1b537068f2408296ac7ed33672faab053bf2a3c63fc8422b48551acfc644c296

Analysis

max time kernel
140s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 15:46

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General

Target

f5caa7522c5678ad6b9c09e2881eb5e0_NEIKI.exe
Size

80KB
MD5

f5caa7522c5678ad6b9c09e2881eb5e0
SHA1

6b352e99da96c14f23767f3f4962e51e3aa1653b
SHA256

1b537068f2408296ac7ed33672faab053bf2a3c63fc8422b48551acfc644c296
SHA512

54fcbbb79029b16526d226a75984789737de07e55d92a3e6b05c69c546d5bbae18d3c6c1cc93013f207dde39022aee9b79aed77ad727ca981d91a36eea922e3d
SSDEEP

768:JNK2cNW0QbRsWjcd+6yBFLqJ4Z8qx70RM8/O/B2Z9tRQPR:pcNjQlsWjcd+xzl7SMQQPR

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2680	CTS.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

Adds Run key to start application 2 TTPs 2 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\Run\CTS = "C:\\Windows\\CTS.exe"	f5caa7522c5678ad6b9c09e2881eb5e0_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	f5caa7522c5678ad6b9c09e2881eb5e0_NEIKI.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1224	f5caa7522c5678ad6b9c09e2881eb5e0_NEIKI.exe
Token: SeDebugPrivilege	2680	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 2680	1224	f5caa7522c5678ad6b9c09e2881eb5e0_NEIKI.exe	82
PID 1224 wrote to memory of 2680	1224	f5caa7522c5678ad6b9c09e2881eb5e0_NEIKI.exe	82
PID 1224 wrote to memory of 2680	1224	f5caa7522c5678ad6b9c09e2881eb5e0_NEIKI.exe	82

C:\Users\Admin\AppData\Local\Temp\f5caa7522c5678ad6b9c09e2881eb5e0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\f5caa7522c5678ad6b9c09e2881eb5e0_NEIKI.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2680

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
402KB

MD5
518e1189d33bcf94c69df68a998aa8fc

SHA1
5d2cc67c45dcfc9cde64e2e30c4e1bd87a76734d

SHA256
80731ec25a325504d23b15b5ecd563cd69a7bcb51b1bf6331dad9c1e52db640e

SHA512
60be20510ca7ed12c1f625dcd8ddd94220695038d79e029512043225ab96211133c86c34c6bbf2eacfcb336eb049e91bdd2befddc509dc81efca361472dfa889

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C:\Users\Admin\AppData\Local\Temp\hrZ2IBO2qh5tK3r.exe

Filesize
80KB

MD5
00fe224a8c27f861bb3874e7da08aef9

SHA1
13f886382107327a92bbc05f0d8e957c5843cef2

SHA256
e02ef6ab9f4b5469ff8dc97a4a0c9d6b63696ce27ae5accecc8342647351ddee

SHA512
50a5992c7a29e99be24031fd87e1bac308d5a654edf232de9c78f8ce96a9d5cd71164272b871db78611c1d6ba0af84fe806d6b4db02a95fd7c2b3f9b94025c7f

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C:\Windows\CTS.exe

Filesize
80KB

MD5
ec704028ad7125c2fa52e04dc68c0ca3

SHA1
2a63f27d0138696c9c27a9ea2534e8f2ca11ddc4

SHA256
5f77a5d7c9eac3b004820646dece450e315a6e3ed320dc183ae68d59cd2318bf

SHA512
a008a08c980583b8698431ca44fa45d5565fdc5316dc3e58c47ae523e7a7a776162979b0c79f9c64f0b71e0d98fb49102679378354f76c270d0c99207c15d160

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads