b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209

General

Target

b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe
Size

111KB
MD5

bc27608446faf10fef3f3e50492cce20
SHA1

ae4156ce87e9cf75948318e617748536562e598b
SHA256

b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209
SHA512

3a623feba0be2213e66a88bb22b6b4ad2a981d559e9b614e7e5e32a6051610546b442ca712f7d7a4e90bbeca691ac6437074948ef9e978b215cfff4bf2fdae1f
SSDEEP

1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18fBE:ELlbZTZX3BAtTSVEdUJWTWd18fq

Score

7^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3060	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2836	guifx.exe

Loads dropped DLL 1 IoCs

pid	Process
2904	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x001000000001866e-1.dat	upx
behavioral1/memory/2836-7-0x0000000000930000-0x000000000094C000-memory.dmp	upx
behavioral1/memory/2904-5-0x0000000001270000-0x000000000128C000-memory.dmp	upx
behavioral1/memory/2836-9-0x0000000000930000-0x000000000094C000-memory.dmp	upx
behavioral1/memory/2904-10-0x0000000001270000-0x000000000128C000-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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	guifx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2836	2904	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	30
PID 2904 wrote to memory of 2836	2904	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	30
PID 2904 wrote to memory of 2836	2904	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	30
PID 2904 wrote to memory of 2836	2904	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	30
PID 2904 wrote to memory of 3060	2904	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	32
PID 2904 wrote to memory of 3060	2904	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	32
PID 2904 wrote to memory of 3060	2904	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	32
PID 2904 wrote to memory of 3060	2904	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	32

C:\Users\Admin\AppData\Local\Temp\b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe
"C:\Users\Admin\AppData\Local\Temp\b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\Graphics\guifx.exe

Filesize
111KB

MD5
7b634243cc4d49534533276f89320b1b

SHA1
0fc82467c7169535b44f2211127e549102164205

SHA256
882e6e33c85d752f480df09130783ebb65cf18cb55847648eb1f21912a0e38c6

SHA512
97794e73dd32e04e78154d707ea718078ab7488714353f28473734a275308caf3506065ad20576353b8aaa2d094b23594a2be9a4e0f4776a852198bb1aadb29b

Download Submit
memory/2836-7-0x0000000000930000-0x000000000094C000-memory.dmp

Filesize
112KB

Download
memory/2836-9-0x0000000000930000-0x000000000094C000-memory.dmp

Filesize
112KB

Download
memory/2904-6-0x0000000000140000-0x000000000015C000-memory.dmp

Filesize
112KB

Download
memory/2904-5-0x0000000001270000-0x000000000128C000-memory.dmp

Filesize
112KB

Download
memory/2904-8-0x0000000000140000-0x000000000015C000-memory.dmp

Filesize
112KB

Download
memory/2904-10-0x0000000001270000-0x000000000128C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads