aa32e7bb5a51454bb069ab400e7ad0a4701497546156d1af42ba454468da0819

Analysis

max time kernel
119s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 00:04

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General

Target

f17593179f37533c8a5e2f694ad70920N.exe
Size

37KB
MD5

f17593179f37533c8a5e2f694ad70920
SHA1

f80b54531e0b38466d00f6f99f81713fc20d57f2
SHA256

aa32e7bb5a51454bb069ab400e7ad0a4701497546156d1af42ba454468da0819
SHA512

84e3bc3adddc17bc4f8d8a4bfa338b511af01d6345448dab0193ea1414f32b301ee3177ca365c485a24a87d5bb58253614982bf454504db4a6aa624b64e81877
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IX:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gb

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
444	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
444	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f17593179f37533c8a5e2f694ad70920N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f17593179f37533c8a5e2f694ad70920N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	f17593179f37533c8a5e2f694ad70920N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 444	2380	f17593179f37533c8a5e2f694ad70920N.exe	84
PID 2380 wrote to memory of 444	2380	f17593179f37533c8a5e2f694ad70920N.exe	84
PID 2380 wrote to memory of 444	2380	f17593179f37533c8a5e2f694ad70920N.exe	84

C:\Users\Admin\AppData\Local\Temp\f17593179f37533c8a5e2f694ad70920N.exe
"C:\Users\Admin\AppData\Local\Temp\f17593179f37533c8a5e2f694ad70920N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:444

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
37KB

MD5
1f06537665e9bd4014cdf44f6d64dc28

SHA1
631dcdb5fce07a90e73e469e631537ec3f3318fe

SHA256
0bc2c5e62516954cad3946b141215dc4c7ddfca84599bcb9fe283f0674c5d8d0

SHA512
d1a22a5c981efa4a0a25204d9a8ac18c4003427435624934ca25880974b8f71de66dbfb31b98b8847fd1fbf29009a5218100eec11e8269ec7f3040a40d7a6ba0

Download Submit
memory/444-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2380-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2380-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads