cd2f9988b46cefad6e96badc9e7018805c62af56a616c3d7200a3bec7ab86320

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
22/10/2023, 17:16

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General

Target

NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
Size

135KB
MD5

2c93c6014e7e24b2253a91a0ed3e5b20
SHA1

ee0dd1e6cf351e1feca39e69cb4896a0d8dbf0bc
SHA256

cd2f9988b46cefad6e96badc9e7018805c62af56a616c3d7200a3bec7ab86320
SHA512

139518c9fb860b5feda545fe3aad5601f2a9d09cbf5cf35e8148609cde42afde52bd6be403956bdc06080667e8b8df03084a4408f12b0af4811f012582da10a2
SSDEEP

1536:4fsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVgyO:4VqoCl/YgjxEufVU0TbTyDDalayO

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-1-5-21-3986878123-1347213090-2173403696-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3986878123-1347213090-2173403696-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2524	explorer.exe
2660	spoolsv.exe
2764	svchost.exe
2716	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
2524	explorer.exe
2660	spoolsv.exe
2764	svchost.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\\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.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.2c93c6014e7e24b2253a91a0ed3e5b20.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

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2104	schtasks.exe
2972	schtasks.exe
2848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2524	explorer.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2524	explorer.exe
2764	svchost.exe
2524	explorer.exe
2524	explorer.exe
2764	svchost.exe
2764	svchost.exe
2524	explorer.exe
2524	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2524	explorer.exe
2764	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
2524	explorer.exe
2524	explorer.exe
2660	spoolsv.exe
2660	spoolsv.exe
2764	svchost.exe
2764	svchost.exe
2716	spoolsv.exe
2716	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2524	1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe	28
PID 1064 wrote to memory of 2524	1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe	28
PID 1064 wrote to memory of 2524	1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe	28
PID 1064 wrote to memory of 2524	1064	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe	28
PID 2524 wrote to memory of 2660	2524	explorer.exe	29
PID 2524 wrote to memory of 2660	2524	explorer.exe	29
PID 2524 wrote to memory of 2660	2524	explorer.exe	29
PID 2524 wrote to memory of 2660	2524	explorer.exe	29
PID 2660 wrote to memory of 2764	2660	spoolsv.exe	30
PID 2660 wrote to memory of 2764	2660	spoolsv.exe	30
PID 2660 wrote to memory of 2764	2660	spoolsv.exe	30
PID 2660 wrote to memory of 2764	2660	spoolsv.exe	30
PID 2764 wrote to memory of 2716	2764	svchost.exe	31
PID 2764 wrote to memory of 2716	2764	svchost.exe	31
PID 2764 wrote to memory of 2716	2764	svchost.exe	31
PID 2764 wrote to memory of 2716	2764	svchost.exe	31
PID 2524 wrote to memory of 2892	2524	explorer.exe	32
PID 2524 wrote to memory of 2892	2524	explorer.exe	32
PID 2524 wrote to memory of 2892	2524	explorer.exe	32
PID 2524 wrote to memory of 2892	2524	explorer.exe	32
PID 2764 wrote to memory of 2104	2764	svchost.exe	33
PID 2764 wrote to memory of 2104	2764	svchost.exe	33
PID 2764 wrote to memory of 2104	2764	svchost.exe	33
PID 2764 wrote to memory of 2104	2764	svchost.exe	33
PID 2764 wrote to memory of 2972	2764	svchost.exe	38
PID 2764 wrote to memory of 2972	2764	svchost.exe	38
PID 2764 wrote to memory of 2972	2764	svchost.exe	38
PID 2764 wrote to memory of 2972	2764	svchost.exe	38
PID 2764 wrote to memory of 2848	2764	svchost.exe	40
PID 2764 wrote to memory of 2848	2764	svchost.exe	40
PID 2764 wrote to memory of 2848	2764	svchost.exe	40
PID 2764 wrote to memory of 2848	2764	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Loads dropped DLL
  - 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:2524
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2764
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:2716
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:35 /f
        5⤵
        Creates scheduled task(s)
        
        PID:2104
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:36 /f
        5⤵
        Creates scheduled task(s)
        
        PID:2972
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:37 /f
        5⤵
        Creates scheduled task(s)
        
        PID:2848
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

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
030b4257e878543bb48f483f61cd599e

SHA1
90e4afde9de837660570fc903ed5a62a140e115b

SHA256
5e229e262c53a67e5b3dfd98fe11908e57c9b0fe9ff72bfce68fdc4e8e25ab00

SHA512
899e857d929c481d44a47a4186a00cc151f9da89f7ffd3515d2db87036b104eb0773d28edf29f195581210e0b801c03b155434e1a756bea499c49edacee5dc97

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

Filesize
135KB

MD5
514a3a85667515260ec4585c421bee17

SHA1
829f595b30b21f5274a34c68f3ef580b332dfa9b

SHA256
abbc4a923aa47c3046c5b62d063a81764d41edadc405c14d4e653244ef7065ba

SHA512
fa0ef7be01f178979d40fa434b2d0c510bbf6df48229dbe953c9163a0811d87dfd093593c68b626c124d12ffdbda22fb0a193feb7f88cd41fc169fdb34a9813c

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

Filesize
135KB

MD5
514a3a85667515260ec4585c421bee17

SHA1
829f595b30b21f5274a34c68f3ef580b332dfa9b

SHA256
abbc4a923aa47c3046c5b62d063a81764d41edadc405c14d4e653244ef7065ba

SHA512
fa0ef7be01f178979d40fa434b2d0c510bbf6df48229dbe953c9163a0811d87dfd093593c68b626c124d12ffdbda22fb0a193feb7f88cd41fc169fdb34a9813c

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

Filesize
135KB

MD5
514a3a85667515260ec4585c421bee17

SHA1
829f595b30b21f5274a34c68f3ef580b332dfa9b

SHA256
abbc4a923aa47c3046c5b62d063a81764d41edadc405c14d4e653244ef7065ba

SHA512
fa0ef7be01f178979d40fa434b2d0c510bbf6df48229dbe953c9163a0811d87dfd093593c68b626c124d12ffdbda22fb0a193feb7f88cd41fc169fdb34a9813c

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

Filesize
135KB

MD5
09a4ba713536f342faa750e8a9e34d18

SHA1
5ecdb36c9885ab3449aa8f2c5db971efdf3b0ffa

SHA256
621e4bbccdbce379019e968e6a1dec91578a9c085aad1e87bcd5388b51fd0dca

SHA512
8489bf7dc2e2f2fbfb09e6179f17bb750e0ca125b118da44fa774a24c3c36de8aa4880d1b1ef11682ddc7b0a82d02fc510c110f2f3e9556ff159e4b465634f01

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

Filesize
135KB

MD5
514a3a85667515260ec4585c421bee17

SHA1
829f595b30b21f5274a34c68f3ef580b332dfa9b

SHA256
abbc4a923aa47c3046c5b62d063a81764d41edadc405c14d4e653244ef7065ba

SHA512
fa0ef7be01f178979d40fa434b2d0c510bbf6df48229dbe953c9163a0811d87dfd093593c68b626c124d12ffdbda22fb0a193feb7f88cd41fc169fdb34a9813c

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

Filesize
135KB

MD5
09a4ba713536f342faa750e8a9e34d18

SHA1
5ecdb36c9885ab3449aa8f2c5db971efdf3b0ffa

SHA256
621e4bbccdbce379019e968e6a1dec91578a9c085aad1e87bcd5388b51fd0dca

SHA512
8489bf7dc2e2f2fbfb09e6179f17bb750e0ca125b118da44fa774a24c3c36de8aa4880d1b1ef11682ddc7b0a82d02fc510c110f2f3e9556ff159e4b465634f01

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

Filesize
135KB

MD5
030b4257e878543bb48f483f61cd599e

SHA1
90e4afde9de837660570fc903ed5a62a140e115b

SHA256
5e229e262c53a67e5b3dfd98fe11908e57c9b0fe9ff72bfce68fdc4e8e25ab00

SHA512
899e857d929c481d44a47a4186a00cc151f9da89f7ffd3515d2db87036b104eb0773d28edf29f195581210e0b801c03b155434e1a756bea499c49edacee5dc97

Download Submit
\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
030b4257e878543bb48f483f61cd599e

SHA1
90e4afde9de837660570fc903ed5a62a140e115b

SHA256
5e229e262c53a67e5b3dfd98fe11908e57c9b0fe9ff72bfce68fdc4e8e25ab00

SHA512
899e857d929c481d44a47a4186a00cc151f9da89f7ffd3515d2db87036b104eb0773d28edf29f195581210e0b801c03b155434e1a756bea499c49edacee5dc97

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
514a3a85667515260ec4585c421bee17

SHA1
829f595b30b21f5274a34c68f3ef580b332dfa9b

SHA256
abbc4a923aa47c3046c5b62d063a81764d41edadc405c14d4e653244ef7065ba

SHA512
fa0ef7be01f178979d40fa434b2d0c510bbf6df48229dbe953c9163a0811d87dfd093593c68b626c124d12ffdbda22fb0a193feb7f88cd41fc169fdb34a9813c

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
514a3a85667515260ec4585c421bee17

SHA1
829f595b30b21f5274a34c68f3ef580b332dfa9b

SHA256
abbc4a923aa47c3046c5b62d063a81764d41edadc405c14d4e653244ef7065ba

SHA512
fa0ef7be01f178979d40fa434b2d0c510bbf6df48229dbe953c9163a0811d87dfd093593c68b626c124d12ffdbda22fb0a193feb7f88cd41fc169fdb34a9813c

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
09a4ba713536f342faa750e8a9e34d18

SHA1
5ecdb36c9885ab3449aa8f2c5db971efdf3b0ffa

SHA256
621e4bbccdbce379019e968e6a1dec91578a9c085aad1e87bcd5388b51fd0dca

SHA512
8489bf7dc2e2f2fbfb09e6179f17bb750e0ca125b118da44fa774a24c3c36de8aa4880d1b1ef11682ddc7b0a82d02fc510c110f2f3e9556ff159e4b465634f01

Download Submit
memory/1064-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1064-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2524-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2660-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2716-40-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2764-35-0x0000000000290000-0x00000000002AF000-memory.dmp

Filesize
124KB

Download
memory/2764-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download