c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f

Analysis

max time kernel
182s
max time network
227s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 08:28

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General

Target

c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
Size

935KB
MD5

e1f5b1b8d19685d842f1fd89212132c7
SHA1

7aa1d656bed9a29d7fdcbb47d0c071758d951bde
SHA256

c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f
SHA512

386938491c58da77b15b471ebdb730eccb4fd3b695224f6f5e13220bb74748a1438067dadd5965e881dc175e901390f96da33d81254b1a8037d3e377d41298ed
SSDEEP

12288:45Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4E:4yHv5Z+Wzv7AiBll0OBWi6si9G9

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4484-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4484-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4484-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4484-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4484-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4484-139-0x0000000000400000-0x00000000004F2000-memory.dmp	upx

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	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5080 set thread context of 4484	5080	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe	83

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4484	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
4484	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
4484	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
4484	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
4484	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
4484	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 4484	5080	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe	83
PID 5080 wrote to memory of 4484	5080	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe	83
PID 5080 wrote to memory of 4484	5080	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe	83
PID 5080 wrote to memory of 4484	5080	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe	83
PID 5080 wrote to memory of 4484	5080	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe	83
PID 5080 wrote to memory of 4484	5080	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe	83
PID 5080 wrote to memory of 4484	5080	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe	83
PID 5080 wrote to memory of 4484	5080	c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe	83

C:\Users\Admin\AppData\Local\Temp\c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
"C:\Users\Admin\AppData\Local\Temp\c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Users\Admin\AppData\Local\Temp\c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe
  "C:\Users\Admin\AppData\Local\Temp\c21c48392244d64521911aebc9a57fda33dfb9dd26e9f8ecda8306c6e65d980f.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4484-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4484-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4484-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4484-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4484-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4484-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads