57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24-08-2023 01:45

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General

Target

57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe
Size

1.2MB
MD5

85e7ba83121f4c6b55ad3447596d97cc
SHA1

43ec44b701bbec540abdb4f01d8a9311053f952c
SHA256

57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3
SHA512

8c4943f860166c64cb447cbc745cec9e23ea72aab75e89610a7da369a6adece39ac1fbd653603039a05d155610ca073202d944b6bda8b7e9ed6c90d32c25bbc0
SSDEEP

12288:hzC1F/meN7YOxHf9JhqeKnq/sqn6pXTsKjt2V9J:VC1FmK7YOlfwhnKs+6pXTnp2V9

Score

6^/10

persistence

Malware Config

Signatures

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-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Windows\CurrentVersion\Run\Serverx = "C:\\Windows\\system32\\Serverx.exe"	57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Serverx.exe	57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe
File opened for modification	C:\Windows\SysWOW64\Serverx.exe	57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 888	1856	57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe	28
PID 1856 wrote to memory of 888	1856	57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe	28
PID 1856 wrote to memory of 888	1856	57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe	28
PID 1856 wrote to memory of 888	1856	57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe	28
PID 1856 wrote to memory of 1216	1856	57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe	20
PID 1856 wrote to memory of 1216	1856	57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe	20

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe
  "C:\Users\Admin\AppData\Local\Temp\57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Users\Admin\AppData\Local\Temp\57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe
    "C:\Users\Admin\AppData\Local\Temp\57ef91e4e7fb3b36bab175ab2841af15bdab50313141e39f23b7a5f8169908f3.exe"
    3⤵
    PID:888

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/888-4-0x00000000000B0000-0x00000000001E4E98-memory.dmp

Filesize
1.2MB

Download
memory/1216-3-0x0000000002110000-0x0000000002111000-memory.dmp

Filesize
4KB

Download
memory/1216-5-0x0000000002110000-0x0000000002111000-memory.dmp

Filesize
4KB

Download
memory/1856-1-0x0000000000520000-0x0000000000655000-memory.dmp

Filesize
1.2MB

Download
memory/1856-0-0x00000000000B0000-0x00000000001E4E98-memory.dmp

Filesize
1.2MB

Download
memory/1856-6-0x00000000000B0000-0x00000000001E4E98-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads