cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859e

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 03:37

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General

Target

cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe
Size

58KB
MD5

1e46e75ae543d5d620043ff827669ff0
SHA1

037397f219d9e18575672b68e1c0e04e573c5572
SHA256

cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859e
SHA512

4a20161c98776e1682f87aab1193c31826bd2e5762d11e6449a17dc54e2627db06d632f3ca54ed609e754bf185b8bae0a6f17133b191955051b9245c3bb89d5a
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIB:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVT

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2376	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2376	1956	cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe	30
PID 1956 wrote to memory of 2376	1956	cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe	30
PID 1956 wrote to memory of 2376	1956	cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe	30
PID 1956 wrote to memory of 2376	1956	cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe	30

C:\Users\Admin\AppData\Local\Temp\cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe
"C:\Users\Admin\AppData\Local\Temp\cbdd7de02c71aab449132c049663f45681b54f524ba3c4fc1dae62e4464e859eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2376

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
58KB

MD5
5f6846da7218a51c3b88ea6f0ecdd94d

SHA1
e79190aa92ffd9b23a03e53ad71435e14da6ce0f

SHA256
6ebc67a7b87011ad38d34c50158c987974d3c48d43dd9c0e8302811bf58fa607

SHA512
899a87bb3fce1424ed37bfeae703aefef2ea8727a9092ffd8701ad3c20e5dac1937d2e4de2d63841f1bb932b7fc49f4a21e324192a1b70af33d791b15c7a29a6

Download Submit
memory/1956-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1956-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2376-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads