d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446

Analysis

max time kernel
149s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 03:33

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General

Target

d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446.exe
Size

75KB
MD5

0a289ab4b90d7423c672c9fa875f0598
SHA1

dce04410a53a6561e2b6506f84c1e1e57a524173
SHA256

d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446
SHA512

73a9f34bf603dc02275a596c5c34955da35e06bf00385100d905c74979638caea4e28d9c0ea48fa5b5aa9dec23e48e712e3d05666c590fc59b8653492df72838
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTS:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAU

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3348	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3348	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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446.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	d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 3348	1448	d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446.exe	88
PID 1448 wrote to memory of 3348	1448	d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446.exe	88
PID 1448 wrote to memory of 3348	1448	d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446.exe	88

C:\Users\Admin\AppData\Local\Temp\d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446.exe
"C:\Users\Admin\AppData\Local\Temp\d53de25cbb9d4ee74548955093cf053b38ae066b5bfcecee44f190a12af70446.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448
- 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:3348

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4288,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=1040 /prefetch:8
1⤵
PID:1696

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
75KB

MD5
10fa2f67117a944199af8d0ecfe8fc5a

SHA1
4fd8a0ce8a6f644d928b0e2682bd5007e7ccb7a5

SHA256
389828da421827f3818ac9ca3b8d92673f3ee0556ccb4909a84bdf6d1bce900c

SHA512
9fbccffde4ee29cf4ff7b514c173d6427687c5f478c17cef9efa1e60851b4932d303671451b6ea24d6020b596ba8c51ea2f23a285eec7b9260b423efe24a9695

Download Submit
memory/1448-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1448-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3348-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads