a564e5cbaf1a75e9ff6ded4019fbff9cdb1717c2b6923e6422b971cecf9cedc9

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02-09-2024 09:23

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General

Target

161221efbde8c0ee21cbf86d77857e80N.exe
Size

56KB
MD5

161221efbde8c0ee21cbf86d77857e80
SHA1

288755d1fa35e2c06f1b6d2b1e992d9fdbca940b
SHA256

a564e5cbaf1a75e9ff6ded4019fbff9cdb1717c2b6923e6422b971cecf9cedc9
SHA512

60455aa4acec951e91e1d80eb6766d0a2830aa774d43716da6517e87f44a4649d8f8ed681087a0cd86898c184a5d91adba7ad5172bf0c1acddd4954a7c6ea539
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIs:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVy

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2016	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2016	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-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	161221efbde8c0ee21cbf86d77857e80N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	161221efbde8c0ee21cbf86d77857e80N.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	161221efbde8c0ee21cbf86d77857e80N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 2016	2456	161221efbde8c0ee21cbf86d77857e80N.exe	30
PID 2456 wrote to memory of 2016	2456	161221efbde8c0ee21cbf86d77857e80N.exe	30
PID 2456 wrote to memory of 2016	2456	161221efbde8c0ee21cbf86d77857e80N.exe	30
PID 2456 wrote to memory of 2016	2456	161221efbde8c0ee21cbf86d77857e80N.exe	30

C:\Users\Admin\AppData\Local\Temp\161221efbde8c0ee21cbf86d77857e80N.exe
"C:\Users\Admin\AppData\Local\Temp\161221efbde8c0ee21cbf86d77857e80N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2016

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
56KB

MD5
20736094537642c013c89a93a5f94a8a

SHA1
689acc9afe74da8bd67848c797c71a6e6fb39121

SHA256
e5f42ce85b8e4550a5c2db7c8c123b6b52dd90f0d8f15b77cafd7709e86e8719

SHA512
4fec531c7bc023f3853ac9b4927a2b0d4ea087ef3a3cec5450e6b300048d8335b5c37de47b6513e606d7a5bd29c99b13cc38a7aca66250331022932da44b712e

Download Submit
memory/2016-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2456-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2456-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads