aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415c

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 04:59

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General

Target

aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415cN.exe
Size

53KB
MD5

2740fd67958da0e87ef7a276cab2a380
SHA1

91c620115bbaa4e14d94321445dbfe87451fc8cb
SHA256

aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415c
SHA512

46e1e7e802e95391efe273f0b9fbeb33edcf0291d30ebbe526ac68e259dca60304d6701702915691789c6cc3214b4e05ccdcbe689fa6e2dd1d608ae4837bc3ed
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI6:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVM

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5044	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
5044	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415cN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415cN.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	aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 5044	4952	aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415cN.exe	82
PID 4952 wrote to memory of 5044	4952	aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415cN.exe	82
PID 4952 wrote to memory of 5044	4952	aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415cN.exe	82

C:\Users\Admin\AppData\Local\Temp\aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415cN.exe
"C:\Users\Admin\AppData\Local\Temp\aa43419fe2117e3c3dd15488e7a074cc28a4e67994c307e3fb61c1687237415cN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5044

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
53KB

MD5
a4d5c20c79deb1df939cd894af478ba0

SHA1
5e8696cf28c03c6890d03ea41d5cc790490840e7

SHA256
452a21feae38b6472a8abaa1e49e02f4cd3fb6dd5dfd27c3feab10afb7e2fa7d

SHA512
5844e9fa7dbeab80a82b443788db87a62c8bed83cc7eb1e972d889e1961fd43f0db58fac32c5d29fa6c59d5ee1dd09c06edbc1f9df2ba8c0ba9aeaa3aa3c4551

Download Submit
memory/4952-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4952-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/5044-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads