ee2bcc2b314515bfb09b2d3ad22657a86e27f7e60c74ca8b62b02e1903e467ad

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 18:50

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General

Target

781de665f493b0fb5cb294e5ba2b23df.exe
Size

3.8MB
MD5

781de665f493b0fb5cb294e5ba2b23df
SHA1

15644428974e74dd13882e94a1db45b5cac1e2b3
SHA256

ee2bcc2b314515bfb09b2d3ad22657a86e27f7e60c74ca8b62b02e1903e467ad
SHA512

f8d544e4a69e9dec6f92606e811e299437ce33aa36732f0b28fcc681df717ea9d1be2192eeb65fbf73badf922d4604e388b45624de5990792c1c67e820fcfa52
SSDEEP

98304:eFYB4etBf0HDoag0y8hPOm+j5uesnwN0UwgFo0fTrfiQl:eFkYWqO/3sw1wgFhiQ

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Internet_Explorer.exe = "C:\\Windows\\System32\\Internet_Explorer.exe"	781de665f493b0fb5cb294e5ba2b23df.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Internet_Explorer.exe	781de665f493b0fb5cb294e5ba2b23df.exe
File opened for modification	C:\Windows\SysWOW64\Internet_Explorer.exe	781de665f493b0fb5cb294e5ba2b23df.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\windows\01851.tmp	781de665f493b0fb5cb294e5ba2b23df.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1448	schtasks.exe
5372	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5952	781de665f493b0fb5cb294e5ba2b23df.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5952 wrote to memory of 1448	5952	781de665f493b0fb5cb294e5ba2b23df.exe	85
PID 5952 wrote to memory of 1448	5952	781de665f493b0fb5cb294e5ba2b23df.exe	85
PID 5952 wrote to memory of 1448	5952	781de665f493b0fb5cb294e5ba2b23df.exe	85
PID 5952 wrote to memory of 5372	5952	781de665f493b0fb5cb294e5ba2b23df.exe	96
PID 5952 wrote to memory of 5372	5952	781de665f493b0fb5cb294e5ba2b23df.exe	96
PID 5952 wrote to memory of 5372	5952	781de665f493b0fb5cb294e5ba2b23df.exe	96

C:\Users\Admin\AppData\Local\Temp\781de665f493b0fb5cb294e5ba2b23df.exe
"C:\Users\Admin\AppData\Local\Temp\781de665f493b0fb5cb294e5ba2b23df.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:5952
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\WINDOWS/autoexec.bat /sc onstart /ru system
  2⤵
  - Creates scheduled task(s)
  PID:1448
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\WINDOWS/autoexec.bat /sc onstart /ru system
  2⤵
  - Creates scheduled task(s)
  PID:5372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/5952-0-0x0000000003250000-0x0000000003251000-memory.dmp

Filesize
4KB

Download
memory/5952-7-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download
memory/5952-8-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download
memory/5952-9-0x0000000003250000-0x0000000003251000-memory.dmp

Filesize
4KB

Download
memory/5952-10-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download
memory/5952-11-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download
memory/5952-12-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download
memory/5952-13-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download
memory/5952-15-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download
memory/5952-18-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download
memory/5952-19-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download
memory/5952-20-0x0000000000400000-0x0000000001382000-memory.dmp

Filesize
15.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads