394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7

General

Target

394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe
Size

284KB
MD5

16545ed81a2a78159ff6817af2af6204
SHA1

d33c3d01ff1ff54d59aee92241f71416f07deb0f
SHA256

394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7
SHA512

160546bd5a36a3aa39e9a3f7367f2ab991485dbede343fa4f89f20469875130841f7a656f9565af8d813aac895014e4616234ba63d6d70e3fc3546740e2509f5
SSDEEP

6144:tZtIRD1t1aZMIvEl0E9/DIVpgAXL0LedMWs4QNJdaGcGGZ0GbNXht+6h0SItIBjp:tZtIRD71aZMIvEl0E9/DIVpgAXL0LedD

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:

394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exezyzoq.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"	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	zyzoq.exe

Executes dropped EXE 1 IoCs

Processes:

zyzoq.exe

pid process

1200 zyzoq.exe

pid	process
1200	zyzoq.exe

Loads dropped DLL 2 IoCs

Processes:

394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe

pid	process
1600	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe
1600	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe

Adds Run key to start application 2 TTPs 25 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

zyzoq.exe394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /v"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /q"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /y"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /b"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /j"	zyzoq.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /l"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /r"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /z"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /o"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /w"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /u"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /t"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /p"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /f"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /i"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /t"	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /h"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /n"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /d"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /m"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /a"	zyzoq.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /c"	zyzoq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zyzoq = "C:\\Users\\Admin\\zyzoq.exe /e"	zyzoq.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

zyzoq.exe394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	zyzoq.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	zyzoq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.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 52 IoCs

Processes:

394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exezyzoq.exe

pid	process
1600	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe
1200	zyzoq.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exezyzoq.exe

pid process

1600 394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe
1200 zyzoq.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe

description	pid	process	target process
PID 1600 wrote to memory of 1200	1600	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe	zyzoq.exe
PID 1600 wrote to memory of 1200	1600	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe	zyzoq.exe
PID 1600 wrote to memory of 1200	1600	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe	zyzoq.exe
PID 1600 wrote to memory of 1200	1600	394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe	zyzoq.exe

C:\Users\Admin\AppData\Local\Temp\394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe
"C:\Users\Admin\AppData\Local\Temp\394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600

C:\Users\Admin\zyzoq.exe
"C:\Users\Admin\zyzoq.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1200

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\zyzoq.exe

Filesize
284KB

MD5
16545ed81a2a78159ff6817af2af6204

SHA1
d33c3d01ff1ff54d59aee92241f71416f07deb0f

SHA256
394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7

SHA512
160546bd5a36a3aa39e9a3f7367f2ab991485dbede343fa4f89f20469875130841f7a656f9565af8d813aac895014e4616234ba63d6d70e3fc3546740e2509f5

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

Filesize
284KB

MD5
16545ed81a2a78159ff6817af2af6204

SHA1
d33c3d01ff1ff54d59aee92241f71416f07deb0f

SHA256
394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7

SHA512
160546bd5a36a3aa39e9a3f7367f2ab991485dbede343fa4f89f20469875130841f7a656f9565af8d813aac895014e4616234ba63d6d70e3fc3546740e2509f5

Download Submit
\Users\Admin\zyzoq.exe

Filesize
284KB

MD5
16545ed81a2a78159ff6817af2af6204

SHA1
d33c3d01ff1ff54d59aee92241f71416f07deb0f

SHA256
394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7

SHA512
160546bd5a36a3aa39e9a3f7367f2ab991485dbede343fa4f89f20469875130841f7a656f9565af8d813aac895014e4616234ba63d6d70e3fc3546740e2509f5

Download Submit
\Users\Admin\zyzoq.exe

Filesize
284KB

MD5
16545ed81a2a78159ff6817af2af6204

SHA1
d33c3d01ff1ff54d59aee92241f71416f07deb0f

SHA256
394654a992f0e09f7d7fcba4738e37ecdeef695b5fa882cbbf1fa6b4ab4553d7

SHA512
160546bd5a36a3aa39e9a3f7367f2ab991485dbede343fa4f89f20469875130841f7a656f9565af8d813aac895014e4616234ba63d6d70e3fc3546740e2509f5

Download Submit
memory/1200-59-0x0000000000000000-mapping.dmp

Download
memory/1600-56-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1600-65-0x00000000739B1000-0x00000000739B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads