16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 07:10

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General

Target

16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe
Size

63KB
MD5

9ea103a3b55ef72112865f94af379f10
SHA1

fcab77e180ddf47762d202c4806f7e622dc81d60
SHA256

16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931
SHA512

061df5348a8e8f29616deab46133a2fdf533ef4a29895b6ea3836ac255de42d6d2abb26be96378c77b6d0f4b665734e854133f9576c82ef0bd1e39285fb27634
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhJIFm:lAo1lOwvlKlXBP6vghzwYu7vih9GueIs

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2176	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2176	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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2176	2100	16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe	30
PID 2100 wrote to memory of 2176	2100	16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe	30
PID 2100 wrote to memory of 2176	2100	16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe	30
PID 2100 wrote to memory of 2176	2100	16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe	30

C:\Users\Admin\AppData\Local\Temp\16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe
"C:\Users\Admin\AppData\Local\Temp\16da179a31b8bd19a661bfa73c509adc8f66746f3130da1e9adc062864196931N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2176

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
63KB

MD5
4d320217b12637b8cd0506da1fdd6163

SHA1
314a31911ec885b3012a0a6ff8ce1f88e58e4698

SHA256
37121bebcd92c35e6f89de521628d5cfa71bf6d1c5bc8de85d72b482790000d1

SHA512
af232063bb40f0d2c93fb134a62a8306084604d9d873c0e13d9d735b47b372c87b7db369b9b6dc1e834119d550fd9a8bfb13af42079b28703d69a0a4c57d5f26

Download Submit
memory/2100-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2100-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2100-6-0x00000000001B0000-0x00000000001BF000-memory.dmp

Filesize
60KB

Download
memory/2176-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2176-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads