59dd87420271a507cac39a8c4fe6cc4fcebcd8f091ff914587cfe752aa325b42

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 10:53

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General

Target

ddd632b6978620ff83bcccbe0e25f17f.exe
Size

46KB
MD5

ddd632b6978620ff83bcccbe0e25f17f
SHA1

00e7f506d7e192b38fff9d1927b3a6cf9e1a8556
SHA256

59dd87420271a507cac39a8c4fe6cc4fcebcd8f091ff914587cfe752aa325b42
SHA512

249add53266e9dfd671fbcb4af6391374231c8edaa54a6b08e9c1edf9e5fbbc1534f0cc3a8e98280a0afea10f6ab7af429187d839d9e1aec1764c5f55b509b39
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFdrdYzOvQSjljkI1eCZ:SKcR4mjD9r823F1dmk5jue

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2240	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/1612-1-0x0000000000A60000-0x0000000000A77000-memory.dmp	upx
behavioral1/files/0x000b000000015a2d-8.dat	upx
behavioral1/memory/1612-9-0x0000000000A60000-0x0000000000A77000-memory.dmp	upx
behavioral1/memory/2240-12-0x00000000009B0000-0x00000000009C7000-memory.dmp	upx
behavioral1/files/0x000c000000012241-15.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"	ddd632b6978620ff83bcccbe0e25f17f.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	ddd632b6978620ff83bcccbe0e25f17f.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	ddd632b6978620ff83bcccbe0e25f17f.exe
Token: SeDebugPrivilege	2240	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2240	1612	ddd632b6978620ff83bcccbe0e25f17f.exe	28
PID 1612 wrote to memory of 2240	1612	ddd632b6978620ff83bcccbe0e25f17f.exe	28
PID 1612 wrote to memory of 2240	1612	ddd632b6978620ff83bcccbe0e25f17f.exe	28
PID 1612 wrote to memory of 2240	1612	ddd632b6978620ff83bcccbe0e25f17f.exe	28

C:\Users\Admin\AppData\Local\Temp\ddd632b6978620ff83bcccbe0e25f17f.exe
"C:\Users\Admin\AppData\Local\Temp\ddd632b6978620ff83bcccbe0e25f17f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612
- 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:2240

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\RICyP39E83LOTo8.exe

Filesize
46KB

MD5
54f355d729298602b249926df1b7adaf

SHA1
0bdd338600d1103f54e7bca9267887b2f6eb574b

SHA256
5abbe3274f6f4091d385b54895d02b129b3c8d480b2c943a93c8478584a319f6

SHA512
b048333c3e5226b65bda969217ed922e81b9e85b9ae2544f985cae280d890ac898402e72e1d86425c44eabd5bd710e0fdcef9e1db435535a1dc0f7d274396715

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1612-1-0x0000000000A60000-0x0000000000A77000-memory.dmp

Filesize
92KB

Download
memory/1612-9-0x0000000000A60000-0x0000000000A77000-memory.dmp

Filesize
92KB

Download
memory/1612-11-0x00000000009B0000-0x00000000009C7000-memory.dmp

Filesize
92KB

Download
memory/2240-12-0x00000000009B0000-0x00000000009C7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads