e6afaabd1e4a2c7adeedca6ee0ed095271a53a293162e3cf7ed52d570279258e

General

Target

document.docm
Size

68KB
MD5

da3992522a61736e5dbc5c32978f05fe
SHA1

670f0d608571fa8d799a98232cf2c16e8ccb9289
SHA256

e6afaabd1e4a2c7adeedca6ee0ed095271a53a293162e3cf7ed52d570279258e
SHA512

a2c3eee48add8eabf4fbe86a9e699fda302c143823f6ea3a629becf03d3d539aacfeabce52514e4b73e0db6d827031aec13e576a113f0aec92d0f7eb92f1c32a

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.

Processes:

mshta.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3988	508	mshta.exe	WINWORD.EXE

Blocklisted process makes network request 3 IoCs

Processes:

mshta.exe

flow pid process

24 3988 mshta.exe
26 3988 mshta.exe
28 3988 mshta.exe
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

task-7655.exe

pid process

1292 task-7655.exe

flow	pid	process
24	3988	mshta.exe
26	3988	mshta.exe
28	3988	mshta.exe

pid	process
1292	task-7655.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
File opened (read-only)	\??\N:	WINWORD.EXE
File opened (read-only)	\??\Q:	WINWORD.EXE
File opened (read-only)	\??\R:	WINWORD.EXE
File opened (read-only)	\??\T:	WINWORD.EXE
File opened (read-only)	\??\U:	WINWORD.EXE
File opened (read-only)	\??\X:	WINWORD.EXE
File opened (read-only)	\??\G:	WINWORD.EXE
File opened (read-only)	\??\I:	WINWORD.EXE
File opened (read-only)	\??\O:	WINWORD.EXE
File opened (read-only)	\??\P:	WINWORD.EXE
File opened (read-only)	\??\V:	WINWORD.EXE
File opened (read-only)	\??\W:	WINWORD.EXE
File opened (read-only)	\??\B:	WINWORD.EXE
File opened (read-only)	\??\L:	WINWORD.EXE
File opened (read-only)	\??\F:	WINWORD.EXE
File opened (read-only)	\??\H:	WINWORD.EXE
File opened (read-only)	\??\J:	WINWORD.EXE
File opened (read-only)	\??\S:	WINWORD.EXE
File opened (read-only)	\??\Z:	WINWORD.EXE
File opened (read-only)	\??\A:	WINWORD.EXE
File opened (read-only)	\??\E:	WINWORD.EXE
File opened (read-only)	\??\Y:	WINWORD.EXE
File opened (read-only)	\??\K:	WINWORD.EXE
File opened (read-only)	\??\M:	WINWORD.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Processes:

WINWORD.EXE

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

Processes:

WINWORD.EXE

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

Script User-Agent 3 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	24	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	26	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	28	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

508 WINWORD.EXE
508 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeShutdownPrivilege 508 WINWORD.EXE
Token: SeCreatePagefilePrivilege 508 WINWORD.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

508 WINWORD.EXE
508 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

508 WINWORD.EXE
508 WINWORD.EXE
508 WINWORD.EXE
508 WINWORD.EXE
508 WINWORD.EXE
508 WINWORD.EXE
508 WINWORD.EXE
508 WINWORD.EXE

pid	process
508	WINWORD.EXE
508	WINWORD.EXE

description	pid	process
Token: SeShutdownPrivilege	508	WINWORD.EXE
Token: SeCreatePagefilePrivilege	508	WINWORD.EXE

pid	process
508	WINWORD.EXE
508	WINWORD.EXE

pid	process
508	WINWORD.EXE
508	WINWORD.EXE
508	WINWORD.EXE
508	WINWORD.EXE
508	WINWORD.EXE
508	WINWORD.EXE
508	WINWORD.EXE
508	WINWORD.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

WINWORD.EXEmshta.exe

description	pid	process	target process
PID 508 wrote to memory of 504	508	WINWORD.EXE	splwow64.exe
PID 508 wrote to memory of 504	508	WINWORD.EXE	splwow64.exe
PID 508 wrote to memory of 3988	508	WINWORD.EXE	mshta.exe
PID 508 wrote to memory of 3988	508	WINWORD.EXE	mshta.exe
PID 3988 wrote to memory of 1292	3988	mshta.exe	task-7655.exe
PID 3988 wrote to memory of 1292	3988	mshta.exe	task-7655.exe
PID 3988 wrote to memory of 1292	3988	mshta.exe	task-7655.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\document.docm" /o ""
1⤵
- Enumerates connected drives
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:508

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:504

C:\Windows\SYSTEM32\mshta.exe
mshta.exe "about:<script language=VBScript>moveTo 0,-9999:Execute(CreateObject("Scripting.FileSystemObject").GetStandardStream(0).ReadAll()):sub window_onload:Close:End Sub</script><hta:application showintaskbar=no />"
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3988

C:\Users\Admin\AppData\Local\Temp\task-7655.exe
"C:\Users\Admin\AppData\Local\Temp\task-7655.exe"
3⤵
- Executes dropped EXE
PID:1292

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\task-7655.exe
MD5
ff9114e748fe6848ffe61cad56a10622

SHA1
92d27cf7f04ae2213bc94fafa554247565ea7253

SHA256
6f406656b410d72762ddc2419076efadc16d07e9a1e7b10fd91e9c53281efe06

SHA512
6ec36ab0c2df6046ca2b1251cc736753892fd8514366ee8b395e276e5c31fe6e6c743ea94c7b5b8a63b773584bf3ad788d3be77c3d3ad2cdb2b62aab15c4a54e

Download Submit
C:\Users\Admin\AppData\Local\Temp\task-7655.exe
MD5
ff9114e748fe6848ffe61cad56a10622

SHA1
92d27cf7f04ae2213bc94fafa554247565ea7253

SHA256
6f406656b410d72762ddc2419076efadc16d07e9a1e7b10fd91e9c53281efe06

SHA512
6ec36ab0c2df6046ca2b1251cc736753892fd8514366ee8b395e276e5c31fe6e6c743ea94c7b5b8a63b773584bf3ad788d3be77c3d3ad2cdb2b62aab15c4a54e

Download Submit
memory/504-179-0x0000000000000000-mapping.dmp

Download
memory/508-119-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/508-181-0x000001AB0F530000-0x000001AB0F540000-memory.dmp

Filesize
64KB

Download
memory/508-118-0x00007FF970E10000-0x00007FF973933000-memory.dmp

Filesize
43.1MB

Download
memory/508-122-0x00007FF969780000-0x00007FF96A86E000-memory.dmp

Filesize
16.9MB

Download
memory/508-123-0x00007FF967880000-0x00007FF969775000-memory.dmp

Filesize
31.0MB

Download
memory/508-117-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/508-115-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/508-114-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/508-183-0x000001AB0F530000-0x000001AB0F540000-memory.dmp

Filesize
64KB

Download
memory/508-184-0x000001AB0F530000-0x000001AB0F540000-memory.dmp

Filesize
64KB

Download
memory/508-182-0x000001AB0F540000-0x000001AB0F550000-memory.dmp

Filesize
64KB

Download
memory/508-185-0x000001AB0F530000-0x000001AB0F540000-memory.dmp

Filesize
64KB

Download
memory/508-186-0x000001AB0F530000-0x000001AB0F540000-memory.dmp

Filesize
64KB

Download
memory/508-116-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/1292-187-0x0000000000000000-mapping.dmp

Download
memory/3988-180-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads