62d7ffee1160f332be5a1031c236f0088f02a2915eb4c22dd3475a81f93ed219

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2024, 03:50

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General

Target

751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe
Size

66KB
MD5

751dd87e2d9386c084b1c5a37606f8e0
SHA1

822c1b5e3bf75c4aaf3dc005ba1a39fb5432ed09
SHA256

62d7ffee1160f332be5a1031c236f0088f02a2915eb4c22dd3475a81f93ed219
SHA512

970c02f1ada79b3ea3e4ae4adbc5fca6a23f43e10b5faa4b2625c45927d9850a0228916dc549fef31498b2e1cb5462d0aefa97b5a870322fc01c22040829503f
SSDEEP

1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXi1:IeklMMYJhqezw/pXzH9i1

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/3040-36-0x0000000075350000-0x00000000754AD000-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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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}	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
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

Executes dropped EXE 4 IoCs

pid	Process
2592	explorer.exe
4716	spoolsv.exe
3040	svchost.exe
3656	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	751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
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

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
4364	751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe
4364	751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
3040	svchost.exe
3040	svchost.exe
3040	svchost.exe
3040	svchost.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
3040	svchost.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
3040	svchost.exe
3040	svchost.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
3040	svchost.exe
3040	svchost.exe
2592	explorer.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
3040	svchost.exe
2592	explorer.exe
2592	explorer.exe
3040	svchost.exe
3040	svchost.exe
3040	svchost.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe
2592	explorer.exe
3040	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2592	explorer.exe
3040	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4364	751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe
4364	751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe
2592	explorer.exe
2592	explorer.exe
4716	spoolsv.exe
4716	spoolsv.exe
3040	svchost.exe
3040	svchost.exe
3656	spoolsv.exe
3656	spoolsv.exe
2592	explorer.exe
2592	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 2592	4364	751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe	82
PID 4364 wrote to memory of 2592	4364	751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe	82
PID 4364 wrote to memory of 2592	4364	751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe	82
PID 2592 wrote to memory of 4716	2592	explorer.exe	83
PID 2592 wrote to memory of 4716	2592	explorer.exe	83
PID 2592 wrote to memory of 4716	2592	explorer.exe	83
PID 4716 wrote to memory of 3040	4716	spoolsv.exe	84
PID 4716 wrote to memory of 3040	4716	spoolsv.exe	84
PID 4716 wrote to memory of 3040	4716	spoolsv.exe	84
PID 3040 wrote to memory of 3656	3040	svchost.exe	86
PID 3040 wrote to memory of 3656	3040	svchost.exe	86
PID 3040 wrote to memory of 3656	3040	svchost.exe	86
PID 3040 wrote to memory of 1120	3040	svchost.exe	88
PID 3040 wrote to memory of 1120	3040	svchost.exe	88
PID 3040 wrote to memory of 1120	3040	svchost.exe	88
PID 3040 wrote to memory of 2112	3040	svchost.exe	96
PID 3040 wrote to memory of 2112	3040	svchost.exe	96
PID 3040 wrote to memory of 2112	3040	svchost.exe	96
PID 3040 wrote to memory of 2188	3040	svchost.exe	99
PID 3040 wrote to memory of 2188	3040	svchost.exe	99
PID 3040 wrote to memory of 2188	3040	svchost.exe	99

C:\Users\Admin\AppData\Local\Temp\751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\751dd87e2d9386c084b1c5a37606f8e0_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4364
- \??\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:2592
- - \??\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:4716
  - - \??\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:3040
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:3656
    - - C:\Windows\SysWOW64\at.exe
        
        at 03:52 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1120
    - - C:\Windows\SysWOW64\at.exe
        
        at 03:53 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:2112
    - - C:\Windows\SysWOW64\at.exe
        
        at 03:54 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:2188

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
030b812f0e3948914a94e7ba6801a2fd

SHA1
a79112c1067c25fdda8805c06a168bda68f9125e

SHA256
43010916858812382f10eb25586b3ebe116523240624a9095127417e906d5640

SHA512
a198476c802f4ef8e0c87ba06e20dfa36a1d2bd3632b6c867b50d915e1e35b81abb95d8bbbf2be38fdfc966b97639b196c30370368cff34ab9e04b0ea30d6b87

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

Filesize
66KB

MD5
ed2eeee8a5f8042b0bde62fd90df90a4

SHA1
31829445d9a5ced0ef633b859574d2a39b2b685d

SHA256
7b7547eaab04807ef6aceb3b1477d85ecade7a6305a57e92bb47f15b672d39fd

SHA512
ce980376c68e5f47da4d0025f7bb4879ca6f2dfc2b4abe1bf958f0d5a1eaaa03171224f504d0caa2bf039375b32f0eb85c13fd42a05f20db7c3089011a096604

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

Filesize
66KB

MD5
9569df43bb5fd82f05ed43ce7a177faa

SHA1
8a64f324dd1a3e29e54ad1ff56aaaa50d4611ea4

SHA256
a6317a51ddb1fe8e47d9d8350095a62481f750f9fffa2132a3dc67f4f233b583

SHA512
03e4fab917b272a8ee725606ab337a6641afb1ecf8cd3aebd05fdaddc1f5ad132b3a35bc24d785b26b6d13cc7a3aeb785f9c59120d73862bb2b480e4d62959d8

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

Filesize
66KB

MD5
b885f27779d5b891f7f7f0eac5abb87e

SHA1
18e0e54faf3eb7d2705b1025576ab6a1df5a3e2c

SHA256
575fd4444d974e3c67c9d99da1338b9599b94af411bb5f3463526bee26c26e7a

SHA512
20a6ee31c27aa1b7f8e789f3ca2e83a514aaa909eba3240c91812b8225fa2c555b17c470ca94ce859d7550b4886915b1b5318c68afbbe7f6386bccad1cebee3a

Download Submit
memory/2592-16-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2592-15-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2592-13-0x0000000075350000-0x00000000754AD000-memory.dmp

Filesize
1.4MB

Download
memory/2592-69-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2592-58-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3040-60-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3040-40-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3040-36-0x0000000075350000-0x00000000754AD000-memory.dmp

Filesize
1.4MB

Download
memory/3656-43-0x0000000075350000-0x00000000754AD000-memory.dmp

Filesize
1.4MB

Download
memory/3656-53-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4364-56-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/4364-4-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/4364-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4364-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4364-55-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4364-2-0x0000000075350000-0x00000000754AD000-memory.dmp

Filesize
1.4MB

Download
memory/4364-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/4716-51-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4716-29-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4716-25-0x0000000075350000-0x00000000754AD000-memory.dmp

Filesize
1.4MB

Download