5958f83abaef9184409a178b8d79a34d136c3dcbb0db3ac1f615fb0714f792ae

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 10:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

15f44ff0042e4fa5bd23a5b252152b6b.exe
Size

11KB
MD5

15f44ff0042e4fa5bd23a5b252152b6b
SHA1

d25259c4c5df9a46249eb233f5451d85d4164373
SHA256

5958f83abaef9184409a178b8d79a34d136c3dcbb0db3ac1f615fb0714f792ae
SHA512

1243c1a0de531aa6cb35d28a7461dabdea566cf1c7677b175ea9c024a4ef2e91de44b0f1d73f018d796f5485bb479b423f2dad2b1d11475450d0bfa6b177dc41
SSDEEP

192:RyirsYZFsmtabUmvf28YDXdxXe3c2irvrjvRdHMsNyuuZTQZ:IirsYZuGaIrXdVe3c2irvHvs9uuZ6

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
2300	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2292	thermaltinck.exe

Loads dropped DLL 2 IoCs

pid	Process
2548	15f44ff0042e4fa5bd23a5b252152b6b.exe
2548	15f44ff0042e4fa5bd23a5b252152b6b.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2548-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x00340000000170ee-3.dat	upx
behavioral1/memory/2292-11-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2548-19-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\thermaltinc.dll	15f44ff0042e4fa5bd23a5b252152b6b.exe
File created	C:\Windows\SysWOW64\thermaltinck.exe	15f44ff0042e4fa5bd23a5b252152b6b.exe
File opened for modification	C:\Windows\SysWOW64\thermaltinck.exe	15f44ff0042e4fa5bd23a5b252152b6b.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2548	15f44ff0042e4fa5bd23a5b252152b6b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2292	2548	15f44ff0042e4fa5bd23a5b252152b6b.exe	28
PID 2548 wrote to memory of 2292	2548	15f44ff0042e4fa5bd23a5b252152b6b.exe	28
PID 2548 wrote to memory of 2292	2548	15f44ff0042e4fa5bd23a5b252152b6b.exe	28
PID 2548 wrote to memory of 2292	2548	15f44ff0042e4fa5bd23a5b252152b6b.exe	28
PID 2548 wrote to memory of 2300	2548	15f44ff0042e4fa5bd23a5b252152b6b.exe	29
PID 2548 wrote to memory of 2300	2548	15f44ff0042e4fa5bd23a5b252152b6b.exe	29
PID 2548 wrote to memory of 2300	2548	15f44ff0042e4fa5bd23a5b252152b6b.exe	29
PID 2548 wrote to memory of 2300	2548	15f44ff0042e4fa5bd23a5b252152b6b.exe	29

C:\Users\Admin\AppData\Local\Temp\15f44ff0042e4fa5bd23a5b252152b6b.exe
"C:\Users\Admin\AppData\Local\Temp\15f44ff0042e4fa5bd23a5b252152b6b.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\thermaltinck.exe
  C:\Windows\system32\thermaltinck.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2292
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\15f44ff0042e4fa5bd23a5b252152b6b.exe.bat
  2⤵
  - Deletes itself
  PID:2300

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

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\15f44ff0042e4fa5bd23a5b252152b6b.exe.bat

Filesize
182B

MD5
db134f246153e877841383c14859da9f

SHA1
c9bbf51bb3b5fc0d91cbb712b673b227c1f7dd35

SHA256
4fd7d6ccb52867c013b2b42a5558fe9171912ca46b4c2d6358699bf1a02e8d54

SHA512
800d5c5f8408824e1a7867d556529582fda5a8b732660252328e10cd424bd1c07f16f49fa859342dd3214f0b10bd06b9ed40ff0aef71a9900d9c041e35724295

Download Submit
\Windows\SysWOW64\thermaltinck.exe

Filesize
11KB

MD5
15f44ff0042e4fa5bd23a5b252152b6b

SHA1
d25259c4c5df9a46249eb233f5451d85d4164373

SHA256
5958f83abaef9184409a178b8d79a34d136c3dcbb0db3ac1f615fb0714f792ae

SHA512
1243c1a0de531aa6cb35d28a7461dabdea566cf1c7677b175ea9c024a4ef2e91de44b0f1d73f018d796f5485bb479b423f2dad2b1d11475450d0bfa6b177dc41

Download Submit
memory/2292-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2548-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2548-10-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/2548-19-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download