db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007

Analysis

max time kernel
210s
max time network
215s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 22:09

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General

Target

db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe
Size

168KB
MD5

27c25ef387fcc1f5494a293f8c05c139
SHA1

7ed5514f5be509eb098f11551c0d75415e7922af
SHA256

db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007
SHA512

55e64a5d8c224bc293ec8712c0e4ff472cb830b8e77f1b44ea2d5c69ee261f352ab9453836977e7f80567bd0b70a067e183b6c91038496274d1ed5d51ed5fc3f
SSDEEP

1536:IV7y3/PPqPwyzTGRfu+1niPRI7gIeTo88zQMihZOy+RMnmE7UkAFJZvhICqDojIv:kkPqPVzTGRfu67bNz2hT9nmEzHv

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe

Executes dropped EXE 1 IoCs

pid	Process
4524	heeihox.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\heeihox = "C:\\Users\\Admin\\heeihox.exe /y"	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.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 2 IoCs

pid	Process
1140	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe
1140	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1140	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe
4524	heeihox.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 4524	1140	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe	85
PID 1140 wrote to memory of 4524	1140	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe	85
PID 1140 wrote to memory of 4524	1140	db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe	85

C:\Users\Admin\AppData\Local\Temp\db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.exe
"C:\Users\Admin\AppData\Local\Temp\db7477805f1c6f62ff72c185bc103aedf8f709d70cbc4eec1f5f1e54141e0007.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:1140
- C:\Users\Admin\heeihox.exe
  "C:\Users\Admin\heeihox.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\heeihox.exe

Filesize
168KB

MD5
916bcbdee82370685200281fb50e03a7

SHA1
1117b46dff0f8f4cb62b7a52ba52df63e629e834

SHA256
94d1ee28a9572b644dce0b8873d18093e33eb666ab112b799b43bdf7d8d1bcca

SHA512
d8f055694abaf45f435460621c6c1ac3c50142cb65fdcc0cf2512fa3e308e615307164dc570fee986ac90644caebd4a240940287a8f31ded6d5e7e7e83c0d972

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C:\Users\Admin\heeihox.exe

Filesize
168KB

MD5
916bcbdee82370685200281fb50e03a7

SHA1
1117b46dff0f8f4cb62b7a52ba52df63e629e834

SHA256
94d1ee28a9572b644dce0b8873d18093e33eb666ab112b799b43bdf7d8d1bcca

SHA512
d8f055694abaf45f435460621c6c1ac3c50142cb65fdcc0cf2512fa3e308e615307164dc570fee986ac90644caebd4a240940287a8f31ded6d5e7e7e83c0d972

Download Submit