0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 09:52

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General

Target

0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.exe
Size

63KB
MD5

c1ac5c32f30bc7d00dd0697c56e30db0
SHA1

1c45eb355c26e6164ba36b080018ec917cb04b60
SHA256

0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197
SHA512

f970e27923745ecb380af985395e5560be2ecb5d7929c6fb59623396bd28c00f69d34c75576ec8d84ea42aba77ffd9b7fb11f011269cd0ee22fad4a25dd8ebae
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johmh8hFISv:lAo1lOwvlKlXBP6vghzwYu7vih9GueIs

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2668	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.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	0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2668	1964	0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.exe	30
PID 1964 wrote to memory of 2668	1964	0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.exe	30
PID 1964 wrote to memory of 2668	1964	0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.exe	30
PID 1964 wrote to memory of 2668	1964	0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.exe	30

C:\Users\Admin\AppData\Local\Temp\0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.exe
"C:\Users\Admin\AppData\Local\Temp\0b3cd790b5620c64e631b730b8d41da445c5f5d43cd2297146df6ce29ad5a197N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2668

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
64KB

MD5
688a7cd4be10e0cfdd733bdcc1f538bd

SHA1
e7e2b536852874c3a0b5d282247ec65bf9c96aab

SHA256
80749164a8725d16a8dfdd5879ad0658edb399938660a335edb7e2f53e28d706

SHA512
10f5328dc0c892ce6cbd40efa9647176494299a1e056539a99530eb6fb490a6983b261992d9b8c6c716fc833f7c70f57e91a4359d1ca07759c89441ace4ada1a

Download Submit
memory/1964-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1964-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2668-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads