ccfe5e38ca470dd4043a583d630e605f6d67e08e9db97d990db826a6b8bbbbe6

Analysis

max time kernel
141s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 21:16

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General

Target

37611a0373b1ff0e52868cbdc1ece9a0_NEIKI.exe
Size

27KB
MD5

37611a0373b1ff0e52868cbdc1ece9a0
SHA1

599190fc088e1fcc01d6b2c97d34518fbb7c402a
SHA256

ccfe5e38ca470dd4043a583d630e605f6d67e08e9db97d990db826a6b8bbbbe6
SHA512

cbcfacadaed403a3b4a7ae0184be14df1258b6dd581fe8c626c72f2e932507f211542736a2271c8fd1d8b7bc3502649ac31259862971b31921e22db479c468c6
SSDEEP

768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCM8a:N5VzcfA/6LrVpL74gfh16nV

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2612	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

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2300-0-0x0000000000CF0000-0x0000000000D08000-memory.dmp	upx
behavioral2/memory/2300-8-0x0000000000CF0000-0x0000000000D08000-memory.dmp	upx
behavioral2/files/0x000b000000023ba5-6.dat	upx
behavioral2/memory/2612-9-0x00000000002E0000-0x00000000002F8000-memory.dmp	upx
behavioral2/files/0x0003000000022967-13.dat	upx
behavioral2/files/0x000c000000023b4b-31.dat	upx
behavioral2/memory/2612-33-0x00000000002E0000-0x00000000002F8000-memory.dmp	upx

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"	37611a0373b1ff0e52868cbdc1ece9a0_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	37611a0373b1ff0e52868cbdc1ece9a0_NEIKI.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	37611a0373b1ff0e52868cbdc1ece9a0_NEIKI.exe
Token: SeDebugPrivilege	2612	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2612	2300	37611a0373b1ff0e52868cbdc1ece9a0_NEIKI.exe	86
PID 2300 wrote to memory of 2612	2300	37611a0373b1ff0e52868cbdc1ece9a0_NEIKI.exe	86
PID 2300 wrote to memory of 2612	2300	37611a0373b1ff0e52868cbdc1ece9a0_NEIKI.exe	86

C:\Users\Admin\AppData\Local\Temp\37611a0373b1ff0e52868cbdc1ece9a0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\37611a0373b1ff0e52868cbdc1ece9a0_NEIKI.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2300
- 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:2612

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
348KB

MD5
77598626a5235f7701bfeebfc8e88837

SHA1
31fd999f3d648a7c50cd1e3796ad9d033e4561e0

SHA256
567654cdcef71c8c23de647fd9e1b59eb01abb2d2051d389d11dd42ad6af4d22

SHA512
afe0617a4e89a09a4b10e67b3b297082342ef3d87b9e16b0eb339315c5c97d2bcdb4c6a621d20445adeebc991736f02985fde45cc8cc3d2e3d621e0e84495932

Download Submit
C:\Users\Admin\AppData\Local\Temp\llQSm75Uw0n7WkT.exe

Filesize
27KB

MD5
4a1704674bf45bb62bef5dd63a4d709e

SHA1
13e28bd9655332d44b320d743cee87f17ad9b86e

SHA256
c878d65f5ace08ca2641690901b5a468476ed178863e01e439f865f55f42d048

SHA512
2226a18067b3cade699629d03eef0f6b7510c7d0e6cac9bf820f35924b2443c9d993cdf7c8ff29b3f3732e9eed70cb25e77a4b5af83dc2b7cd991a49c272be7e

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/2300-0-0x0000000000CF0000-0x0000000000D08000-memory.dmp

Filesize
96KB

Download
memory/2300-8-0x0000000000CF0000-0x0000000000D08000-memory.dmp

Filesize
96KB

Download
memory/2612-9-0x00000000002E0000-0x00000000002F8000-memory.dmp

Filesize
96KB

Download
memory/2612-33-0x00000000002E0000-0x00000000002F8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads