c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c

Analysis

max time kernel
188s
max time network
212s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 19:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe
Size

332KB
MD5

199ad038c9ec251189c94b8897f2b5aa
SHA1

7a520b35a26de8bf87ba1eb70a9869df4141145a
SHA256

c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c
SHA512

9c68465f3cb0331898987a5a3e39ba95c1f0bb993884c5996019a78c23eb73191e9a88ba02f36b0296397b7ba1bcc28feb932d7d548ad6412b769ab65497311c
SSDEEP

6144:idrxd5uwI0ckSoWajQy/n5rQ52X+d4GFm/qRC:6oFoWaUyS0X+d4hqRC

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3628	mytnra.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3628-143-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/3628-148-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/3628-150-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/3628-151-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/3628-152-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/3628-153-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/3628-154-0x0000000000400000-0x0000000000446000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1448 set thread context of 3628	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	85

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
944	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3628	mytnra.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 1188	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	83
PID 1448 wrote to memory of 1188	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	83
PID 1448 wrote to memory of 1188	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	83
PID 1448 wrote to memory of 3628	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	85
PID 1448 wrote to memory of 3628	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	85
PID 1448 wrote to memory of 3628	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	85
PID 1448 wrote to memory of 3628	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	85
PID 1448 wrote to memory of 3628	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	85
PID 1448 wrote to memory of 3628	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	85
PID 1448 wrote to memory of 3628	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	85
PID 1448 wrote to memory of 3628	1448	c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe	85
PID 1188 wrote to memory of 944	1188	cmd.exe	86
PID 1188 wrote to memory of 944	1188	cmd.exe	86
PID 1188 wrote to memory of 944	1188	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe
"C:\Users\Admin\AppData\Local\Temp\c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c REG ADD HKCU\Software\Microsoft\WindowsCurrentVersion\Run /v Microsoft /t REG_EXPAND_SZ /d C:\Users\Admin\AppData\Roaming\mytnra.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1188
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKCU\Software\Microsoft\WindowsCurrentVersion\Run /v Microsoft /t REG_EXPAND_SZ /d C:\Users\Admin\AppData\Roaming\mytnra.exe
    3⤵
    - Modifies registry key
    PID:944
- C:\Users\Admin\AppData\Local\Temp\mytnra.exe
  C:\Users\Admin\AppData\Local\Temp\mytnra.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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\mytnra.exe

Filesize
332KB

MD5
199ad038c9ec251189c94b8897f2b5aa

SHA1
7a520b35a26de8bf87ba1eb70a9869df4141145a

SHA256
c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c

SHA512
9c68465f3cb0331898987a5a3e39ba95c1f0bb993884c5996019a78c23eb73191e9a88ba02f36b0296397b7ba1bcc28feb932d7d548ad6412b769ab65497311c

Download Submit
C:\Users\Admin\AppData\Local\Temp\mytnra.exe

Filesize
332KB

MD5
199ad038c9ec251189c94b8897f2b5aa

SHA1
7a520b35a26de8bf87ba1eb70a9869df4141145a

SHA256
c8b0120756f0bdfff7707ed61410cc23013d7e301a16c7d7e16280970da2f70c

SHA512
9c68465f3cb0331898987a5a3e39ba95c1f0bb993884c5996019a78c23eb73191e9a88ba02f36b0296397b7ba1bcc28feb932d7d548ad6412b769ab65497311c

Download Submit
memory/1448-132-0x0000000065380000-0x00000000653A6000-memory.dmp

Filesize
152KB

Download
memory/3628-143-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3628-148-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3628-150-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3628-151-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3628-152-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3628-153-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3628-154-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download