b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26-07-2024 02:14

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General

Target

b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.exe
Size

43KB
MD5

535bf7c06692b073b787286510254e77
SHA1

1070918ae960916fa8e847218c132554740a69a6
SHA256

b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386
SHA512

b8fc21555c8dc6c61e4d916e950488f628c7b201fc382189e7135da09a1f78f55ce742c8c9abdbed2b50d941219f8c434ca388e9bc0b2bdbcff578984de54820
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh4:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYY

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2352	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2352	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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.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	b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2352	1732	b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.exe	30
PID 1732 wrote to memory of 2352	1732	b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.exe	30
PID 1732 wrote to memory of 2352	1732	b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.exe	30
PID 1732 wrote to memory of 2352	1732	b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.exe	30

C:\Users\Admin\AppData\Local\Temp\b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.exe
"C:\Users\Admin\AppData\Local\Temp\b2981674e3ca852f89539b019b423fe706178ca41c78efbc9b813b818fe7d386.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2352

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
9105fad07b6a0f46bb623c9254b27429

SHA1
56cb282e83ed20ee809c6c3f814bf49ba205b3d2

SHA256
41d44c0c6ec9436382a14c3eb1baa396008eabfb1f645c6cd49d1d7d6077d36a

SHA512
072f07178a22c528e9ffd593fd6d02935403193d536512d99026d349ab0af97d68684fd0c628ed194165fb70140101b68516926eb34c516c47b7bf0a4a46c05a

Download Submit
memory/1732-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2352-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads