a78eb6b99d2143d1d094d1b370c12cce4598af76f3454366aa5e16ff1207cfb7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 01:28

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General

Target

92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe
Size

7.6MB
MD5

92824bfa2d9f88ae6bcef9f692858b70
SHA1

f1723631ff5c232892cfc3778ecda6ebac088e44
SHA256

a78eb6b99d2143d1d094d1b370c12cce4598af76f3454366aa5e16ff1207cfb7
SHA512

0d464f5b20b7c63162d74ceeec5c9bfccf5eec8ef4a022d3bc4769b5602c286eca1ae570c06c2116e6100823f5fbe45ae7b6c43a738092e09101844f5ffa15a3
SSDEEP

196608:vH4GhBuV5aqFL4rooriZHLwWIcl2FVIo2Ghi3Cx6smv:QGhBuV5a64r5roHLARVIo2G886P

Score

7^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2176	servbrow.exe
2900	servbrow.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Ws2Help.dll	92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe
File created	C:\Program Files\7-Zip\Ws2Help.dll	92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe
File opened for modification	C:\Program Files\7-Zip\Ws2Help.dll	92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe
File created	C:\Program Files\VideoLAN\VLC\Ws2Help.dll	92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\Ws2Help.dll	92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe
File created	C:\Program Files (x86)\Mozilla Maintenance Service\Ws2Help.dll	92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\servbrow.exe	92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeTcbPrivilege	2176	servbrow.exe
Token: SeChangeNotifyPrivilege	2176	servbrow.exe
Token: SeIncreaseQuotaPrivilege	2176	servbrow.exe
Token: SeAssignPrimaryTokenPrivilege	2176	servbrow.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2940	92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe
2176	servbrow.exe
2900	servbrow.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2900	2176	servbrow.exe	31
PID 2176 wrote to memory of 2900	2176	servbrow.exe	31
PID 2176 wrote to memory of 2900	2176	servbrow.exe	31
PID 2176 wrote to memory of 2900	2176	servbrow.exe	31

C:\Users\Admin\AppData\Local\Temp\92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\92824bfa2d9f88ae6bcef9f692858b70_NEIKI.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:2940

C:\Windows\servbrow.exe
"C:\Windows\servbrow.exe" /Service
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\servbrow.exe
  "C:\Windows\servbrow.exe" /Popup
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Mozilla Maintenance Service\Ws2Help.dll

Filesize
7.6MB

MD5
5e02764fece52ded1ff00fdcb2f6d1df

SHA1
6c32a52570586662923fa76bf18378dd3588b374

SHA256
69d8f8d08f72660d3331cab8766bba51871a77152f6a94c1a0812369f253d85c

SHA512
d474077920e6548136787cf550ca2aae8f0d112221ee789c691cb9547353142d5a7ae250aa92d6bbadab901f33aeb57cc13f17ac33ed2aa22830c36833697477

Download Submit
C:\Windows\servbrow.exe

Filesize
7.6MB

MD5
8ec4a941b18a61f948fcdfa6880b5953

SHA1
27d37fe85cd70ddc95260b7fb13d9e11d1ae413b

SHA256
3fd7635afee53ca8117b7b9e1a727d3e2586d65dc54dccda4455aa15c13c7ece

SHA512
8af5dbe89c351be16769e21aa9228b021e9ea3ef274143ed91aaca33927103d7e52d4b53865c7380130196d16d948fcc2c8bdb7b84e3fcf37917fe0fcc88efc3

Download Submit