a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868

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
17/05/2024, 02:19

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General

Target

a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868.exe
Size

29KB
MD5

32e0e98ed313a3176925ee2b6742b97b
SHA1

adb194231a8b353a37c3a50b1cba5e05ccbf6a4d
SHA256

a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868
SHA512

b4afb492fa789eaa257ce00121fb7ab19251a5adacbeb632d1b5ab447e963a7976edc05a67703e47d482333136ed554799134cabe48659d50705b58bb914a958
SSDEEP

768:/qPJtUA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKhJJhgct:/q0A6C1VqaqhtgVRNToV7TtRu8rM0wY+

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4336	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4336	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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"	a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 4336	2468	a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868.exe	92
PID 2468 wrote to memory of 4336	2468	a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868.exe	92
PID 2468 wrote to memory of 4336	2468	a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868.exe	92

C:\Users\Admin\AppData\Local\Temp\a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868.exe
"C:\Users\Admin\AppData\Local\Temp\a40c4736aee5da7d2ba27c6a8b9cfa7cfb2fdacc3752f23c9f8bac34bca3c868.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:4336

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=4084,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=3444 /prefetch:8
1⤵
PID:116

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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
29KB

MD5
d55eb47ee3c7074ed5096104c43ac374

SHA1
8f9a3f7fcd9789e1bbb7f4fa4fb0d60d2793a842

SHA256
85acfc9381af1e3cb4f584df659d94eeee0b4a75dabe9e45961fa743d54f9de7

SHA512
4a9d6c67ea3557b0cf07da87cbac86933c227eaf9c309b2dfac103611b28a26af656b4ce70d6f6cf0eaae1d36ca1e453692e6b696a9d64daff886a7a76f69b1b

Download Submit
memory/2468-1-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4336-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads