e61ad1ca19a69d4c85b91d8b7b69cf08413fd78fd7df1c878a10a4c5b4497b9e

Resubmissions

21-03-2023 15:02

230321-sepjwabf44 8

21-03-2023 13:19

230321-qkn47acd8w 8

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
21-03-2023 13:19

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General

Target

e61ad1ca19a69d4c85b91d8b7b69cf08413fd78fd7df1c878a10a4c5b4497b9e.docm
Size

35KB
MD5

c47bba8a8821ace4dec8e4a83bcf5d86
SHA1

7ca510812ddbfb4be6ce3506143e0ed9ac92c5e7
SHA256

e61ad1ca19a69d4c85b91d8b7b69cf08413fd78fd7df1c878a10a4c5b4497b9e
SHA512

81d6ec5ff3610a1770b0f3030fbf6ac3438d8e58ab17092b94c4bdf0cb2466a2c200d4d8d6405364dbd127dc2ca04e7c3eb61d92a0b073d04e2b13b7939e3f23
SSDEEP

768:pIBkgj8RxAQkGbPcyqy81pTxllNBujX/2NW:Uj8RXkGwyRepTBOruE

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

radEC8F7.tmp.exe

pid process

2644 radEC8F7.tmp.exe

pid	process
2644	radEC8F7.tmp.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\radEC8F7.tmp.exe	upx
C:\Users\Admin\AppData\Local\Temp\radEC8F7.tmp.exe	upx
behavioral2/memory/2644-220-0x00000000006D0000-0x0000000000BE9000-memory.dmp	upx

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

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 34 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2244 WINWORD.EXE
2244 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	34	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
2244	WINWORD.EXE
2244	WINWORD.EXE
2244	WINWORD.EXE
2244	WINWORD.EXE
2244	WINWORD.EXE
2244	WINWORD.EXE
2244	WINWORD.EXE
2244	WINWORD.EXE
2244	WINWORD.EXE
2244	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2244 wrote to memory of 2644	2244	WINWORD.EXE	radEC8F7.tmp.exe
PID 2244 wrote to memory of 2644	2244	WINWORD.EXE	radEC8F7.tmp.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\e61ad1ca19a69d4c85b91d8b7b69cf08413fd78fd7df1c878a10a4c5b4497b9e.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:2244

C:\Users\Admin\AppData\Local\Temp\radEC8F7.tmp.exe
C:\Users\Admin\AppData\Local\Temp\radEC8F7.tmp.exe
2⤵
- Executes dropped EXE
PID:2644

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\radEC8F7.tmp.exe
Filesize
1.8MB

MD5
15df6ef5f388e706ab46675c00185ae4

SHA1
62b0e6473f98470d25a16a2a2d96095570403670

SHA256
1e27243ac8e2edff7d5be32a012530add1bae71ad5452064dfcd35e69d95f313

SHA512
34578d2a61629ea8e14a8ae8dfa86c608f84b7928aa15535b1250270122439b46d173153b993178d3352d9f49eeff80ed3c0d9efef70acf149666ce9a68fb659

Download Submit
C:\Users\Admin\AppData\Local\Temp\radEC8F7.tmp.exe
Filesize
1.8MB

MD5
15df6ef5f388e706ab46675c00185ae4

SHA1
62b0e6473f98470d25a16a2a2d96095570403670

SHA256
1e27243ac8e2edff7d5be32a012530add1bae71ad5452064dfcd35e69d95f313

SHA512
34578d2a61629ea8e14a8ae8dfa86c608f84b7928aa15535b1250270122439b46d173153b993178d3352d9f49eeff80ed3c0d9efef70acf149666ce9a68fb659

Download Submit
memory/2244-139-0x00007FFA278C0000-0x00007FFA278D0000-memory.dmp

Filesize
64KB

Download
memory/2244-136-0x00007FFA2A110000-0x00007FFA2A120000-memory.dmp

Filesize
64KB

Download
memory/2244-137-0x00007FFA2A110000-0x00007FFA2A120000-memory.dmp

Filesize
64KB

Download
memory/2244-138-0x00007FFA278C0000-0x00007FFA278D0000-memory.dmp

Filesize
64KB

Download
memory/2244-133-0x00007FFA2A110000-0x00007FFA2A120000-memory.dmp

Filesize
64KB

Download
memory/2244-134-0x00007FFA2A110000-0x00007FFA2A120000-memory.dmp

Filesize
64KB

Download
memory/2244-135-0x00007FFA2A110000-0x00007FFA2A120000-memory.dmp

Filesize
64KB

Download
memory/2244-257-0x00007FFA2A110000-0x00007FFA2A120000-memory.dmp

Filesize
64KB

Download
memory/2244-258-0x00007FFA2A110000-0x00007FFA2A120000-memory.dmp

Filesize
64KB

Download
memory/2244-259-0x00007FFA2A110000-0x00007FFA2A120000-memory.dmp

Filesize
64KB

Download
memory/2244-260-0x00007FFA2A110000-0x00007FFA2A120000-memory.dmp

Filesize
64KB

Download
memory/2644-220-0x00000000006D0000-0x0000000000BE9000-memory.dmp

Filesize
5.1MB

Download