2935b0f9ce63f177e615ef90ef6063c5e8e0ff85230acc0ea36ffcf8b58ba558

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 08:02

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General

Target

12e568b41ff12216035f1c107ffb23d3.exe
Size

46KB
MD5

12e568b41ff12216035f1c107ffb23d3
SHA1

f2134e852ddf645aede1e900273b8eb2d36895ea
SHA256

2935b0f9ce63f177e615ef90ef6063c5e8e0ff85230acc0ea36ffcf8b58ba558
SHA512

d18c0c81c425420a0557240f063a9124b189811706149d130acc510f6026bdc320ff84f7683abd0fd5160850922a4dc9d8e564c1d0286b0647e637be30e60285
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFzvNASUGA8S7snuK7qer:SKcR4mjD9r823FzvNA4F00uK7qe6bpm

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
824	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/2572-0-0x0000000000370000-0x0000000000387000-memory.dmp	upx
behavioral1/memory/2572-8-0x0000000000370000-0x0000000000387000-memory.dmp	upx
behavioral1/memory/824-12-0x0000000000FC0000-0x0000000000FD7000-memory.dmp	upx
behavioral1/files/0x000d000000012343-10.dat	upx
behavioral1/files/0x000a00000001225c-14.dat	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"	12e568b41ff12216035f1c107ffb23d3.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	12e568b41ff12216035f1c107ffb23d3.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	12e568b41ff12216035f1c107ffb23d3.exe
Token: SeDebugPrivilege	824	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 824	2572	12e568b41ff12216035f1c107ffb23d3.exe	28
PID 2572 wrote to memory of 824	2572	12e568b41ff12216035f1c107ffb23d3.exe	28
PID 2572 wrote to memory of 824	2572	12e568b41ff12216035f1c107ffb23d3.exe	28
PID 2572 wrote to memory of 824	2572	12e568b41ff12216035f1c107ffb23d3.exe	28

C:\Users\Admin\AppData\Local\Temp\12e568b41ff12216035f1c107ffb23d3.exe
"C:\Users\Admin\AppData\Local\Temp\12e568b41ff12216035f1c107ffb23d3.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2572
- 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:824

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\x32NQKoa2VeJQoU.exe

Filesize
46KB

MD5
51ac8fb04dd78718fb9c1d862272b9ae

SHA1
39b19b8668db1bbc0b33d1a2371ba7f250f306b5

SHA256
11725ad86be489a12842ecb48020d4b570dc82656aa4c4e527282240b0219d93

SHA512
b1c6dd4d74b32a6bdcfb320d5075b0de57bab8bc8fbe9231e34bed74d0c98a9d52d88e726ee472a06178dd497271112fff0ad5ff37e6bd684ab96b67fec475a3

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/824-12-0x0000000000FC0000-0x0000000000FD7000-memory.dmp

Filesize
92KB

Download
memory/2572-0-0x0000000000370000-0x0000000000387000-memory.dmp

Filesize
92KB

Download
memory/2572-8-0x0000000000370000-0x0000000000387000-memory.dmp

Filesize
92KB

Download
memory/2572-11-0x00000000000B0000-0x00000000000C7000-memory.dmp

Filesize
92KB

Download
memory/2572-18-0x00000000000B0000-0x00000000000C7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads