57bd8e8606dc579eb8190dc8882c2892ef05636f28bad0178e04c9bcbdac5995

General

Target

Incident_Harassment.doc
Size

4.3MB
MD5

ec7e26a81b6002c53854a1769ad427a6
SHA1

d43501510ca909818eac2684a53c9be609075bac
SHA256

57bd8e8606dc579eb8190dc8882c2892ef05636f28bad0178e04c9bcbdac5995
SHA512

404ae68b7f2b3785a76a187d2bf173ed690de9ff903f002cebd365acb1b0f4a85fbd609fcc2f67de3e43f539f3b6584627d24ced8dcc11ff436f14e67a7b4e41
SSDEEP

49152:tI0ioeLdFJAJvpW4XMrCV/L75aWfpmL+n5uS/PudUUHzY:GC6dFCpWnCVz7thlZG

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3016	app.com

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
22	api.ipify.org
23	api.ipify.org

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\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
1076	WINWORD.EXE
1076	WINWORD.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1076	WINWORD.EXE
1076	WINWORD.EXE
1076	WINWORD.EXE
1076	WINWORD.EXE
1076	WINWORD.EXE
1076	WINWORD.EXE
1076	WINWORD.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 3016	1076	WINWORD.EXE	98
PID 1076 wrote to memory of 3016	1076	WINWORD.EXE	98
PID 1076 wrote to memory of 3016	1076	WINWORD.EXE	98

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\Incident_Harassment.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\app.com
  "C:\Users\Admin\AppData\Local\Temp\app.com"
  2⤵
  - Executes dropped EXE
  PID:3016

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4184,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4232 /prefetch:8
1⤵
PID:4524

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4364,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=3580 /prefetch:8
1⤵
PID:1248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

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\app.com

Filesize
1.5MB

MD5
bd3231011448b2d6a335032d11c12cad

SHA1
b14bdeccca499668fac5049890bb7f3e5bef9537

SHA256
ca066896a28840f4eccb9150adf86170d83337650d28b128cb584e7d8b178695

SHA512
4fdf90883f5fde3aeb02b2ddc46c5e3cd421fe98697aca0d31b1aaea39598d2624c3339ab75a96997287c611a7d4dd8459b1c3341fe972cf049885d22c31f3de

Download Submit
memory/1076-12-0x00007FFB1CE90000-0x00007FFB1CEA0000-memory.dmp

Filesize
64KB

Download
memory/1076-54-0x00007FFB1EEF0000-0x00007FFB1EF00000-memory.dmp

Filesize
64KB

Download
memory/1076-1-0x00007FFB1EEF0000-0x00007FFB1EF00000-memory.dmp

Filesize
64KB

Download
memory/1076-3-0x00007FFB1EEF0000-0x00007FFB1EF00000-memory.dmp

Filesize
64KB

Download
memory/1076-6-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/1076-5-0x00007FFB1EEF0000-0x00007FFB1EF00000-memory.dmp

Filesize
64KB

Download
memory/1076-7-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/1076-8-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/1076-9-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/1076-10-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/1076-11-0x00007FFB1CE90000-0x00007FFB1CEA0000-memory.dmp

Filesize
64KB

Download
memory/1076-0-0x00007FFB1EEF0000-0x00007FFB1EF00000-memory.dmp

Filesize
64KB

Download
memory/1076-2-0x00007FFB1EEF0000-0x00007FFB1EF00000-memory.dmp

Filesize
64KB

Download
memory/1076-27-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/1076-22-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/1076-4-0x00007FFB5EF0D000-0x00007FFB5EF0E000-memory.dmp

Filesize
4KB

Download
memory/1076-56-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/1076-23-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/1076-52-0x00007FFB1EEF0000-0x00007FFB1EF00000-memory.dmp

Filesize
64KB

Download
memory/1076-53-0x00007FFB1EEF0000-0x00007FFB1EF00000-memory.dmp

Filesize
64KB

Download
memory/1076-55-0x00007FFB1EEF0000-0x00007FFB1EF00000-memory.dmp

Filesize
64KB

Download
memory/3016-47-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/3016-34-0x0000000000400000-0x0000000000584000-memory.dmp

Filesize
1.5MB

Download
memory/3016-57-0x00007FFB5EE70000-0x00007FFB5F065000-memory.dmp

Filesize
2.0MB

Download
memory/3016-58-0x0000000000400000-0x0000000000584000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads