f1d7ac7f65086e21379d897e637ba047ab45046787102fb1c7769714a7bc1494

Analysis

max time kernel
119s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 13:54

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General

Target

122c6829aa35ec94ef53b8d67d16d5d0N.exe
Size

58KB
MD5

122c6829aa35ec94ef53b8d67d16d5d0
SHA1

5d9f833b8d973b396bb46932f3c2f0a3ca4b6032
SHA256

f1d7ac7f65086e21379d897e637ba047ab45046787102fb1c7769714a7bc1494
SHA512

be335189d82798fefb09d74bcf6dd6bbbe5960fb110401626d91c799effc49d5e0f13b85499d4c8a49c5e5f4861cf8ad67680329cbcfeef131866bbd19472fcf
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIO:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVQ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5136	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
5136	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"	122c6829aa35ec94ef53b8d67d16d5d0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	122c6829aa35ec94ef53b8d67d16d5d0N.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	122c6829aa35ec94ef53b8d67d16d5d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 5136	2340	122c6829aa35ec94ef53b8d67d16d5d0N.exe	87
PID 2340 wrote to memory of 5136	2340	122c6829aa35ec94ef53b8d67d16d5d0N.exe	87
PID 2340 wrote to memory of 5136	2340	122c6829aa35ec94ef53b8d67d16d5d0N.exe	87

C:\Users\Admin\AppData\Local\Temp\122c6829aa35ec94ef53b8d67d16d5d0N.exe
"C:\Users\Admin\AppData\Local\Temp\122c6829aa35ec94ef53b8d67d16d5d0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5136

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
58KB

MD5
8321c14f4dd41a7334167bee7f355865

SHA1
d2c96dd39ecea97723c019ccab5c39328f8a3270

SHA256
c12843fdd405d0a4b9567716e3c76828ba13e470231bae7a82d723c059fc0dc4

SHA512
cd9c064972afab8280442d46dc37c5576cc331c01583b3740123bace0034cb71b55c97c23b7127627673610c22bfd804b0492893d5ce73707ed34cbab8aa1753

Download Submit
memory/2340-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2340-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/5136-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/5136-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads