8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2024, 15:17

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General

Target

8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22N.exe
Size

61KB
MD5

b6c4e2088246caffcf0eb83225f7eed0
SHA1

7d001e0ae1280fa2f667c81a06e781945a24dd6d
SHA256

8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22
SHA512

a30d24601c36392842abe36c30603e4a5d1d1ee043247b9bdd3a7770ff6a34b4300bc5a4edeafa6824b9f050e35749e2055c9bb69c8e75ee3e6602fbe638c312
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhId:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV3

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1592	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1592	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22N.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	8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1592	1680	8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22N.exe	84
PID 1680 wrote to memory of 1592	1680	8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22N.exe	84
PID 1680 wrote to memory of 1592	1680	8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22N.exe	84

C:\Users\Admin\AppData\Local\Temp\8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22N.exe
"C:\Users\Admin\AppData\Local\Temp\8e76f8611186cb91090d4771c60b1c3627224f7899b76abaad16e1496ca65c22N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1592

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
61KB

MD5
daa6e5082bd76099cc467b5f34e8a8a1

SHA1
248e5c2c9d1fdec42132bb4f95bacb17f10e513b

SHA256
f3a446aff0078218f68729ce4f0ce56682e1ab6862cd995877bbc8fe142e4126

SHA512
a6f6a36dfa7ac59ffe17f745ace52b0a0bcf1b8a6b75775766d8386d33f91deaf07f0a738cd1eafe9e626d0154aa57ca14d110d1ec496a312e4ab774b60c80db

Download Submit
memory/1592-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1592-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1680-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1680-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads