c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418

Analysis

max time kernel
152s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2022, 04:19

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General

Target

c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe
Size

120KB
MD5

53c8cf3248b56ceda5d9563363607566
SHA1

a220aa9e0845c4ed9e29c2d41dc2f2dd4efb193b
SHA256

c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418
SHA512

79248618f765ec4509e6b243ac7e27a01cf2fb567f7c9bd8751445e44835b6cf5d540af4678b5cfd04bb63b1b0bee4d21f90fad03b307095bff9b1dbf1a4d8ad
SSDEEP

1536:tusUZAfeEvVkdXGE2Mtf9oUrUQKVQg9F5tkV7pjuX5e6wTeU/60hQHy4kt5r:/UAemVkR2MtF3SV9qThay5r

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

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	cueweub.exe

Executes dropped EXE 1 IoCs

pid	Process
2424	cueweub.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /s"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /t"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /y"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /d"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /e"	cueweub.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /q"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /h"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /f"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /r"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /k"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /m"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /g"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /u"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /a"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /w"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /p"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /z"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /l"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /i"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /b"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /j"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /c"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /a"	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /n"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /o"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /x"	cueweub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cueweub = "C:\\Users\\Admin\\cueweub.exe /v"	cueweub.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

pid	Process
4932	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe
4932	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe
2424	cueweub.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4932	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe
2424	cueweub.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2424	4932	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe	85
PID 4932 wrote to memory of 2424	4932	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe	85
PID 4932 wrote to memory of 2424	4932	c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe	85

C:\Users\Admin\AppData\Local\Temp\c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.exe
"C:\Users\Admin\AppData\Local\Temp\c4296bc4f7e21ff80269545c2cc62e2dcd9ff17c23c788441945b13c33143418.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:4932
- C:\Users\Admin\cueweub.exe
  "C:\Users\Admin\cueweub.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:2424

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

Replay Monitor

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Downloads

C:\Users\Admin\cueweub.exe

Filesize
120KB

MD5
9ed6874260ac1afdf9fa9cc66c1bb4e1

SHA1
59cfe640e8176f89051736549209f76d99a11241

SHA256
2474a2abc977c5825a6ab5017ac879af19fc7666d74249c70e2aea967d5abf2c

SHA512
ed84724c6ac30b8d12a0a73fc8c810365a998888ef560a38bbbc0d74d6d53df194f2cb35a83445743fc85a99bcf6e8e84b21889eddbfc9abf74b38cd20cb803d

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

Filesize
120KB

MD5
9ed6874260ac1afdf9fa9cc66c1bb4e1

SHA1
59cfe640e8176f89051736549209f76d99a11241

SHA256
2474a2abc977c5825a6ab5017ac879af19fc7666d74249c70e2aea967d5abf2c

SHA512
ed84724c6ac30b8d12a0a73fc8c810365a998888ef560a38bbbc0d74d6d53df194f2cb35a83445743fc85a99bcf6e8e84b21889eddbfc9abf74b38cd20cb803d

Download Submit
memory/2424-138-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2424-142-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4932-134-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4932-141-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download