421864315f6525ef3d0e05235df8e41def06b3c68a8e9dd348b599d36ea6db4e

Analysis

max time kernel
117s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 08:07

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General

Target

432f3dd06ac2659df71f127751716913.exe
Size

24KB
MD5

432f3dd06ac2659df71f127751716913
SHA1

3eed9027a6b3151544f3cfd205d9fda0c222ea8d
SHA256

421864315f6525ef3d0e05235df8e41def06b3c68a8e9dd348b599d36ea6db4e
SHA512

9838daed3340b718b8db0235768af390e9eb2c53b6986dade1d12640ace6bbaddbeb529ab8fa3761ab7f32e6950ce9f43285ef6b632748e07ca2bf8b56401a7e
SSDEEP

384:E3eVES+/xwGkRKJrtwmI9lM61qmTTMVF9/q5B0:bGS+ZfbJrhI9O8qYoAe

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"	432f3dd06ac2659df71f127751716913.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	432f3dd06ac2659df71f127751716913.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2376	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
2976	NETSTAT.EXE
2800	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	tasklist.exe
Token: SeDebugPrivilege	2976	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1968	432f3dd06ac2659df71f127751716913.exe
1968	432f3dd06ac2659df71f127751716913.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2704	1968	432f3dd06ac2659df71f127751716913.exe	28
PID 1968 wrote to memory of 2704	1968	432f3dd06ac2659df71f127751716913.exe	28
PID 1968 wrote to memory of 2704	1968	432f3dd06ac2659df71f127751716913.exe	28
PID 1968 wrote to memory of 2704	1968	432f3dd06ac2659df71f127751716913.exe	28
PID 2704 wrote to memory of 2844	2704	cmd.exe	31
PID 2704 wrote to memory of 2844	2704	cmd.exe	31
PID 2704 wrote to memory of 2844	2704	cmd.exe	31
PID 2704 wrote to memory of 2844	2704	cmd.exe	31
PID 2704 wrote to memory of 2800	2704	cmd.exe	30
PID 2704 wrote to memory of 2800	2704	cmd.exe	30
PID 2704 wrote to memory of 2800	2704	cmd.exe	30
PID 2704 wrote to memory of 2800	2704	cmd.exe	30
PID 2704 wrote to memory of 2376	2704	cmd.exe	32
PID 2704 wrote to memory of 2376	2704	cmd.exe	32
PID 2704 wrote to memory of 2376	2704	cmd.exe	32
PID 2704 wrote to memory of 2376	2704	cmd.exe	32
PID 2704 wrote to memory of 2264	2704	cmd.exe	34
PID 2704 wrote to memory of 2264	2704	cmd.exe	34
PID 2704 wrote to memory of 2264	2704	cmd.exe	34
PID 2704 wrote to memory of 2264	2704	cmd.exe	34
PID 2264 wrote to memory of 2608	2264	net.exe	35
PID 2264 wrote to memory of 2608	2264	net.exe	35
PID 2264 wrote to memory of 2608	2264	net.exe	35
PID 2264 wrote to memory of 2608	2264	net.exe	35
PID 2704 wrote to memory of 2976	2704	cmd.exe	36
PID 2704 wrote to memory of 2976	2704	cmd.exe	36
PID 2704 wrote to memory of 2976	2704	cmd.exe	36
PID 2704 wrote to memory of 2976	2704	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\432f3dd06ac2659df71f127751716913.exe
"C:\Users\Admin\AppData\Local\Temp\432f3dd06ac2659df71f127751716913.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968
- 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:2704
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2800
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2844
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2376
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2264
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2608
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2976

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
8KB

MD5
19eac1990010bfed8473bf9366948ebc

SHA1
e1cddbd852937da397e0eef35382bf6895679dcf

SHA256
3cbdae3bd22327d1e6f48028751d50f34226043ad25ec51c60493ba059be859b

SHA512
ea771c30f045740516a8ac75681b0386e2821075216098f8ecdf1f7cd3b3097298fe89362ae703c90f2c8cdc2bf513c229406ad095da204d18440e472595f6ee

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads