246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070

General

Target

246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe
Size

266KB
MD5

1f9b41e5897be069ac12e8ed31bbdff0
SHA1

a2a25321ae0795f7c153f864fd1129ed7c04463d
SHA256

246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070
SHA512

167532565ce8158d46beafc461c8f87a394fc6c18af93f9999da5a4069130af12fee1b0b5932bba2e05328e450226398e5be452c9b853a91cce0afc53949434a
SSDEEP

6144:oZb2qa7hSrXqp2Rwsg6e9Q7OrM/ZVkLzL:ooq0hSbqcwtIWMxVkz

Score

9^/10

persistence spyware stealer upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1764-0-0x0000000000E30000-0x0000000000E48000-memory.dmp	UPX
C:\Windows\CTS.exe	UPX
behavioral1/memory/2864-10-0x0000000000330000-0x0000000000348000-memory.dmp	UPX
behavioral1/memory/1764-8-0x0000000000E30000-0x0000000000E48000-memory.dmp	UPX
C:\Users\Admin\AppData\Local\Temp\Ko4irz90ViqGoo7.exe	UPX
behavioral1/memory/2864-15-0x0000000000330000-0x0000000000348000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

Processes:

CTS.exe

pid process

2864 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

pid	process
2864	CTS.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1764-0-0x0000000000E30000-0x0000000000E48000-memory.dmp	upx
C:\Windows\CTS.exe	upx
behavioral1/memory/2864-10-0x0000000000330000-0x0000000000348000-memory.dmp	upx
behavioral1/memory/1764-8-0x0000000000E30000-0x0000000000E48000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\Ko4irz90ViqGoo7.exe	upx
behavioral1/memory/2864-15-0x0000000000330000-0x0000000000348000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exeCTS.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.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

Processes:

246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exeCTS.exe

description	ioc	process
File created	C:\Windows\CTS.exe	246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exeCTS.exe

description	pid	process
Token: SeDebugPrivilege	1764	246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe
Token: SeDebugPrivilege	2864	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe

description	pid	process	target process
PID 1764 wrote to memory of 2864	1764	246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe	CTS.exe
PID 1764 wrote to memory of 2864	1764	246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe	CTS.exe
PID 1764 wrote to memory of 2864	1764	246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe	CTS.exe
PID 1764 wrote to memory of 2864	1764	246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe	CTS.exe

C:\Users\Admin\AppData\Local\Temp\246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe
"C:\Users\Admin\AppData\Local\Temp\246333010e12b606190c247d03270fedd1ae76186fe14b0172a9fe15e6d50070.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764

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:2864

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Ko4irz90ViqGoo7.exe
Filesize
266KB

MD5
39af12dd0f3b02e404313d7ac7b90d21

SHA1
6398863137891c0fbabda46ee2e28884976ea34b

SHA256
4019ef6f109c0fa529a55b81c76e1224f0fc99d14994ceabb87b33bca3d13b47

SHA512
59a32852900a98e50f7dc77930acf25607034f1a9e43e484de0fec9244ce9ad9bd05647b1a4de6b91506cc82ee0bd1a7eb6ef5f4c385d9f93c8a9aaa4a3cd8f2

Download Submit
C:\Windows\CTS.exe
Filesize
80KB

MD5
b596af3e5821c709a22c661155600a7e

SHA1
9c1563c6c6374f63d8cf92098a5780d614ff7759

SHA256
62ca133a4dac1f07c692b02092b18fa72fffb435be0e52a89e4e4f22c9f53624

SHA512
ddbe2fcad0ace16e2c92a4ca3e499c1639bbc6b40bf8c9549cad133ef7e1f6431ea90f7be27cf7de393328564715ec38e2a829adc7e7b64d69aa90eed99e9baf

Download Submit
memory/1764-0-0x0000000000E30000-0x0000000000E48000-memory.dmp

Filesize
96KB

Download
memory/1764-8-0x0000000000E30000-0x0000000000E48000-memory.dmp

Filesize
96KB

Download
memory/2864-10-0x0000000000330000-0x0000000000348000-memory.dmp

Filesize
96KB

Download
memory/2864-15-0x0000000000330000-0x0000000000348000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads