a3aeb5aaec19bd9197d6a1e509d000ccce59971b65d11dead4f7f687753a99fd

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 11:07

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General

Target

b48e765d7f061f96a521740d8d4220a4.exe
Size

24KB
MD5

b48e765d7f061f96a521740d8d4220a4
SHA1

88d48d7a6084208d55ee28791cff573af5bcc583
SHA256

a3aeb5aaec19bd9197d6a1e509d000ccce59971b65d11dead4f7f687753a99fd
SHA512

96e851944f4f95c65301ac2b6f18d83af36b8f5f9c8f80d7f76aa03b5b63ad12253b04d9288b0605ac6bc290c2258c0cd4a60421dd23bb2a4653136ba28f07d4
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5O0:bGS+ZfbJiO8qYoAn

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\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe"	b48e765d7f061f96a521740d8d4220a4.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe	b48e765d7f061f96a521740d8d4220a4.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
984	tasklist.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4316	ipconfig.exe
2788	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	984	tasklist.exe
Token: SeDebugPrivilege	2788	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1100	b48e765d7f061f96a521740d8d4220a4.exe
1100	b48e765d7f061f96a521740d8d4220a4.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 4484	1100	b48e765d7f061f96a521740d8d4220a4.exe	88
PID 1100 wrote to memory of 4484	1100	b48e765d7f061f96a521740d8d4220a4.exe	88
PID 1100 wrote to memory of 4484	1100	b48e765d7f061f96a521740d8d4220a4.exe	88
PID 4484 wrote to memory of 4020	4484	cmd.exe	90
PID 4484 wrote to memory of 4020	4484	cmd.exe	90
PID 4484 wrote to memory of 4020	4484	cmd.exe	90
PID 4484 wrote to memory of 4316	4484	cmd.exe	91
PID 4484 wrote to memory of 4316	4484	cmd.exe	91
PID 4484 wrote to memory of 4316	4484	cmd.exe	91
PID 4484 wrote to memory of 984	4484	cmd.exe	93
PID 4484 wrote to memory of 984	4484	cmd.exe	93
PID 4484 wrote to memory of 984	4484	cmd.exe	93
PID 4484 wrote to memory of 3644	4484	cmd.exe	97
PID 4484 wrote to memory of 3644	4484	cmd.exe	97
PID 4484 wrote to memory of 3644	4484	cmd.exe	97
PID 3644 wrote to memory of 4896	3644	net.exe	98
PID 3644 wrote to memory of 4896	3644	net.exe	98
PID 3644 wrote to memory of 4896	3644	net.exe	98
PID 4484 wrote to memory of 2788	4484	cmd.exe	99
PID 4484 wrote to memory of 2788	4484	cmd.exe	99
PID 4484 wrote to memory of 2788	4484	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\b48e765d7f061f96a521740d8d4220a4.exe
"C:\Users\Admin\AppData\Local\Temp\b48e765d7f061f96a521740d8d4220a4.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4484
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:4020
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:4316
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:984
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3644
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4896
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Process Discovery

T1057

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\windows\temp\flash.log

Filesize
14KB

MD5
35bdf63280240fd73743f08a5cf3d598

SHA1
d16789420b358dce463f17407ae1b38ddfa021af

SHA256
69b00aaee5629d9fcd9b62cef28d70a582592ad1c0869a0147084568abc94211

SHA512
f65a8fc64de8974fff577b1ea67eef6c37345414696bd869c8e281eea96c1b76727a4a44d97d074a540c61bc26d81a7bf1d2948c77d7c9e7cd13b58f5664020e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads