c9fe6717de03d8cc379f5751c51b5f18efc2863e5a5e42959cba24c78d8ea830

Analysis

max time kernel
117s
max time network
142s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 10:45

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General

Target

16528fb50ac55149b4f4e19b5f8cda4a.exe
Size

24KB
MD5

16528fb50ac55149b4f4e19b5f8cda4a
SHA1

b27ce5064ff92cf52e91903e7f8844af47a67e83
SHA256

c9fe6717de03d8cc379f5751c51b5f18efc2863e5a5e42959cba24c78d8ea830
SHA512

6aae4ed7f7a0587b266c61be25e1fc629103634f9489e7d204e05fb88e728892711c55e5a0cbd7bd60fd89b19953787a3b2383327545b056c20ec302e303194d
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q500:bGS+ZfbJiO8qYoA1

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"	16528fb50ac55149b4f4e19b5f8cda4a.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	16528fb50ac55149b4f4e19b5f8cda4a.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2744	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
2796	ipconfig.exe
2728	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	tasklist.exe
Token: SeDebugPrivilege	2728	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2776	16528fb50ac55149b4f4e19b5f8cda4a.exe
2776	16528fb50ac55149b4f4e19b5f8cda4a.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2280	2776	16528fb50ac55149b4f4e19b5f8cda4a.exe	28
PID 2776 wrote to memory of 2280	2776	16528fb50ac55149b4f4e19b5f8cda4a.exe	28
PID 2776 wrote to memory of 2280	2776	16528fb50ac55149b4f4e19b5f8cda4a.exe	28
PID 2776 wrote to memory of 2280	2776	16528fb50ac55149b4f4e19b5f8cda4a.exe	28
PID 2280 wrote to memory of 2736	2280	cmd.exe	30
PID 2280 wrote to memory of 2736	2280	cmd.exe	30
PID 2280 wrote to memory of 2736	2280	cmd.exe	30
PID 2280 wrote to memory of 2736	2280	cmd.exe	30
PID 2280 wrote to memory of 2796	2280	cmd.exe	31
PID 2280 wrote to memory of 2796	2280	cmd.exe	31
PID 2280 wrote to memory of 2796	2280	cmd.exe	31
PID 2280 wrote to memory of 2796	2280	cmd.exe	31
PID 2280 wrote to memory of 2744	2280	cmd.exe	32
PID 2280 wrote to memory of 2744	2280	cmd.exe	32
PID 2280 wrote to memory of 2744	2280	cmd.exe	32
PID 2280 wrote to memory of 2744	2280	cmd.exe	32
PID 2280 wrote to memory of 2968	2280	cmd.exe	34
PID 2280 wrote to memory of 2968	2280	cmd.exe	34
PID 2280 wrote to memory of 2968	2280	cmd.exe	34
PID 2280 wrote to memory of 2968	2280	cmd.exe	34
PID 2968 wrote to memory of 2936	2968	net.exe	35
PID 2968 wrote to memory of 2936	2968	net.exe	35
PID 2968 wrote to memory of 2936	2968	net.exe	35
PID 2968 wrote to memory of 2936	2968	net.exe	35
PID 2280 wrote to memory of 2728	2280	cmd.exe	36
PID 2280 wrote to memory of 2728	2280	cmd.exe	36
PID 2280 wrote to memory of 2728	2280	cmd.exe	36
PID 2280 wrote to memory of 2728	2280	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\16528fb50ac55149b4f4e19b5f8cda4a.exe
"C:\Users\Admin\AppData\Local\Temp\16528fb50ac55149b4f4e19b5f8cda4a.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2776
- 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:2280
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2736
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2796
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2744
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2968
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2936
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2728

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
edca5eeae2c700f62430e6e18ebbd958

SHA1
d90e1379cc2efc033aa5b1c8daab32194302e4df

SHA256
47ed5bd473375e6f100fb03b4989094f6e73e4fedb598612f0056d098af3dbae

SHA512
5bbdb9817a4968187fa7c27f6a284052dce5f7b6424655dd48d7d0c73d3c835ef4d5d4b7c0da2538c868378caad6db1199d50fc21edd14182ce003985b2a7af0

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads