845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca

General

Target

845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe
Size

204KB
MD5

261b7d5c3df59d59de8439604bdf98b0
SHA1

25f835ed095f7c870526bf11c4765f6e05c8e435
SHA256

845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca
SHA512

cc315c1135dd06d232eac0a8a184538ed4887c8b06d46fc22aca8e2fd6c53b17186f27da330d6c9c9181f11e585c8d3ddf30d5d540eae96e8de86024a8203f4d
SSDEEP

6144:wwsJtZNngeO+cwjfTfGHN1RWrOy9uJV10BK+baPe3ObUrlBXvgd7Vc7IZ:wwmNngeO+cwjfTfGHN1Ax9uJV10BK+bQ

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:

845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exehuaik.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	huaik.exe

Executes dropped EXE 1 IoCs

Processes:

huaik.exe

pid process

3288 huaik.exe

pid	process
3288	huaik.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe

Adds Run key to start application 2 TTPs 55 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

huaik.exe845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /F"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /d"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /S"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /R"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /I"	845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /m"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /H"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /z"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /i"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /E"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /V"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /W"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /N"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /o"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /n"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /b"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /Q"	huaik.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /X"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /q"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /e"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /s"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /Z"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /h"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /P"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /A"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /k"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /Y"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /f"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /p"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /t"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /u"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /v"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /w"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /M"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /G"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /l"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /r"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /L"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /B"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /C"	huaik.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\	845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /I"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /g"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /D"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /x"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /T"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /j"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /y"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /J"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /c"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /O"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /a"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /K"	huaik.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huaik = "C:\\Users\\Admin\\huaik.exe /U"	huaik.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:

845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exehuaik.exe

pid	process
4484	845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe
4484	845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe
3288	huaik.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exehuaik.exe

pid process

4484 845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe
3288 huaik.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe

description	pid	process	target process
PID 4484 wrote to memory of 3288	4484	845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe	huaik.exe
PID 4484 wrote to memory of 3288	4484	845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe	huaik.exe
PID 4484 wrote to memory of 3288	4484	845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe	huaik.exe

C:\Users\Admin\AppData\Local\Temp\845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe
"C:\Users\Admin\AppData\Local\Temp\845c69ef5e8c296d706c8b2b854638ec22a365900f8451b271dd02392735b4ca.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4484

C:\Users\Admin\huaik.exe
"C:\Users\Admin\huaik.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:3288

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\huaik.exe

Filesize
204KB

MD5
145ae3e9633f2ebda1f130701a63d6fa

SHA1
30e905f3db7276bbc32cd3061f78597a3a30a54c

SHA256
2bbf9f8845ef6ecbec8d830539ea62fb6b827ff7004022b35853e5529b2ea69f

SHA512
0bf187205cdb26573ba021467d1c6a09a8cccd3e88a5f33969aaabaf9ad06ad5563d19eb6c5852867d07161ed09de4c6378135c94e04d6ee0b3f0c9f714b4efd

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

Filesize
204KB

MD5
145ae3e9633f2ebda1f130701a63d6fa

SHA1
30e905f3db7276bbc32cd3061f78597a3a30a54c

SHA256
2bbf9f8845ef6ecbec8d830539ea62fb6b827ff7004022b35853e5529b2ea69f

SHA512
0bf187205cdb26573ba021467d1c6a09a8cccd3e88a5f33969aaabaf9ad06ad5563d19eb6c5852867d07161ed09de4c6378135c94e04d6ee0b3f0c9f714b4efd

Download Submit
memory/3288-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads