0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3

Analysis

max time kernel
281s
max time network
177s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
08/05/2023, 22:17

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General

Target

0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe
Size

6.0MB
MD5

88e6deee81ba6c70e517b7b4dcf56b5e
SHA1

ba7c697fe8cab422e273115383a607dcdaf40079
SHA256

0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3
SHA512

3dca60a81d2871e2005fe0413b04d1ea60a88ed75e149a57628dad2693248797e2e1dece4b680855bd739e95168bc091be39673d60ef9439793c9afe49761ee6
SSDEEP

196608:K9j+W0x7IFcfMq7U4D6VR2hX0b3h/QQn:K9D0x1Mq7Us6VR2hX0NYQ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
372	TSTheme.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe
4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe
372	TSTheme.exe
372	TSTheme.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2080	4156	WerFault.exe	65

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2132	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe
4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe
372	TSTheme.exe
372	TSTheme.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 2132	4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe	66
PID 4156 wrote to memory of 2132	4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe	66
PID 4156 wrote to memory of 2132	4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe	66
PID 4156 wrote to memory of 4348	4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe	68
PID 4156 wrote to memory of 4348	4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe	68
PID 4156 wrote to memory of 4348	4156	0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe	68

C:\Users\Admin\AppData\Local\Temp\0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe
"C:\Users\Admin\AppData\Local\Temp\0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Windows\SysWOW64\schtasks.exe
  /C /create /F /sc minute /mo 5 /tn "TSTheme Server Module{Q4F5H2C4V3-J6F4M7O4-A3E4F2Q1}" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TSTheme\TSTheme.exe"
  2⤵
  - Creates scheduled task(s)
  PID:2132
- C:\Windows\SysWOW64\schtasks.exe
  /C /Query /XML /TN "TSTheme Server Module{Q4F5H2C4V3-J6F4M7O4-A3E4F2Q1}"
  2⤵
  PID:4348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 528
  2⤵
  - Program crash
  PID:2080

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TSTheme\TSTheme.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TSTheme\TSTheme.exe
1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:372

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TSTheme\TSTheme.exe

Filesize
6.0MB

MD5
88e6deee81ba6c70e517b7b4dcf56b5e

SHA1
ba7c697fe8cab422e273115383a607dcdaf40079

SHA256
0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3

SHA512
3dca60a81d2871e2005fe0413b04d1ea60a88ed75e149a57628dad2693248797e2e1dece4b680855bd739e95168bc091be39673d60ef9439793c9afe49761ee6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TSTheme\TSTheme.exe

Filesize
6.0MB

MD5
88e6deee81ba6c70e517b7b4dcf56b5e

SHA1
ba7c697fe8cab422e273115383a607dcdaf40079

SHA256
0b676a206b26be5c6aa5caa6beea20c14889f15cdc58d8c39c520807382a86d3

SHA512
3dca60a81d2871e2005fe0413b04d1ea60a88ed75e149a57628dad2693248797e2e1dece4b680855bd739e95168bc091be39673d60ef9439793c9afe49761ee6

Download Submit
memory/372-130-0x0000000000D70000-0x0000000000D71000-memory.dmp

Filesize
4KB

Download
memory/372-131-0x0000000000400000-0x0000000000D69000-memory.dmp

Filesize
9.4MB

Download
memory/4156-120-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/4156-121-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/4156-122-0x0000000000400000-0x0000000000D69000-memory.dmp

Filesize
9.4MB

Download