da048c0654f37a02f3c8432e6ddb4d1e3f88f736fba8413ed39435334313e660

Analysis

max time kernel
119s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 10:07

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General

Target

a5ce1ce1ce116e8f302ed0ef8c92a170N.exe
Size

40KB
MD5

a5ce1ce1ce116e8f302ed0ef8c92a170
SHA1

ed1a9b08d2d36b883bb1b8400ef99043d3409ac4
SHA256

da048c0654f37a02f3c8432e6ddb4d1e3f88f736fba8413ed39435334313e660
SHA512

978c0b301d08368f7d599594fac04f3dd6a9e724d3df2621cdbf767553828da57e8289d782072ed9f617b014e63ef59874610d80597a7f3ec2bd5e72fd8b4330
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhw:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYQ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3356	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3356	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a5ce1ce1ce116e8f302ed0ef8c92a170N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a5ce1ce1ce116e8f302ed0ef8c92a170N.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	a5ce1ce1ce116e8f302ed0ef8c92a170N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 3356	972	a5ce1ce1ce116e8f302ed0ef8c92a170N.exe	83
PID 972 wrote to memory of 3356	972	a5ce1ce1ce116e8f302ed0ef8c92a170N.exe	83
PID 972 wrote to memory of 3356	972	a5ce1ce1ce116e8f302ed0ef8c92a170N.exe	83

C:\Users\Admin\AppData\Local\Temp\a5ce1ce1ce116e8f302ed0ef8c92a170N.exe
"C:\Users\Admin\AppData\Local\Temp\a5ce1ce1ce116e8f302ed0ef8c92a170N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3356

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
40KB

MD5
2ee7b7555f4a616c37924845249898e2

SHA1
93765d8b994510ffe21421ed832f5e7136ffc7bf

SHA256
e8b5ef67c1e8d45973e20c3d76697e5bfbc26e2870d85a9d2fd30f73aa7bbe5c

SHA512
b8e410c76942296a27b4464a0272734ba3e322ed7e7f203516910fc22e8a0198b62233f6136a4eab3146135f98698c857f626ec63d51679dcd8e1fac3c13db21

Download Submit
memory/972-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/972-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads