b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69e

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 08:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69eN.exe
Size

40KB
MD5

6d78eeccb29e903d5fa5e5812342a330
SHA1

7dbd791224e0bead15bf06bcd48a293c514a1b74
SHA256

b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69e
SHA512

32bf5f1f307cbaf1715ed81a1200569f14052dae006bfeee87bc8cb343a4e039efc4e68b8c1b0bc2c2dca287ee7a0a5dcec36eea8c0495fa7e1888c22e99b51a
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6v8tvGE9UHrSdghj8bvHRIkhbUIchUh8F:e6q10k0EFjed6rqJ+6v8tvGE9UHrSdgj

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3512	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3512	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"	b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69eN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69eN.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	b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 3512	1660	b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69eN.exe	89
PID 1660 wrote to memory of 3512	1660	b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69eN.exe	89
PID 1660 wrote to memory of 3512	1660	b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69eN.exe	89

C:\Users\Admin\AppData\Local\Temp\b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69eN.exe
"C:\Users\Admin\AppData\Local\Temp\b7d40d09085f7f3ff2525e61418c76ba5423b5bcc7d5ed6b3e567111d258b69eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660
- 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:3512

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=1040,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
1⤵
PID:1104

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
40KB

MD5
e51f79e59d2935eeecea17cc63cc9cfe

SHA1
bc9a05e3ad75177c42425e2dfcb7576a2ebd5c96

SHA256
20eac0f91cd8d89716236af9a42d97b17fd7909129ecfa78c082b4a83bdf324f

SHA512
df91513dc20a9e937c07564cf9a96f338f31cb7856609872f9606f117949e51f5479c94fe6352b22f707a407e80d395f33565866957fb68f0b43697e5bf8239b

Download Submit
memory/1660-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1660-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3512-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3512-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads