a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788

Analysis

max time kernel
149s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 01:17

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General

Target

a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788.exe
Size

39KB
MD5

52908786ed325e42697cd62d063a8891
SHA1

e6a757284d22a50e9b25d32804a7aac1ad83fc46
SHA256

a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788
SHA512

dd7ee05a9dc9c476c9dd1ae6f3129aacb9cf750a42415fec4239db829d847b1a01041b3989d262ea1b036fc8d8c54fd65230b6f4359c49f708f787f7fb21f0da
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhX:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY3

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4356	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4356	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 4356	1104	a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788.exe	84
PID 1104 wrote to memory of 4356	1104	a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788.exe	84
PID 1104 wrote to memory of 4356	1104	a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788.exe	84

C:\Users\Admin\AppData\Local\Temp\a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788.exe
"C:\Users\Admin\AppData\Local\Temp\a78014f7b9e9e52a26458a58e6aae8a6444355febef80c172b23a2d5c6609788.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4356

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
39KB

MD5
8b42ee0301a2e0264be05413b6922760

SHA1
33d2e34253f8424fe77c70b915b46a808c99e88c

SHA256
5d9e64dcc2b6b62b8b6d3d5f6d99d07e98af29d8cf8ea517afa113e2f42f5824

SHA512
73135e831f31a71d1a855459186d60bb7237d7b79f3ee358b22c3cda3dc2176df009afea503b796577cf3fb5eb7aa18f2cbe700a8a4ecd95231bf2add8d1f3c1

Download Submit
memory/1104-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1104-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4356-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads