290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a

Analysis

max time kernel
149s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/08/2024, 20:15

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General

Target

290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe
Size

52KB
MD5

43daee431e96ef8668d3219fb0c5fb7a
SHA1

14e105e578dd8b91d2391d13bf0e7ec11ba1e539
SHA256

290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a
SHA512

912910cd483742e17a40a4829272876fd2d65b7b373d698970ac06382c74c955aec0c0182391f6796aea3d5e9938c7d31ae1bbe19bed0aa7d75308c12c58d444
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIF:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2760	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	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"	290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.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	290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 2760	3252	290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe	91
PID 3252 wrote to memory of 2760	3252	290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe	91
PID 3252 wrote to memory of 2760	3252	290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe	91

C:\Users\Admin\AppData\Local\Temp\290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe
"C:\Users\Admin\AppData\Local\Temp\290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3252
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2760

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=4616,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=1008 /prefetch:8
1⤵
PID:60

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
52KB

MD5
61932c5e836a8c9f9120ad0560b6bcb5

SHA1
75edfaf4a1c0b3fd7c8236007b02739a3ecdce35

SHA256
8fe7053fd46758ff99436225649ae6186f28bcaeadb02f5f18981a58d59ae638

SHA512
7d05831252d128667c893e696d38a90beeceb06aaccc278e509ea0489961bd94c25f8479809fdc9f09ec2411a69a76e000440e5d0cac8fcac89fa48fe3ca4f20

Download Submit
memory/2760-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3252-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3252-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads