e0e905e6534ad30c6cc15628044b5a713e2887cde09fb6efb9f6d4d7043876f0

Analysis

max time kernel
120s
max time network
20s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 15:46

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General

Target

a436ecc4eeb10e10549a1835fbb11130N.exe
Size

37KB
MD5

a436ecc4eeb10e10549a1835fbb11130
SHA1

bd94a4ba58f11aede4b9e61f7955b2d615dbcb5b
SHA256

e0e905e6534ad30c6cc15628044b5a713e2887cde09fb6efb9f6d4d7043876f0
SHA512

10f93cacc4ad071af0592c4272a3f9fa3692dcedf14b247f14a6857542d10166196997eaca646de103bb0ec6bb167498f89579bd3148278050b99347109140c2
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6Iq:e6q10k0EFjed6rqJ+6vghzwYu7vih9GW

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2160	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2160	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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a436ecc4eeb10e10549a1835fbb11130N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a436ecc4eeb10e10549a1835fbb11130N.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	a436ecc4eeb10e10549a1835fbb11130N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2160	1900	a436ecc4eeb10e10549a1835fbb11130N.exe	30
PID 1900 wrote to memory of 2160	1900	a436ecc4eeb10e10549a1835fbb11130N.exe	30
PID 1900 wrote to memory of 2160	1900	a436ecc4eeb10e10549a1835fbb11130N.exe	30
PID 1900 wrote to memory of 2160	1900	a436ecc4eeb10e10549a1835fbb11130N.exe	30

C:\Users\Admin\AppData\Local\Temp\a436ecc4eeb10e10549a1835fbb11130N.exe
"C:\Users\Admin\AppData\Local\Temp\a436ecc4eeb10e10549a1835fbb11130N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2160

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
37KB

MD5
40028282d45ff492bfa16cd6dda29f65

SHA1
3825c22b313ee3c8fcbe6c8311fefd46c448f6ed

SHA256
b533b44160df65a4f615a0d87c752d15b19915b17108540a332d362e2c5b4ad4

SHA512
181dc5a79075483f74dfd961b008c4d500d3c27ba36010ac7a2c33bd54533558ccb406297b2d70ee448d972fc8458a8664d151451b8d10cc8e01cab377110420

Download Submit
memory/1900-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1900-3-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/1900-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2160-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads