cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972a

Analysis

max time kernel
121s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/09/2024, 10:06

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General

Target

cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe
Size

81KB
MD5

82fa4a8eca9f0709286dd84631f00f20
SHA1

a0309dc3accabbbf2176fd8832b56a5b21580d9f
SHA256

cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972a
SHA512

c3c5e6eb8ed8c8db16d2e358b08154ceca50c5237d11757f99a5be98a528899ad9165a7f30425fc552c22b459c4f106d06f8d3aca4e2ea3a71f8b68824b829ff
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvT6:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAo

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
112	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
112	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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 112	904	cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe	29
PID 904 wrote to memory of 112	904	cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe	29
PID 904 wrote to memory of 112	904	cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe	29
PID 904 wrote to memory of 112	904	cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe	29

C:\Users\Admin\AppData\Local\Temp\cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe
"C:\Users\Admin\AppData\Local\Temp\cb0c3817f989c2893c907d4c6ace8e97930ea2455e65ae167ab7be5c4a38972aN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:112

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
81KB

MD5
a7cdb9ae2661f0599d7c2cd633e97031

SHA1
3783c966033115fad8968ebf07a3ff51d822007b

SHA256
fd129271a659f84ebc9a6be95ce69e74c6300f2d97068ae3682dae2557f48767

SHA512
d55a6aba6811cd70d3a5c23cdc89765c6aec6c262ba874d0b32feb3daef6781c5af8cb4ce6d9fc9d6275bb8de6f54226ce59615871b01a68c0fc5534d7fe51a3

Download Submit
memory/112-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/904-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/904-6-0x00000000002A0000-0x00000000002AF000-memory.dmp

Filesize
60KB

Download
memory/904-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads