18f0e77740c5c8ad37d9dfa30aebf9d7a5b1c4609239a88dac57a47de3c04def

Analysis

max time kernel
120s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 17:43

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General

Target

697ffe21f4ab15f67e8273a54296d000N.exe
Size

43KB
MD5

697ffe21f4ab15f67e8273a54296d000
SHA1

6fba674d6283a3da291163302fc20ac5cf93cb13
SHA256

18f0e77740c5c8ad37d9dfa30aebf9d7a5b1c4609239a88dac57a47de3c04def
SHA512

60b53c630da17a69cf10635757851c7a7119f82c5a10b2fc4d7ad9258d8895b290397efa196ca08d08d25f3ef30db4538152038f05ce9774776e3e75a8297d36
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhp:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYJ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1924	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1924	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	697ffe21f4ab15f67e8273a54296d000N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	697ffe21f4ab15f67e8273a54296d000N.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	697ffe21f4ab15f67e8273a54296d000N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 1924	4444	697ffe21f4ab15f67e8273a54296d000N.exe	84
PID 4444 wrote to memory of 1924	4444	697ffe21f4ab15f67e8273a54296d000N.exe	84
PID 4444 wrote to memory of 1924	4444	697ffe21f4ab15f67e8273a54296d000N.exe	84

C:\Users\Admin\AppData\Local\Temp\697ffe21f4ab15f67e8273a54296d000N.exe
"C:\Users\Admin\AppData\Local\Temp\697ffe21f4ab15f67e8273a54296d000N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4444
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1924

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
43KB

MD5
516293e7b1d267857fd9082bc01a0a07

SHA1
599d63b4520c096d81a5203070f25a9a585ae9d2

SHA256
efe603d64949f13bd471d7193008531f1651457add3c8868d0f7514e87612f6b

SHA512
da843f28f8b59d6a4e76e0132215fe869fe2efb5acbf08c05c8dde4d0e773e0e919746440d34ba3a5a39916a2e81e259ff22032d4cf277ba8ba0c445a7561b29

Download Submit
memory/1924-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1924-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4444-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4444-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads