7b844252cda7d56d4f23f2e33d31907abf3f1605506153b0d40176553f6ed1de

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-01-2024 18:25

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General

Target

65b88489f79f8f3960141d3df37fbd4f.exe
Size

340KB
MD5

65b88489f79f8f3960141d3df37fbd4f
SHA1

9f19352f8c9d1993e19c3a473eb35b4fa5804657
SHA256

7b844252cda7d56d4f23f2e33d31907abf3f1605506153b0d40176553f6ed1de
SHA512

6e1f1a2abbfe84712bc952b37b806db334809c1a1b17f47bb2681e3e58402cc79f8889a8ce376ebda6247eb077aa2ecc091b56ea608e367d1919d93624ed909a
SSDEEP

6144:8h3VcYa95lebnspAs6xUtnlx4atDaOq5TOtsp0yN90PEk:0Rk5wIp4zatDaOGSXy90b

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2692	server.exe

Loads dropped DLL 3 IoCs

pid	Process
2780	65b88489f79f8f3960141d3df37fbd4f.exe
2780	65b88489f79f8f3960141d3df37fbd4f.exe
2692	server.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	65b88489f79f8f3960141d3df37fbd4f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2692	server.exe
2692	server.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2692	2780	65b88489f79f8f3960141d3df37fbd4f.exe	28
PID 2780 wrote to memory of 2692	2780	65b88489f79f8f3960141d3df37fbd4f.exe	28
PID 2780 wrote to memory of 2692	2780	65b88489f79f8f3960141d3df37fbd4f.exe	28
PID 2780 wrote to memory of 2692	2780	65b88489f79f8f3960141d3df37fbd4f.exe	28
PID 2780 wrote to memory of 2692	2780	65b88489f79f8f3960141d3df37fbd4f.exe	28
PID 2780 wrote to memory of 2692	2780	65b88489f79f8f3960141d3df37fbd4f.exe	28
PID 2780 wrote to memory of 2692	2780	65b88489f79f8f3960141d3df37fbd4f.exe	28
PID 2692 wrote to memory of 1384	2692	server.exe	18
PID 2692 wrote to memory of 1384	2692	server.exe	18
PID 2692 wrote to memory of 1384	2692	server.exe	18
PID 2692 wrote to memory of 1384	2692	server.exe	18
PID 2692 wrote to memory of 1384	2692	server.exe	18
PID 2692 wrote to memory of 1384	2692	server.exe	18

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1384
- C:\Users\Admin\AppData\Local\Temp\65b88489f79f8f3960141d3df37fbd4f.exe
  "C:\Users\Admin\AppData\Local\Temp\65b88489f79f8f3960141d3df37fbd4f.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2692

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe

Filesize
26KB

MD5
ae55a74b368a620deeafd702bc407e99

SHA1
d5c0047a945559b24148c4c1a462f601b21b07cd

SHA256
74919c9025ddbff00f5a3d6ae8ce9f3d5e8660472ae56614f3dcfcb5f0661d03

SHA512
145bda3066bed2f9418cbefa7acbfd4e04056cb5138f55f5cf9b6a6bd43c665cf4fc8fbdad0e64fbbae8e906d47d5d176678108b61994567e728a57f223d387a

Download Submit
memory/1384-25-0x000000007EFC0000-0x000000007EFC6000-memory.dmp

Filesize
24KB

Download
memory/1384-19-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

Filesize
4KB

Download
memory/2692-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-37-0x0000000000020000-0x0000000000028000-memory.dmp

Filesize
32KB

Download
memory/2692-38-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/2692-17-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/2780-3-0x0000000000240000-0x0000000000279000-memory.dmp

Filesize
228KB

Download
memory/2780-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2780-4-0x0000000001000000-0x0000000001055000-memory.dmp

Filesize
340KB

Download
memory/2780-0-0x0000000001000000-0x0000000001055000-memory.dmp

Filesize
340KB

Download
memory/2780-2-0x0000000000180000-0x0000000000184000-memory.dmp

Filesize
16KB

Download
memory/2780-1-0x0000000001000000-0x0000000001055000-memory.dmp

Filesize
340KB

Download
memory/2780-39-0x0000000001000000-0x0000000001055000-memory.dmp

Filesize
340KB

Download
memory/2780-40-0x0000000000240000-0x0000000000279000-memory.dmp

Filesize
228KB

Download