c6480c74c34abc54c38d99ef959693728439be2f5861276e8021b55b260624fc

Analysis

max time kernel
148s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 02:17

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General

Target

983aa7e3a64a30fd99e86256621ff73b.exe
Size

30KB
MD5

983aa7e3a64a30fd99e86256621ff73b
SHA1

48f5c5b8d84be0e0a4419e0fce28bf608106ba1e
SHA256

c6480c74c34abc54c38d99ef959693728439be2f5861276e8021b55b260624fc
SHA512

9a48208c48975bfd06f307ec52fa8b569ba53494a87b056d5527f8fab4d93d826f2b9cc60c92b75bafaa72cc265fd2361cc99cdff8b2d97e76abad5d68d1e10b
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFua:SKcR4mjD9r823Fua

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4472	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 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4876-0-0x0000000000760000-0x0000000000777000-memory.dmp	upx
behavioral2/files/0x000600000002313f-6.dat	upx
behavioral2/memory/4472-7-0x00000000002A0000-0x00000000002B7000-memory.dmp	upx
behavioral2/memory/4876-9-0x0000000000760000-0x0000000000777000-memory.dmp	upx
behavioral2/files/0x0007000000022556-12.dat	upx
behavioral2/memory/4472-31-0x00000000002A0000-0x00000000002B7000-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"	983aa7e3a64a30fd99e86256621ff73b.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	983aa7e3a64a30fd99e86256621ff73b.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4876	983aa7e3a64a30fd99e86256621ff73b.exe
Token: SeDebugPrivilege	4472	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 4472	4876	983aa7e3a64a30fd99e86256621ff73b.exe	84
PID 4876 wrote to memory of 4472	4876	983aa7e3a64a30fd99e86256621ff73b.exe	84
PID 4876 wrote to memory of 4472	4876	983aa7e3a64a30fd99e86256621ff73b.exe	84

C:\Users\Admin\AppData\Local\Temp\983aa7e3a64a30fd99e86256621ff73b.exe
"C:\Users\Admin\AppData\Local\Temp\983aa7e3a64a30fd99e86256621ff73b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4876
- 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:4472

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
352KB

MD5
39b3f21284e6a9c9473de7b0eff7941e

SHA1
a6569b7dd06e9b44b0d216a1ed282472dc69bc3b

SHA256
4fc2036c6056a7b7b3ce0b58abe2c353c6255380ebe8ec8a950ded144a613a8c

SHA512
28255e9a87ebd6bbbcbce361cc4887995cddcfb2f1891dad5554c97706bd86154baa7a4f061d436b7e88a14545f0d7dd11f79692481be4a9fbed9a5c6a2ed075

Download Submit
C:\Users\Admin\AppData\Local\Temp\pBJqkwwtYPX2hia.exe

Filesize
942B

MD5
8c9eabd80e5faef315faf3ee956f9ace

SHA1
b6ef9b3abfdaf613c3b20a1af803f2f9b9656816

SHA256
56fb55c099a5f8b3f230f7492a906daf56fa5cad86716ac32c4e87338410a1db

SHA512
8569bb2b2b7999274cab2c89d2fc10d9e76dad1f7802a203cf29fd09f1827a2dbdcbef39f8240ecfaebee6370da9a2edc23d2cc146916088743faa0c60e9e0ec

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/4472-7-0x00000000002A0000-0x00000000002B7000-memory.dmp

Filesize
92KB

Download
memory/4472-31-0x00000000002A0000-0x00000000002B7000-memory.dmp

Filesize
92KB

Download
memory/4876-0-0x0000000000760000-0x0000000000777000-memory.dmp

Filesize
92KB

Download
memory/4876-9-0x0000000000760000-0x0000000000777000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads