c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 01:43

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General

Target

c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af.exe
Size

38KB
MD5

4792224a1fda9e36beadde993058f3f8
SHA1

b8eeceffa43080c07b569e7034e63164f9779e9d
SHA256

c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af
SHA512

07526572d51e0b800436dae99422afe016943c7cc329cfba60d2790a9c922b3c4d50a25a90d87f52b3f457bf0778bbec4f6a8a8978119920f4cc5dbf4dcc0539
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhF:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYl

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3912	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3912	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af.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	c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 3912	1840	c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af.exe	82
PID 1840 wrote to memory of 3912	1840	c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af.exe	82
PID 1840 wrote to memory of 3912	1840	c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af.exe	82

C:\Users\Admin\AppData\Local\Temp\c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af.exe
"C:\Users\Admin\AppData\Local\Temp\c9e505b6919b88872c9097c23b183fd15706d82988e69ff3f5a2d01dd62879af.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3912

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
38KB

MD5
0ded696732a7582ed113cd60a48fc425

SHA1
6f61f7f715d7fc662481bd0335ad395eef8271b5

SHA256
9c3bf44f50b0697e3fdc42c350fe06a88e8bc15d0c2c6ea2c0aec829129fddef

SHA512
38820250ad38301dcc03a1804100b1c505bb613ec50624062e809f156be9516089c4bac7e52f469287675671a1fc2d5bc76efae25b619d3833ffbba864101cba

Download Submit
memory/1840-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1840-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3912-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads