41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3ee

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 02:13

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General

Target

41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3eeN.exe
Size

42KB
MD5

5d1ad6766f0f7ecd03e39d6e24445df0
SHA1

bbcc354d293edef7b1682fe267b5c60fe1b9e6b4
SHA256

41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3ee
SHA512

765f54cede9dd2ba854e254a9e595f27d53a8e963da51790e478daff3fd866503eef36f0b3cc2d7e6b62b6f85903a7e4869da559a72c7313ccf540fd9c3d61c7
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6I2:e6q10k0EFjed6rqJ+6vghzwYu7vih9GS

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5076	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
5076	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"	41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3eeN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3eeN.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	41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3eeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 5076	4740	41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3eeN.exe	91
PID 4740 wrote to memory of 5076	4740	41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3eeN.exe	91
PID 4740 wrote to memory of 5076	4740	41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3eeN.exe	91

C:\Users\Admin\AppData\Local\Temp\41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3eeN.exe
"C:\Users\Admin\AppData\Local\Temp\41014688ff73b6a44df2b5e6807c40edcebe1474ad17db3fccb03e985b35f3eeN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4740
- 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:5076

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=4340,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8
1⤵
PID:2716

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
43KB

MD5
7311bb91d36932361b8354c979622ed5

SHA1
7025d7fb3048fb3c7fe9b9934c3e843b3f47fa04

SHA256
1fd8308e479da864aa4432d53486763f515cc2bc85bf35e2fc15bcaa85707a3e

SHA512
6a5e9094e16fd01134b346f5346dc43cc8749e40113465a8e124538501750c0bda22c9a3c94ffe05747b77037b2e6c2594f9ed98b073c9e86ca65c383ad3b5f8

Download Submit
memory/4740-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4740-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5076-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads