70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620d

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 04:59

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General

Target

70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.exe
Size

61KB
MD5

e55a87a91c61ffe3560b232f20707fd0
SHA1

04ad4527bfaf05ee2b008e61746babe3105421a1
SHA256

70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620d
SHA512

8caae6b768b5e6fd534fbd2bb288ffaf384947301ab7b31ce4a58b31184ce1fc52b1d66a210b7a79e1c4eefe5019eeb3bf417141a0fd85e861076f539b31c71b
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIV:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVX

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2532	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2532	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"	70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.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	70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2532	2408	70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.exe	31
PID 2408 wrote to memory of 2532	2408	70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.exe	31
PID 2408 wrote to memory of 2532	2408	70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.exe	31
PID 2408 wrote to memory of 2532	2408	70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.exe	31

C:\Users\Admin\AppData\Local\Temp\70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.exe
"C:\Users\Admin\AppData\Local\Temp\70b1781b9fa0b6c1601512180c72c4ad507b51c24f425e70d453a1c40dbf620dN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2532

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
61KB

MD5
5806bbb0d4a38ece54d794ae6a49223a

SHA1
77242822fb67a2d180234fb719800aaf9a1118ba

SHA256
36ad1360624820c1e33665208562abbf5cad52bf2ecb7407637144fea45d29a3

SHA512
e3d4b41f35c4284f54f627a4b3ed0dae4b67678e16e169958c69de3ef30bd715229926c42b654c526dfd7ce425d6cb0059280603c02046027edf08936bb704ca

Download Submit
memory/2408-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2408-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2532-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2532-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads