58582a4076e823896b6cdd21bba1b62463e99d8fba4b2090536b810f9f92b79b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 07:26

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General

Target

4fa52924d68a5eb12fbce230c0806c30N.exe
Size

43KB
MD5

4fa52924d68a5eb12fbce230c0806c30
SHA1

bcfcc257d186388b6ceaaa2c2bec9dff7d837a75
SHA256

58582a4076e823896b6cdd21bba1b62463e99d8fba4b2090536b810f9f92b79b
SHA512

e9a214fc033a0c2d7db7c0f8af72a3c9f0433a16a05a49ee6a12daf0de66f0fffd4e853d6ae834b9ab784193b8d44e13fc55cd14817a45a398da2797ffa88921
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhR:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYx

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1172	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1172	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4fa52924d68a5eb12fbce230c0806c30N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4fa52924d68a5eb12fbce230c0806c30N.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	4fa52924d68a5eb12fbce230c0806c30N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1172	1744	4fa52924d68a5eb12fbce230c0806c30N.exe	30
PID 1744 wrote to memory of 1172	1744	4fa52924d68a5eb12fbce230c0806c30N.exe	30
PID 1744 wrote to memory of 1172	1744	4fa52924d68a5eb12fbce230c0806c30N.exe	30
PID 1744 wrote to memory of 1172	1744	4fa52924d68a5eb12fbce230c0806c30N.exe	30

C:\Users\Admin\AppData\Local\Temp\4fa52924d68a5eb12fbce230c0806c30N.exe
"C:\Users\Admin\AppData\Local\Temp\4fa52924d68a5eb12fbce230c0806c30N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1172

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
c318097316305d0a1b9bd5e879834cd4

SHA1
e9f4c054e7b0d36ba190f215fa3e1424fa185e2e

SHA256
16eb460888092075b60a520bab07f56b285217cc42e06fb7112222d6b8b1709c

SHA512
c6a92b07bafefbdcfb56c9ccb0cd7e2644410894e6b37acd201178a07d076b73e7a422074f21d31255991ffc38df09faf9cfa2ca493c6ff62d98d85d216090c6

Download Submit
memory/1172-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1172-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1744-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1744-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads