51a6baae536bc1f992b146be605ddb3b3fc0dcd81432d8a483088835d76ac0d8

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/12/2024, 12:23

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General

Target

AntiPubs Dork Searcher EZ/._cache_Searcher.exe
Size

7.0MB
MD5

15eb4b61e2e64ac84925535dc5ffe8de
SHA1

b95491efa58261ca585878238fa24d98fae41287
SHA256

3b28aaf3dd8ea9623ab80e4f567e65b8bb5db686b129f27f6d9bc0907f2ed289
SHA512

489751c78f8aded9a4b77eada0cccedab4d0faf50443607e17d81f65856ff77ad2842cb2ba5002e377c48fff441d86d38f74273367353fc2572a80ff980c14b5
SSDEEP

98304:JyldpqU5s+h9oK4MtPSXDjLWdNo/v5LlCKly37gjA1tCJa8IRku6Fml2u:JyldD5smuMQDfUi/vXgIa8IRkZI2u

Score

10^/10

discovery 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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Executes dropped EXE 6 IoCs

pid	Process
2532	._cache_searcher.exe
2700	icsys.icn.exe
2808	explorer.exe
2948	spoolsv.exe
2844	svchost.exe
2908	spoolsv.exe

Loads dropped DLL 6 IoCs

pid	Process
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2700	icsys.icn.exe
2808	explorer.exe
2948	spoolsv.exe
2844	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	svchost.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	._cache_Searcher.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.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

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_searcher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Searcher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2620	schtasks.exe
2472	schtasks.exe
576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2808	explorer.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2808	explorer.exe
2844	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2368	._cache_Searcher.exe
2368	._cache_Searcher.exe
2700	icsys.icn.exe
2700	icsys.icn.exe
2808	explorer.exe
2808	explorer.exe
2948	spoolsv.exe
2948	spoolsv.exe
2844	svchost.exe
2844	svchost.exe
2908	spoolsv.exe
2908	spoolsv.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2532	2368	._cache_Searcher.exe	30
PID 2368 wrote to memory of 2532	2368	._cache_Searcher.exe	30
PID 2368 wrote to memory of 2532	2368	._cache_Searcher.exe	30
PID 2368 wrote to memory of 2532	2368	._cache_Searcher.exe	30
PID 2368 wrote to memory of 2700	2368	._cache_Searcher.exe	31
PID 2368 wrote to memory of 2700	2368	._cache_Searcher.exe	31
PID 2368 wrote to memory of 2700	2368	._cache_Searcher.exe	31
PID 2368 wrote to memory of 2700	2368	._cache_Searcher.exe	31
PID 2700 wrote to memory of 2808	2700	icsys.icn.exe	32
PID 2700 wrote to memory of 2808	2700	icsys.icn.exe	32
PID 2700 wrote to memory of 2808	2700	icsys.icn.exe	32
PID 2700 wrote to memory of 2808	2700	icsys.icn.exe	32
PID 2808 wrote to memory of 2948	2808	explorer.exe	33
PID 2808 wrote to memory of 2948	2808	explorer.exe	33
PID 2808 wrote to memory of 2948	2808	explorer.exe	33
PID 2808 wrote to memory of 2948	2808	explorer.exe	33
PID 2948 wrote to memory of 2844	2948	spoolsv.exe	34
PID 2948 wrote to memory of 2844	2948	spoolsv.exe	34
PID 2948 wrote to memory of 2844	2948	spoolsv.exe	34
PID 2948 wrote to memory of 2844	2948	spoolsv.exe	34
PID 2844 wrote to memory of 2908	2844	svchost.exe	35
PID 2844 wrote to memory of 2908	2844	svchost.exe	35
PID 2844 wrote to memory of 2908	2844	svchost.exe	35
PID 2844 wrote to memory of 2908	2844	svchost.exe	35
PID 2808 wrote to memory of 2612	2808	explorer.exe	36
PID 2808 wrote to memory of 2612	2808	explorer.exe	36
PID 2808 wrote to memory of 2612	2808	explorer.exe	36
PID 2808 wrote to memory of 2612	2808	explorer.exe	36
PID 2844 wrote to memory of 2620	2844	svchost.exe	37
PID 2844 wrote to memory of 2620	2844	svchost.exe	37
PID 2844 wrote to memory of 2620	2844	svchost.exe	37
PID 2844 wrote to memory of 2620	2844	svchost.exe	37
PID 2844 wrote to memory of 2472	2844	svchost.exe	42
PID 2844 wrote to memory of 2472	2844	svchost.exe	42
PID 2844 wrote to memory of 2472	2844	svchost.exe	42
PID 2844 wrote to memory of 2472	2844	svchost.exe	42
PID 2844 wrote to memory of 576	2844	svchost.exe	44
PID 2844 wrote to memory of 576	2844	svchost.exe	44
PID 2844 wrote to memory of 576	2844	svchost.exe	44
PID 2844 wrote to memory of 576	2844	svchost.exe	44

