a1615a4e1adbb2b09624675a61eb63963c2e7cad6a7f966e6258963b84bfe777

Analysis

max time kernel
158s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 01:30

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

ba2d373f0d9cfa146b965ede778b1dfd.exe
Size

476KB
MD5

ba2d373f0d9cfa146b965ede778b1dfd
SHA1

e1c29a2e9d218f1d20f5a92feb2d2571aee53b6e
SHA256

a1615a4e1adbb2b09624675a61eb63963c2e7cad6a7f966e6258963b84bfe777
SHA512

2a2c1e56df48d7eeb81a2ec44891608362eb593d9c9bec8ec8b2d8f0fbe386786d31c920231aff30dfc9a0f1064d14aec34e9c72e993875dd5a81ecf96179f23
SSDEEP

6144:Y9UyM13yNdqQhw5lmiNmg/4PlYvE+PkQlvxWrA0hP+gnipimHwDATK+cGYnn5/cP:RyM13y1hw5lTOYB0h89HwE+p5jEA

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1412	update.exe

Adds Run key to start application 2 TTPs 4 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\Run\mediaplayer.exe = "C:\\WINDOWS\\outs\\mediaplayer.exe"	ba2d373f0d9cfa146b965ede778b1dfd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\lsasss.exe = "C:\\WINDOWS\\isass\\lsasss.exe"	update.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\mediaplayer.exe = "C:\\WINDOWS\\outs\\mediaplayer.exe"	update.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\lsasss.exe = "C:\\WINDOWS\\isass\\lsasss.exe"	ba2d373f0d9cfa146b965ede778b1dfd.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\isass\update.exe	ba2d373f0d9cfa146b965ede778b1dfd.exe
File opened for modification	C:\WINDOWS\isass\update.exe	ba2d373f0d9cfa146b965ede778b1dfd.exe
File created	C:\WINDOWS\isass\down.txt	update.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4544	ba2d373f0d9cfa146b965ede778b1dfd.exe
4544	ba2d373f0d9cfa146b965ede778b1dfd.exe
1412	update.exe
1412	update.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 1412	4544	ba2d373f0d9cfa146b965ede778b1dfd.exe	90
PID 4544 wrote to memory of 1412	4544	ba2d373f0d9cfa146b965ede778b1dfd.exe	90
PID 4544 wrote to memory of 1412	4544	ba2d373f0d9cfa146b965ede778b1dfd.exe	90

C:\Users\Admin\AppData\Local\Temp\ba2d373f0d9cfa146b965ede778b1dfd.exe
"C:\Users\Admin\AppData\Local\Temp\ba2d373f0d9cfa146b965ede778b1dfd.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4544
- C:\WINDOWS\isass\update.exe
  C:\WINDOWS\isass\update.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:1412

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

Loading Replay Monitor...

Downloads

C:\Windows\isass\update.exe

Filesize
476KB

MD5
ba2d373f0d9cfa146b965ede778b1dfd

SHA1
e1c29a2e9d218f1d20f5a92feb2d2571aee53b6e

SHA256
a1615a4e1adbb2b09624675a61eb63963c2e7cad6a7f966e6258963b84bfe777

SHA512
2a2c1e56df48d7eeb81a2ec44891608362eb593d9c9bec8ec8b2d8f0fbe386786d31c920231aff30dfc9a0f1064d14aec34e9c72e993875dd5a81ecf96179f23

Download Submit
memory/1412-5-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/1412-11-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1412-20-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/1412-63-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/4544-0-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/4544-7-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads