8f27eef6b1b84341e2ea7de1ceec9ecaf0bc9ed23a7f5c3693a9e13463d5b3a4

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 20:26

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General

Target

c18607dc21a505b30c3a757d73d5096d.exe
Size

1.8MB
MD5

c18607dc21a505b30c3a757d73d5096d
SHA1

02317edd2b207f641395394122934f4024f6b62a
SHA256

8f27eef6b1b84341e2ea7de1ceec9ecaf0bc9ed23a7f5c3693a9e13463d5b3a4
SHA512

951cacd2b7bce230d9e0d09d3536c0722b5dd9f4503b4ffce3c6fca1dea8f77cffcac33212e16a8b08b175abfcdf5ff1d7cd9b4d27ca049c8ccae0bfb22ff583
SSDEEP

24576:i/WbLB+qI+GneaXbFdMxQ1ZRFi4xUkkqbq9Ho0Y45czDJnAo5B9gU:Y1T7Reepd2I0V5czDf9gU

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c18607dc21a505b30c3a757d73d5096d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	c18607dc21a505b30c3a757d73d5096d.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CECF868-C831-E4EC-DAC4-BF96CD29AF52}	c18607dc21a505b30c3a757d73d5096d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CECF868-C831-E4EC-DAC4-BF96CD29AF52}\ = "PSFactoryBuffer"	c18607dc21a505b30c3a757d73d5096d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CECF868-C831-E4EC-DAC4-BF96CD29AF52}\InProcServer32	c18607dc21a505b30c3a757d73d5096d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CECF868-C831-E4EC-DAC4-BF96CD29AF52}\InProcServer32\ = "%SystemRoot%\\SysWow64\\windowscodecs.dll"	c18607dc21a505b30c3a757d73d5096d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CECF868-C831-E4EC-DAC4-BF96CD29AF52}\InProcServer32\ThreadingModel = "Both"	c18607dc21a505b30c3a757d73d5096d.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\ProgramData\TEMP:79121CB4	c18607dc21a505b30c3a757d73d5096d.exe
File opened for modification	C:\ProgramData\TEMP:79121CB4	c18607dc21a505b30c3a757d73d5096d.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	3828	c18607dc21a505b30c3a757d73d5096d.exe
Token: SeIncBasePriorityPrivilege	3828	c18607dc21a505b30c3a757d73d5096d.exe
Token: 33	3828	c18607dc21a505b30c3a757d73d5096d.exe
Token: SeIncBasePriorityPrivilege	3828	c18607dc21a505b30c3a757d73d5096d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 3828	4248	c18607dc21a505b30c3a757d73d5096d.exe	90
PID 4248 wrote to memory of 3828	4248	c18607dc21a505b30c3a757d73d5096d.exe	90
PID 4248 wrote to memory of 3828	4248	c18607dc21a505b30c3a757d73d5096d.exe	90
PID 4248 wrote to memory of 3828	4248	c18607dc21a505b30c3a757d73d5096d.exe	90
PID 4248 wrote to memory of 3828	4248	c18607dc21a505b30c3a757d73d5096d.exe	90
PID 4248 wrote to memory of 3828	4248	c18607dc21a505b30c3a757d73d5096d.exe	90
PID 4248 wrote to memory of 3828	4248	c18607dc21a505b30c3a757d73d5096d.exe	90
PID 4248 wrote to memory of 3828	4248	c18607dc21a505b30c3a757d73d5096d.exe	90

C:\Users\Admin\AppData\Local\Temp\c18607dc21a505b30c3a757d73d5096d.exe
"C:\Users\Admin\AppData\Local\Temp\c18607dc21a505b30c3a757d73d5096d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Users\Admin\AppData\Local\Temp\c18607dc21a505b30c3a757d73d5096d.exe
  "C:\Users\Admin\AppData\Local\Temp\c18607dc21a505b30c3a757d73d5096d.exe"
  2⤵
  - Checks BIOS information in registry
  - Modifies registry class
  - NTFS ADS
  - Suspicious use of AdjustPrivilegeToken
  PID:3828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

memory/3828-3-0x0000000000400000-0x00000000005FD000-memory.dmp

Filesize
2.0MB

Download
memory/3828-4-0x0000000000A20000-0x0000000000AB4000-memory.dmp

Filesize
592KB

Download
memory/3828-9-0x0000000000A20000-0x0000000000AB4000-memory.dmp

Filesize
592KB

Download
memory/3828-12-0x0000000000400000-0x00000000005FD000-memory.dmp

Filesize
2.0MB

Download
memory/3828-13-0x0000000000400000-0x00000000005FD000-memory.dmp

Filesize
2.0MB

Download
memory/3828-14-0x0000000000A20000-0x0000000000AB4000-memory.dmp

Filesize
592KB

Download
memory/3828-15-0x0000000000A20000-0x0000000000AB4000-memory.dmp

Filesize
592KB

Download
memory/3828-16-0x0000000000400000-0x00000000005FD000-memory.dmp

Filesize
2.0MB

Download
memory/4248-0-0x0000000000400000-0x00000000005FD000-memory.dmp

Filesize
2.0MB

Download