64ef539c620423838fcb48120111f9b18c1e055d56738066779eeba3abd5a296

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2024, 20:27

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General

Target

c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe
Size

66KB
MD5

c5be2eaed2a940fa4b3545322ebac4a0
SHA1

280c79589508cc336c6b3bfe424c8e00b9ea3637
SHA256

64ef539c620423838fcb48120111f9b18c1e055d56738066779eeba3abd5a296
SHA512

82023191c21adb460c967c3b4df57210a8bdd9efea84a882d7d4c9a2232bdf9f9d61e2b8f3c200f5a85f8c2f6d34c066adb3f5944b5f5be47751fa5252751c2c
SSDEEP

1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXi511111111111111111111e:IeklMMYJhqezw/pXzH9i51111111111y

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Detects BazaLoader malware 1 IoCs

BazaLoader is a trojan that transmits logs to the Command and Control (C2) server, encoding them in BASE64 format through GET requests.

trojan

resource	yara_rule
behavioral2/memory/3864-38-0x00000000753C0000-0x000000007551D000-memory.dmp	BazaLoader

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-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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
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
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

Executes dropped EXE 4 IoCs

pid	Process
4944	explorer.exe
1096	spoolsv.exe
3864	svchost.exe
1740	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\\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	explorer.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.exe
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	c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.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
2660	c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe
2660	c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe
4944	explorer.exe
4944	explorer.exe
4944	explorer.exe
4944	explorer.exe
4944	explorer.exe
4944	explorer.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe
3864	svchost.exe
3864	svchost.exe
4944	explorer.exe
4944	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4944	explorer.exe
3864	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2660	c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe
2660	c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe
4944	explorer.exe
4944	explorer.exe
1096	spoolsv.exe
1096	spoolsv.exe
3864	svchost.exe
3864	svchost.exe
1740	spoolsv.exe
1740	spoolsv.exe
4944	explorer.exe
4944	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 4944	2660	c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe	83
PID 2660 wrote to memory of 4944	2660	c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe	83
PID 2660 wrote to memory of 4944	2660	c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe	83
PID 4944 wrote to memory of 1096	4944	explorer.exe	84
PID 4944 wrote to memory of 1096	4944	explorer.exe	84
PID 4944 wrote to memory of 1096	4944	explorer.exe	84
PID 1096 wrote to memory of 3864	1096	spoolsv.exe	85
PID 1096 wrote to memory of 3864	1096	spoolsv.exe	85
PID 1096 wrote to memory of 3864	1096	spoolsv.exe	85
PID 3864 wrote to memory of 1740	3864	svchost.exe	86
PID 3864 wrote to memory of 1740	3864	svchost.exe	86
PID 3864 wrote to memory of 1740	3864	svchost.exe	86
PID 3864 wrote to memory of 3976	3864	svchost.exe	88
PID 3864 wrote to memory of 3976	3864	svchost.exe	88
PID 3864 wrote to memory of 3976	3864	svchost.exe	88
PID 3864 wrote to memory of 2596	3864	svchost.exe	105
PID 3864 wrote to memory of 2596	3864	svchost.exe	105
PID 3864 wrote to memory of 2596	3864	svchost.exe	105
PID 3864 wrote to memory of 1560	3864	svchost.exe	114
PID 3864 wrote to memory of 1560	3864	svchost.exe	114
PID 3864 wrote to memory of 1560	3864	svchost.exe	114

C:\Users\Admin\AppData\Local\Temp\c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\c5be2eaed2a940fa4b3545322ebac4a0_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2660
- \??\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:4944
- - \??\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:1096
  - - \??\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:3864
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:1740
    - - C:\Windows\SysWOW64\at.exe
        
        at 20:29 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:3976
    - - C:\Windows\SysWOW64\at.exe
        
        at 20:30 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:2596
    - - C:\Windows\SysWOW64\at.exe
        
        at 20:31 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1560

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

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Downloads

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

Filesize
66KB

MD5
f7a17cc89d5d4b6e6aaf22525857eaf2

SHA1
600996e880b03baef208347bf4968f5d1c180728

SHA256
bcd184b5cb330ac746f4ecd2b3654840eb724aba3c8adefef1f64e79df71a3d9

SHA512
dc4e1f848b37ab7e82bc1067d6114394600e59f9ec414dd8d7ac96e154fe5126d0c7359c739b7edc4fdcae3bf63d7c93450e604c530b8fedac23e68f80e8591e

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

Filesize
66KB

MD5
1f5d1a4b428bf445b59a7fddf51a33c9

SHA1
0e5dfabc2e3a4f75472843c56d2c3b8826218469

SHA256
4a415aec7deeaa191620ad55f9d730115d1ecf638504f681506300ce8231f617

SHA512
9d58d8c7b45d1dd4b4db744254729df5f10ca9436904439934c29dcb56f36ef5d603ff104c34312abbc018873f8e37c63d69b2b65e1871ce8b35b885339a1df4

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

Filesize
66KB

MD5
1653662b54956cc7de6cc9ad4ef3cb25

SHA1
e68db818fa2692250b5388d54ea63861166abbc6

SHA256
c267547e7bbc7bef5aa79f1b1ed9d28405a6153ce9abb148f68c0d31af704b9a

SHA512
4e5272b6e36aae431d63a07fb67b2b0f9ada35aae731ec64bb42e857ee6c35a4ab7b52ce73ba2231c4a4a2c4ed5ddae3fa7b9cf27eff3175b4f21d55c6aba7e3

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

Filesize
66KB

MD5
675ad07ed43cbb09f583dc8dde6a54c4

SHA1
684b3aa6c0483283aa1f59978202cd7f8f089907

SHA256
95863b54e0eaa412685eded7fd28f3d911059e5308dc127a0d075fb29571adbb

SHA512
0a1c7843eb11176f4fbf2342344bfcbc71492664fff911043cd859e61097dc7f2fac0dc9b91292dc5d3898b745d53575b044785b8bedb030f49245efeeb61b1e

Download Submit
memory/1096-26-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1096-55-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1096-32-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1096-27-0x00000000753C0000-0x000000007551D000-memory.dmp

Filesize
1.4MB

Download
memory/1740-51-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1740-45-0x00000000753C0000-0x000000007551D000-memory.dmp

Filesize
1.4MB

Download
memory/2660-5-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/2660-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2660-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/2660-57-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2660-2-0x00000000753C0000-0x000000007551D000-memory.dmp

Filesize
1.4MB

Download
memory/2660-58-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/2660-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3864-43-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3864-38-0x00000000753C0000-0x000000007551D000-memory.dmp

Filesize
1.4MB

Download
memory/3864-62-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4944-14-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4944-15-0x00000000753C0000-0x000000007551D000-memory.dmp

Filesize
1.4MB

Download
memory/4944-17-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4944-13-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4944-60-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4944-71-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download