19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088

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
22-05-2024 19:07

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General

Target

19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe
Size

33KB
MD5

e4274d0377cafbfb05335bb7ea810dbf
SHA1

c9dd814ab05da3d6cbcf20aa722a2614977e516f
SHA256

19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088
SHA512

dc26f569ebed11514de24424288c579b50f427fc5dab8151d7a5f3485912ee6467901fb63a53c7a87c69d6dd126aa0d99f3c84a663faebac0af4b30d38379cb4
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhn:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wYH

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

microsofthelp.exe

pid process

628 microsofthelp.exe
Executes dropped EXE 1 IoCs

Processes:

microsofthelp.exe

pid process

628 microsofthelp.exe

pid	process
628	microsofthelp.exe

pid	process
628	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.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"	19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe

Drops file in Windows directory 1 IoCs

Processes:

19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe

description ioc process

File created C:\Windows\microsofthelp.exe 19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe

description	ioc	process
File created	C:\Windows\microsofthelp.exe	19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe

description	pid	process	target process
PID 2064 wrote to memory of 628	2064	19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe	microsofthelp.exe
PID 2064 wrote to memory of 628	2064	19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe	microsofthelp.exe
PID 2064 wrote to memory of 628	2064	19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe	microsofthelp.exe

C:\Users\Admin\AppData\Local\Temp\19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe
"C:\Users\Admin\AppData\Local\Temp\19230b6a853cdfd0b3b0663d8c0a7abcc55dc2bcc1e2f985f1bba6a1fb77b088.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:628

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=4080,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4208 /prefetch:8
1⤵
PID:380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
34KB

MD5
a65867d14740351aceb1f380d5d2427d

SHA1
d07bf776558c85b090850c606458339546112d51

SHA256
f40c3f100b3f6ea735f3c5481adb0dca3a0323463fc3bab0fce907f2e5821c5e

SHA512
36498f96557a992edcc38e0a3a102c3ce10a86a93e737d6754867a357904a56b760da578d5d439bd50e0287f092c421e7afd8ec9c8a4835ed1771eaa2517aef3

Download Submit
memory/628-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2064-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2064-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download