fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15-06-2024 04:09

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General

Target

fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b.exe
Size

35KB
MD5

8c7ca05d8d23d89a47b0f230e5b2a5d1
SHA1

154b53c3a9bbc6758e2faaa1f962849d4904453d
SHA256

fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b
SHA512

66338790798ff8cfaee5988578b5d4c1de29e9f7269579e7d95843e117d09ca7c03a754de33904da0443a5d3aef0cde1844963f4480ac858d75d4e8c234a77fb
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhc:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY8

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2156	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2156	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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2156	3020	fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b.exe	28
PID 3020 wrote to memory of 2156	3020	fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b.exe	28
PID 3020 wrote to memory of 2156	3020	fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b.exe	28
PID 3020 wrote to memory of 2156	3020	fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b.exe	28

C:\Users\Admin\AppData\Local\Temp\fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b.exe
"C:\Users\Admin\AppData\Local\Temp\fd811f91881a57d13a369175edbb2208d2e781ed778c6503def9a184309e6d3b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2156

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
35KB

MD5
2ac2fc9edff452ecd9eed42a6181f5e7

SHA1
478080e315080cbecc5ce4657ce4f423afa3944c

SHA256
04480ee0c6c734f939f5d6549b8c5312d5670c779cf359f641fe822e9799ab6c

SHA512
faf013b9a23bafc2539e6a1f77d4c631f4d151df546fa0334b833998a4791e7e9e913511bfe9960c0261bf36fe9843e9434e18c7120e353604e82fceb36e71fe

Download Submit
memory/3020-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3020-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads