a87a851e635d23267b52623e451ef9578f09937c6d22a11b896486348c7a7f13

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2023, 07:23

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General

Target

NEAS.ba953f4845c73de8854377caf0b32830.exe
Size

69KB
MD5

ba953f4845c73de8854377caf0b32830
SHA1

7308d4d92fdb7fb5702ca3c6bc56bc62f8717a62
SHA256

a87a851e635d23267b52623e451ef9578f09937c6d22a11b896486348c7a7f13
SHA512

6edf75227e2c95c7b2731973dd3cc3bbee9ae48ea866ce00bee42f16cfdb4e1106063693fcc8ee8aa996c295aae7bf96f142e41bad4a00da21cf5adcb3502f00
SSDEEP

1536:/Ao0+j2d6rnJqlIUSJn3m2GnNCyuaMeFg8kVQ+SvMupWsZZZNF01Lryhv1g1s1Ee:/AoVl4lXin3m2GnNCyuaMeFg8kVQ+Sv1

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4628	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4628	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-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	NEAS.ba953f4845c73de8854377caf0b32830.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	NEAS.ba953f4845c73de8854377caf0b32830.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 4628	1548	NEAS.ba953f4845c73de8854377caf0b32830.exe	84
PID 1548 wrote to memory of 4628	1548	NEAS.ba953f4845c73de8854377caf0b32830.exe	84
PID 1548 wrote to memory of 4628	1548	NEAS.ba953f4845c73de8854377caf0b32830.exe	84

C:\Users\Admin\AppData\Local\Temp\NEAS.ba953f4845c73de8854377caf0b32830.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.ba953f4845c73de8854377caf0b32830.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:4628

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
69KB

MD5
79b30668450c58ed9f1e3548a2434c88

SHA1
6eaeb81e542f58c14cce4ac189fbcd592bce7198

SHA256
2183a1673cbdccc76acc0b92e2f71971e97e31662afab54bf3d945a13023ae5b

SHA512
28f09b4d922e00639e2e5fa9a52867e22e710e07a589754d60cc1c5b189f8f17cc536d1b42e2a32851c7c2d452940f720a97e6bcdb769d72bf045d68c60aad26

Download Submit
C:\Windows\microsofthelp.exe

Filesize
69KB

MD5
79b30668450c58ed9f1e3548a2434c88

SHA1
6eaeb81e542f58c14cce4ac189fbcd592bce7198

SHA256
2183a1673cbdccc76acc0b92e2f71971e97e31662afab54bf3d945a13023ae5b

SHA512
28f09b4d922e00639e2e5fa9a52867e22e710e07a589754d60cc1c5b189f8f17cc536d1b42e2a32851c7c2d452940f720a97e6bcdb769d72bf045d68c60aad26

Download Submit
memory/1548-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1548-4-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4628-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads