389beb59ab9faa6db18a2434e3645775da0104e9456af6abd3e2d0e94899e632

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 23:12

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General

Target

055cb0295fc2043b82740dda30c11b40N.exe
Size

39KB
MD5

055cb0295fc2043b82740dda30c11b40
SHA1

0322bd19b6c88f4f25eb743e1485ea37167a7c02
SHA256

389beb59ab9faa6db18a2434e3645775da0104e9456af6abd3e2d0e94899e632
SHA512

1b48d2368de61423e02b3e63be16fec5f70dcb5ac10e38791de199bc54108b87ae85f963080ec4fdfe2f9aaba68801c7a80b464858e5e1a0d1c7340b397f9ebd
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh5:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYZ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3052	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3052	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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	055cb0295fc2043b82740dda30c11b40N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	055cb0295fc2043b82740dda30c11b40N.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	055cb0295fc2043b82740dda30c11b40N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 3052	1612	055cb0295fc2043b82740dda30c11b40N.exe	29
PID 1612 wrote to memory of 3052	1612	055cb0295fc2043b82740dda30c11b40N.exe	29
PID 1612 wrote to memory of 3052	1612	055cb0295fc2043b82740dda30c11b40N.exe	29
PID 1612 wrote to memory of 3052	1612	055cb0295fc2043b82740dda30c11b40N.exe	29

C:\Users\Admin\AppData\Local\Temp\055cb0295fc2043b82740dda30c11b40N.exe
"C:\Users\Admin\AppData\Local\Temp\055cb0295fc2043b82740dda30c11b40N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:3052

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
40KB

MD5
3472be19f0a313b37bce8748814ba1a2

SHA1
1b73e71798d3397ac11c7dc340583287a6d87438

SHA256
aaa1bef55a19101e8b065e37bf98df86590e7b2e4864416733ffed70fcb3aede

SHA512
a9f7f60956b5f0a3ee64e1321cdbd138bf432d072fea60b9f204bb4fb33421113fdbcdb5264f1dcd652c908cb94961eb329d49e1dea88d652dff531a91544db7

Download Submit
memory/1612-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1612-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3052-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3052-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads