cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 18:03

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General

Target

cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9N.exe
Size

25KB
MD5

182602dd9c019c1865b91393057ab300
SHA1

766ce8895143b4faea33f5e21bdc548dee3ff955
SHA256

cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9
SHA512

10f13396e44725837aee865b991ca32f0758a397db8cacf67a02ecf99fd8222ff887aec8f88091c354588c7f5926dc034f0af26d42dadf83a2751006a81794b4
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wk7IEhGOrhuH6SmEdtjHihnv9qzhqTW:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wkW

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1404	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1404	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9N.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	cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 1404	1856	cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9N.exe	82
PID 1856 wrote to memory of 1404	1856	cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9N.exe	82
PID 1856 wrote to memory of 1404	1856	cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9N.exe	82

C:\Users\Admin\AppData\Local\Temp\cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9N.exe
"C:\Users\Admin\AppData\Local\Temp\cab5526dd3d671540fc4513dc77d98df5f77e2cea673c8e103dbc6f27fb63ed9N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1404

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
26KB

MD5
761029be68b90c85e11ca420f4e58982

SHA1
17bbe959108f793b3057998e9b7a8bbc1350b0db

SHA256
f4a983bc1164c36217f57309667a6b04c990b9893291e7e71ecf9e794af9e17f

SHA512
84ff2f6df0659e4207b252caebe1b4bb3f309d1d8f43dbfa565128305fec0420c398515dabaa84a8cb835881d0e9337b649d26e501b80598d909d7fcafdfd00f

Download Submit
memory/1404-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1404-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1856-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1856-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads