4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 21:36

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General

Target

4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6.exe
Size

62KB
MD5

cf12b4dd1d2c6d9ecf110c324aa7d1e2
SHA1

3a2e909ceca151106e6ed8759c425dfa6e3977a0
SHA256

4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6
SHA512

d3d712149c7c414a9da3c0309c52f753e1d4b280899a3a9e2977e23664b66fa74863fa98ac55dc4079884de099077a06076495c65b586946c1089a1d57e7a2bf
SSDEEP

1536:/Ao0zj2d6rnJYulBJnDQEEa1EfBE+1EC1p1encpkt9+FrJECOaAesJaEsHTP9ET8:/AoAliulHnDQEEa1EfBE+1EC1p1encpd

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1444	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1444	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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1444	1728	4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6.exe	28
PID 1728 wrote to memory of 1444	1728	4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6.exe	28
PID 1728 wrote to memory of 1444	1728	4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6.exe	28
PID 1728 wrote to memory of 1444	1728	4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6.exe	28

C:\Users\Admin\AppData\Local\Temp\4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6.exe
"C:\Users\Admin\AppData\Local\Temp\4c9b3a8eca66bed6f41a6c81439ca7b03e87a0a73566ccc6b24f0b0aac4c2fe6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1444

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
62KB

MD5
96b6cbac9767564f6e44166b9d500e50

SHA1
661e7e724a0d8315057e0e2d3a3a5108353d23a8

SHA256
79edbab38550d6c86991e8b1bb71b8f5792dd3fa5d0a726c611f6e1811bac300

SHA512
acc11ca1e2d4fe4e7a1b6ea724ef82088f2fa6918fb75f5166445b1daaa02cbfe1a7a553e4a1385af82f8e72df0aaf094c9359b587f1574353be5b037720c9fc

Download Submit
memory/1444-9-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1728-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1728-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1728-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads