8259ae1cc965aaf8545853248063d227fa62eb87d38616ca96a9275bb22971a1

Analysis

max time kernel
151s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:23

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General

Target

37e0bb339045ce6b39152acb391fbb5a.exe
Size

79KB
MD5

37e0bb339045ce6b39152acb391fbb5a
SHA1

e810c0e557be3d9c4e8c72d499bca9af6182dc11
SHA256

8259ae1cc965aaf8545853248063d227fa62eb87d38616ca96a9275bb22971a1
SHA512

08855ca08a1da7ea6283bc3df0e4cebedbc241461131154ff5d7b71b81e6a52e8e7a4e6916a456342f09136930f6b8b5a65153c4e4956ea7d8c46f7d78b8cc51
SSDEEP

1536:RLNIP9SaZTbFARlq7jC1OZstZu0TS3lEdUJrkb00wJjZS:RL+ZTZX3BAtTS3lEdUJrkb0nlS

Score

7^/10

persistence

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	37e0bb339045ce6b39152acb391fbb5a.exe

Executes dropped EXE 1 IoCs

pid	Process
2688	guifx.exe

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	37e0bb339045ce6b39152acb391fbb5a.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 5044 wrote to memory of 2688	5044	37e0bb339045ce6b39152acb391fbb5a.exe	93
PID 5044 wrote to memory of 2688	5044	37e0bb339045ce6b39152acb391fbb5a.exe	93
PID 5044 wrote to memory of 2688	5044	37e0bb339045ce6b39152acb391fbb5a.exe	93
PID 5044 wrote to memory of 8	5044	37e0bb339045ce6b39152acb391fbb5a.exe	102
PID 5044 wrote to memory of 8	5044	37e0bb339045ce6b39152acb391fbb5a.exe	102
PID 5044 wrote to memory of 8	5044	37e0bb339045ce6b39152acb391fbb5a.exe	102

C:\Users\Admin\AppData\Local\Temp\37e0bb339045ce6b39152acb391fbb5a.exe
"C:\Users\Admin\AppData\Local\Temp\37e0bb339045ce6b39152acb391fbb5a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5044
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2688
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\37e0bb339045ce6b39152acb391fbb5a.exe" >> NUL
  2⤵
  PID:8

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
79KB

MD5
2350ee1ad6545c38a2821bb21dddbccb

SHA1
8859369083f05b06c97cdd7eb271289cfc56ba60

SHA256
e75d527281e2c207daebd37ad4a1289cd9387736df59fb74c66d979fa3278336

SHA512
0b6c630678ddda79a26d2e34ae78924157e28b85d7676f52adb3c430f2bb6ee8285671d9e28e25c2dff6648e22178c6018860eeec8a7678550281c08fe0d2aec

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads