9dc90ab7a0e7e36161859409f791397c3712ecba23b3ab05544c238b977b8961

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 19:12

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General

Target

015b7983582eff8d6af00bb116739ac5.exe
Size

24KB
MD5

015b7983582eff8d6af00bb116739ac5
SHA1

71a2650b666ced4547f0fdc2be0eb81759b7f044
SHA256

9dc90ab7a0e7e36161859409f791397c3712ecba23b3ab05544c238b977b8961
SHA512

443ca3b912ef4ec8b43f886f5ab364e40be8606a07eb88ce0a03c290b66829b57dce549f564ab4766cd42e8df1676f3abd6c132aacb99e31ef5a07492a69ecdb
SSDEEP

384:E3eVES+/xwGkRKJulM61qmTTMVF9/q510:bGS+ZfbJuO8qYoAa

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"	015b7983582eff8d6af00bb116739ac5.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	015b7983582eff8d6af00bb116739ac5.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
3620	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
3432	ipconfig.exe
4556	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3620	tasklist.exe
Token: SeDebugPrivilege	4556	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4500	015b7983582eff8d6af00bb116739ac5.exe
4500	015b7983582eff8d6af00bb116739ac5.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 4436	4500	015b7983582eff8d6af00bb116739ac5.exe	92
PID 4500 wrote to memory of 4436	4500	015b7983582eff8d6af00bb116739ac5.exe	92
PID 4500 wrote to memory of 4436	4500	015b7983582eff8d6af00bb116739ac5.exe	92
PID 4436 wrote to memory of 2160	4436	cmd.exe	94
PID 4436 wrote to memory of 2160	4436	cmd.exe	94
PID 4436 wrote to memory of 2160	4436	cmd.exe	94
PID 4436 wrote to memory of 3432	4436	cmd.exe	95
PID 4436 wrote to memory of 3432	4436	cmd.exe	95
PID 4436 wrote to memory of 3432	4436	cmd.exe	95
PID 4436 wrote to memory of 3620	4436	cmd.exe	96
PID 4436 wrote to memory of 3620	4436	cmd.exe	96
PID 4436 wrote to memory of 3620	4436	cmd.exe	96
PID 4436 wrote to memory of 212	4436	cmd.exe	98
PID 4436 wrote to memory of 212	4436	cmd.exe	98
PID 4436 wrote to memory of 212	4436	cmd.exe	98
PID 212 wrote to memory of 4580	212	net.exe	99
PID 212 wrote to memory of 4580	212	net.exe	99
PID 212 wrote to memory of 4580	212	net.exe	99
PID 4436 wrote to memory of 4556	4436	cmd.exe	100
PID 4436 wrote to memory of 4556	4436	cmd.exe	100
PID 4436 wrote to memory of 4556	4436	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\015b7983582eff8d6af00bb116739ac5.exe
"C:\Users\Admin\AppData\Local\Temp\015b7983582eff8d6af00bb116739ac5.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4500
- 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:4436
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2160
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3432
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:3620
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:212
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4580
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:4556

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
db5af6857398b6032f34d0f0bd96a6c1

SHA1
86b94430a4aa78e272593958626fc9802d3cb1c0

SHA256
104d95efabbe5c1ab3c76f4c5ecf5755b9139271a73b93f85ff66898fec1c157

SHA512
907c0e31bc35e813c20317eb6a7ef43aed67952e9d52cbdbc28c2d87346ee79ac09227878a642a6a97b2610c6825de3e8032dff2b27c56245c203caf9967bb3b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads