df177c21b886f617134a1858f0aa33cb

Download Submit
memory/1240-57-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1240-58-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1948-54-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1948-56-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download