ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 07:38

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General

Target

ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe
Size

53KB
MD5

6dca33c80cf87c1896a10d612669b3d0
SHA1

25d31f7103b184b1d0281dfa22671dfd866203d0
SHA256

ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911
SHA512

6c662ff5a2fd9f2bbbe6c31f7b818f1f9b957b47aa682eb531e8ff1017c975303ab5d491926ff28cd5816f81a4be9ca95e6ea2c34cf89a811592afd36bde83ad
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI5:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVr

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2056	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2056	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"	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.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	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2056	1832	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe	30
PID 1832 wrote to memory of 2056	1832	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe	30
PID 1832 wrote to memory of 2056	1832	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe	30
PID 1832 wrote to memory of 2056	1832	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe	30

C:\Users\Admin\AppData\Local\Temp\ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe
"C:\Users\Admin\AppData\Local\Temp\ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2056

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
53KB

MD5
2f210e9a7813e10f01500e00027ce6a1

SHA1
52e6a8ce1c5555d9bba3d3ff814a572edd46840d

SHA256
85c6a849ca162990bbddf78d1d7a4795dc0c788b9db55c179452c3c83a08631a

SHA512
98274203e22c162fd632a0457e87621b34a5173c7bd953449cb51c94546bf9fcaba6a3cc1b7716b3a7aa61c7a9cb45757025b496e842c89cbf5be298d1b2fd34

Download Submit
memory/1832-3-0x00000000001B0000-0x00000000001B3000-memory.dmp

Filesize
12KB

Download
memory/1832-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2056-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2056-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads