d3c2e966c035f41a5174f20c1f0a19f9a9aafd71981aac134cdfc9a040218a54

Analysis

max time kernel
121s
max time network
155s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-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

Deletes itself 1 IoCs

pid	Process
2576	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2652	guifx.exe

Loads dropped DLL 1 IoCs

pid	Process
2632	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2632-1-0x0000000001370000-0x000000000138C000-memory.dmp	upx
behavioral1/files/0x00330000000162f2-2.dat	upx
behavioral1/files/0x00330000000162f2-5.dat	upx
behavioral1/memory/2652-6-0x0000000000D80000-0x0000000000D9C000-memory.dmp	upx
behavioral1/memory/2632-8-0x0000000001370000-0x000000000138C000-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-1-5-21-3425689832-2386927309-2650718742-1000\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 8 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2652	2632	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	29
PID 2632 wrote to memory of 2652	2632	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	29
PID 2632 wrote to memory of 2652	2632	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	29
PID 2632 wrote to memory of 2652	2632	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	29
PID 2632 wrote to memory of 2576	2632	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	30
PID 2632 wrote to memory of 2576	2632	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	30
PID 2632 wrote to memory of 2576	2632	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	30
PID 2632 wrote to memory of 2576	2632	NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe	30

C:\Users\Admin\AppData\Local\Temp\NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.fcb63bb6f8b1864df551b8827c753ae0_JC.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2632
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2652
- 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⤵
  - Deletes itself
  PID:2576

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Graphics\guifx.exe

Filesize
110KB

MD5
a203d86b576694bf5c13d364a1eac5e2

SHA1
e475ea620310af287280f1435af0b1ec63bd7967

SHA256
76615c3b76b218cf060daeb7a2b6718231ce69aa332666897cc34d6ad79d846d

SHA512
091757f90a1e75791c6a69c2915c61f2041af106f75a4f51b564dfc6dab7588acff2e4540644ca35c9d220b6db32cf739bbd65c7a3751cad3846892122b7951c

Download Submit
\ProgramData\Graphics\guifx.exe

Filesize
110KB

MD5
a203d86b576694bf5c13d364a1eac5e2

SHA1
e475ea620310af287280f1435af0b1ec63bd7967

SHA256
76615c3b76b218cf060daeb7a2b6718231ce69aa332666897cc34d6ad79d846d

SHA512
091757f90a1e75791c6a69c2915c61f2041af106f75a4f51b564dfc6dab7588acff2e4540644ca35c9d220b6db32cf739bbd65c7a3751cad3846892122b7951c

Download Submit
memory/2632-1-0x0000000001370000-0x000000000138C000-memory.dmp

Filesize
112KB

Download
memory/2632-7-0x0000000000D80000-0x0000000000D9C000-memory.dmp

Filesize
112KB

Download
memory/2632-8-0x0000000001370000-0x000000000138C000-memory.dmp

Filesize
112KB

Download
memory/2632-9-0x0000000000D80000-0x0000000000D9C000-memory.dmp

Filesize
112KB

Download
memory/2652-6-0x0000000000D80000-0x0000000000D9C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads