027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 18:21 UTC

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General

Target

027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.exe
Size

63KB
MD5

fd7c27cc39378f991a32e2252118fce6
SHA1

dbae97920c20a669333a67617aa8cd2b08790938
SHA256

027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2
SHA512

8e3ebb5b69ec00fa6da70d0fcc10efcc1789fcaba017b8a4242b205ed3f4eda24fdf5a5658d563402c61f1c47d58e2e2d89e7336cbcdd9e971931d0e5016a70b
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIj:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVF

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2044	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2044	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.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	027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2044	2388	027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.exe	31
PID 2388 wrote to memory of 2044	2388	027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.exe	31
PID 2388 wrote to memory of 2044	2388	027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.exe	31
PID 2388 wrote to memory of 2044	2388	027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.exe	31

C:\Users\Admin\AppData\Local\Temp\027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.exe
"C:\Users\Admin\AppData\Local\Temp\027afb9de1c5b3e28c74667c1af2f441abccf0de676afdcc8bb7435c14751ae2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2044

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
05cbfccca5d3ffec17d1f39a941a1c0a

SHA1
16fea347c04dd328db34be00d95d8c1ec289559c

SHA256
fa24f62cd3c0dcebe3f8c4defef002180f3d14d7b69f741eb50ca016ddd6c1ec

SHA512
3e7af146eb74719937e8e22925298ccb9773865e5abd1e03929cec96cf40d93b6a448d8e27cf4fb46986d70d918569b1b6b4b748acee95c7644e93103f686a31

Download Submit
memory/2044-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2388-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2388-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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