cf107727905481beba3df46e29439ad01623ad008bebbf665c1a5ccd6d9b6c06

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 12:39

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General

Target

a1e2834518d7dff40aff4f17c36d74f9.exe
Size

94KB
MD5

a1e2834518d7dff40aff4f17c36d74f9
SHA1

f805c9da836a9f779e56845592a9ccb6f75d3308
SHA256

cf107727905481beba3df46e29439ad01623ad008bebbf665c1a5ccd6d9b6c06
SHA512

20370b883ce115633ebab914e536ba90ea3d4f213e06cb2d94aa7a3ec903c91e4e1a9dc910e55c51280cf355de45ba0ebd4ce97f23efc7f1539b330128ba22bf
SSDEEP

1536:WMq5CUQrCovkU99w6UC8f3NbuRhdHxFymPHqV1rUM2fR08aU+Mj9:kCUGhv26d8/NinNxFymCV1rUM2p0xU+y

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-1-5-21-1392040655-2056082574-619088944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyArp.exe = "C:\\Windows\\system32\\MyArp.exe"	a1e2834518d7dff40aff4f17c36d74f9.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\MyArp.exe	a1e2834518d7dff40aff4f17c36d74f9.exe
File opened for modification	C:\Windows\SysWOW64\MyArp.exe	a1e2834518d7dff40aff4f17c36d74f9.exe
File created	C:\Windows\SysWOW64\Deleteme.bat	a1e2834518d7dff40aff4f17c36d74f9.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 5208	4924	a1e2834518d7dff40aff4f17c36d74f9.exe	88
PID 4924 wrote to memory of 5208	4924	a1e2834518d7dff40aff4f17c36d74f9.exe	88
PID 4924 wrote to memory of 3380	4924	a1e2834518d7dff40aff4f17c36d74f9.exe	89
PID 4924 wrote to memory of 3380	4924	a1e2834518d7dff40aff4f17c36d74f9.exe	89
PID 4924 wrote to memory of 3380	4924	a1e2834518d7dff40aff4f17c36d74f9.exe	89

C:\Users\Admin\AppData\Local\Temp\a1e2834518d7dff40aff4f17c36d74f9.exe
"C:\Users\Admin\AppData\Local\Temp\a1e2834518d7dff40aff4f17c36d74f9.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Program Files\Internet Explorer\iexplore.exe
  2⤵
  PID:5208
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Deleteme.bat
  2⤵
  PID:3380

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

C:\Windows\SysWOW64\Deleteme.bat

Filesize
184B

MD5
99952fe2a7921e1baa36bc1697a8e6c0

SHA1
5607dd1a10a771810c5e86fb73e9c26b61a0370e

SHA256
ea581861c3f9083a3d40c8174b8a46c45d1cfbd49cfaeb6e314bbeed6e0d63ac

SHA512
0127ffc14cf4f87ce3452234362f5f707222cc164cc0d6589c2c835a13a9dd14f08d0b7cbaceb13bd17c8b7f511a0c549da447f7c250bb5af0bdf6b623cf4145

Download Submit
memory/4924-3-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads