81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24-08-2023 07:42

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General

Target

81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe
Size

316KB
MD5

b24fa06cea4f1f948cff4bf4957c7cad
SHA1

2c97238a807da33e913fcb9ae7a0b86828429e0c
SHA256

81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78
SHA512

33d54ef68b856b65544b55f3846a764e5e7406fad5c50f24d3f23180e23f31184fec3aad6cfd0072ee092881da20794fe8dd0dc7232978e5fdc5545437672aa4
SSDEEP

1536:ZNLIGsdtktdi+jzaPx48i2K8i2r8i2h8i248i2X8i258i2u8i268i2:Z0tktdi+GxuF8mXMu1t

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-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Windows\CurrentVersion\Run\Serverx = "C:\\Windows\\system32\\Serverx.exe"	81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Serverx.exe	81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe
File opened for modification	C:\Windows\SysWOW64\Serverx.exe	81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 2284	2576	81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe	28
PID 2576 wrote to memory of 2284	2576	81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe	28
PID 2576 wrote to memory of 2284	2576	81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe	28
PID 2576 wrote to memory of 2284	2576	81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe	28
PID 2576 wrote to memory of 1208	2576	81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe	22
PID 2576 wrote to memory of 1208	2576	81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe	22

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe
  "C:\Users\Admin\AppData\Local\Temp\81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2576
- - C:\Users\Admin\AppData\Local\Temp\81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe
    "C:\Users\Admin\AppData\Local\Temp\81c2ef74de1b200a66937794dcc41e7987e6607f7f5411169257a5edd3838a78.exe"
    3⤵
    PID:2284

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/1208-4-0x0000000002920000-0x0000000002921000-memory.dmp

Filesize
4KB

Download
memory/1208-5-0x0000000002920000-0x0000000002921000-memory.dmp

Filesize
4KB

Download
memory/2284-2-0x00000000010E0000-0x0000000001131258-memory.dmp

Filesize
324KB

Download
memory/2576-0-0x00000000010E0000-0x0000000001131258-memory.dmp

Filesize
324KB

Download
memory/2576-1-0x0000000000170000-0x00000000001C2000-memory.dmp

Filesize
328KB

Download
memory/2576-6-0x00000000010E0000-0x0000000001131258-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads