cc263f4eaca580a8567a4730bcf1535928454c04fd957ff703216cd1d6125f39

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 02:54

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General

Target

25519db095e1a5bde29697f85588e8de.exe
Size

46KB
MD5

25519db095e1a5bde29697f85588e8de
SHA1

d1ffb951a9a090435da677ada5ac47bee21664f4
SHA256

cc263f4eaca580a8567a4730bcf1535928454c04fd957ff703216cd1d6125f39
SHA512

2819ff8dc991363ccb5905ae2baf24ba1d6ac7320246bd2fc4183c65fd36725f6334f972567eab79ffbbca89bb20640122c4226d798c5c5e09bb577e9df44cde
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFOBj1uxxpFYsQxH2cGHh:SKcR4mjD9r823FcJurpFYxHZG71

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2008	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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2024-1-0x0000000000BA0000-0x0000000000BB7000-memory.dmp	upx
behavioral1/memory/2024-8-0x0000000000BA0000-0x0000000000BB7000-memory.dmp	upx
behavioral1/files/0x0009000000015d23-11.dat	upx
behavioral1/memory/2008-12-0x00000000008E0000-0x00000000008F7000-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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	25519db095e1a5bde29697f85588e8de.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	25519db095e1a5bde29697f85588e8de.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2024	25519db095e1a5bde29697f85588e8de.exe
Token: SeDebugPrivilege	2008	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2008	2024	25519db095e1a5bde29697f85588e8de.exe	28
PID 2024 wrote to memory of 2008	2024	25519db095e1a5bde29697f85588e8de.exe	28
PID 2024 wrote to memory of 2008	2024	25519db095e1a5bde29697f85588e8de.exe	28
PID 2024 wrote to memory of 2008	2024	25519db095e1a5bde29697f85588e8de.exe	28

C:\Users\Admin\AppData\Local\Temp\25519db095e1a5bde29697f85588e8de.exe
"C:\Users\Admin\AppData\Local\Temp\25519db095e1a5bde29697f85588e8de.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024
- 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:2008

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:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2008-12-0x00000000008E0000-0x00000000008F7000-memory.dmp

Filesize
92KB

Download
memory/2024-1-0x0000000000BA0000-0x0000000000BB7000-memory.dmp

Filesize
92KB

Download
memory/2024-8-0x0000000000BA0000-0x0000000000BB7000-memory.dmp

Filesize
92KB

Download
memory/2024-9-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/2024-19-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads