eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003

Analysis

max time kernel
149s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 06:50

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General

Target

eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003.exe
Size

41KB
MD5

cc0b6d779e32257de6929e85d6cf4869
SHA1

fe89e9b057e6fb94fccb56ad27d7bc9116b86db9
SHA256

eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003
SHA512

50fb6a43f12955787a1784708d44d6492dc946609c6cfa468d8da3e403860f778d789edeeb244f19ab306cb19d51e3bd46c0f15949fb488fb06d7105463d74e0
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhu:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYO

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2040	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2040	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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003.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	eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 2040	4692	eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003.exe	84
PID 4692 wrote to memory of 2040	4692	eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003.exe	84
PID 4692 wrote to memory of 2040	4692	eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003.exe	84

C:\Users\Admin\AppData\Local\Temp\eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003.exe
"C:\Users\Admin\AppData\Local\Temp\eb690b5917eff9ba739ecf878640fd0aca27deba73852cb0c0c2fa3504433003.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2040

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
41KB

MD5
1cbd4d499cf98dcf7218e118c8e08401

SHA1
082a31b700c372ffd545f78dfdce9dd0e870c2f1

SHA256
f58d902b5bdfd8eb9f978e385d9b216d30871f04a03f25e8e07fddbaeef9b4f9

SHA512
eb8773918890c57b107ea11932781fba4d55e0c65c146ba7e386702e7dc5bd8704818c03e0435685a469bb4475678791bb5842be8d802677dcc007cd396cb426

Download Submit
memory/2040-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4692-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4692-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads