9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3

Analysis

max time kernel
149s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 01:03

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General

Target

9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe
Size

35KB
MD5

9167eecffd78ff478b0e40d5d16e1b51
SHA1

d6c80cc8893618c32f067fcc47f9352e8ed9b877
SHA256

9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3
SHA512

06298a2cba543d9ac84316296ede265f0b7f5c92d6d7cf63abb8b099c74a0e4de6230cba006efcc875a0fdb7ebd3f55121cdca8f9342797751dc1caf85a796fd
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhq:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wYK

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

microsofthelp.exe

pid process

4388 microsofthelp.exe
Executes dropped EXE 1 IoCs

Processes:

microsofthelp.exe

pid process

4388 microsofthelp.exe

pid	process
4388	microsofthelp.exe

pid	process
4388	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe

Drops file in Windows directory 1 IoCs

Processes:

9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe

description ioc process

File created C:\Windows\microsofthelp.exe 9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe

description	ioc	process
File created	C:\Windows\microsofthelp.exe	9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe

description	pid	process	target process
PID 3332 wrote to memory of 4388	3332	9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe	microsofthelp.exe
PID 3332 wrote to memory of 4388	3332	9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe	microsofthelp.exe
PID 3332 wrote to memory of 4388	3332	9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe	microsofthelp.exe

C:\Users\Admin\AppData\Local\Temp\9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe
"C:\Users\Admin\AppData\Local\Temp\9cbfe1e5e35eda37c92883fcfdd6559cf6a923bc6fbab6896194be02bfd9aab3.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3332

C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
2⤵
- Deletes itself
- Executes dropped EXE
PID:4388

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=4244,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4156 /prefetch:8
1⤵
PID:4612

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe
Filesize
35KB

MD5
00de505cda3ab0ebd36fad82f70f6746

SHA1
1f02b23c889579cba2e0b129f46948c930c68be0

SHA256
f4ebecb0715f1dc28ab2729776e81e16d486737bbbec90f25cd84bfaf97b9a5d

SHA512
39b55720c6c857b71e3b59a7b4913be0b14db967b6669c2e0e09ce6e747ae762875bc8bc208bd98e1605b47130282c46c5ecdaff0d031516167197f45238df98

Download Submit
memory/3332-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3332-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4388-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download