235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 12:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe
Size

171KB
MD5

230965f195f0df7df0022b6060c873e0
SHA1

05c9f75559ab4c856a8a9f36ce9ab7989c304297
SHA256

235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df
SHA512

b71fbb4b779cf64d9ebdab85e1aef17060cb0c91e781e13eca269231ca14277c8b8f4cb5b6c69b35973c08cb891064071536f4734577cf7033b32f8637bc22fb
SSDEEP

3072:7sI+CkiTP3YdoOUgVI5pzPEm15hKJlgpJsyIBGmYYyEl:0CkiTP3dOUgVezPlThbMNEEl

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
536	Numamn.exe
1548	Numamn.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Numamn = "C:\\Users\\Admin\\AppData\\Roaming\\Numamn.exe"	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3964 set thread context of 1924	3964	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	82
PID 536 set thread context of 1548	536	Numamn.exe	84

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2695984382"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375803699"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30997936"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2695984382"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AE355B0C-69A3-11ED-919F-628A2E7D3C83} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30997936"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1924	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe
1924	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	Numamn.exe
Token: SeDebugPrivilege	1524	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4596	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4596	IEXPLORE.EXE
4596	IEXPLORE.EXE
1524	IEXPLORE.EXE
1524	IEXPLORE.EXE
1524	IEXPLORE.EXE
1524	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 1924	3964	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	82
PID 3964 wrote to memory of 1924	3964	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	82
PID 3964 wrote to memory of 1924	3964	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	82
PID 3964 wrote to memory of 1924	3964	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	82
PID 3964 wrote to memory of 1924	3964	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	82
PID 3964 wrote to memory of 1924	3964	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	82
PID 3964 wrote to memory of 1924	3964	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	82
PID 3964 wrote to memory of 1924	3964	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	82
PID 1924 wrote to memory of 536	1924	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	83
PID 1924 wrote to memory of 536	1924	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	83
PID 1924 wrote to memory of 536	1924	235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe	83
PID 536 wrote to memory of 1548	536	Numamn.exe	84
PID 536 wrote to memory of 1548	536	Numamn.exe	84
PID 536 wrote to memory of 1548	536	Numamn.exe	84
PID 536 wrote to memory of 1548	536	Numamn.exe	84
PID 536 wrote to memory of 1548	536	Numamn.exe	84
PID 536 wrote to memory of 1548	536	Numamn.exe	84
PID 536 wrote to memory of 1548	536	Numamn.exe	84
PID 536 wrote to memory of 1548	536	Numamn.exe	84
PID 1548 wrote to memory of 3076	1548	Numamn.exe	85
PID 1548 wrote to memory of 3076	1548	Numamn.exe	85
PID 1548 wrote to memory of 3076	1548	Numamn.exe	85
PID 3076 wrote to memory of 4596	3076	iexplore.exe	86
PID 3076 wrote to memory of 4596	3076	iexplore.exe	86
PID 4596 wrote to memory of 1524	4596	IEXPLORE.EXE	87
PID 4596 wrote to memory of 1524	4596	IEXPLORE.EXE	87
PID 4596 wrote to memory of 1524	4596	IEXPLORE.EXE	87
PID 1548 wrote to memory of 1524	1548	Numamn.exe	87
PID 1548 wrote to memory of 1524	1548	Numamn.exe	87

C:\Users\Admin\AppData\Local\Temp\235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe
"C:\Users\Admin\AppData\Local\Temp\235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3964
- C:\Users\Admin\AppData\Local\Temp\235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe
  C:\Users\Admin\AppData\Local\Temp\235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Users\Admin\AppData\Roaming\Numamn.exe
    "C:\Users\Admin\AppData\Roaming\Numamn.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:536
  - - C:\Users\Admin\AppData\Roaming\Numamn.exe
      C:\Users\Admin\AppData\Roaming\Numamn.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1548
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3076
      - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4596
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4596 CREDAT:17410 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:1524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Numamn.exe

Filesize
171KB

MD5
230965f195f0df7df0022b6060c873e0

SHA1
05c9f75559ab4c856a8a9f36ce9ab7989c304297

SHA256
235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df

SHA512
b71fbb4b779cf64d9ebdab85e1aef17060cb0c91e781e13eca269231ca14277c8b8f4cb5b6c69b35973c08cb891064071536f4734577cf7033b32f8637bc22fb

Download Submit
C:\Users\Admin\AppData\Roaming\Numamn.exe

Filesize
171KB

MD5
230965f195f0df7df0022b6060c873e0

SHA1
05c9f75559ab4c856a8a9f36ce9ab7989c304297

SHA256
235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df

SHA512
b71fbb4b779cf64d9ebdab85e1aef17060cb0c91e781e13eca269231ca14277c8b8f4cb5b6c69b35973c08cb891064071536f4734577cf7033b32f8637bc22fb

Download Submit
C:\Users\Admin\AppData\Roaming\Numamn.exe

Filesize
171KB

MD5
230965f195f0df7df0022b6060c873e0

SHA1
05c9f75559ab4c856a8a9f36ce9ab7989c304297

SHA256
235f6a7c6fa4211a8e5be84a6527d6bbdd7ef383ac5fdde0865c81212735c7df

SHA512
b71fbb4b779cf64d9ebdab85e1aef17060cb0c91e781e13eca269231ca14277c8b8f4cb5b6c69b35973c08cb891064071536f4734577cf7033b32f8637bc22fb

Download Submit
memory/536-146-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1548-148-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1548-149-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1924-137-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1924-136-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1924-141-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1924-133-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3964-135-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download