f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 21:46

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General

Target

f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76N.exe
Size

78KB
MD5

bc04b59985364082c6631a5ae0927860
SHA1

7e6ada60a9a15928a153bd5ddd1d212968bb62ef
SHA256

f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76
SHA512

fc7dfcb3edacd0f224e8ad7a97cf73a435190300aeb2490117b78c6a6ed0098e27a7eecfe268f0013629397d3808c2f291dfd4b47af1be4cd969c18eab732ea8
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/G:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAG

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3908	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3908	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"	f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76N.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	f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 3908	3824	f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76N.exe	82
PID 3824 wrote to memory of 3908	3824	f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76N.exe	82
PID 3824 wrote to memory of 3908	3824	f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76N.exe	82

C:\Users\Admin\AppData\Local\Temp\f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76N.exe
"C:\Users\Admin\AppData\Local\Temp\f1d14fd8503324c051954ed300baaeae6e12fab33e7ee5ecb5be247e73df1d76N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3824
- 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:3908

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
8aae79d06f4e7d0f54b420bb0b0be777

SHA1
e55e2d453137d12ad7b2f3cb6439414872b1806c

SHA256
bc9ff145fe9dc864229eeeff19b4d1461216ea63b4eb5e9e68cee1022ba9783f

SHA512
7bf8f0a41d65a4685f92a0c31fc6eba7451fe2f42c89b7d315aa7b4c033086aba33981dfa61ed8239cef3014fba8f468e6b0575ea7a1e53755c06e1188905099

Download Submit
memory/3824-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3824-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3908-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads