555154ac5847cff157f13cdcdc952d378c7c914e05d1cf5aff406e9c4aac8f5f

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 05:38

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General

Target

7235c4081521daefb3ba386399112b4f.exe
Size

24KB
MD5

7235c4081521daefb3ba386399112b4f
SHA1

e3b014742ef42ac55c664210296d9a404a9bfeb7
SHA256

555154ac5847cff157f13cdcdc952d378c7c914e05d1cf5aff406e9c4aac8f5f
SHA512

d1f0e454d081cbe3b0abbbdf78bf3e5f5430295bb2e7f138c2edab362c2dc43cc521a61dc0e935d36d6b9f1e8a6a8a8f8fce50f4c10d993478b7e8faa6e00d82
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5W0:bGS+ZfbJiO8qYoAf

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"	7235c4081521daefb3ba386399112b4f.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	7235c4081521daefb3ba386399112b4f.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2300	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
5100	ipconfig.exe
2912	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	tasklist.exe
Token: SeDebugPrivilege	2912	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3744	7235c4081521daefb3ba386399112b4f.exe
3744	7235c4081521daefb3ba386399112b4f.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 3108	3744	7235c4081521daefb3ba386399112b4f.exe	89
PID 3744 wrote to memory of 3108	3744	7235c4081521daefb3ba386399112b4f.exe	89
PID 3744 wrote to memory of 3108	3744	7235c4081521daefb3ba386399112b4f.exe	89
PID 3108 wrote to memory of 1480	3108	cmd.exe	91
PID 3108 wrote to memory of 1480	3108	cmd.exe	91
PID 3108 wrote to memory of 1480	3108	cmd.exe	91
PID 3108 wrote to memory of 5100	3108	cmd.exe	92
PID 3108 wrote to memory of 5100	3108	cmd.exe	92
PID 3108 wrote to memory of 5100	3108	cmd.exe	92
PID 3108 wrote to memory of 2300	3108	cmd.exe	94
PID 3108 wrote to memory of 2300	3108	cmd.exe	94
PID 3108 wrote to memory of 2300	3108	cmd.exe	94
PID 3108 wrote to memory of 4588	3108	cmd.exe	96
PID 3108 wrote to memory of 4588	3108	cmd.exe	96
PID 3108 wrote to memory of 4588	3108	cmd.exe	96
PID 4588 wrote to memory of 4596	4588	net.exe	97
PID 4588 wrote to memory of 4596	4588	net.exe	97
PID 4588 wrote to memory of 4596	4588	net.exe	97
PID 3108 wrote to memory of 2912	3108	cmd.exe	98
PID 3108 wrote to memory of 2912	3108	cmd.exe	98
PID 3108 wrote to memory of 2912	3108	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\7235c4081521daefb3ba386399112b4f.exe
"C:\Users\Admin\AppData\Local\Temp\7235c4081521daefb3ba386399112b4f.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3744
- 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:3108
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:1480
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:5100
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2300
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4588
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4596
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2912

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
7248bfb03d55f8884c8ef11171fc1211

SHA1
b60f029b8b6e94870152a53578d071546385ed11

SHA256
7f810262564213f17df72728e89cb68f052447cbbcba832cbadbd7d2cd345301

SHA512
4da2bab3e1d704da583d26121834ef4cb0c03042968fb03a3f4bc0c8a5ed2603ed5ce7443dcdb6782897d83cfa2f3a0dcffa23a6e563661a685e08be8b173816

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads