a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 19:05

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General

Target

a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe
Size

95KB
MD5

2bc77d10e0edabc8b3243f9b88ccfea0
SHA1

fd65f168be9547d549112bbf4e263bfe8f109f65
SHA256

a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72
SHA512

18fee34bc4d518462c5f94cb81f6812cbef68f2680e5b804d834217d8d7891c1ad82adfe3f0c19c6265d2c781b745ecaebc50b828a5743f1a137dffd37c4e7ac
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRz/IUqXBn22n2222IICUrh1EasEE1YCfCnEEEE1E14A0:vAowVFgjQiUkEwt/XqXBn22n2222IICI

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1720	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1720	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 276 wrote to memory of 1720	276	a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe	31
PID 276 wrote to memory of 1720	276	a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe	31
PID 276 wrote to memory of 1720	276	a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe	31
PID 276 wrote to memory of 1720	276	a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe	31

C:\Users\Admin\AppData\Local\Temp\a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe
"C:\Users\Admin\AppData\Local\Temp\a817ba6f33e060550750aff58ce6f88624865a62b1072c57951bf08aad64cc72N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:276
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1720

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
95KB

MD5
b8b6708e4405c6b01d227a5e11d84427

SHA1
b1b0605294c6e8d6405d6dcaa21f70208fb8cbe9

SHA256
9feb00a25b5135b4bcdc8d07e0f454e83713f63f62bbe17f0e270180f4bc86a4

SHA512
0300bbd6584efc5cd119149ba69094ae498eb583f61ca61ed3b362a7072b412e0a4087b58a0d5f929dadebf3a2f2595319843132e9d96a951417b0a528b0bebb

Download Submit
memory/276-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/276-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1720-8-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1720-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads