8b27833aaab6444ac102da2afe6b2b6ab9a9104263fc4f9e4e0ebaa7af106f0c

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2023 05:56

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General

Target

NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe
Size

110KB
MD5

fdfaab7427b35dc8735d8a4e24189d80
SHA1

67c7e025812315666c5a429aea00460056742ae0
SHA256

8b27833aaab6444ac102da2afe6b2b6ab9a9104263fc4f9e4e0ebaa7af106f0c
SHA512

707d76a4f2b3fbc2e7a9fc332f1526b5b91a01028a5e0d095680fac309a163b35774fa77452eb3480bcd9931c244b023234332fb676c594e93b7607b10d48c7f
SSDEEP

1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18f9:ELlbZTZX3BAtTSVEdUJWTWd18f9

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-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation	NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4984	guifx.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2900-0-0x00000000008A0000-0x00000000008BC000-memory.dmp	upx
behavioral2/files/0x0007000000022d28-3.dat	upx
behavioral2/memory/4984-5-0x0000000000EB0000-0x0000000000ECC000-memory.dmp	upx
behavioral2/files/0x0007000000022d28-4.dat	upx
behavioral2/memory/2900-6-0x00000000008A0000-0x00000000008BC000-memory.dmp	upx
behavioral2/memory/4984-7-0x0000000000EB0000-0x0000000000ECC000-memory.dmp	upx
behavioral2/memory/2900-8-0x00000000008A0000-0x00000000008BC000-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-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	NEAS.fdfaab7427b35dc8735d8a4e24189d80_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 2900 wrote to memory of 4984	2900	NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe	89
PID 2900 wrote to memory of 4984	2900	NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe	89
PID 2900 wrote to memory of 4984	2900	NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe	89
PID 2900 wrote to memory of 888	2900	NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe	100
PID 2900 wrote to memory of 888	2900	NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe	100
PID 2900 wrote to memory of 888	2900	NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe	100

C:\Users\Admin\AppData\Local\Temp\NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2900
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4984
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.fdfaab7427b35dc8735d8a4e24189d80_JC.exe" >> NUL
  2⤵
  PID:888

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

Replay Monitor

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Downloads

C:\ProgramData\Graphics\guifx.exe

Filesize
110KB

MD5
284052744a1b875b9c7bb1a3044f7213

SHA1
652cef117b61a9759734d7fab2ede430ad09bedb

SHA256
26a37810b49ee98f3b123478528e98d66490c0e58f08a9d7ba0fc7fcc33168a6

SHA512
9e81e7885ebfe2f7b0e16ed73277bff9fb1113b0c42c673e1292198f125e3b2c33ff316a0d5abcdb251c627789ef768194c13b9758eada281f96017084096316

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

Filesize
110KB

MD5
284052744a1b875b9c7bb1a3044f7213

SHA1
652cef117b61a9759734d7fab2ede430ad09bedb

SHA256
26a37810b49ee98f3b123478528e98d66490c0e58f08a9d7ba0fc7fcc33168a6

SHA512
9e81e7885ebfe2f7b0e16ed73277bff9fb1113b0c42c673e1292198f125e3b2c33ff316a0d5abcdb251c627789ef768194c13b9758eada281f96017084096316

Download Submit
memory/2900-0-0x00000000008A0000-0x00000000008BC000-memory.dmp

Filesize
112KB

Download
memory/2900-6-0x00000000008A0000-0x00000000008BC000-memory.dmp

Filesize
112KB

Download
memory/2900-8-0x00000000008A0000-0x00000000008BC000-memory.dmp

Filesize
112KB

Download
memory/4984-5-0x0000000000EB0000-0x0000000000ECC000-memory.dmp

Filesize
112KB

Download
memory/4984-7-0x0000000000EB0000-0x0000000000ECC000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads