8bbe03f0a57a2ddba3a711e4a17473722a2ff754bd0378d60b23190b4bdb6943

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 08:47

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General

Target

61034de4b3639c270db80df12390faaa.exe
Size

126KB
MD5

61034de4b3639c270db80df12390faaa
SHA1

aa9a96e91f531326c2260ad7c7531d0e1a37c5ba
SHA256

8bbe03f0a57a2ddba3a711e4a17473722a2ff754bd0378d60b23190b4bdb6943
SHA512

69ea2d5a1a43fe46c01286c451f7314086bdd5750d2a699226adaae475520547ba885ae1b69cd664cccfa931bb7b1e949816dd646c1b846123e16b4a2f6e74ed
SSDEEP

3072:SKcWmjRrz3ZKcWmjRrz3PtupvLaPGKxyFq7z:hGyGPtupvLyMFI

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3060	U9ghq4YwZE1LMTv.exe
2672	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
2920	61034de4b3639c270db80df12390faaa.exe
2920	61034de4b3639c270db80df12390faaa.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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2672-19-0x0000000000EE0000-0x0000000000EF7000-memory.dmp	upx
behavioral1/memory/2920-14-0x0000000000030000-0x0000000000047000-memory.dmp	upx
behavioral1/memory/2920-0-0x0000000000030000-0x0000000000047000-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"	61034de4b3639c270db80df12390faaa.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	61034de4b3639c270db80df12390faaa.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2920	61034de4b3639c270db80df12390faaa.exe
Token: SeDebugPrivilege	2672	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 3060	2920	61034de4b3639c270db80df12390faaa.exe	18
PID 2920 wrote to memory of 3060	2920	61034de4b3639c270db80df12390faaa.exe	18
PID 2920 wrote to memory of 3060	2920	61034de4b3639c270db80df12390faaa.exe	18
PID 2920 wrote to memory of 3060	2920	61034de4b3639c270db80df12390faaa.exe	18
PID 2920 wrote to memory of 2672	2920	61034de4b3639c270db80df12390faaa.exe	17
PID 2920 wrote to memory of 2672	2920	61034de4b3639c270db80df12390faaa.exe	17
PID 2920 wrote to memory of 2672	2920	61034de4b3639c270db80df12390faaa.exe	17
PID 2920 wrote to memory of 2672	2920	61034de4b3639c270db80df12390faaa.exe	17

C:\Users\Admin\AppData\Local\Temp\61034de4b3639c270db80df12390faaa.exe
"C:\Users\Admin\AppData\Local\Temp\61034de4b3639c270db80df12390faaa.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920
- 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:2672
- C:\Users\Admin\AppData\Local\Temp\U9ghq4YwZE1LMTv.exe
  C:\Users\Admin\AppData\Local\Temp\U9ghq4YwZE1LMTv.exe
  2⤵
  - Executes dropped EXE
  PID:3060

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

memory/2672-19-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

Filesize
92KB

Download
memory/2920-18-0x0000000000100000-0x0000000000117000-memory.dmp

Filesize
92KB

Download
memory/2920-15-0x0000000000100000-0x0000000000117000-memory.dmp

Filesize
92KB

Download
memory/2920-14-0x0000000000030000-0x0000000000047000-memory.dmp

Filesize
92KB

Download
memory/2920-0-0x0000000000030000-0x0000000000047000-memory.dmp

Filesize
92KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads