6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7v20201028
submitted
13/11/2020, 15:58

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General

Target
6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe
Size 14.4MB
Sample201113-edd745k5se
SHA256 6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819
MD5 cc3f9799f13e9825ba4059f8c156df69
SHA1 467a644301337bb474d49c544174a789ca7b37f3
SHA512 a0720c1c0fa3f47eda64207122d7f5a2ec3bd209a819480c253e59902425c5cad1ddff2fdff9ba762b86e0f14d559e231374b92a1dbe0e60fe1b0b93088a79e1
MD5 SHA1 SHA512

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Creates new service(s) 1 TTPs
persistence

New Service
T1050

Executes dropped EXE 1 IoCs

pid	Process
600	ywiiee.exe

Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Deletes itself 1 IoCs

pid	Process
272	cmd.exe

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\napagent\LocalConfig\UI	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\LocalConfig	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\napagent\LocalConfig\Enroll\HcsGroups	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Shas	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Qecs	netsh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 600 set thread context of 328	600	ywiiee.exe	44

Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 1676	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	29
PID 1644 wrote to memory of 1676	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	29
PID 1644 wrote to memory of 1676	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	29
PID 1644 wrote to memory of 1676	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	29
PID 1644 wrote to memory of 316	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	31
PID 1644 wrote to memory of 316	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	31
PID 1644 wrote to memory of 316	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	31
PID 1644 wrote to memory of 316	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	31
PID 1644 wrote to memory of 1672	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	33
PID 1644 wrote to memory of 1672	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	33
PID 1644 wrote to memory of 1672	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	33
PID 1644 wrote to memory of 1672	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	33
PID 1644 wrote to memory of 1612	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	35
PID 1644 wrote to memory of 1612	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	35
PID 1644 wrote to memory of 1612	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	35
PID 1644 wrote to memory of 1612	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	35
PID 1644 wrote to memory of 1084	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	37
PID 1644 wrote to memory of 1084	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	37
PID 1644 wrote to memory of 1084	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	37
PID 1644 wrote to memory of 1084	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	37
PID 1644 wrote to memory of 268	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	40
PID 1644 wrote to memory of 268	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	40
PID 1644 wrote to memory of 268	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	40
PID 1644 wrote to memory of 268	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	40
PID 1644 wrote to memory of 272	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	42
PID 1644 wrote to memory of 272	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	42
PID 1644 wrote to memory of 272	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	42
PID 1644 wrote to memory of 272	1644	6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe	42
PID 600 wrote to memory of 328	600	ywiiee.exe	44
PID 600 wrote to memory of 328	600	ywiiee.exe	44
PID 600 wrote to memory of 328	600	ywiiee.exe	44
PID 600 wrote to memory of 328	600	ywiiee.exe	44
PID 600 wrote to memory of 328	600	ywiiee.exe	44
PID 600 wrote to memory of 328	600	ywiiee.exe	44

C:\Users\Admin\AppData\Local\Temp\6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe
"C:\Users\Admin\AppData\Local\Temp\6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bcenoupy\
  2⤵
  PID:1676
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ywiiee.exe" C:\Windows\SysWOW64\bcenoupy\
  2⤵
  PID:316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bcenoupy binPath= "C:\Windows\SysWOW64\bcenoupy\ywiiee.exe" type= own start= auto DisplayName= "P2P Support"
  2⤵
  PID:1672
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bcenoupy "Internet Mobile Support"
  2⤵
  PID:1612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bcenoupy
  2⤵
  PID:1084
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies service
  PID:268
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\2738.bat" "
  2⤵
  - Deletes itself
  PID:272

C:\Windows\SysWOW64\bcenoupy\ywiiee.exe
C:\Windows\SysWOW64\bcenoupy\ywiiee.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:600
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

New Service

T1050

Privilege Escalation

New Service

T1050

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/328-10-0x0000000000080000-0x0000000000095000-memory.dmp

Download

memory/328-12-0x0000000000080000-0x0000000000095000-memory.dmp