5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa

General

Target

5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe
Size

224KB
MD5

3cd72d0edeb9fa862eb0705143c16362
SHA1

2f8e6edfef8bb98c5db17d807abefdedb9c5bb1a
SHA256

5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa
SHA512

ebfaa276820f596d2ad06d5d183dca796fbdd1d1361a901b437f6eedcfeeaa53fd06a2027dd82b4dfa0a2f0523bda2dab0825e8390852fce5d1843c1599e5bd7
SSDEEP

3072:YXyqNsMoBuBZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax2+l:3qN5lp4LnbmlrZ3y

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

guuike.exe5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	guuike.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe

Executes dropped EXE 1 IoCs

Processes:

guuike.exe

pid process

896 guuike.exe

pid	process
896	guuike.exe

Loads dropped DLL 2 IoCs

Processes:

5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe

pid	process
1600	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe
1600	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

guuike.exe5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /z"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /i"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /r"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /n"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /v"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /o"	guuike.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /p"	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /d"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /l"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /t"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /c"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /a"	guuike.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /u"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /x"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /f"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /s"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /k"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /y"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /q"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /m"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /w"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /e"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /g"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /j"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /h"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /b"	guuike.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuike = "C:\\Users\\Admin\\guuike.exe /p"	guuike.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exeguuike.exe

pid	process
1600	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe
896	guuike.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exeguuike.exe

pid process

1600 5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe
896 guuike.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe

description	pid	process	target process
PID 1600 wrote to memory of 896	1600	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe	guuike.exe
PID 1600 wrote to memory of 896	1600	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe	guuike.exe
PID 1600 wrote to memory of 896	1600	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe	guuike.exe
PID 1600 wrote to memory of 896	1600	5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe	guuike.exe

C:\Users\Admin\AppData\Local\Temp\5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe
"C:\Users\Admin\AppData\Local\Temp\5fa8847755628a68d020c2f6a6b90f60d75f70ea877c9bccfb86e36ca320f6fa.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600

C:\Users\Admin\guuike.exe
"C:\Users\Admin\guuike.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\guuike.exe

Filesize
224KB

MD5
cbbdd57227ee3d5e4cdd71a607fff9b4

SHA1
e85986a6ba677a1420920d855d47785fc4905bd8

SHA256
6336e9f3145da2e2b44042f3f07842aa99f6c5df55808461d2ad3af22ff65b1e

SHA512
875283764628f7e40de1ec9f3ae1f276ea115a59de14cc65ed3b43762832aeedaf7f0c245c97a49af6694affbfe6f26319184f71eee31a72fa4154e1808672c1

Download Submit
C:\Users\Admin\guuike.exe

Filesize
224KB

MD5
cbbdd57227ee3d5e4cdd71a607fff9b4

SHA1
e85986a6ba677a1420920d855d47785fc4905bd8

SHA256
6336e9f3145da2e2b44042f3f07842aa99f6c5df55808461d2ad3af22ff65b1e

SHA512
875283764628f7e40de1ec9f3ae1f276ea115a59de14cc65ed3b43762832aeedaf7f0c245c97a49af6694affbfe6f26319184f71eee31a72fa4154e1808672c1

Download Submit
\Users\Admin\guuike.exe

Filesize
224KB

MD5
cbbdd57227ee3d5e4cdd71a607fff9b4

SHA1
e85986a6ba677a1420920d855d47785fc4905bd8

SHA256
6336e9f3145da2e2b44042f3f07842aa99f6c5df55808461d2ad3af22ff65b1e

SHA512
875283764628f7e40de1ec9f3ae1f276ea115a59de14cc65ed3b43762832aeedaf7f0c245c97a49af6694affbfe6f26319184f71eee31a72fa4154e1808672c1

Download Submit
\Users\Admin\guuike.exe

Filesize
224KB

MD5
cbbdd57227ee3d5e4cdd71a607fff9b4

SHA1
e85986a6ba677a1420920d855d47785fc4905bd8

SHA256
6336e9f3145da2e2b44042f3f07842aa99f6c5df55808461d2ad3af22ff65b1e

SHA512
875283764628f7e40de1ec9f3ae1f276ea115a59de14cc65ed3b43762832aeedaf7f0c245c97a49af6694affbfe6f26319184f71eee31a72fa4154e1808672c1

Download Submit
memory/896-59-0x0000000000000000-mapping.dmp

Download
memory/1600-56-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads