6855231b153d3ca40a5981c0ddce3845bf2896efbe59e2f762f786acc7cd9fe0

Analysis

max time kernel
210s
max time network
230s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2023 23:23

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General

Target

NEAS.4124ecb309aecaad72e04ee68d48b300.exe
Size

135KB
MD5

4124ecb309aecaad72e04ee68d48b300
SHA1

eeead9c39a8cc09b107fdd3159867fe71c0d3233
SHA256

6855231b153d3ca40a5981c0ddce3845bf2896efbe59e2f762f786acc7cd9fe0
SHA512

a8cc34968b3280e9b1ea75a055bb26a25cc0dab69951a40086ecf70da055dcb0f97012ff230cc38b0ac0fc4aa816d288ade18eca1beeb68996a8ca1d616cee33
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbV89:UVqoCl/YgjxEufVU0TbTyDDalS9

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

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
4092	explorer.exe
1908	spoolsv.exe
4792	svchost.exe
3392	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\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe
4092	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4092	explorer.exe
4792	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
4092	explorer.exe
4092	explorer.exe
1908	spoolsv.exe
1908	spoolsv.exe
4792	svchost.exe
4792	svchost.exe
3392	spoolsv.exe
3392	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 4092	4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe	90
PID 4496 wrote to memory of 4092	4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe	90
PID 4496 wrote to memory of 4092	4496	NEAS.4124ecb309aecaad72e04ee68d48b300.exe	90
PID 4092 wrote to memory of 1908	4092	explorer.exe	92
PID 4092 wrote to memory of 1908	4092	explorer.exe	92
PID 4092 wrote to memory of 1908	4092	explorer.exe	92
PID 1908 wrote to memory of 4792	1908	spoolsv.exe	93
PID 1908 wrote to memory of 4792	1908	spoolsv.exe	93
PID 1908 wrote to memory of 4792	1908	spoolsv.exe	93
PID 4792 wrote to memory of 3392	4792	svchost.exe	95
PID 4792 wrote to memory of 3392	4792	svchost.exe	95
PID 4792 wrote to memory of 3392	4792	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\NEAS.4124ecb309aecaad72e04ee68d48b300.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4124ecb309aecaad72e04ee68d48b300.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4496
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4092
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1908
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4792
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:3392

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
f11d5d9de23c03471fc6902783e10a9e

SHA1
aa514ec1afe419ffa8090ff784fe881013f5a6d0

SHA256
53bbad316dd72ddc45a530b44956a476da8382e223a21a1d52791ee6a6b55089

SHA512
1dae9c87bf45607b26ee36722a8b7721bea5191a9ca3592beef01d1c8c52e5575abef8a3f6a1ac43da64526f5ef5f5187f27d8d16f3c117e8ad4232d30e8bd2d

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

Filesize
135KB

MD5
0fa994dff3f09b5de0465f1176b90da0

SHA1
cc0707e654642641895223f1f43bc93e662f1c5d

SHA256
65c99182ad8fc4ef016b033274dd11764be2d323bba40371d674188c526f575d

SHA512
27c0da323d7b310baaa977068771756375a5ef000d9ca7f2de45dec5b792ff8e3326e1f4892ddad0a08d6f89e19c741652524492865c8f7e3eda282d98f60d11

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

Filesize
135KB

MD5
0fa994dff3f09b5de0465f1176b90da0

SHA1
cc0707e654642641895223f1f43bc93e662f1c5d

SHA256
65c99182ad8fc4ef016b033274dd11764be2d323bba40371d674188c526f575d

SHA512
27c0da323d7b310baaa977068771756375a5ef000d9ca7f2de45dec5b792ff8e3326e1f4892ddad0a08d6f89e19c741652524492865c8f7e3eda282d98f60d11

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

Filesize
135KB

MD5
0fa994dff3f09b5de0465f1176b90da0

SHA1
cc0707e654642641895223f1f43bc93e662f1c5d

SHA256
65c99182ad8fc4ef016b033274dd11764be2d323bba40371d674188c526f575d

SHA512
27c0da323d7b310baaa977068771756375a5ef000d9ca7f2de45dec5b792ff8e3326e1f4892ddad0a08d6f89e19c741652524492865c8f7e3eda282d98f60d11

Download Submit
C:\Windows\Resources\svchost.exe

Filesize
135KB

MD5
186c77311f345553db2f2059cba47127

SHA1
6268451650c09673e96945eef705a1b08eaef10a

SHA256
cad4bfa889f118d6e0295cce7b631839d78cf9dc8bf16c9ea013761b3db3954e

SHA512
9b3d5bdfe41a8692d9740efbb741fbef6d8abf69fdeeb8c35d4b2e87f7325e87faeed7fa0a0ba5ec0cb0cb42ae4b6445552e40bcdbfdb35cdce2b3916a0f686a

Download Submit
\??\c:\windows\resources\spoolsv.exe

Filesize
135KB

MD5
0fa994dff3f09b5de0465f1176b90da0

SHA1
cc0707e654642641895223f1f43bc93e662f1c5d

SHA256
65c99182ad8fc4ef016b033274dd11764be2d323bba40371d674188c526f575d

SHA512
27c0da323d7b310baaa977068771756375a5ef000d9ca7f2de45dec5b792ff8e3326e1f4892ddad0a08d6f89e19c741652524492865c8f7e3eda282d98f60d11

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

Filesize
135KB

MD5
186c77311f345553db2f2059cba47127

SHA1
6268451650c09673e96945eef705a1b08eaef10a

SHA256
cad4bfa889f118d6e0295cce7b631839d78cf9dc8bf16c9ea013761b3db3954e

SHA512
9b3d5bdfe41a8692d9740efbb741fbef6d8abf69fdeeb8c35d4b2e87f7325e87faeed7fa0a0ba5ec0cb0cb42ae4b6445552e40bcdbfdb35cdce2b3916a0f686a

Download Submit
\??\c:\windows\resources\themes\explorer.exe

Filesize
135KB

MD5
f11d5d9de23c03471fc6902783e10a9e

SHA1
aa514ec1afe419ffa8090ff784fe881013f5a6d0

SHA256
53bbad316dd72ddc45a530b44956a476da8382e223a21a1d52791ee6a6b55089

SHA512
1dae9c87bf45607b26ee36722a8b7721bea5191a9ca3592beef01d1c8c52e5575abef8a3f6a1ac43da64526f5ef5f5187f27d8d16f3c117e8ad4232d30e8bd2d

Download Submit
memory/1908-17-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1908-34-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3392-33-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4496-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4496-35-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download