e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532ab

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 18:02

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General

Target

e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.exe
Size

40KB
MD5

39221d501b0d1cb60b1639b786d4aa40
SHA1

1817730adc8c2526602e32b101b4e4e68fc4b591
SHA256

e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532ab
SHA512

1ebc0a9e2b63253ab6e51593c28593c768a2967e3c28193d5f237f36e40ae539715cba057d9bb0e5a42d20a7c83f991287c61dea0394ab4bc2d7792e19c94fef
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAcBHUIF2r:e6q10k0EFjed6rqJ+6vghzwYu7vih9GE

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2820	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.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	e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2820	2776	e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.exe	30
PID 2776 wrote to memory of 2820	2776	e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.exe	30
PID 2776 wrote to memory of 2820	2776	e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.exe	30
PID 2776 wrote to memory of 2820	2776	e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.exe	30

C:\Users\Admin\AppData\Local\Temp\e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.exe
"C:\Users\Admin\AppData\Local\Temp\e8bff3d78e3ecdf44ba57712cf8aebd4ccd95afcbe44f07f75db2c9afe2532abN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2820

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
642465e1e29892a1fb597a6721e48621

SHA1
f1ea8b0492f1a58e384a7b2d178f9d3e38f885d8

SHA256
4fedb339b99af5386a88cd527110370d85d35c213bade1a284792c28c405532a

SHA512
d8ff1a7d0b002fe65886b57d487e2eea5ccc292f5d970b56b5b9d8c163ab0b2895a603deb871e04a28162c41765f01dbdfa24be334ab2e305387c8bfdb5fa5a8

Download Submit
memory/2776-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2776-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2820-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2820-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads