ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad

General

Target

ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
Size

1.5MB
MD5

2cd99159c94188afe5cf0a4cf126fb88
SHA1

a0cb44f510a907ab0c5a6e305d444613017240d2
SHA256

ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad
SHA512

a2cc82ef39a15c309a40da9ff2cdeecd3e81aaadf45e46cc33c42d92b573ea274e9d9feca2136dd2e16c61d714bc0e9956b6a0a6f7181bc076f2932a43f152d3
SSDEEP

49152:oJnfQW0e9+tqf/2vwHTwQWTG6sY7BFZOxu6FNkKFNku:oCWZrHhWTG6VzHkk0ku

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MyQAuto.exe	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe

Executes dropped EXE 1 IoCs

pid	Process
1332	ctfnom_.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfnom_.exe = "ctfnom_.exe"	ctfnom_.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctfnom_.exe = "ctfnom_.exe"	ctfnom_.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ctfnom_.exe	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
File opened for modification	C:\Windows\SysWOW64\MyQAuto.exe	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
File created	C:\Windows\SysWOW64\Del.bat	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
File created	C:\Windows\SysWOW64\Del.vbs	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
File opened for modification	C:\Windows\SysWOW64\favicon.ico	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
File opened for modification	C:\Windows\SysWOW64\favicon.reg	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctfnom_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe

Modifies Internet Explorer settings 1 TTPs 11 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\Default Visible = "Yes"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\Exec = "http://www.qq823.com"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\HotIcon = "favicon.ico"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\Icon = "favicon.ico"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\MenuStatusBar = "QQ823网址导航"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\ButtonText = "QQ823网址导航"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\CLSID = "{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\MenuText = "QQ823网址导航"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main	ctfnom_.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	ctfnom_.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.qq823.com"	ctfnom_.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.qq823.com"	ctfnom_.exe

Modifies registry class 25 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\QQ823	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\InProcServer32\ThreadingModel = "Apartment"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\Shell\Open	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\QQ823	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\QQ823\ = "访问QQ823网址导航"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\QQ823\ = "访问QQ823网址导航"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\Shell	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\QQ823\command	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\QQ823\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE http://www.qq823.com"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000_Classes\Local Settings	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\Shell\Open\Command	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\ = "QQ823网址导航"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\InfoTip = "欢迎您访问QQ823网址导航"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\DefaultIcon\InProcServer32	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\Shell\Open\Command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE http://www.qq823.com"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\QQ823\command	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\DefaultIcon\ = "favicon.ico"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\InProcServer32	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\ShellFolder	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\{305ca226-d286-468e-b848-2b2e8e697b74} 2 = "0"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\DefaultIcon	regedit.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\ShellFolder\Attributes = 00000000	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\QQ823\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE http://www.qq823.com"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\InProcServer32\ = "shdocvw.dll"	regedit.exe

Runs .reg file with regedit 1 IoCs

pid	Process
960	regedit.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3616	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
1332	ctfnom_.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 2264	3616	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe	85
PID 3616 wrote to memory of 2264	3616	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe	85
PID 3616 wrote to memory of 2264	3616	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe	85
PID 3616 wrote to memory of 1332	3616	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe	86
PID 3616 wrote to memory of 1332	3616	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe	86
PID 3616 wrote to memory of 1332	3616	ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe	86
PID 2264 wrote to memory of 2024	2264	WScript.exe	87
PID 2264 wrote to memory of 2024	2264	WScript.exe	87
PID 2264 wrote to memory of 2024	2264	WScript.exe	87
PID 2024 wrote to memory of 960	2024	cmd.exe	90
PID 2024 wrote to memory of 960	2024	cmd.exe	90
PID 2024 wrote to memory of 960	2024	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe
"C:\Users\Admin\AppData\Local\Temp\ec2080b7acb90e0dd02e5ccd08edc42ce2d6b5395ebca3f31bed88a39923aaad.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Windows\system32\Del.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c C:\Windows\system32\Del.bat
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - C:\Windows\SysWOW64\regedit.exe
      regedit /s C:\Windows\system32\favicon.reg
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Modifies registry class
      Runs .reg file with regedit
      PID:960
- C:\Windows\SysWOW64\ctfnom_.exe
  C:\Windows\system32\ctfnom_.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies Internet Explorer start page
  - Suspicious use of SetWindowsHookEx
  PID:1332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Del.bat

Filesize
147B

MD5
b58a5f659c85978342cf6130f1fdfa17

SHA1
9f7812a274d8debb2801cb8616c1fd4c5891b3dc

SHA256
7f451eb5acf109c0b0a61a7e0c9e66c2562c8baa4d2ad5efaee9fd2a7434d8cd

SHA512
382d494ba0f7cc7ee05e74f7165a33aefb93236bb4f5f06aac292b134100d927caca70138fb86c650d99f291844e52e13dbc99de967f636b6b763ea83652e3b7

Download Submit
C:\Windows\SysWOW64\Del.vbs

Filesize
93B

MD5
8cf96bc792eca45cff7728ad63086a3d

SHA1
21517b7e4c2aa1aaf7aa5a2b378c81f49c2d2b27

SHA256
44afb3f2711eaa8be0a622e88d9ac73854433d8101e9e02341330e6407c4b493

SHA512
25bc1c86d5c48bb31498520a4dbd10d9b129fa137f0781915d3bda051d5ea7c209ca137f42c4a26b71563235214dd1af35f1434dbd8d8ebf7dbe8a0002f6580d

Download Submit
C:\Windows\SysWOW64\ctfnom_.exe

Filesize
10KB

MD5
2e735e75aa993f6915a90a3891fd3718

SHA1
73ec3e4ba7dae5e26011d206e4bec5235a3175c3

SHA256
f8d29e1e0df238650ff4ea650d0f151a17be09256bc66f72ffdddb3c23e1b7d5

SHA512
58c9d0efd8ffc1d7e3b3001e7bbc781e762bb3ddc2682997f8b9e8522473498cd104ad54385e697c1b6f5096fa657e4c3071a988cb853015943043208e69810a

Download Submit
C:\Windows\SysWOW64\favicon.reg

Filesize
5KB

MD5
84a824b138dc2382d367ddbf818c8ae5

SHA1
86f14284d9eecfeba769664d7cb26806c8fd37f5

SHA256
7053ebfe5a3c5d16cd9b6be7cc7bb10636cb611760c4394300b762a8f7bddf6e

SHA512
ff78f1d3763bff2af7e30ae78c317e0a122761307f0aa662f81cca68e3de8b687027f58b5ed4f33ee050be07a1d1c231edd0cf99938cf50913902a5a51f35ed2

Download Submit
memory/1332-19-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1332-22-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1332-21-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/1332-29-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1332-30-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3616-2-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/3616-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3616-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3616-1-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads