8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f

Analysis

max time kernel
152s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 23:39

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General

Target

8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f.exe
Size

95KB
MD5

0399caf4fe1b814035fd1daefc2ebc69
SHA1

b051be175149c31d4afed35181750d5e68d342b5
SHA256

8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f
SHA512

2ca479eccde245beceef6b114336468588a29318d4e77ec3ec87b0296dd5c2358858c5a4b0aac96166f0582283fbcc662d951fc46e02ae417672c55e18bf21ef
SSDEEP

1536:/Ao0+j2d6rnJqlIUSJn3m2GnNCyuaMeFg8kVQ+SvMupWsZZZNF01Lryhv1g1s1EE:/AoVl4lXin3m2GnNCyuaMeFg8kVQ+Svv

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
568	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
568	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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 568	2636	8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f.exe	90
PID 2636 wrote to memory of 568	2636	8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f.exe	90
PID 2636 wrote to memory of 568	2636	8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f.exe	90

C:\Users\Admin\AppData\Local\Temp\8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f.exe
"C:\Users\Admin\AppData\Local\Temp\8cd3534f4d7d16ffaa9b3ea57e45d74a691977fc73e500fec9ce86c977b8596f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:568

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 --mojo-platform-channel-handle=4044 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:836

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
95KB

MD5
bef86f95328c38feab8a82005e5c8f99

SHA1
f47c78651b2212db85f204aff3006eebbdf2d9c5

SHA256
fa2af645e5b1b08dea7aae038f325e10aa77fa341ffecaa2a444c0978d77d413

SHA512
2e1746bd0bc7e23854371d91c44c46578e64c89618a55e9d49d9623645a9f45608a24a84bbb2c998e46bd6b89d7d36c2863296b103f39ac08a5431c49e7b1671

Download Submit
memory/568-5-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2636-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2636-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads