c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2

Analysis

max time kernel
120s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 19:28

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General

Target

c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2N.exe
Size

78KB
MD5

ad0eb8a2c240cc466b880b31536176f0
SHA1

86497534921b1fb1a7cb69d553652aa586ff5132
SHA256

c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2
SHA512

6e3db927bb3993eb7e51fb8da7dfb5271ae68905a93bea407c62a7e9ca1f6522601740d8aad7cbdc19cca8bae76c5f7f993cbae57dc604f8213446c804ea60a2
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvPHG3GvUhCHi1X5GoOvmHO4:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAi

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4840	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4840	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2N.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	c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 4840	2736	c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2N.exe	83
PID 2736 wrote to memory of 4840	2736	c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2N.exe	83
PID 2736 wrote to memory of 4840	2736	c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2N.exe	83

C:\Users\Admin\AppData\Local\Temp\c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2N.exe
"C:\Users\Admin\AppData\Local\Temp\c69bb77c6cc598fd568a69f13235e50f86be2da3dc9b301d9e600cacc95beeb2N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- 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:4840

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
78KB

MD5
d43942aa4a1e4f8e295a26f9fc17084b

SHA1
18667233a04ec0d8fe955d97526c95f4a9360dc3

SHA256
51d0a0ad4c5a256299668606af7d8142d602424719786e245780c841a0185036

SHA512
63f812e8e902f1e61775d384eaba0b919b4f0be0aa653e92253d890087aaabf50b23c74608cc5562c4f7a2231570130620882ada7e8bc3ae5d50814c7a7d2942

Download Submit
memory/2736-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2736-3-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4840-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads