a27c7cc1c1de613d6c43a5951d356d37ba516ed8f80377f12684ed5116a957ba

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 01:52

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General

Target

807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe
Size

66KB
MD5

807fa82223d9efb45b19a7d551a3d5f0
SHA1

dbdae440d9c948761177b28ed02b1a33195b0066
SHA256

a27c7cc1c1de613d6c43a5951d356d37ba516ed8f80377f12684ed5116a957ba
SHA512

771ac4b465fe3294e8fcee221a592c76c79e5b9669539df641ed89c9aaacc70ee8750bfdd17bf0c10b8d356112991bfe688e2c7813b6b14cb924c1f6d024e383
SSDEEP

1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXil:IeklMMYJhqezw/pXzH9il

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/2188-35-0x00000000754B0000-0x000000007560D000-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"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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
3096	explorer.exe
4584	spoolsv.exe
2188	svchost.exe
1400	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"	svchost.exe
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

Drops file in Windows directory 6 IoCs

description	ioc	Process
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	807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.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
4692	807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe
4692	807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe
3096	explorer.exe
3096	explorer.exe
3096	explorer.exe
3096	explorer.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe
3096	explorer.exe
3096	explorer.exe
2188	svchost.exe
2188	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3096	explorer.exe
2188	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4692	807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe
4692	807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe
3096	explorer.exe
3096	explorer.exe
4584	spoolsv.exe
4584	spoolsv.exe
2188	svchost.exe
2188	svchost.exe
1400	spoolsv.exe
1400	spoolsv.exe
3096	explorer.exe
3096	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 3096	4692	807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe	85
PID 4692 wrote to memory of 3096	4692	807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe	85
PID 4692 wrote to memory of 3096	4692	807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe	85
PID 3096 wrote to memory of 4584	3096	explorer.exe	86
PID 3096 wrote to memory of 4584	3096	explorer.exe	86
PID 3096 wrote to memory of 4584	3096	explorer.exe	86
PID 4584 wrote to memory of 2188	4584	spoolsv.exe	87
PID 4584 wrote to memory of 2188	4584	spoolsv.exe	87
PID 4584 wrote to memory of 2188	4584	spoolsv.exe	87
PID 2188 wrote to memory of 1400	2188	svchost.exe	88
PID 2188 wrote to memory of 1400	2188	svchost.exe	88
PID 2188 wrote to memory of 1400	2188	svchost.exe	88
PID 2188 wrote to memory of 3448	2188	svchost.exe	89
PID 2188 wrote to memory of 3448	2188	svchost.exe	89
PID 2188 wrote to memory of 3448	2188	svchost.exe	89
PID 2188 wrote to memory of 5092	2188	svchost.exe	104
PID 2188 wrote to memory of 5092	2188	svchost.exe	104
PID 2188 wrote to memory of 5092	2188	svchost.exe	104
PID 2188 wrote to memory of 3908	2188	svchost.exe	113
PID 2188 wrote to memory of 3908	2188	svchost.exe	113
PID 2188 wrote to memory of 3908	2188	svchost.exe	113

C:\Users\Admin\AppData\Local\Temp\807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\807fa82223d9efb45b19a7d551a3d5f0_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4692
- \??\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:3096
- - \??\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:4584
  - - \??\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:2188
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:1400
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:54 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:3448
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:55 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:5092
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:56 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:3908

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
ae6aca78e092164b6db1c9a84bb6c006

SHA1
e39f7ca192990707aeda65a9ac0ff7e1152a3b33

SHA256
605ce4abbdb5f5d14e4883c090e6e794a040925cbb922686d063492b1a1b3722

SHA512
4c37499e06cfd52d817dcc708eda42a7b227f0d3a5c07e2aea22b1fbe15fd7ab2ed8bf4fe3398c83da3b2ab6d7627abedfe08f2f0c4a05b6c6ddfeed54946730

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

Filesize
66KB

MD5
89291281ca1b54e229e84c60b2add7af

SHA1
c02e301691997f5c9e23f49de722756ea1192bae

SHA256
961c59b0f5b29355964ed3fdcbc967ecbd588e3bf8b314a9215248063e9d3e5d

SHA512
6526583c0e34ce9f26ee3247902c29e573f60a6acad9394422dfb951a2c0529e119a9af6dc6c3f1ec1482a5042fc24fad2743e1d5fc687da6f164bbb8a47c978

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

Filesize
66KB

MD5
1dd9744a066eea658fb3672c1fe42b12

SHA1
406440bc76cd37dffda0c15d06a7ea7e0cba5514

SHA256
d8a3273d532edb8350e6d07c4beda99109d8ca4bb47136b826308bdc47d157e3

SHA512
63d513cc4408f90fe6190fe5ca34e135fc928d3223647679df0cb50cbd5e20a49abfa85deae060ac4bc78a20dc0fac5429d4f187c9a72f0c5757b117b1adaab2

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

Filesize
66KB

MD5
aa4a3c019af4df1baf84c0747727720c

SHA1
f04844af77f35fb627bacf41f7f3f866905ed6f3

SHA256
8f06fe093ca61709b502f2763d32d10ee12b731a1ca4b1bd68e9a7b2006ea9a8

SHA512
cb14597ea81817d3f67bdaff3f64904384941dca8514f1c659c7a85d519a79692526e912062ccbd779947d805f208be8af1df681b6743bce5da82c0671ce7680

Download Submit
memory/1400-47-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1400-42-0x00000000754B0000-0x000000007560D000-memory.dmp

Filesize
1.4MB

Download
memory/2188-35-0x00000000754B0000-0x000000007560D000-memory.dmp

Filesize
1.4MB

Download
memory/2188-34-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2188-56-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2188-40-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3096-13-0x00000000754B0000-0x000000007560D000-memory.dmp

Filesize
1.4MB

Download
memory/3096-65-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3096-15-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3096-55-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4584-51-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4584-24-0x00000000754B0000-0x000000007560D000-memory.dmp

Filesize
1.4MB

Download
memory/4692-5-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/4692-53-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/4692-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4692-52-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4692-2-0x00000000754B0000-0x000000007560D000-memory.dmp

Filesize
1.4MB

Download
memory/4692-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4692-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download