46b29fc514589a1671da29ef67c593086a66359a66ff800ca530887620d98bc6

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7
submitted
16-07-2020 15:15

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General

Target

18490162.exe
Size

506KB
MD5

b05a1050b277928895e7550be42af992
SHA1

d34b50cb518808a0c47108cfb6f5cde7f7b08fad
SHA256

46b29fc514589a1671da29ef67c593086a66359a66ff800ca530887620d98bc6
SHA512

8bc5c7896bf12568f8b9136e424416e72ebde7a16181fd529a608b7fe63383eda073f8ca108c107d7e7f64ba171eec20b0bad2547e26e5cb113062a44dcaab87

Score

8^/10

persistence

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1500	18490162.exe
1500	18490162.exe
1500	18490162.exe
1776	application.exe
1776	application.exe
1776	application.exe
1988	RegAsm.exe
1988	RegAsm.exe
2040	wlanext.exe
2040	wlanext.exe
2040	wlanext.exe
2040	wlanext.exe
2040	wlanext.exe
2040	wlanext.exe
2040	wlanext.exe
2040	wlanext.exe
2040	wlanext.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 1040	1500	18490162.exe	24
PID 1500 wrote to memory of 1040	1500	18490162.exe	24
PID 1500 wrote to memory of 1040	1500	18490162.exe	24
PID 1500 wrote to memory of 1040	1500	18490162.exe	24
PID 1040 wrote to memory of 1516	1040	cmd.exe	26
PID 1040 wrote to memory of 1516	1040	cmd.exe	26
PID 1040 wrote to memory of 1516	1040	cmd.exe	26
PID 1040 wrote to memory of 1516	1040	cmd.exe	26
PID 1500 wrote to memory of 1776	1500	18490162.exe	27
PID 1500 wrote to memory of 1776	1500	18490162.exe	27
PID 1500 wrote to memory of 1776	1500	18490162.exe	27
PID 1500 wrote to memory of 1776	1500	18490162.exe	27
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1776 wrote to memory of 1988	1776	application.exe	30
PID 1228 wrote to memory of 2040	1228	Explorer.EXE	31
PID 1228 wrote to memory of 2040	1228	Explorer.EXE	31
PID 1228 wrote to memory of 2040	1228	Explorer.EXE	31
PID 1228 wrote to memory of 2040	1228	Explorer.EXE	31
PID 2040 wrote to memory of 2016	2040	wlanext.exe	32
PID 2040 wrote to memory of 2016	2040	wlanext.exe	32
PID 2040 wrote to memory of 2016	2040	wlanext.exe	32
PID 2040 wrote to memory of 2016	2040	wlanext.exe	32

Loads dropped DLL 3 IoCs

pid	Process
1500	18490162.exe
1776	application.exe
1988	RegAsm.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1988	RegAsm.exe
1988	RegAsm.exe
1988	RegAsm.exe
2040	wlanext.exe
2040	wlanext.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\application = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\application.exe"	reg.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	18490162.exe
Token: SeDebugPrivilege	1776	application.exe
Token: SeDebugPrivilege	1988	RegAsm.exe
Token: SeDebugPrivilege	2040	wlanext.exe

Executes dropped EXE 2 IoCs

pid	Process
1776	application.exe
1988	RegAsm.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1776 set thread context of 1988	1776	application.exe	30
PID 1988 set thread context of 1228	1988	RegAsm.exe	20
PID 2040 set thread context of 1228	2040	wlanext.exe	20

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1228
- C:\Users\Admin\AppData\Local\Temp\18490162.exe
  "C:\Users\Admin\AppData\Local\Temp\18490162.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  PID:1500
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\application.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1040
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\application.exe"
      4⤵
      Adds Run key to start application
      PID:1516
- - C:\Users\Admin\AppData\Roaming\application.exe
    "C:\Users\Admin\AppData\Roaming\application.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    PID:1776
  - - C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
      "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Loads dropped DLL
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Executes dropped EXE
      Suspicious use of SetThreadContext
      PID:1988
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetThreadContext
  PID:2040
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
    3⤵
    PID:2016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1988-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2040-19-0x0000000000C90000-0x0000000000CA6000-memory.dmp

Filesize
88KB

Download
memory/2040-21-0x0000000000B30000-0x0000000000C52000-memory.dmp

Filesize
1.1MB

Download