f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 03:27

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General

Target

f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.exe
Size

97KB
MD5

7f82b25d4378a3376203fe25439fd53b
SHA1

2a63202cc122bfbee5002c27739ad123a1e52d23
SHA256

f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4
SHA512

c530e0c4e16b824bba00714eb0f5a4c1a75d693bc1b64311b5be805d8c7b64033f8de8cd47290156e44d6641dcfd30785ed23ee10c31aeba9cdfffe77e98ca91
SSDEEP

3072:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nbnl1RRhCHODMe1X:zw6L/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2832	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	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"	f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.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	f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2832	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2832	2720	f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.exe	31
PID 2720 wrote to memory of 2832	2720	f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.exe	31
PID 2720 wrote to memory of 2832	2720	f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.exe	31
PID 2720 wrote to memory of 2832	2720	f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.exe	31

C:\Users\Admin\AppData\Local\Temp\f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.exe
"C:\Users\Admin\AppData\Local\Temp\f608d1677481ca9f6d9e9bf2a9ef0a8fdc1310bf6ea26f76a52cc02854ca5dd4.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:2832

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
97KB

MD5
21aef3eb46ad932ae02931f63cf2804b

SHA1
1086d644c6e9113e68e4f55846c57f76802b15a3

SHA256
8c006d4bdf25c5d58849981296aba21159a162ab8d093045db5d382deb5e37bb

SHA512
901b5ed21312e80d6acbcfbda60a856b4108284814c5fb1a3261d98371e098635fc9ad6852f7e322d19021ec96369df99428f5715ccf844d35446b2ccb56d03a

Download Submit
memory/2720-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2720-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2832-12-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/2832-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2832-14-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads