13098be65821d757b194a060b7b8b0402d39653afa9c174d99228487dbe726ae

Analysis

max time kernel
195s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 19:38

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General

Target

NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe
Size

110KB
MD5

13c1bc976ea06517dd06cc39b8457140
SHA1

6887d665a78ebf83d8e479b4369aa2f2e6cdd016
SHA256

13098be65821d757b194a060b7b8b0402d39653afa9c174d99228487dbe726ae
SHA512

3fd6555ac78e12ed7397ef14916c70ca237f746533fb09fee7391a0e541142dc64b3066e8dae0bc9b3416016295eb4dacca6821117a8552b94b216069f2dad85
SSDEEP

1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18fZ:ELlbZTZX3BAtTSVEdUJWTWd18fZ

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-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
764	guifx.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3740-0-0x0000000000C80000-0x0000000000C9C000-memory.dmp	upx
behavioral2/files/0x00080000000231bd-3.dat	upx
behavioral2/files/0x00080000000231bd-5.dat	upx
behavioral2/memory/764-4-0x0000000000450000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/3740-6-0x0000000000C80000-0x0000000000C9C000-memory.dmp	upx
behavioral2/memory/764-7-0x0000000000450000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/3740-8-0x0000000000C80000-0x0000000000C9C000-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-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	NEAS.13c1bc976ea06517dd06cc39b8457140_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 3740 wrote to memory of 764	3740	NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe	86
PID 3740 wrote to memory of 764	3740	NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe	86
PID 3740 wrote to memory of 764	3740	NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe	86
PID 3740 wrote to memory of 2944	3740	NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe	88
PID 3740 wrote to memory of 2944	3740	NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe	88
PID 3740 wrote to memory of 2944	3740	NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe	88

C:\Users\Admin\AppData\Local\Temp\NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3740
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  PID:764
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe" >> NUL
  2⤵
  PID:2944

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
db3bb7ae0357b96985ff405795d692d4

SHA1
2789ff23d5a45256828e0dc33bec6dc6d6ff040c

SHA256
e5821263c7d825798f79209c41b9f0b7c850f47332fa8227496de4cceb82c475

SHA512
ef5f77fd43dd331e1b30effb3d568d22d81af8165519af3e6b07ea989b62e3f5908ebb595a9a41971ec35e870054e14edf2e0356df4e79ca8dc2389d88096f87

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

Filesize
110KB

MD5
db3bb7ae0357b96985ff405795d692d4

SHA1
2789ff23d5a45256828e0dc33bec6dc6d6ff040c

SHA256
e5821263c7d825798f79209c41b9f0b7c850f47332fa8227496de4cceb82c475

SHA512
ef5f77fd43dd331e1b30effb3d568d22d81af8165519af3e6b07ea989b62e3f5908ebb595a9a41971ec35e870054e14edf2e0356df4e79ca8dc2389d88096f87

Download Submit
memory/764-4-0x0000000000450000-0x000000000046C000-memory.dmp

Filesize
112KB

Download
memory/764-7-0x0000000000450000-0x000000000046C000-memory.dmp

Filesize
112KB

Download
memory/3740-0-0x0000000000C80000-0x0000000000C9C000-memory.dmp

Filesize
112KB

Download
memory/3740-6-0x0000000000C80000-0x0000000000C9C000-memory.dmp

Filesize
112KB

Download
memory/3740-8-0x0000000000C80000-0x0000000000C9C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads