44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234

General

Target

44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
Size

53KB
MD5

9b4a7f66605dec7e82869ffc215105eb
SHA1

9cb3601386cb10ced226d91b6f43113f885d653a
SHA256

44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234
SHA512

89ca5a205df2424734774776eed035f681ed318abafc0ea0039b511f947849c58e9d94d084018d8e74a84618a61fc54252a32b868a9d9821e56955256cfd8c6e
SSDEEP

1536:vNyg8r8QLzRWQi7Kp3StjEMjmLM3ztDJWZsXy4JzxPMk:GRWjJJjmLM3zRJWZsXy4JN

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

bufeb.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	bufeb.exe

Executes dropped EXE 1 IoCs

Processes:

bufeb.exe

pid process

1132 bufeb.exe

Loads dropped DLL 2 IoCs

Processes:

44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe

pid	process
2060	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
2060	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bufeb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\bufeb = "C:\\Users\\Admin\\bufeb.exe"	bufeb.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

bufeb.exe

pid	process
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe
1132	bufeb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exebufeb.exe

pid process

2060 44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
1132 bufeb.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exebufeb.exe

description	pid	process	target process
PID 2060 wrote to memory of 1132	2060	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe	bufeb.exe
PID 2060 wrote to memory of 1132	2060	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe	bufeb.exe
PID 2060 wrote to memory of 1132	2060	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe	bufeb.exe
PID 2060 wrote to memory of 1132	2060	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe	bufeb.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
PID 1132 wrote to memory of 2060	1132	bufeb.exe	44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe

C:\Users\Admin\AppData\Local\Temp\44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe
"C:\Users\Admin\AppData\Local\Temp\44516cf857ffa6c0670d5a98f00c7b7a1ab8205cd18fd892926e07557c2a1234.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\bufeb.exe
  "C:\Users\Admin\bufeb.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\bufeb.exe

Filesize
53KB

MD5
cece249677a279500062778d34375f94

SHA1
fe7d01cde7ded9ec73c5d15a1776e7b679768d47

SHA256
73f6db1d9543c507010869db2f04f7e4e454dce5da9d66ea0115276c17ff8ffd

SHA512
5cd54fb47c28aed572831eb255757cb1e941c9e7103639bee3cd553a3005cb5ec811a41666d67e8a4e9932c31e2c8ee71cd8c6e9e6aea2a4ffae4241c6717540

Download Submit
memory/1132-16-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2060-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2060-8-0x0000000003970000-0x0000000003982000-memory.dmp

Filesize
72KB

Download
memory/2060-15-0x0000000003970000-0x0000000003982000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads