b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 01:40

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General

Target

b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe
Size

35KB
MD5

9e2e889e1f68589f146cc461948ccc00
SHA1

b29a9642948803cbf55a9b3a17e5028530f1b7cb
SHA256

b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da
SHA512

89facec613a55ca72e247406f1e006b9db2ea5adf9021b65ec1acc2878e5720cd31b02ad7d954c1df1009c1b1ae640c5b1a09006c487c94fa23b4d46e883cdb0
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhQ:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYw

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2384	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2384	2104	b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe	28
PID 2104 wrote to memory of 2384	2104	b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe	28
PID 2104 wrote to memory of 2384	2104	b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe	28
PID 2104 wrote to memory of 2384	2104	b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe	28

C:\Users\Admin\AppData\Local\Temp\b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe
"C:\Users\Admin\AppData\Local\Temp\b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2384

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
36KB

MD5
b8a957f29779f700dee3c13db5cdaf0c

SHA1
62786a5ccb1ef98c5eaf3aa5e9d551d31f0879bd

SHA256
2e435cbfa63263c686aa7fe8941e40fcc3331bea3a0b516085d4b6822c1fb173

SHA512
5c7513e0a366c9d5b600473471bf68a3be6d2c49559d856ea15f957ebb980315ca0f1a403e32e7ab458c678e5519ae6819d75f506460fb2e2c3b18251f5b4228

Download Submit
memory/2104-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2384-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads