edafcf46b28b7bf2c6dc0ae85c460d120c670a7a50447ea5b5c1400c24cae63f

Analysis

max time kernel
119s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 16:57

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General

Target

990068d6ecf89555129d82e0953d88c0N.exe
Size

37KB
MD5

990068d6ecf89555129d82e0953d88c0
SHA1

9b1e9b93c1d4fad939b239a22b6d638ac6073f33
SHA256

edafcf46b28b7bf2c6dc0ae85c460d120c670a7a50447ea5b5c1400c24cae63f
SHA512

9b39e3a7b11335d5f4ee318e894d75acb036453364f78d281ed20e4e9a1fc04da99c48bb3ad00020a2f3a96c80e4be6a58216c0c32cb7a746277ce729f39cc36
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAcBHUIFvg:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gq

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4856	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4856	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	990068d6ecf89555129d82e0953d88c0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	990068d6ecf89555129d82e0953d88c0N.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	990068d6ecf89555129d82e0953d88c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 4856	5052	990068d6ecf89555129d82e0953d88c0N.exe	84
PID 5052 wrote to memory of 4856	5052	990068d6ecf89555129d82e0953d88c0N.exe	84
PID 5052 wrote to memory of 4856	5052	990068d6ecf89555129d82e0953d88c0N.exe	84

C:\Users\Admin\AppData\Local\Temp\990068d6ecf89555129d82e0953d88c0N.exe
"C:\Users\Admin\AppData\Local\Temp\990068d6ecf89555129d82e0953d88c0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5052
- 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:4856

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
38KB

MD5
9bfee2792570584a31edb1f1c51d5dea

SHA1
975fc46cc663bb9cd04e4aae424373438b6679db

SHA256
127d8933850cf82728efca001686130045a0fcc63ccb866e65cd641974034a49

SHA512
4a3d5d44f8d9af8c0695180489074a0c6d059d490ea2cab213000b632edb429e775e988d87b803fac51815739d29e6d380eff9a0ee421c64cfb9c11413605f3e

Download Submit
memory/4856-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4856-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5052-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5052-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads