13c078ec540f9c9c95c00aabb21c25dc09a7c4ffd26c9526b02dc5705cc02f7b

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 21:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8a8cbe27091034ce0dbbdd5dc631106c.exe
Size

55KB
MD5

8a8cbe27091034ce0dbbdd5dc631106c
SHA1

3fe9d294b847c9413c92925df4fa39c1af824ae0
SHA256

13c078ec540f9c9c95c00aabb21c25dc09a7c4ffd26c9526b02dc5705cc02f7b
SHA512

8d8d535a4c82764ea0e64bff3cf3c18ed87b1ce1d770c4fa3145d65801a29cf08be17dc4262d9a7c56bebe619146df31d232546486a18e3da8a2c3ab5311c7d0
SSDEEP

1536:yu5dHmQt+OYASa5XVJSN69HAYDiq9dNhl84qTKqZ9Oyj:yOtmQtyza5XTSwiYDPtfs53

Score

10^/10

persistence spyware stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exeC:\\Users\\Admin\\AppData\\Roaming\\appconf32.exe,"	TSTheme.exe

Deletes itself 1 IoCs

pid	Process
2672	TSTheme.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

Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	TSTheme.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	TSTheme.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main	TSTheme.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2392	8a8cbe27091034ce0dbbdd5dc631106c.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe
2672	TSTheme.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2672	2392	8a8cbe27091034ce0dbbdd5dc631106c.exe	28
PID 2392 wrote to memory of 2672	2392	8a8cbe27091034ce0dbbdd5dc631106c.exe	28
PID 2392 wrote to memory of 2672	2392	8a8cbe27091034ce0dbbdd5dc631106c.exe	28
PID 2392 wrote to memory of 2672	2392	8a8cbe27091034ce0dbbdd5dc631106c.exe	28
PID 2392 wrote to memory of 2672	2392	8a8cbe27091034ce0dbbdd5dc631106c.exe	28
PID 2392 wrote to memory of 2672	2392	8a8cbe27091034ce0dbbdd5dc631106c.exe	28
PID 2392 wrote to memory of 2672	2392	8a8cbe27091034ce0dbbdd5dc631106c.exe	28
PID 2672 wrote to memory of 3016	2672	TSTheme.exe	31
PID 2672 wrote to memory of 3016	2672	TSTheme.exe	31
PID 2672 wrote to memory of 3016	2672	TSTheme.exe	31
PID 2672 wrote to memory of 3016	2672	TSTheme.exe	31
PID 2672 wrote to memory of 2616	2672	TSTheme.exe	32
PID 2672 wrote to memory of 2616	2672	TSTheme.exe	32
PID 2672 wrote to memory of 2616	2672	TSTheme.exe	32
PID 2672 wrote to memory of 2616	2672	TSTheme.exe	32
PID 2672 wrote to memory of 2616	2672	TSTheme.exe	32
PID 2672 wrote to memory of 2616	2672	TSTheme.exe	32
PID 2672 wrote to memory of 2616	2672	TSTheme.exe	32
PID 2672 wrote to memory of 2616	2672	TSTheme.exe	32
PID 2672 wrote to memory of 2616	2672	TSTheme.exe	32

C:\Users\Admin\AppData\Local\Temp\8a8cbe27091034ce0dbbdd5dc631106c.exe
"C:\Users\Admin\AppData\Local\Temp\8a8cbe27091034ce0dbbdd5dc631106c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\TSTheme.exe
  C:\Windows\system32\TSTheme.exe
  2⤵
  - Modifies WinLogon for persistence
  - Deletes itself
  - Modifies Internet Explorer Protected Mode
  - Modifies Internet Explorer Protected Mode Banner
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:3016
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

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

memory/2392-1-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2392-2-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2392-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2392-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2616-32-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2616-45-0x0000000076400000-0x0000000076510000-memory.dmp

Filesize
1.1MB

Download
memory/2616-39-0x0000000077CDF000-0x0000000077CE0000-memory.dmp

Filesize
4KB

Download
memory/2616-37-0x0000000000170000-0x000000000017D000-memory.dmp

Filesize
52KB

Download
memory/2616-34-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2616-33-0x0000000076400000-0x0000000076510000-memory.dmp

Filesize
1.1MB

Download
memory/2672-6-0x0000000000150000-0x000000000015D000-memory.dmp

Filesize
52KB

Download
memory/2672-21-0x0000000000150000-0x000000000015D000-memory.dmp

Filesize
52KB

Download
memory/2672-17-0x0000000077CDF000-0x0000000077CE0000-memory.dmp

Filesize
4KB

Download
memory/2672-16-0x0000000000150000-0x000000000015D000-memory.dmp

Filesize
52KB

Download
memory/2672-14-0x0000000000150000-0x000000000015D000-memory.dmp

Filesize
52KB

Download
memory/2672-38-0x0000000000150000-0x000000000015D000-memory.dmp

Filesize
52KB

Download
memory/2672-11-0x0000000077CDF000-0x0000000077CE0000-memory.dmp

Filesize
4KB

Download
memory/2672-5-0x0000000000150000-0x000000000015D000-memory.dmp

Filesize
52KB

Download