982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 00:26

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General

Target

982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe
Size

200KB
MD5

670e7ba325b462f960cd0f5b56354916
SHA1

0e3287287e39fa0c570204599bc37269419518aa
SHA256

982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765
SHA512

d9d25506072fc6323d719c9863b0755c90571411f3b76f8ae890be8ddb9b30a6c827330d157a60cd66a1b713ddf033651e5c48af83fcbae00da38659af667593
SSDEEP

3072:CLv6LHJdkvY2+ydeYMvnWtmpzaVmS4plDuUhMjn:ovadkgM03utmQt4n7+

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"	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wuoleub.exe

Executes dropped EXE 1 IoCs

pid	Process
1664	wuoleub.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	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.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\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /l"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /r"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /j"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /p"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /o"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /k"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /t"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /x"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /i"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /a"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /b"	wuoleub.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /e"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /n"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /w"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /y"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /c"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /g"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /v"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /h"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /f"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /u"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /z"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /q"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /m"	wuoleub.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /i"	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /d"	wuoleub.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoleub = "C:\\Users\\Admin\\wuoleub.exe /s"	wuoleub.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
4868	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe
4868	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe
1664	wuoleub.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4868	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe
1664	wuoleub.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 1664	4868	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe	81
PID 4868 wrote to memory of 1664	4868	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe	81
PID 4868 wrote to memory of 1664	4868	982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe	81

C:\Users\Admin\AppData\Local\Temp\982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.exe
"C:\Users\Admin\AppData\Local\Temp\982c9b4433a74a177275185249438ced101a086e58dc13c80f196f3dd8a27765.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:4868
- C:\Users\Admin\wuoleub.exe
  "C:\Users\Admin\wuoleub.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:1664

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\wuoleub.exe

Filesize
200KB

MD5
0ab8ba0cbdcdc4d64f942de9ccada10d

SHA1
c18a17d950d3c2dace0bed7fa5096c0c59b4a69b

SHA256
435f29c7ffbe0773a6ee4157c4720e4810498026e5c5c4dda6cb653d01c106a6

SHA512
f7a33f0e74395b2e166bbff5e5730f31d7099b14361f97bd71c0d136fef1b471436c4333bb275464717129d1bc2411187b6b802946a400f8a4c4a3fd621aba9b

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

Filesize
200KB

MD5
0ab8ba0cbdcdc4d64f942de9ccada10d

SHA1
c18a17d950d3c2dace0bed7fa5096c0c59b4a69b

SHA256
435f29c7ffbe0773a6ee4157c4720e4810498026e5c5c4dda6cb653d01c106a6

SHA512
f7a33f0e74395b2e166bbff5e5730f31d7099b14361f97bd71c0d136fef1b471436c4333bb275464717129d1bc2411187b6b802946a400f8a4c4a3fd621aba9b

Download Submit
memory/1664-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1664-142-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4868-134-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4868-141-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download