27c347612d0c45694f12436b87212c0bd97c7d5c9762c47364f2ade9facf5d7a

Analysis

max time kernel
135s
max time network
148s
platform
windows10_x64
resource
win10
submitted
15/07/2020, 08:24

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General

Target
bid,07.14.2020.doc
Size 114KB
Sample200715-fflnmkn97n
SHA256 27c347612d0c45694f12436b87212c0bd97c7d5c9762c47364f2ade9facf5d7a
MD5 1ad7530b47a689dfd2bc241900b715a9
SHA1 3d337cb0e3bd1812a76aadaa01082244bdd3192b
SHA512 6221af3288fe8cef5a665c5bac6f2e873e7924f6625101df8f7b10bfc81b4ca4d8519fef26b30a45f36295357c06bbc6c003a9316cb911fadf38783bbb20edff
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE
3372	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3372	WINWORD.EXE
3372	WINWORD.EXE

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	1484	3372	regsvr32.exe	66

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 1484	3372	WINWORD.EXE	73
PID 3372 wrote to memory of 1484	3372	WINWORD.EXE	73

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

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\bid,07.14.2020.doc" /o ""
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
PID:3372
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 Tm.tmp
  2⤵
  - Process spawned unexpected child process
  PID:1484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3372-0-0x0000020AAC25A000-0x0000020AAC25F000-memory.dmp

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memory/3372-1-0x0000020AAC259000-0x0000020AAC25A000-memory.dmp

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memory/3372-2-0x0000020AAC4B9000-0x0000020AAC4BB000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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