b45944ebbf3a353bfc7320e2982b3c6b9df1d043089b035124c565963300dff5

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 06:52

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General

Target

3959bae30c048655daa2400446c6c5b0N.exe
Size

45KB
MD5

3959bae30c048655daa2400446c6c5b0
SHA1

cb59cb0dd990ea672b31f6b6d934134e227588ed
SHA256

b45944ebbf3a353bfc7320e2982b3c6b9df1d043089b035124c565963300dff5
SHA512

8c401673f7f229ecf3edc8f8c60eb76c8493d78a01e9fcf77375161076be4e53d1f10adca5ec469fe91695cb0d13fc1117bf0a6793db1a9f867c3e3a7ed2b2b7
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhW:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY2

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2088	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2088	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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	3959bae30c048655daa2400446c6c5b0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	3959bae30c048655daa2400446c6c5b0N.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	3959bae30c048655daa2400446c6c5b0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2088	2360	3959bae30c048655daa2400446c6c5b0N.exe	30
PID 2360 wrote to memory of 2088	2360	3959bae30c048655daa2400446c6c5b0N.exe	30
PID 2360 wrote to memory of 2088	2360	3959bae30c048655daa2400446c6c5b0N.exe	30
PID 2360 wrote to memory of 2088	2360	3959bae30c048655daa2400446c6c5b0N.exe	30

C:\Users\Admin\AppData\Local\Temp\3959bae30c048655daa2400446c6c5b0N.exe
"C:\Users\Admin\AppData\Local\Temp\3959bae30c048655daa2400446c6c5b0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2088

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
45KB

MD5
cf621104cfd82f6c65ee37c924cbc8ea

SHA1
2b54560204a8b2abc36f2f7f2e8e9d9049eed686

SHA256
344dfdc8a8ef0c80828d6eeafe324a59049ddfe04ffd1ec523c59bee302d9462

SHA512
be9c001f6295148987bf3cd01d817655ffb963e72f398a335c3506288859dde07a41237ea4bc17de61925b17ab4ff806f8440689a478dcc95366dac6cf9e7d70

Download Submit
memory/2088-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2088-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2360-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2360-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads