fed5b5e20c6b7704573865320c3ba2d3e41844747ec4cf21cece347997b7a10e

Analysis

max time kernel
135s
max time network
125s
platform
windows10_x64
resource
win10
submitted
09-07-2020 15:06

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General

Target

nix4e_com_ursnif.doc
Size

132KB
MD5

80cfa4babf4a24cdd752ea920b409adc
SHA1

90669c6e3c86881facbb3ad6d44d7509b08116fb
SHA256

fed5b5e20c6b7704573865320c3ba2d3e41844747ec4cf21cece347997b7a10e
SHA512

2fbb2068519cf5425013ecb21e0c0741b195f8159ac97aa960835f1b9ebe78b3b9970322c33424e701ed4d5516eb345a2b868d20531f58a27ce484d99e0973c1

Score

1^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 19 IoCs

Processes:

WINWORD.EXE

pid	process
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE
3588	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3588 WINWORD.EXE
3588 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 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

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

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\nix4e_com_ursnif.doc" /o ""
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Enumerates system info in registry
- Checks processor information in registry
PID:3588

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

memory/3588-0-0x000002D660213000-0x000002D660218000-memory.dmp

Filesize
20KB

Download
memory/3588-1-0x000002D660213000-0x000002D660218000-memory.dmp

Filesize
20KB

Download
memory/3588-2-0x000002D660213000-0x000002D660218000-memory.dmp

Filesize
20KB

Download
memory/3588-3-0x000002D660271000-0x000002D660273000-memory.dmp

Filesize
8KB

Download
memory/3588-4-0x000002D660273000-0x000002D660278000-memory.dmp

Filesize
20KB

Download