d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733

Analysis

max time kernel
143s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-06-2024 04:37

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General

Target

d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
Size

1.1MB
MD5

b7ae326bc9e0fbe2d39e8845aa5f7641
SHA1

53413c854f0165159fcf77fe733e4887a811da00
SHA256

d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733
SHA512

758d0bf83e658c7a7360d53c53ba0d45ff4f1892c6ff8005b639591d2d4455387fd336db1cedd4b4d9af74433c7a9fcb4e2ed6e60bfbd5e81424dc96a1437b64
SSDEEP

6144:gDCwfazrDCwfqDCwfyDDCwfADCwfyDDCwfqDCwfyDDCwfazm:g7azr7q7yD7A7yD7q7yD7azm

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	hosts.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	avscan.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	avscan.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	hosts.exe

Adds policy Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\OAILVCNY = "W_X_C.bat"	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\OAILVCNY = "W_X_C.bat"	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\OAILVCNY = "W_X_C.bat"	WScript.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	cmd.exe

Executes dropped EXE 6 IoCs

pid	Process
4956	avscan.exe
1496	avscan.exe
4684	hosts.exe
4848	hosts.exe
652	avscan.exe
3484	hosts.exe

Adds Run key to start application 2 TTPs 3 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\avscan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\avscan.exe"	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avscan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\avscan.exe"	avscan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avscan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\avscan.exe"	hosts.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\windows\W_X_C.vbs	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
File created	\??\c:\windows\W_X_C.bat	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
File opened for modification	C:\Windows\hosts.exe	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
File opened for modification	C:\Windows\hosts.exe	avscan.exe
File opened for modification	C:\Windows\hosts.exe	hosts.exe

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

System Information Discovery
T1082

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	cmd.exe

Modifies registry key 1 TTPs 9 IoCs

Modify Registry

T1112

pid	Process
3400	REG.exe
3776	REG.exe
4124	REG.exe
4156	REG.exe
1548	REG.exe
1152	REG.exe
1452	REG.exe
1284	REG.exe
3924	REG.exe

Suspicious behavior: GetForegroundWindowSpam 3 IoCs

pid	Process
3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
4956	avscan.exe
4848	hosts.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
4956	avscan.exe
1496	avscan.exe
4848	hosts.exe
4684	hosts.exe
652	avscan.exe
3484	hosts.exe

Suspicious use of WriteProcessMemory 63 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 3776	3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe	91
PID 3684 wrote to memory of 3776	3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe	91
PID 3684 wrote to memory of 3776	3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe	91
PID 3684 wrote to memory of 4956	3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe	93
PID 3684 wrote to memory of 4956	3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe	93
PID 3684 wrote to memory of 4956	3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe	93
PID 4956 wrote to memory of 1496	4956	avscan.exe	94
PID 4956 wrote to memory of 1496	4956	avscan.exe	94
PID 4956 wrote to memory of 1496	4956	avscan.exe	94
PID 4956 wrote to memory of 2076	4956	avscan.exe	95
PID 4956 wrote to memory of 2076	4956	avscan.exe	95
PID 4956 wrote to memory of 2076	4956	avscan.exe	95
PID 3684 wrote to memory of 116	3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe	96
PID 3684 wrote to memory of 116	3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe	96
PID 3684 wrote to memory of 116	3684	d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe	96
PID 2076 wrote to memory of 4848	2076	cmd.exe	100
PID 116 wrote to memory of 4684	116	cmd.exe	99
PID 2076 wrote to memory of 4848	2076	cmd.exe	100
PID 2076 wrote to memory of 4848	2076	cmd.exe	100
PID 116 wrote to memory of 4684	116	cmd.exe	99
PID 116 wrote to memory of 4684	116	cmd.exe	99
PID 4848 wrote to memory of 652	4848	hosts.exe	101
PID 4848 wrote to memory of 652	4848	hosts.exe	101
PID 4848 wrote to memory of 652	4848	hosts.exe	101
PID 4848 wrote to memory of 1640	4848	hosts.exe	102
PID 4848 wrote to memory of 1640	4848	hosts.exe	102
PID 4848 wrote to memory of 1640	4848	hosts.exe	102
PID 1640 wrote to memory of 3484	1640	cmd.exe	104
PID 1640 wrote to memory of 3484	1640	cmd.exe	104
PID 1640 wrote to memory of 3484	1640	cmd.exe	104
PID 116 wrote to memory of 1440	116	cmd.exe	106
PID 116 wrote to memory of 1440	116	cmd.exe	106
PID 116 wrote to memory of 1440	116	cmd.exe	106
PID 1640 wrote to memory of 1248	1640	cmd.exe	105
PID 1640 wrote to memory of 1248	1640	cmd.exe	105
PID 1640 wrote to memory of 1248	1640	cmd.exe	105
PID 2076 wrote to memory of 3600	2076	cmd.exe	107
PID 2076 wrote to memory of 3600	2076	cmd.exe	107
PID 2076 wrote to memory of 3600	2076	cmd.exe	107
PID 4956 wrote to memory of 1452	4956	avscan.exe	118
PID 4956 wrote to memory of 1452	4956	avscan.exe	118
PID 4956 wrote to memory of 1452	4956	avscan.exe	118
PID 4848 wrote to memory of 1284	4848	hosts.exe	120
PID 4848 wrote to memory of 1284	4848	hosts.exe	120
PID 4848 wrote to memory of 1284	4848	hosts.exe	120
PID 4956 wrote to memory of 4124	4956	avscan.exe	122
PID 4956 wrote to memory of 4124	4956	avscan.exe	122
PID 4956 wrote to memory of 4124	4956	avscan.exe	122
PID 4848 wrote to memory of 3924	4848	hosts.exe	124
PID 4848 wrote to memory of 3924	4848	hosts.exe	124
PID 4848 wrote to memory of 3924	4848	hosts.exe	124
PID 4956 wrote to memory of 4156	4956	avscan.exe	126
PID 4956 wrote to memory of 4156	4956	avscan.exe	126
PID 4956 wrote to memory of 4156	4956	avscan.exe	126
PID 4848 wrote to memory of 3400	4848	hosts.exe	128
PID 4848 wrote to memory of 3400	4848	hosts.exe	128
PID 4848 wrote to memory of 3400	4848	hosts.exe	128
PID 4956 wrote to memory of 1548	4956	avscan.exe	130
PID 4956 wrote to memory of 1548	4956	avscan.exe	130
PID 4956 wrote to memory of 1548	4956	avscan.exe	130
PID 4848 wrote to memory of 1152	4848	hosts.exe	132
PID 4848 wrote to memory of 1152	4848	hosts.exe	132
PID 4848 wrote to memory of 1152	4848	hosts.exe	132

C:\Users\Admin\AppData\Local\Temp\d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe
"C:\Users\Admin\AppData\Local\Temp\d705057413dc54e9b1866a194f00a1ce63871d99a4ff76ff7f4035eacf2ff733.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3684
- C:\Windows\SysWOW64\REG.exe
  REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
  2⤵
  - Modifies registry key
  PID:3776
- C:\Users\Admin\AppData\Local\Temp\avscan.exe
  C:\Users\Admin\AppData\Local\Temp\avscan.exe
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4956
- - C:\Users\Admin\AppData\Local\Temp\avscan.exe
    C:\Users\Admin\AppData\Local\Temp\avscan.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:1496
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
    3⤵
    - Checks computer location settings
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2076
  - - C:\windows\hosts.exe
      C:\windows\hosts.exe
      4⤵
      Modifies visibility of file extensions in Explorer
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4848
    - - C:\Users\Admin\AppData\Local\Temp\avscan.exe
        
        C:\Users\Admin\AppData\Local\Temp\avscan.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:652
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
        5⤵
        Checks computer location settings
        Modifies registry class
        Suspicious use of WriteProcessMemory
        
        PID:1640
      - C:\windows\hosts.exe
        
        C:\windows\hosts.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:3484
      - C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
        6⤵
        Adds policy Run key to start application
        
        PID:1248
    - - C:\Windows\SysWOW64\REG.exe
        
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        5⤵
        Modifies registry key
        
        PID:1284
    - - C:\Windows\SysWOW64\REG.exe
        
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        5⤵
        Modifies registry key
        
        PID:3924
    - - C:\Windows\SysWOW64\REG.exe
        
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        5⤵
        Modifies registry key
        
        PID:3400
    - - C:\Windows\SysWOW64\REG.exe
        
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        5⤵
        Modifies registry key
        
        PID:1152
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
      4⤵
      Adds policy Run key to start application
      PID:3600
- - C:\Windows\SysWOW64\REG.exe
    REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
    3⤵
    - Modifies registry key
    PID:1452
- - C:\Windows\SysWOW64\REG.exe
    REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
    3⤵
    - Modifies registry key
    PID:4124
- - C:\Windows\SysWOW64\REG.exe
    REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
    3⤵
    - Modifies registry key
    PID:4156
- - C:\Windows\SysWOW64\REG.exe
    REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
    3⤵
    - Modifies registry key
    PID:1548
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:116
- - C:\windows\hosts.exe
    C:\windows\hosts.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:4684
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
    3⤵
    - Adds policy Run key to start application
    PID:1440

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1404

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4256 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:4468

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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\AppData\Local\Temp\avscan.exe

Filesize
1.1MB

MD5
2a8dcf9eac68d7b232bedad5e38c7f59

SHA1
fc4148160b1958c024d5380d24f6c890eef019b2

SHA256
4b33ab5ce9c5b26694d1549c9d4eaaa2550f96336e401ab2f91c6b8f54b0a8f7

SHA512
253976ace1f16dcd49f5410867f96350805873518668bdeb2c927b4c4f792ca4fecd3c9181b63906b52c7830c6331d7195994343c63c96d46975e6a76af49f20

Download Submit
C:\Windows\W_X_C.vbs

Filesize
195B

MD5
0b7843cfac17421f5112f317542457da

SHA1
60383d2b53c315cef3e26e2254448623fbf75de2

SHA256
b5006a0ac0b2c3200787642471940c08570b8f21eb46a03b5e53d103cb99a8c7

SHA512
cf57206cd2828e2e4ca2f6b2ac8818cf30c5c6d69854f719bcb3296b674d7d02d6067453965220948418fc995aa6d8441a30736f5fa9ce46d01d4056801ff918

Download Submit
C:\Windows\hosts.exe

Filesize
1.1MB

MD5
46410692a3b4db8d613d2592afeb392b

SHA1
a808009cec4eec85c3d040478a715d353cc6f83b

SHA256
a2dc78ea89cd069ee4ae116f3e032720a23b66e019580ae2ed74512162b09d56

SHA512
31d2f81b31e2da4d06e973cb99f8c9535d892ab8b84c1392e7eddcf87017cef948a50e1c033b011b6899a89794e64f7bb3eef7283aadb8b3041c0588372d3255

Download Submit
\??\c:\windows\W_X_C.bat

Filesize
336B

MD5
4db9f8b6175722b62ececeeeba1ce307

SHA1
3b3ba8414706e72a6fa19e884a97b87609e11e47

SHA256
d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

SHA512
1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads