c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:15

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General

Target

c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59N.exe
Size

66KB
MD5

675d2d31ad5e1ab03ff4bfea406177d0
SHA1

a07a81eeaec39c540afd893aebf77da4b87fcc34
SHA256

c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59
SHA512

d7e219047d3a97aeced3a2065ac5096eeca2c2caa98e1dccf14bd46d1778d42f8ea0cac1f532c969d9a330f2389a141053c99b060ba79f28ad63a66f0fea0111
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhw:lAo1lOwvlKlXBP6vghzwYu7vih9GueIf

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3536	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3536	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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 3536	1508	c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59N.exe	82
PID 1508 wrote to memory of 3536	1508	c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59N.exe	82
PID 1508 wrote to memory of 3536	1508	c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59N.exe	82

C:\Users\Admin\AppData\Local\Temp\c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59N.exe
"C:\Users\Admin\AppData\Local\Temp\c35e2d6792ca8cb9a2ec6eee89554c163329660aec7093e78e0ff7e33cb49e59N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:3536

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
67KB

MD5
7e772c1281b1dcd2df1705f101f02283

SHA1
89ff61a8a80e73b9314fe71060e9137de3807989

SHA256
92b7b0d809829674d62b33f379062204fe420913ab1760ed9e3d418c245d181d

SHA512
478a33e7fa161d1c83d283af2fcbedf6801a1339434a08982bbe47a411f917cb73326e35df92ab2c8c97cb535f12092630408b0662f7043a5fe17d33c72ade23

Download Submit
memory/1508-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1508-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3536-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3536-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads