24c2239c365ab2cea76bb09b4fa5ec65b00c715870490a3e4a9845a3db242b7e

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04-01-2024 14:31

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General

Target

411c38c71d88ac32e0a110d80a68b990.exe
Size

30KB
MD5

411c38c71d88ac32e0a110d80a68b990
SHA1

da88f1e49ce9d6e599b9fa5a33731f3262824cbf
SHA256

24c2239c365ab2cea76bb09b4fa5ec65b00c715870490a3e4a9845a3db242b7e
SHA512

c83ec3fa6aad99cec5ce86d66b20577fdcd46f19211f24ef402e7058a83711e79128156ff153f9b6ae1a670f813b0afb1c0e62e40706752e936702ddfa732465
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEF8Iz:SKcR4mjD9r823Fp

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2928	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/3044-1-0x0000000000B00000-0x0000000000B17000-memory.dmp	upx
behavioral1/memory/3044-8-0x0000000000B00000-0x0000000000B17000-memory.dmp	upx
behavioral1/memory/2928-12-0x0000000001020000-0x0000000001037000-memory.dmp	upx
behavioral1/files/0x00090000000141c0-11.dat	upx
behavioral1/files/0x000a000000013a71-14.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"	411c38c71d88ac32e0a110d80a68b990.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	411c38c71d88ac32e0a110d80a68b990.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	411c38c71d88ac32e0a110d80a68b990.exe
Token: SeDebugPrivilege	2928	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2928	3044	411c38c71d88ac32e0a110d80a68b990.exe	28
PID 3044 wrote to memory of 2928	3044	411c38c71d88ac32e0a110d80a68b990.exe	28
PID 3044 wrote to memory of 2928	3044	411c38c71d88ac32e0a110d80a68b990.exe	28
PID 3044 wrote to memory of 2928	3044	411c38c71d88ac32e0a110d80a68b990.exe	28

C:\Users\Admin\AppData\Local\Temp\411c38c71d88ac32e0a110d80a68b990.exe
"C:\Users\Admin\AppData\Local\Temp\411c38c71d88ac32e0a110d80a68b990.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044
- 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:2928

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\oMBEwFW3cUJfhao.exe

Filesize
30KB

MD5
27289de3669d74d55956848a6c773c6c

SHA1
7cec152a793a85a86b5493a72e8780228ac69356

SHA256
257754231078988a2e6bbaac0a3f9a4b566ef1fe479c5a6dba6ac69aeee56803

SHA512
2f8434a638fd912364ab6011cd666489712c29b78ae24bded2bec291f416b3c1cd61d16f1faf950f9e1dcbc5c3561bf7a57a5650b64518618414747ef10ddffc

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2928-12-0x0000000001020000-0x0000000001037000-memory.dmp

Filesize
92KB

Download
memory/3044-1-0x0000000000B00000-0x0000000000B17000-memory.dmp

Filesize
92KB

Download
memory/3044-8-0x0000000000B00000-0x0000000000B17000-memory.dmp

Filesize
92KB

Download
memory/3044-9-0x0000000000160000-0x0000000000177000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads