cf342712ac75824579780abdb0e12d7ba9e3d8e93f311e0f3dd5b35f73a6bbc3

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 01:10

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General

Target

9818150941def9842a1b3c98e4794ef0.exe
Size

112KB
MD5

9818150941def9842a1b3c98e4794ef0
SHA1

83e17140a74df518d59b48b5842d743afde6f8be
SHA256

cf342712ac75824579780abdb0e12d7ba9e3d8e93f311e0f3dd5b35f73a6bbc3
SHA512

5e156ae52cd2511055086dfecf93240ef1835839bc2683aeea8fd35089f2ad55da660f8de701fdf9f02bae42afd36dd437323a8612532aab3973a063e23469de
SSDEEP

1536:UcNjQlsWjcd+xzl7SM+Gn8255NeoVKcR4mjD9r823Fl:Xjr87S7Gnz55EoVKcWmjRrz3L

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3048	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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2108-0-0x00000000012C0000-0x00000000012D9000-memory.dmp	upx
behavioral1/files/0x000b000000014177-7.dat	upx
behavioral1/files/0x000d00000001225c-12.dat	upx
behavioral1/memory/3048-11-0x0000000000840000-0x0000000000859000-memory.dmp	upx
behavioral1/memory/2108-8-0x00000000012C0000-0x00000000012D9000-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"	9818150941def9842a1b3c98e4794ef0.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	9818150941def9842a1b3c98e4794ef0.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	9818150941def9842a1b3c98e4794ef0.exe
Token: SeDebugPrivilege	3048	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 3048	2108	9818150941def9842a1b3c98e4794ef0.exe	28
PID 2108 wrote to memory of 3048	2108	9818150941def9842a1b3c98e4794ef0.exe	28
PID 2108 wrote to memory of 3048	2108	9818150941def9842a1b3c98e4794ef0.exe	28
PID 2108 wrote to memory of 3048	2108	9818150941def9842a1b3c98e4794ef0.exe	28

C:\Users\Admin\AppData\Local\Temp\9818150941def9842a1b3c98e4794ef0.exe
"C:\Users\Admin\AppData\Local\Temp\9818150941def9842a1b3c98e4794ef0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108
- 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:3048

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\Temp\23Sxu1Awxt4TZHs.exe

Filesize
112KB

MD5
d7270db30a01e708e87a407d6ce37f06

SHA1
bc0e63da4d7b1b8924a78677f969df2ed1bb51a6

SHA256
7835cd4899b7c67368548cdaaf45e579d53f18e9708bdc20956a971e527309a8

SHA512
5ae138fdae5ecb2049e1905d1ca5cd2cc004eb5561080049c7c9243ed979e227b7b3b04e3b9a7567e7429f8c76d5dd510ee2badfa3e71d6e50bf75125adc351b

Download Submit
C:\Windows\CTS.exe

Filesize
112KB

MD5
5dfd082c2449338733617d2b925e5f01

SHA1
e214b88aeeb65e5aff724355d958fb4d30d86181

SHA256
23f33569da55f7d02da96b7aa6a3d911937118cfff940aa0fc43de644d15dc7b

SHA512
7f8303f7f69827c8fe2b2f12d91ad12860b50665d3c981bf2a5bd6c3e0ecc950b4d2f5312d3fd3ae2a7657baefee7ceded0e574a99d86ef6a3f9fac695127f6e

Download Submit
memory/2108-0-0x00000000012C0000-0x00000000012D9000-memory.dmp

Filesize
100KB

Download
memory/2108-8-0x00000000012C0000-0x00000000012D9000-memory.dmp

Filesize
100KB

Download
memory/3048-11-0x0000000000840000-0x0000000000859000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads