3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824a

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 21:15

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General

Target

3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.exe
Size

43KB
MD5

c60c432d1f87c991649d65967dea5570
SHA1

629830d88d274459e7f1238c62bdaf53a8d510ef
SHA256

3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824a
SHA512

9a754cdc14f69c98a209dad964c02881ed78f9f312983bb8b7c87bced7a16987d53e78000051ebd898648fc568fce0d837703e0496b3357e2192b3928d3b84e5
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhP:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYv

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2820	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.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	3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2820	2736	3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.exe	30
PID 2736 wrote to memory of 2820	2736	3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.exe	30
PID 2736 wrote to memory of 2820	2736	3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.exe	30
PID 2736 wrote to memory of 2820	2736	3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.exe	30

C:\Users\Admin\AppData\Local\Temp\3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.exe
"C:\Users\Admin\AppData\Local\Temp\3fe9c84212e2889458f77ddf20a91ca7b25ff051af9863ccc11b060b8bb9824aN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2820

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
44KB

MD5
b53f7729d05c4bd9964d494616c2d995

SHA1
6c73512859eaae9d47f8268ec73435eb0e3118ee

SHA256
670983d0f11a21696ec3a19f17b8747b959099895be23131cd43f0a9f72e1a90

SHA512
5d1a17aeb99177f281dc4939e3568d9efd8f2c5b3ed79a3a295c252d99c522ab7aaf86ed940bd4d1841f0274ec5102b6d602a4edc547b72fd0ee67199bba1282

Download Submit
memory/2736-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2736-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2820-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads