6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5

Analysis

max time kernel
150s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09/06/2024, 01:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe
Size

65KB
MD5

dabe7c8360385d6cfdd4a8024e4681e4
SHA1

ed478b3f38d989aa4d283274104b2f264bd20839
SHA256

6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5
SHA512

e28e3e79ac06ef9b7a87e7344600433710efeabf18ecab4781d9f6f25d416f27274189320fde203effaf522d1142b6379dfb49c78d6d0ec14c3da03a0a064902
SSDEEP

1536:ECq3yRuqrI01eArdW/O7JnI2e13XiLij40MkTUVqa/Ou6999999999999999999f:7WNqkOJWmo1HpM0MkTUmu6999999999d

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	svchost.exe

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

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Modifies Installed Components in the registry 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2964	explorer.exe
4964	spoolsv.exe
2900	svchost.exe
2032	spoolsv.exe

Adds Run key to start application 2 TTPs 4 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\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	svchost.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\system\explorer.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	svchost.exe
File opened for modification	C:\Windows\system\udsys.exe	explorer.exe
File opened for modification	\??\c:\windows\system\explorer.exe	6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2424	6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe
2424	6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe
2964	explorer.exe
2964	explorer.exe
2964	explorer.exe
2964	explorer.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe
2964	explorer.exe
2964	explorer.exe
2900	svchost.exe
2900	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2964	explorer.exe
2900	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2424	6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe
2424	6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe
2964	explorer.exe
2964	explorer.exe
4964	spoolsv.exe
4964	spoolsv.exe
2900	svchost.exe
2900	svchost.exe
2032	spoolsv.exe
2032	spoolsv.exe
2964	explorer.exe
2964	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2964	2424	6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe	82
PID 2424 wrote to memory of 2964	2424	6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe	82
PID 2424 wrote to memory of 2964	2424	6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe	82
PID 2964 wrote to memory of 4964	2964	explorer.exe	84
PID 2964 wrote to memory of 4964	2964	explorer.exe	84
PID 2964 wrote to memory of 4964	2964	explorer.exe	84
PID 4964 wrote to memory of 2900	4964	spoolsv.exe	85
PID 4964 wrote to memory of 2900	4964	spoolsv.exe	85
PID 4964 wrote to memory of 2900	4964	spoolsv.exe	85
PID 2900 wrote to memory of 2032	2900	svchost.exe	87
PID 2900 wrote to memory of 2032	2900	svchost.exe	87
PID 2900 wrote to memory of 2032	2900	svchost.exe	87
PID 2900 wrote to memory of 3356	2900	svchost.exe	89
PID 2900 wrote to memory of 3356	2900	svchost.exe	89
PID 2900 wrote to memory of 3356	2900	svchost.exe	89
PID 2900 wrote to memory of 2464	2900	svchost.exe	99
PID 2900 wrote to memory of 2464	2900	svchost.exe	99
PID 2900 wrote to memory of 2464	2900	svchost.exe	99
PID 2900 wrote to memory of 1956	2900	svchost.exe	101
PID 2900 wrote to memory of 1956	2900	svchost.exe	101
PID 2900 wrote to memory of 1956	2900	svchost.exe	101

C:\Users\Admin\AppData\Local\Temp\6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe
"C:\Users\Admin\AppData\Local\Temp\6ae8b56011c221d0a39d8dc845b2a5da940ca60489a4d544b1f58cfa4bf8a9c5.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424
- \??\c:\windows\system\explorer.exe
  c:\windows\system\explorer.exe
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - Modifies Installed Components in the registry
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2964
- - \??\c:\windows\system\spoolsv.exe
    c:\windows\system\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4964
  - - \??\c:\windows\system\svchost.exe
      c:\windows\system\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Modifies visiblity of hidden/system files in Explorer
      Modifies Installed Components in the registry
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2900
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:2032
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:39 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:3356
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:40 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:2464
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:41 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1956

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
65KB

MD5
29b3224679af49bab6bcbf494b391247

SHA1
035ee261022adaa9d03b5968b17facce92d110a1

SHA256
005e47ff90af1efc31acc9056f8aa00b7e5e08481d7edcf8c869bfad1e71c00a

SHA512
776c6dd6930c75a65acd211ece6bb6a1e2fdde6525d0ecb37ea329e082ea1f79491cd378b10eed1a2627a82ca5689fd78b8966b453321d79cfbc69826c59b409

Download Submit
C:\Windows\System\spoolsv.exe

Filesize
65KB

MD5
317d85a032684ff4a96694e5401aa577

SHA1
3503bc31e6ab05e3c3775548015943df5db2aeeb

SHA256
ce531d52cde94e9195775b206699b33053625bf475775ea217bbd7dbb16b9524

SHA512
a604f157f79b8d6f5e2ee1298502bfa6df7416979c46373218ebe28abfaee533809330a7ef497d5c4154920ab325a823dc8db18104f90f788e4ca942efff8dd1

Download Submit
\??\c:\windows\system\explorer.exe

Filesize
65KB

MD5
cea537ba14f6a8dcaecc4a8a35c49f16

SHA1
f61d4c820fc27e06f1102042eb849a41f5165fbd

SHA256
7362a4c2dd820f24f34feff36cf69bcb613ef45c52e63947110d68332471d132

SHA512
2e1519ff9f79fb753b185fe994b188f15785a7deb8891b558ad062904e6f1daddaf79d74febc863bc1967a86dbbc68e2029a73d55f312f8f2979a50820d4c8ac

Download Submit
\??\c:\windows\system\svchost.exe

Filesize
65KB

MD5
9b688bce4c2fa89dcc4ee76a8f746ba8

SHA1
34fdee1f1e34ca328cdec3a5c6cf8ca8312c3404

SHA256
bf350bd324a6277812d9edf970b01b65b3fa9f89f8c45e777945abb2843d6fa0

SHA512
0b86e10400a94d1b73acc66fde5bad1050b8445d51fc04122e96a97b68286b17fd49b1a83edb878e114398d95a4ff4db5209b1eee8557218e21c8e44c97f3da4

Download Submit
memory/2032-45-0x0000000074B30000-0x0000000074C8D000-memory.dmp

Filesize
1.4MB

Download
memory/2032-50-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2424-6-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/2424-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2424-58-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/2424-57-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2424-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2424-2-0x0000000074B30000-0x0000000074C8D000-memory.dmp

Filesize
1.4MB

Download
memory/2424-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/2900-60-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2900-39-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2900-37-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2900-41-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2900-36-0x0000000074B30000-0x0000000074C8D000-memory.dmp

Filesize
1.4MB

Download
memory/2964-19-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2964-14-0x0000000074B30000-0x0000000074C8D000-memory.dmp

Filesize
1.4MB

Download
memory/2964-13-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2964-59-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2964-69-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4964-54-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4964-25-0x0000000074B30000-0x0000000074C8D000-memory.dmp

Filesize
1.4MB

Download
memory/4964-29-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download