09a11b820f5e99d2d3e6341a175b193735a5f2a24ded2c5c4c5e883b68a7fbfd

General

Target

b4367c1e20abec503e3e029349219ff1.exe
Size

196KB
MD5

b4367c1e20abec503e3e029349219ff1
SHA1

dc405b55fbe5244b78e3510a49366502d3f4c640
SHA256

09a11b820f5e99d2d3e6341a175b193735a5f2a24ded2c5c4c5e883b68a7fbfd
SHA512

092ce38e30588e32fcbceddb2b37eec639a75d3665d65ee9413b6ae471a02f735063ccec7b49cec3945e0d0f13953fda715295cfee3e569d92bac242490b3d58
SSDEEP

1536:DL1blQbEYPHbAQ69ECYUSvQktGj2Dee4d6Iis4MmDm2xB/Sbigu4gjLKCS7+t:CQ6DS/peMmnu5u4gjqQ

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "3"	svchost.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "1"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	winlogon.exe

Loads dropped DLL 2 IoCs

pid	Process
2000	b4367c1e20abec503e3e029349219ff1.exe
2000	b4367c1e20abec503e3e029349219ff1.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\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\NVIDIA Media Center Library = "C:\\Users\\Admin\\Admin1\\winlogon.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NVIDIA Media Center Library = "C:\\Users\\Admin\\Admin1\\winlogon.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 2712	2020	winlogon.exe	29

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Page = "http://a-4-2-n-v-g-1-j-j-1-j-2-z-5-r-5-k-p-o-.j-z-0-3-0-u-u-x-f-1l-3-l-h-w-b-q-z-u-5-n-l-l-m-s-5-v-s-z-g.info"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://l-h-y-p-3-0-o-7-y-7-1-2-9-0-2-c-3-6-7-4-n-0-0-m-t-5-0-.5-b-e-n-t-f-p-p-7-1-1-0-7-c-q-0-3-00-6-u-7-t-1-n-y-q-u-f-u.info"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Search_URL = "http://e-p-2-5-n-2-2-w-4-2-i-.j-z-0-3-0-u-u-x-f-1l-3-l-h-w-b-q-z-u-5-n-l-l-m-s-5-v-s-z-g.info"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://h-9-2-v-4-q-k-n-0-z-7-j-a-.a-l-v-d-z-o0-n-x-6-v-0-q-q-m-7-g-d-z-7-7-o-b-m-7-z-4-a-q-0.info"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://4-h-u-8-.u-l-c-6-e-p-a-a-0-z-m-s-m-00-v-2-i-7-5-f-l-7-7-l-t-j-h-h-9.info"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\Local Page = "http://p-l-8-6-0-a-s-2-z-8-1-1-3-2-9-9-3-5-.i-k-r-g-1-0-u-5-1-f-3-g-li-9-p-1-x-t-6-g-l-8-m-q-y-s-k-6-l.info"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Local Page = "http://8-z-k-9-w-1-9-n-8-7-z-a-l-m-0-y-p-l-g-5-2-t-8-q-7-0-x-3-1-.j-z-0-3-0-u-u-x-f-1l-3-l-h-w-b-q-z-u-5-n-l-l-m-s-5-v-s-z-g.info"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\Search Page = "http://m-f-3-p-2-i-5-6-s-6-.i-k-r-g-1-0-u-5-1-f-3-g-li-9-p-1-x-t-6-g-l-8-m-q-y-s-k-6-l.info"	svchost.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://4-x-1-5-x-1-p-x-n-i-3-y-1-0-6-1-2-3-6-8-a-4-6-.i-k-r-g-1-0-u-5-1-f-3-g-li-9-p-1-x-t-6-g-l-8-m-q-y-s-k-6-l.info"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://7-n-d-d-v-9-8-d-t-8-d-3-l-o-9-p-h-0-8-p-u-2-7-4-w-1-k-.5-b-e-n-t-f-p-p-7-1-1-0-7-c-q-0-3-00-6-u-7-t-1-n-y-q-u-f-u.info"	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeBackupPrivilege	2712	svchost.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2000	b4367c1e20abec503e3e029349219ff1.exe
2020	winlogon.exe
2712	svchost.exe
2712	svchost.exe
2712	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2020	2000	b4367c1e20abec503e3e029349219ff1.exe	28
PID 2000 wrote to memory of 2020	2000	b4367c1e20abec503e3e029349219ff1.exe	28
PID 2000 wrote to memory of 2020	2000	b4367c1e20abec503e3e029349219ff1.exe	28
PID 2000 wrote to memory of 2020	2000	b4367c1e20abec503e3e029349219ff1.exe	28
PID 2020 wrote to memory of 2712	2020	winlogon.exe	29
PID 2020 wrote to memory of 2712	2020	winlogon.exe	29
PID 2020 wrote to memory of 2712	2020	winlogon.exe	29
PID 2020 wrote to memory of 2712	2020	winlogon.exe	29
PID 2020 wrote to memory of 2712	2020	winlogon.exe	29
PID 2020 wrote to memory of 2712	2020	winlogon.exe	29
PID 2020 wrote to memory of 2712	2020	winlogon.exe	29
PID 2020 wrote to memory of 2712	2020	winlogon.exe	29
PID 2020 wrote to memory of 2712	2020	winlogon.exe	29

C:\Users\Admin\AppData\Local\Temp\b4367c1e20abec503e3e029349219ff1.exe
"C:\Users\Admin\AppData\Local\Temp\b4367c1e20abec503e3e029349219ff1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\Admin1\winlogon.exe
  "C:\Users\Admin\Admin1\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\SysWOW64\svchost.exe
    0
    3⤵
    - Modifies visibility of file extensions in Explorer
    - Modifies visiblity of hidden/system files in Explorer
    - UAC bypass
    - Windows security bypass
    - Adds Run key to start application
    - Modifies Internet Explorer settings
    - Modifies Internet Explorer start page
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2712

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\Admin1\winlogon.exe

Filesize
196KB

MD5
b4367c1e20abec503e3e029349219ff1

SHA1
dc405b55fbe5244b78e3510a49366502d3f4c640

SHA256
09a11b820f5e99d2d3e6341a175b193735a5f2a24ded2c5c4c5e883b68a7fbfd

SHA512
092ce38e30588e32fcbceddb2b37eec639a75d3665d65ee9413b6ae471a02f735063ccec7b49cec3945e0d0f13953fda715295cfee3e569d92bac242490b3d58

Download Submit
memory/2000-0-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2000-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2000-7-0x0000000002650000-0x0000000002695000-memory.dmp

Filesize
276KB

Download
memory/2020-16-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2712-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2712-19-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2712-22-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2712-26-0x0000000003E60000-0x0000000004049000-memory.dmp

Filesize
1.9MB

Download
memory/2712-27-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads