d3c2e966c035f41a5174f20c1f0a19f9a9aafd71981aac134cdfc9a040218a54

Analysis

max time kernel
160s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2023, 13:02

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General

Target

NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe
Size

110KB
MD5

fcb63bb6f8b1864df551b8827c753ae0
SHA1

cf4a3a603ec1924eddc7f9d9ffd1e7d30e3ef15b
SHA256

d3c2e966c035f41a5174f20c1f0a19f9a9aafd71981aac134cdfc9a040218a54
SHA512

7b515b49a4fd1edbdc0ee9dbb7cb5a2b22b4d83a6412fd670749b0cc5908beed0269c9110874e9b7045dfa72a8c07d830968e6b8701e6bff9c520518b0f9f001
SSDEEP

1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18fH:ELlbZTZX3BAtTSVEdUJWTWd18fH

Score

7^/10

persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Control Panel\International\Geo\Nation	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
3532	guifx.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2236-0-0x00000000003B0000-0x00000000003CC000-memory.dmp	upx
behavioral2/files/0x0006000000022e69-4.dat	upx
behavioral2/files/0x0006000000022e69-3.dat	upx
behavioral2/memory/3532-5-0x0000000000AF0000-0x0000000000B0C000-memory.dmp	upx
behavioral2/memory/2236-6-0x00000000003B0000-0x00000000003CC000-memory.dmp	upx
behavioral2/memory/3532-7-0x0000000000AF0000-0x0000000000B0C000-memory.dmp	upx
behavioral2/memory/2236-8-0x00000000003B0000-0x00000000003CC000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 3532	2236	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	86
PID 2236 wrote to memory of 3532	2236	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	86
PID 2236 wrote to memory of 3532	2236	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	86
PID 2236 wrote to memory of 4908	2236	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	100
PID 2236 wrote to memory of 4908	2236	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	100
PID 2236 wrote to memory of 4908	2236	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	100

C:\Users\Admin\AppData\Local\Temp\NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2236
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3532
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe" >> NUL
  2⤵
  PID:4908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Graphics\guifx.exe

Filesize
110KB

MD5
cc69f044573b84abad4466e5769130aa

SHA1
20c480f091db9227006ded8cff876f9c18c4d5d6

SHA256
444e3dab90ab5da9e3f28304ffb54b0db8a52414ec16cd899533119c9d9bef61

SHA512
5eab819b872776727a8ade254e47c7af554e62e398eaf0db74b367841f354a34514df1df969edd4fb8067b3fdcc335c65954a2d73ba9061631442dd7db4c91a5

Download Submit
C:\ProgramData\Graphics\guifx.exe

Filesize
110KB

MD5
cc69f044573b84abad4466e5769130aa

SHA1
20c480f091db9227006ded8cff876f9c18c4d5d6

SHA256
444e3dab90ab5da9e3f28304ffb54b0db8a52414ec16cd899533119c9d9bef61

SHA512
5eab819b872776727a8ade254e47c7af554e62e398eaf0db74b367841f354a34514df1df969edd4fb8067b3fdcc335c65954a2d73ba9061631442dd7db4c91a5

Download Submit
memory/2236-0-0x00000000003B0000-0x00000000003CC000-memory.dmp

Filesize
112KB

Download
memory/2236-6-0x00000000003B0000-0x00000000003CC000-memory.dmp

Filesize
112KB

Download
memory/2236-8-0x00000000003B0000-0x00000000003CC000-memory.dmp

Filesize
112KB

Download
memory/3532-5-0x0000000000AF0000-0x0000000000B0C000-memory.dmp

Filesize
112KB

Download
memory/3532-7-0x0000000000AF0000-0x0000000000B0C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads