e7622b27a53ac2215f35d6882c93a514620f7d3571ddd7b02cb674a48cb7f02b

Analysis

max time kernel
120s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 20:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7b5af434ac57300d51cf0e83b43c40d0N.exe
Size

62KB
MD5

7b5af434ac57300d51cf0e83b43c40d0
SHA1

5d708df7421bd0370b474f2985a63a8c48a73324
SHA256

e7622b27a53ac2215f35d6882c93a514620f7d3571ddd7b02cb674a48cb7f02b
SHA512

e2df29e80b3d0ca2d5e147052a1ebb59be372b3a54121d8d754e455198698daac02241a74037607ee0501207802126db090402dc45b3eefd0f32b6abbc9c7397
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKv8hDhWhh:NAoglOwvl4ulkP6vghzwYu7vih9GueIU

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1504	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1504	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7b5af434ac57300d51cf0e83b43c40d0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7b5af434ac57300d51cf0e83b43c40d0N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	7b5af434ac57300d51cf0e83b43c40d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 1504	5084	7b5af434ac57300d51cf0e83b43c40d0N.exe	83
PID 5084 wrote to memory of 1504	5084	7b5af434ac57300d51cf0e83b43c40d0N.exe	83
PID 5084 wrote to memory of 1504	5084	7b5af434ac57300d51cf0e83b43c40d0N.exe	83

C:\Users\Admin\AppData\Local\Temp\7b5af434ac57300d51cf0e83b43c40d0N.exe
"C:\Users\Admin\AppData\Local\Temp\7b5af434ac57300d51cf0e83b43c40d0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5084
- 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:1504

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
63KB

MD5
0f5cc93d52a381e5862e6a69bf878649

SHA1
3ed7815dc00546b38c7e2774b775cf411464953a

SHA256
5bfb16b2818e8daa9baf61f113c2da22ac4b4a10b947dce8ed33f9c2b3e5f6e1

SHA512
4fbf00e59487151dc7675ffe7b9c29b7ec6852544c4eb72ba91ab3585d777086d6284919953c5ce5537ba258d7f01d36d3cc6240ce0048ffc5450b2bcd7b7e9d

Download Submit
memory/1504-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/5084-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/5084-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads