59ecba4a762b8c02735f5a16e954b95d13cbe3b2cabf73c053e642c3386e1330

Analysis

max time kernel
150s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
02-06-2024 21:43

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General

Target

6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe
Size

65KB
MD5

6e593bc0d51e1de875d92ab2183cb9d0
SHA1

44422c1b3f12e22b1e7eea4ef2c04476ac92fc77
SHA256

59ecba4a762b8c02735f5a16e954b95d13cbe3b2cabf73c053e642c3386e1330
SHA512

e326f59683a8cef0156e216e2d3559825dbe298dfba61f62217db3d9e66452f299be23dea8ac1ac38a2b18984fffdbc0e19678713bd52de2e9d957aa9c5af1fe
SSDEEP

1536:ECq3yRuqrI01eArdW/O7JnI2e13XiLij40MkTUVqa/Ouq//////////////////G:7WNqkOJWmo1HpM0MkTUmut

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/2252-37-0x0000000074CF0000-0x0000000074E4D000-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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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
2544	explorer.exe
3712	spoolsv.exe
2252	svchost.exe
3644	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	6e593bc0d51e1de875d92ab2183cb9d0_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
1820	6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe
1820	6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe
2544	explorer.exe
2544	explorer.exe
2544	explorer.exe
2544	explorer.exe
2544	explorer.exe
2544	explorer.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2252	svchost.exe
2252	svchost.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2252	svchost.exe
2544	explorer.exe
2544	explorer.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2252	svchost.exe
2544	explorer.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe
2544	explorer.exe
2252	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2544	explorer.exe
2252	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1820	6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe
1820	6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe
2544	explorer.exe
2544	explorer.exe
3712	spoolsv.exe
3712	spoolsv.exe
2252	svchost.exe
2252	svchost.exe
3644	spoolsv.exe
3644	spoolsv.exe
2544	explorer.exe
2544	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2544	1820	6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe	82
PID 1820 wrote to memory of 2544	1820	6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe	82
PID 1820 wrote to memory of 2544	1820	6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe	82
PID 2544 wrote to memory of 3712	2544	explorer.exe	83
PID 2544 wrote to memory of 3712	2544	explorer.exe	83
PID 2544 wrote to memory of 3712	2544	explorer.exe	83
PID 3712 wrote to memory of 2252	3712	spoolsv.exe	85
PID 3712 wrote to memory of 2252	3712	spoolsv.exe	85
PID 3712 wrote to memory of 2252	3712	spoolsv.exe	85
PID 2252 wrote to memory of 3644	2252	svchost.exe	87
PID 2252 wrote to memory of 3644	2252	svchost.exe	87
PID 2252 wrote to memory of 3644	2252	svchost.exe	87
PID 2252 wrote to memory of 1432	2252	svchost.exe	88
PID 2252 wrote to memory of 1432	2252	svchost.exe	88
PID 2252 wrote to memory of 1432	2252	svchost.exe	88
PID 2252 wrote to memory of 1804	2252	svchost.exe	99
PID 2252 wrote to memory of 1804	2252	svchost.exe	99
PID 2252 wrote to memory of 1804	2252	svchost.exe	99
PID 2252 wrote to memory of 5092	2252	svchost.exe	101
PID 2252 wrote to memory of 5092	2252	svchost.exe	101
PID 2252 wrote to memory of 5092	2252	svchost.exe	101

C:\Users\Admin\AppData\Local\Temp\6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\6e593bc0d51e1de875d92ab2183cb9d0_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1820
- \??\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:2544
- - \??\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:3712
  - - \??\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:2252
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:3644
    - - C:\Windows\SysWOW64\at.exe
        
        at 21:45 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1432
    - - C:\Windows\SysWOW64\at.exe
        
        at 21:46 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1804
    - - C:\Windows\SysWOW64\at.exe
        
        at 21:47 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:5092

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
65KB

MD5
90a1b652eb467f0c9be3b7b11d5a1262

SHA1
c6e5ddabc81aae0a6b4e7a6668898fdda7ede0bf

SHA256
804176b87829f318ac4cb81bb3818f9bd57f7f2297f4887c677604935ff04fff

SHA512
1b38130277720c26ba2f388a819406bbb87ba60915b93b38419a9e1cf9cfc381915eccfd87b9664252a41230290bb523aa6401b723c2a1c350f4985b07360ef3

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

Filesize
65KB

MD5
65273fa5d71e7333609c2437770a80f9

SHA1
d74e54bef18d3893b78f61474d0b6ab2e015736b

SHA256
4e8b462aaaa9a51712be79dc389495958f654f7b5a8944e02bd6d8627b182ddd

SHA512
b88fbf6abf9bc0da9bf82a4fd1d09ea451943583eacf1619d8d64fe172c590e903aae74798a63072282509c2f4f4c8b9254048aa3d17cd0eaa90d3efec422d8c

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

Filesize
65KB

MD5
28d9cf646517f57002b0a71230be57e1

SHA1
e31e6fad2e684d9137587de7e2afc5cb1c47b4db

SHA256
cc8c1cb9697d5e166a923f431e624a003d0e9d740f06f4976560b0eb43f02111

SHA512
2596ddc64d8add82ef8d06dfd372aa463d80f1f371e6a5635379a05774183d046a81eb94add7b87c32f08fbf9af46bdb6e72fa619abc7d8edcdc1b4d6e72b625

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

Filesize
65KB

MD5
9af261e7bd0dc5072456d95a50ac0189

SHA1
a62404e4c3eb5c5c58722ae5e51d979844ace422

SHA256
9facc1b2ffd956d4afed273afb7a5ba8f95f9405d2c5618de4e3711dd58e8234

SHA512
48202571f402c4f7fb8778bd3e221bd81cdb49f57180b9730a0a394f75e98439eebf29648b572388b9ced7c425807a14bfb830de3057a003146a89f6f9116bec

Download Submit
memory/1820-2-0x0000000074CF0000-0x0000000074E4D000-memory.dmp

Filesize
1.4MB

Download
memory/1820-4-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/1820-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1820-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1820-56-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1820-57-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/1820-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/2252-61-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2252-37-0x0000000074CF0000-0x0000000074E4D000-memory.dmp

Filesize
1.4MB

Download
memory/2252-36-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2544-13-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2544-17-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2544-59-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2544-14-0x0000000074CF0000-0x0000000074E4D000-memory.dmp

Filesize
1.4MB

Download
memory/2544-70-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3644-43-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3644-44-0x0000000074CF0000-0x0000000074E4D000-memory.dmp

Filesize
1.4MB

Download
memory/3644-52-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3712-54-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3712-30-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3712-25-0x0000000074CF0000-0x0000000074E4D000-memory.dmp

Filesize
1.4MB

Download