a1a3e83f0137f527f5b86504cfb0cf0a5097a73a7d1caea41fbf5974d673b02c

Analysis

max time kernel
145s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/01/2024, 14:03

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General

Target

3ebac8bd820cbbdc24e06cd9da4ea9d3.exe
Size

653KB
MD5

3ebac8bd820cbbdc24e06cd9da4ea9d3
SHA1

9705d579a411869b0a429b8fc9ef7c7cd4f14d1a
SHA256

a1a3e83f0137f527f5b86504cfb0cf0a5097a73a7d1caea41fbf5974d673b02c
SHA512

e38c374b9a65f1fd2047a5f258ef1c40183566c2ce3bad27a616321f1f0a3e4973a8e71bf98ee8ec72b0c33938284c0364360010e8837de6eb965a60aa5c6eeb
SSDEEP

3072:DFZ5qVGXvEQU+dXmEUy9rfe3kUdKSh7hKNjf7CwhqjEr8IcGN8yGBYPosqkxOqoN:JjqVG/pJZzfwsGX+LOODg

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
1028	tserv.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\Run\tserv = "C:\\Windows\\tserv.exe s"	tserv.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\tserv.exe	3ebac8bd820cbbdc24e06cd9da4ea9d3.exe
File opened for modification	C:\Windows\tserv.exe	3ebac8bd820cbbdc24e06cd9da4ea9d3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1028	3032	3ebac8bd820cbbdc24e06cd9da4ea9d3.exe	28
PID 3032 wrote to memory of 1028	3032	3ebac8bd820cbbdc24e06cd9da4ea9d3.exe	28
PID 3032 wrote to memory of 1028	3032	3ebac8bd820cbbdc24e06cd9da4ea9d3.exe	28
PID 3032 wrote to memory of 1028	3032	3ebac8bd820cbbdc24e06cd9da4ea9d3.exe	28

C:\Users\Admin\AppData\Local\Temp\3ebac8bd820cbbdc24e06cd9da4ea9d3.exe
"C:\Users\Admin\AppData\Local\Temp\3ebac8bd820cbbdc24e06cd9da4ea9d3.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\tserv.exe
  C:\Windows\tserv.exe s
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:1028

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\tserv.exe

Filesize
653KB

MD5
3ebac8bd820cbbdc24e06cd9da4ea9d3

SHA1
9705d579a411869b0a429b8fc9ef7c7cd4f14d1a

SHA256
a1a3e83f0137f527f5b86504cfb0cf0a5097a73a7d1caea41fbf5974d673b02c

SHA512
e38c374b9a65f1fd2047a5f258ef1c40183566c2ce3bad27a616321f1f0a3e4973a8e71bf98ee8ec72b0c33938284c0364360010e8837de6eb965a60aa5c6eeb

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads