87a3896bebabb582782e7a37a7c1379bd5aee63671ca3cd77edf8ff7c29a5c29

Analysis

max time kernel
119s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 00:26

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General

Target

284f225101064df61d4b5ac9023b8700N.exe
Size

41KB
MD5

284f225101064df61d4b5ac9023b8700
SHA1

2a4513e327c63e5e2c0c59b41b58c4017e59dc6e
SHA256

87a3896bebabb582782e7a37a7c1379bd5aee63671ca3cd77edf8ff7c29a5c29
SHA512

9f5b1bca31b5cf835aa89e222411a0d3ef826d1327f11987812ae4544246beb1a590e2a38927462e62a210bb4ac151a39d555a552448bfc346160f1d6b6881f6
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhX:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY3

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3140	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3140	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-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	284f225101064df61d4b5ac9023b8700N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	284f225101064df61d4b5ac9023b8700N.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	284f225101064df61d4b5ac9023b8700N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 3140	2896	284f225101064df61d4b5ac9023b8700N.exe	84
PID 2896 wrote to memory of 3140	2896	284f225101064df61d4b5ac9023b8700N.exe	84
PID 2896 wrote to memory of 3140	2896	284f225101064df61d4b5ac9023b8700N.exe	84

C:\Users\Admin\AppData\Local\Temp\284f225101064df61d4b5ac9023b8700N.exe
"C:\Users\Admin\AppData\Local\Temp\284f225101064df61d4b5ac9023b8700N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3140

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
41KB

MD5
284de35ed0c1c0cd5af4387b26ac199b

SHA1
56a52795a33bfabffc7c9e2ba17c3f91beac9e0c

SHA256
d229399400df9c4038cdf114ad9535f04d1cac127703ba662a2ef77b305c1578

SHA512
22ea9ea5af2720a3fe85ad6aeae2bbb1d61a6d598466bc59d45ec94ab277553efcf1749bceefc12ea57bcbc6cb2dc154e8fddd8a75284f881824fd4e3eff4be4

Download Submit
memory/2896-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2896-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3140-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads