258875f6ca53a44ea85aaebb96f556d40ac479b15148fabcbbbff080f2f7af58

Analysis

max time kernel
138s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
15/11/2023, 06:03

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General

Target

NEAS.449f0a7d32d9a7dab74959910107e6d0.exe
Size

110KB
MD5

449f0a7d32d9a7dab74959910107e6d0
SHA1

ff4b11a16b4fe924f71035ee5e9bd511ff7bc2c0
SHA256

258875f6ca53a44ea85aaebb96f556d40ac479b15148fabcbbbff080f2f7af58
SHA512

adaafd2a5eec9a347063c46def488f0faad0f963a32d149bf7174fe0b0a5551b646120f47ad22faadf5d2333c26b74a721f17bfb70f44864b0367d21abbdb072
SSDEEP

1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18f0:ELlbZTZX3BAtTSVEdUJWTWd18f0

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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	NEAS.449f0a7d32d9a7dab74959910107e6d0.exe

Executes dropped EXE 1 IoCs

pid	Process
4084	guifx.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1400-0-0x0000000000020000-0x000000000003C000-memory.dmp	upx
behavioral2/files/0x0006000000022cdd-3.dat	upx
behavioral2/memory/4084-4-0x0000000000550000-0x000000000056C000-memory.dmp	upx
behavioral2/files/0x0006000000022cdd-5.dat	upx
behavioral2/memory/1400-6-0x0000000000020000-0x000000000003C000-memory.dmp	upx
behavioral2/memory/4084-7-0x0000000000550000-0x000000000056C000-memory.dmp	upx
behavioral2/memory/1400-8-0x0000000000020000-0x000000000003C000-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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	NEAS.449f0a7d32d9a7dab74959910107e6d0.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 1400 wrote to memory of 4084	1400	NEAS.449f0a7d32d9a7dab74959910107e6d0.exe	90
PID 1400 wrote to memory of 4084	1400	NEAS.449f0a7d32d9a7dab74959910107e6d0.exe	90
PID 1400 wrote to memory of 4084	1400	NEAS.449f0a7d32d9a7dab74959910107e6d0.exe	90
PID 1400 wrote to memory of 3484	1400	NEAS.449f0a7d32d9a7dab74959910107e6d0.exe	103
PID 1400 wrote to memory of 3484	1400	NEAS.449f0a7d32d9a7dab74959910107e6d0.exe	103
PID 1400 wrote to memory of 3484	1400	NEAS.449f0a7d32d9a7dab74959910107e6d0.exe	103

C:\Users\Admin\AppData\Local\Temp\NEAS.449f0a7d32d9a7dab74959910107e6d0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.449f0a7d32d9a7dab74959910107e6d0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1400
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4084
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.449f0a7d32d9a7dab74959910107e6d0.exe" >> NUL
  2⤵
  PID:3484

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
c54bf860bef9b10ad4033f7101214a87

SHA1
24be1cada2af06d114c8be9d88121d4e0a6e301c

SHA256
ad8f47dc04d901bb323ff36c04221ef2381706262e389cc8dc73f9adec2cb1d7

SHA512
14d124d3f5c8760b46062a7f4129a78e5a91c311ad02607ab6fd8ef8622c8ceb69d700b1fd24b85e02a1a4aa66c24c805f2d56ac033e2ece6ee13669a1dc49b1

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

Filesize
110KB

MD5
c54bf860bef9b10ad4033f7101214a87

SHA1
24be1cada2af06d114c8be9d88121d4e0a6e301c

SHA256
ad8f47dc04d901bb323ff36c04221ef2381706262e389cc8dc73f9adec2cb1d7

SHA512
14d124d3f5c8760b46062a7f4129a78e5a91c311ad02607ab6fd8ef8622c8ceb69d700b1fd24b85e02a1a4aa66c24c805f2d56ac033e2ece6ee13669a1dc49b1

Download Submit
memory/1400-0-0x0000000000020000-0x000000000003C000-memory.dmp

Filesize
112KB

Download
memory/1400-6-0x0000000000020000-0x000000000003C000-memory.dmp

Filesize
112KB

Download
memory/1400-8-0x0000000000020000-0x000000000003C000-memory.dmp

Filesize
112KB

Download
memory/4084-4-0x0000000000550000-0x000000000056C000-memory.dmp

Filesize
112KB

Download
memory/4084-7-0x0000000000550000-0x000000000056C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads