4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff

Analysis

max time kernel
131s
max time network
46s
platform
windows10_x64
resource
win10v200430
submitted
15/07/2020, 10:24

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General

Target
4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe
Size 2.2MB
Sample200715-pbhmxtsacx
SHA256 4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff
MD5 61104bf5ed79a45cb1e62e7af3b3c25f
SHA1 3e8f15effacf33c3c9beae055cac9e30082465aa
SHA512 7cafa97731769c946610e5b70426517995a4a80813b79779b94df924dadbb9bfee1bacbec600785c8cc8f4f91d0325f750ddaebec4453ebeacb81d925cf2781b
MD5 SHA1 SHA512

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
2908	@AEE29A.tmp.exe
2128	4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe
3936	WdExt.exe
3888	launch.exe
3016	wtmps.exe
3184	mscaps.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2908	@AEE29A.tmp.exe
2908	@AEE29A.tmp.exe
3936	WdExt.exe
3936	WdExt.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe
3888	launch.exe

Loads dropped DLL 2 IoCs

pid	Process
2908	@AEE29A.tmp.exe
3936	WdExt.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SAP\SapSetup\LOGs\4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.log	4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender Extension = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Defender\\launch.exe\""	launch.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mscaps.exe	wtmps.exe
File opened for modification	C:\Windows\SysWOW64\mscaps.exe	wtmps.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 1920	1592	4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe	68
PID 1592 wrote to memory of 1920	1592	4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe	68
PID 1592 wrote to memory of 1920	1592	4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe	68
PID 1592 wrote to memory of 1920	1592	4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe	68
PID 1592 wrote to memory of 1920	1592	4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe	68
PID 1920 wrote to memory of 2908	1920	explorer.exe	69
PID 1920 wrote to memory of 2908	1920	explorer.exe	69
PID 1920 wrote to memory of 2908	1920	explorer.exe	69
PID 1920 wrote to memory of 2128	1920	explorer.exe	70
PID 1920 wrote to memory of 2128	1920	explorer.exe	70
PID 1920 wrote to memory of 2128	1920	explorer.exe	70
PID 2908 wrote to memory of 2504	2908	@AEE29A.tmp.exe	71
PID 2908 wrote to memory of 2504	2908	@AEE29A.tmp.exe	71
PID 2908 wrote to memory of 2504	2908	@AEE29A.tmp.exe	71
PID 2908 wrote to memory of 2576	2908	@AEE29A.tmp.exe	72
PID 2908 wrote to memory of 2576	2908	@AEE29A.tmp.exe	72
PID 2908 wrote to memory of 2576	2908	@AEE29A.tmp.exe	72
PID 2504 wrote to memory of 3936	2504	cmd.exe	75
PID 2504 wrote to memory of 3936	2504	cmd.exe	75
PID 2504 wrote to memory of 3936	2504	cmd.exe	75
PID 3936 wrote to memory of 3780	3936	WdExt.exe	76
PID 3936 wrote to memory of 3780	3936	WdExt.exe	76
PID 3936 wrote to memory of 3780	3936	WdExt.exe	76
PID 3780 wrote to memory of 3888	3780	cmd.exe	78
PID 3780 wrote to memory of 3888	3780	cmd.exe	78
PID 3780 wrote to memory of 3888	3780	cmd.exe	78
PID 3888 wrote to memory of 3420	3888	launch.exe	79
PID 3888 wrote to memory of 3420	3888	launch.exe	79
PID 3888 wrote to memory of 3420	3888	launch.exe	79
PID 3420 wrote to memory of 3016	3420	cmd.exe	81
PID 3420 wrote to memory of 3016	3420	cmd.exe	81
PID 3420 wrote to memory of 3016	3420	cmd.exe	81
PID 3016 wrote to memory of 3184	3016	wtmps.exe	82
PID 3016 wrote to memory of 3184	3016	wtmps.exe	82
PID 3016 wrote to memory of 3184	3016	wtmps.exe	82

C:\Users\Admin\AppData\Local\Temp\4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe
"C:\Users\Admin\AppData\Local\Temp\4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Users\Admin\AppData\Local\Temp\@AEE29A.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\@AEE29A.tmp.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2908
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2504
    - - C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3936
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:3780
        
        C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 3936
        7⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:3888
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:3420
        
        C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        
        "C:\Users\Admin\AppData\Local\Temp\wtmps.exe"
        9⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:3016
        
        C:\Windows\SysWOW64\mscaps.exe
        
        "C:\Windows\system32\mscaps.exe" /C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        10⤵
        Executes dropped EXE
        
        PID:3184
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
      4⤵
      PID:2576
- - C:\Users\Admin\AppData\Local\Temp\4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe
    "C:\Users\Admin\AppData\Local\Temp\4381a308bc9ea8d3c7371878e8c8e0f4f031f8abfd83149df88af5a8ebdd9bff.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    PID:2128

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/2908-6-0x0000000010000000-0x0000000010015000-memory.dmp

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