C:\Users\Admin\AppData\Local\Temp\AntiPubs Dork Searcher EZ\._cache_Searcher.exe
"C:\Users\Admin\AppData\Local\Temp\AntiPubs Dork Searcher EZ\._cache_Searcher.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368
- \??\c:\users\admin\appdata\local\temp\antipubs dork searcher ez\._cache_searcher.exe
  "c:\users\admin\appdata\local\temp\antipubs dork searcher ez\._cache_searcher.exe "
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2532
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2700
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2808
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2948
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        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
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2844
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:2908
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 12:26 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2620
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 12:27 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2472
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 12:28 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:576
  - - C:\Windows\Explorer.exe
      C:\Windows\Explorer.exe
      4⤵
      PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
bb38812e659c3d728f409ba8206da43e

SHA1
231777c045c807c20eb964c5a8714e1de9e4302b

SHA256
9eee738a0be74282659e61da2764f358cd5db063019bab247d513b5b63af748f

SHA512
91854244be2838e0efa5f3566ce3a4518484ab71fff5f06b86ef0b1309cb9e8dc988d63b0d35e54a6c7515b0c1cea9b95bbdfd469415459a46c58e96ed42a2fc

Download Submit
\Users\Admin\AppData\Local\Temp\AntiPubs Dork Searcher EZ\._cache_searcher.exe

Filesize
6.8MB

MD5
d4b43b2ce490d8786ccde6debcad2251

SHA1
e88d0c6b5c336ee7c03e145532a6ce44db28af90

SHA256
3aad4931bc76e1d654e5fe3fc6a1a10277b0d66190a8547782a3d7fa117ccc27

SHA512
8bff940911e750f06c76c724b92de0753f4089d92f95e5d3d3659de3869a91908c6de25e480a0101d8149fcc881b71f585c39a2e9206393bb89f1f5e43bdda46

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

Filesize
135KB

MD5
30b356724669ee6d2599df754443b21e

SHA1
581856a7e4367c088faeb99132ac6a9f4faef6ce

SHA256
a6629bfc794f7513604612edc6a16fe9ff2b3e7a01738fec93d743327b81652d

SHA512
cf9a4709719ae8b6a1c28c915e8035cb9cacade62c7888eea2658ecb639537206f397ab38ff241f6fa965e435b8160ab4482f6b2d9f43a475f0bdc829cedc7e3

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
8bc314eacc0c908bc18740a074e2e25d

SHA1
cfb522ffa2c08530f9cd10039e0a6ad08f6d2ce9

SHA256
6c9eab8a8a8f456abb805428e06a1317d66a75b10f7e5fda196c7da437bba11e

SHA512
60e9d324397963e48f54856ce65fcd76374908bac6919f380b6023e7cc72cef4c35b5c36cf76acd1b06f34c607ec6814a91a89df66939a85c03407dcd5956a6d

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
11a62e327e82ae88a9635de56d8813fd

SHA1
37188d68b0a72b4fa751a725bea930a386b5f133

SHA256
8a0ebf1b392959754c53b8a026931ac5a48b10f69c2320a0fb9a79083d7877be

SHA512
94d20b9bce32b25e432b3b70c74add932a68a1a92cc31a872f7ec76dd22066b46211dd71794053e603103a9dcae227f6ef189ff9aa61ff49edc4254438783a0e

Download Submit
memory/2368-69-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2368-19-0x00000000003A0000-0x00000000003BF000-memory.dmp

Filesize
124KB

Download
memory/2368-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2532-16-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-64-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-14-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2532-72-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/2532-71-0x0000000000B20000-0x0000000000B36000-memory.dmp

Filesize
88KB

Download
memory/2532-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2532-12-0x00000000011E0000-0x00000000018B8000-memory.dmp

Filesize
6.8MB

Download
memory/2532-11-0x0000000073C4E000-0x0000000073C4F000-memory.dmp

Filesize
4KB

Download
memory/2532-60-0x0000000073C4E000-0x0000000073C4F000-memory.dmp

Filesize
4KB

Download
memory/2532-15-0x00000000004E0000-0x0000000000500000-memory.dmp

Filesize
128KB

Download
memory/2700-70-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2700-31-0x0000000000510000-0x000000000052F000-memory.dmp

Filesize
124KB

Download
memory/2808-41-0x00000000005F0000-0x000000000060F000-memory.dmp

Filesize
124KB

Download
memory/2808-73-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2844-74-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2844-75-0x0000000000200000-0x000000000021F000-memory.dmp

Filesize
124KB

Download
memory/2908-67-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2908-65-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2948-68-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2948-53-0x00000000002C0000-0x00000000002DF000-memory.dmp

Filesize
124KB

Download