857de405df42c47dc13015d8804ffc4c60db8068388c616d8997e5428fe6aad0

General

Target

bd7f21a62bf8e280aa35af88f8c62c20N.exe
Size

111KB
MD5

bd7f21a62bf8e280aa35af88f8c62c20
SHA1

b8835f327eb8fbbcb4015b62162b7ac3c386956c
SHA256

857de405df42c47dc13015d8804ffc4c60db8068388c616d8997e5428fe6aad0
SHA512

20667a8c0b8e993cadaf9624da637bf10e9bc70c40692273b070b1971372fa6d20a7c9648d7b57e3a995a9b13492a7e7db3788d71286241ac8fb4708d336a398
SSDEEP

1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18f9:ELlbZTZX3BAtTSVEdUJWTWd18f9

Score

7^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2748	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2364	guifx.exe

Loads dropped DLL 1 IoCs

pid	Process
2532	bd7f21a62bf8e280aa35af88f8c62c20N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2532-0-0x00000000001B0000-0x00000000001CC000-memory.dmp	upx
behavioral1/files/0x0008000000016d19-5.dat	upx
behavioral1/memory/2364-7-0x0000000000820000-0x000000000083C000-memory.dmp	upx
behavioral1/memory/2364-9-0x0000000000820000-0x000000000083C000-memory.dmp	upx
behavioral1/memory/2532-10-0x00000000001B0000-0x00000000001CC000-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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	bd7f21a62bf8e280aa35af88f8c62c20N.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	bd7f21a62bf8e280aa35af88f8c62c20N.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 2532 wrote to memory of 2364	2532	bd7f21a62bf8e280aa35af88f8c62c20N.exe	30
PID 2532 wrote to memory of 2364	2532	bd7f21a62bf8e280aa35af88f8c62c20N.exe	30
PID 2532 wrote to memory of 2364	2532	bd7f21a62bf8e280aa35af88f8c62c20N.exe	30
PID 2532 wrote to memory of 2364	2532	bd7f21a62bf8e280aa35af88f8c62c20N.exe	30
PID 2532 wrote to memory of 2748	2532	bd7f21a62bf8e280aa35af88f8c62c20N.exe	32
PID 2532 wrote to memory of 2748	2532	bd7f21a62bf8e280aa35af88f8c62c20N.exe	32
PID 2532 wrote to memory of 2748	2532	bd7f21a62bf8e280aa35af88f8c62c20N.exe	32
PID 2532 wrote to memory of 2748	2532	bd7f21a62bf8e280aa35af88f8c62c20N.exe	32

C:\Users\Admin\AppData\Local\Temp\bd7f21a62bf8e280aa35af88f8c62c20N.exe
"C:\Users\Admin\AppData\Local\Temp\bd7f21a62bf8e280aa35af88f8c62c20N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\bd7f21a62bf8e280aa35af88f8c62c20N.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2748

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

C:\ProgramData\Graphics\guifx.exe

Filesize
111KB

MD5
fece5887340dbe56224d8bb70045efb8

SHA1
a7ea19e8b4189f5a6610cee8234764e79ebf01c3

SHA256
f62c567ac642071be30bd95c3e8047749203058e31e6e3097ddb73ac521d2fd8

SHA512
fa76effd1009ec855f1d9de894410b4aee2b87312459ae3003cd6dc5f3d4fe02f4ba827987ce2f1eeff9977b323e2f21c91001d13a1ec21f980bef0ad306f8a0

Download Submit
memory/2364-7-0x0000000000820000-0x000000000083C000-memory.dmp

Filesize
112KB

Download
memory/2364-9-0x0000000000820000-0x000000000083C000-memory.dmp

Filesize
112KB

Download
memory/2532-0-0x00000000001B0000-0x00000000001CC000-memory.dmp

Filesize
112KB

Download
memory/2532-6-0x0000000000170000-0x000000000018C000-memory.dmp

Filesize
112KB

Download
memory/2532-8-0x0000000000170000-0x000000000018C000-memory.dmp

Filesize
112KB

Download
memory/2532-10-0x00000000001B0000-0x00000000001CC000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads