91d03837e1c8312957a866604bcf1182ece7944799934c55e3ecd5ad8feb6824

Analysis

max time kernel
145s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 02:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

451777863f46bc47cbaa5028de1c6259.exe
Size

59KB
MD5

451777863f46bc47cbaa5028de1c6259
SHA1

3075df3543505b797b0c321786ea3e01864f600c
SHA256

91d03837e1c8312957a866604bcf1182ece7944799934c55e3ecd5ad8feb6824
SHA512

b08fd2040ab3b9cd06a652fa05cd2b0d9139ac407d4037d1da7109c54419c458d284d2427c389eb5aa210072125f4b2733a91482f7b105b0e3dd8486c22f556a
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3D:SKcR4mjD9r823FHKcR4mjD9r823Fy

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3720	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 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3284-0-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx
behavioral2/memory/3284-3-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx
behavioral2/memory/3284-7-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx
behavioral2/files/0x00060000000231ec-9.dat	upx
behavioral2/memory/3720-10-0x0000000000690000-0x00000000006A7000-memory.dmp	upx
behavioral2/memory/3284-12-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx
behavioral2/files/0x00020000000227a5-15.dat	upx
behavioral2/memory/3720-29-0x0000000000690000-0x00000000006A7000-memory.dmp	upx
behavioral2/files/0x000800000001e712-33.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"	451777863f46bc47cbaa5028de1c6259.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	451777863f46bc47cbaa5028de1c6259.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3284	451777863f46bc47cbaa5028de1c6259.exe
Token: SeDebugPrivilege	3720	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 3720	3284	451777863f46bc47cbaa5028de1c6259.exe	91
PID 3284 wrote to memory of 3720	3284	451777863f46bc47cbaa5028de1c6259.exe	91
PID 3284 wrote to memory of 3720	3284	451777863f46bc47cbaa5028de1c6259.exe	91

C:\Users\Admin\AppData\Local\Temp\451777863f46bc47cbaa5028de1c6259.exe
"C:\Users\Admin\AppData\Local\Temp\451777863f46bc47cbaa5028de1c6259.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3284
- 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:3720

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
382KB

MD5
6811a4ad0465b13e5438eab077019326

SHA1
9efaa3eb726c1a965a5602363bf71fe43a9ec397

SHA256
a582f6a102b9a99dfac47f92ec74dc7c1ddaa8a720c903d24af8313fbff0d0e9

SHA512
78ade70357fa6859843f1e93d36d80a6cd17a0f790534f1628f3793df31dfb6ca4c7d9e51b34fa07e581136e9366af22a5b41296a61584aa68c278acc2b529f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\e10fZhLLctVFXc7.exe

Filesize
59KB

MD5
65c2dd3b35d004b15e61a2c14b9197c0

SHA1
70b3d9b25215960ace2546a53f4cd736cf59362c

SHA256
679a4570c6f471ddd237c994b5fafdb782e2aae548a970f3bf6babacb727460e

SHA512
a8ab81f00e2ae3a74d476b7b75cfb5d996c4c1531a729904b6aa5afec525aac149aabdae811d40895e5a9f1244a284f1495faa2ada0d2997af90f22a064d51c7

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/3284-0-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download
memory/3284-3-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download
memory/3284-7-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download
memory/3284-12-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download
memory/3720-10-0x0000000000690000-0x00000000006A7000-memory.dmp

Filesize
92KB

Download
memory/3720-29-0x0000000000690000-0x00000000006A7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads