eed05eb64668a28db2803b7f16a3cf1659293c2e7ecc2a219834bda950936d3f

General

Target

8a5a047fc0d402d81c5e119941047400N.exe
Size

111KB
MD5

8a5a047fc0d402d81c5e119941047400
SHA1

6448d8f68a01e5453e2567522adce715c67e1b41
SHA256

eed05eb64668a28db2803b7f16a3cf1659293c2e7ecc2a219834bda950936d3f
SHA512

580fc033946c6bce3573dde104d44c8890b44e47154acff31e1929f87a99530fe346b066ef13905e41e4db495f1b7a737871174dc847cb2e739b23043b6aa59d
SSDEEP

1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18fBq:ELlbZTZX3BAtTSVEdUJWTWd18fc

Score

7^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2972	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	guifx.exe

Loads dropped DLL 1 IoCs

pid	Process
1120	8a5a047fc0d402d81c5e119941047400N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1120-0-0x0000000000B70000-0x0000000000B8C000-memory.dmp	upx
behavioral1/files/0x0007000000018bac-2.dat	upx
behavioral1/memory/2308-7-0x0000000000250000-0x000000000026C000-memory.dmp	upx
behavioral1/memory/1120-8-0x0000000000B70000-0x0000000000B8C000-memory.dmp	upx
behavioral1/memory/1120-10-0x0000000000B70000-0x0000000000B8C000-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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	8a5a047fc0d402d81c5e119941047400N.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	8a5a047fc0d402d81c5e119941047400N.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 1120 wrote to memory of 2308	1120	8a5a047fc0d402d81c5e119941047400N.exe	29
PID 1120 wrote to memory of 2308	1120	8a5a047fc0d402d81c5e119941047400N.exe	29
PID 1120 wrote to memory of 2308	1120	8a5a047fc0d402d81c5e119941047400N.exe	29
PID 1120 wrote to memory of 2308	1120	8a5a047fc0d402d81c5e119941047400N.exe	29
PID 1120 wrote to memory of 2972	1120	8a5a047fc0d402d81c5e119941047400N.exe	30
PID 1120 wrote to memory of 2972	1120	8a5a047fc0d402d81c5e119941047400N.exe	30
PID 1120 wrote to memory of 2972	1120	8a5a047fc0d402d81c5e119941047400N.exe	30
PID 1120 wrote to memory of 2972	1120	8a5a047fc0d402d81c5e119941047400N.exe	30

C:\Users\Admin\AppData\Local\Temp\8a5a047fc0d402d81c5e119941047400N.exe
"C:\Users\Admin\AppData\Local\Temp\8a5a047fc0d402d81c5e119941047400N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1120
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2308
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\8a5a047fc0d402d81c5e119941047400N.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2972

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 Information Discovery

1

T1082

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
4c7c33fdda416a8054c9ca23bf3fed9b

SHA1
ee9f5196ab8689781f6a9b20529d2d17a05fd288

SHA256
47df0d50f7b59518e1e12caa70bc7c426fcffc46a32d9c606994d75d09322b61

SHA512
27bfd7e40afb36f44e8e83ee29a4c6c7c029b8c01f70123252546ded231d0e67e7599261066fbea3d33540451c6dde25979760684a1b5a1f506f63cef1657ef6

Download Submit
memory/1120-0-0x0000000000B70000-0x0000000000B8C000-memory.dmp

Filesize
112KB

Download
memory/1120-4-0x00000000000F0000-0x000000000010C000-memory.dmp

Filesize
112KB

Download
memory/1120-8-0x0000000000B70000-0x0000000000B8C000-memory.dmp

Filesize
112KB

Download
memory/1120-9-0x00000000000F0000-0x000000000010C000-memory.dmp

Filesize
112KB

Download
memory/1120-10-0x0000000000B70000-0x0000000000B8C000-memory.dmp

Filesize
112KB

Download
memory/2308-7-0x0000000000250000-0x000000000026C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads