b88342ddb0238f9bd7f39971baaf9a086cf5cbf8abf72d1eec78170046c33b7a

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 08:19

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General

Target

3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe
Size

66KB
MD5

3abd05cfdb8cd529b9b31dde1719f8f0
SHA1

f66e887f0a6c0cbc2ce56cce1d017300f7e9d44f
SHA256

b88342ddb0238f9bd7f39971baaf9a086cf5cbf8abf72d1eec78170046c33b7a
SHA512

78351a8d7e30b9259577c36f975de1ac43c02894170c8fa22be6ec468bbd65b7af5d0579a27e61a64c28ffdbe02f11f8180da7f220bf41fe919a6d1a7482c25d
SSDEEP

1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXiH:IeklMMYJhqezw/pXzH9iH

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
behavioral1/memory/2528-54-0x0000000072940000-0x0000000072A93000-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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\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 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
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

Executes dropped EXE 4 IoCs

pid	Process
2324	explorer.exe
2640	spoolsv.exe
2528	svchost.exe
2548	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
2344	3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe
2344	3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe
2324	explorer.exe
2324	explorer.exe
2640	spoolsv.exe
2640	spoolsv.exe
2528	svchost.exe
2528	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\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	3abd05cfdb8cd529b9b31dde1719f8f0_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
2344	3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2324	explorer.exe
2528	svchost.exe
2528	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2324	explorer.exe
2528	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2344	3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe
2344	3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe
2324	explorer.exe
2324	explorer.exe
2640	spoolsv.exe
2640	spoolsv.exe
2528	svchost.exe
2528	svchost.exe
2548	spoolsv.exe
2548	spoolsv.exe
2324	explorer.exe
2324	explorer.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2324	2344	3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe	28
PID 2344 wrote to memory of 2324	2344	3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe	28
PID 2344 wrote to memory of 2324	2344	3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe	28
PID 2344 wrote to memory of 2324	2344	3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe	28
PID 2324 wrote to memory of 2640	2324	explorer.exe	29
PID 2324 wrote to memory of 2640	2324	explorer.exe	29
PID 2324 wrote to memory of 2640	2324	explorer.exe	29
PID 2324 wrote to memory of 2640	2324	explorer.exe	29
PID 2640 wrote to memory of 2528	2640	spoolsv.exe	30
PID 2640 wrote to memory of 2528	2640	spoolsv.exe	30
PID 2640 wrote to memory of 2528	2640	spoolsv.exe	30
PID 2640 wrote to memory of 2528	2640	spoolsv.exe	30
PID 2528 wrote to memory of 2548	2528	svchost.exe	31
PID 2528 wrote to memory of 2548	2528	svchost.exe	31
PID 2528 wrote to memory of 2548	2528	svchost.exe	31
PID 2528 wrote to memory of 2548	2528	svchost.exe	31
PID 2528 wrote to memory of 1976	2528	svchost.exe	32
PID 2528 wrote to memory of 1976	2528	svchost.exe	32
PID 2528 wrote to memory of 1976	2528	svchost.exe	32
PID 2528 wrote to memory of 1976	2528	svchost.exe	32
PID 2528 wrote to memory of 832	2528	svchost.exe	36
PID 2528 wrote to memory of 832	2528	svchost.exe	36
PID 2528 wrote to memory of 832	2528	svchost.exe	36
PID 2528 wrote to memory of 832	2528	svchost.exe	36
PID 2528 wrote to memory of 3008	2528	svchost.exe	38
PID 2528 wrote to memory of 3008	2528	svchost.exe	38
PID 2528 wrote to memory of 3008	2528	svchost.exe	38
PID 2528 wrote to memory of 3008	2528	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\3abd05cfdb8cd529b9b31dde1719f8f0_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2344
- \??\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
  - Loads dropped DLL
  - 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:2324
- - \??\c:\windows\system\spoolsv.exe
    c:\windows\system\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2640
  - - \??\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
      Loads dropped DLL
      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:2528
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:2548
    - - C:\Windows\SysWOW64\at.exe
        
        at 08:22 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1976
    - - C:\Windows\SysWOW64\at.exe
        
        at 08:23 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:832
    - - C:\Windows\SysWOW64\at.exe
        
        at 08:24 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:3008

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
87d65d039b587004cf69dca81515d632

SHA1
84831daaa0e78c6301a5efb6e1c2a0de79139778

SHA256
2abccf945c4f3e6a6326445eb2466d801459fc055ca5f8d601d7bc64c5adf87f

SHA512
f6adbaaca0f988bd7691d0cbe927fc768f05bcaacb4e5e7cc014ef22f2aabaf69c2fe156c0df647bf4ae23c905b462d1b62186ec522f973d4c6fb2d4ab6d2105

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

Filesize
66KB

MD5
d30a089053d76b1f970e42c1f3bc5c48

SHA1
4e176baad049f7196757ca94a1cf8d7807b51cc1

SHA256
20c9672e1fb3615d7972d43d765b43c09ac76d8086a6a975180c5891315bf0b7

SHA512
9c6fbc84975cc91a3d46d0f4fb7cac43e8bc83de0f5ab82c05b5de0245e9c3a8087db6cd149583ac0a04ef41251bbb84756c6b9c4ef8a71d1ba1d997264c14fa

Download Submit
\Windows\system\explorer.exe

Filesize
66KB

MD5
16bdca627772601050072201225bdd3f

SHA1
f115badde4e7c5514c7a3033f8602a58c33f02c0

SHA256
fa56bb9674054fc7758bc40d4804dd2e2e842951d2d5d4266935afd64ed60cc0

SHA512
95e9bb8e3f6d6b960f053028ff64c15a7370596a2d2f9ea810d81861ca069ae8486f95042c5c09abddd6c5d67ccf81c7e9346916a9f03befcdf28ebae3ecf4ec

Download Submit
\Windows\system\spoolsv.exe

Filesize
66KB

MD5
cec19329d74e500bbd18075acb3dda7f

SHA1
f12ad20c7aef280d0ec865e8bf0dfd9a986a05a1

SHA256
98846877db59e6f401210cedf6107c0415bcd4ff319410c36f5212886cf20cd5

SHA512
3ed1c01c9c422b36527ac32f1b9b55dfee9295cd7757ff262fdb91489ff1a309dd6a26ebbe07c8dcf78535d6ea525166cc280e6f91559f9d34bdbb0f32bf721b

Download Submit
memory/2324-89-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2324-78-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2324-38-0x0000000002B70000-0x0000000002BA1000-memory.dmp

Filesize
196KB

Download
memory/2324-19-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2324-20-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2344-17-0x0000000002600000-0x0000000002631000-memory.dmp

Filesize
196KB

Download
memory/2344-18-0x0000000002600000-0x0000000002631000-memory.dmp

Filesize
196KB

Download
memory/2344-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2344-1-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2344-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2344-4-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2344-2-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2344-76-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2528-58-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2528-54-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2528-80-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2548-64-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2548-70-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2640-74-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2640-35-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2640-40-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2640-41-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2640-53-0x0000000001E40000-0x0000000001E71000-memory.dmp

Filesize
196KB

Download