5625632235895958a9f4b521173f8f1ff4cead303a8ec4a059d6f548b5259914

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 03:39

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General

Target
4a57245a7f161124c7061966179c3ed5.exe
Size 24KB
Sample240108-d7y7fsaeaj
SHA256 5625632235895958a9f4b521173f8f1ff4cead303a8ec4a059d6f548b5259914
MD5 4a57245a7f161124c7061966179c3ed5
SHA1 0e221206703a54880e5d43181f90f0a3b2c6cbc7
SHA512 3716eb7bcf6989fd9b538aef355a453a3fd3a5ec1d40f10bd1145871fb510079c7c5453b070266e0d28ce64d265caa324879f6f6f55acf3c7482c85a0ab5f203
SSDEEP 384:E3eVES+/xwGkRKJDlM61qmTTMVF9/q5M0:bGS+ZfbJDO8qYoAd
MD5 SHA1 SHA512 SSDEEP

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"	4a57245a7f161124c7061966179c3ed5.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	4a57245a7f161124c7061966179c3ed5.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2440	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
912	ipconfig.exe
2040	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	tasklist.exe
Token: SeDebugPrivilege	2040	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1664	4a57245a7f161124c7061966179c3ed5.exe
1664	4a57245a7f161124c7061966179c3ed5.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 3776	1664	4a57245a7f161124c7061966179c3ed5.exe	19
PID 1664 wrote to memory of 3776	1664	4a57245a7f161124c7061966179c3ed5.exe	19
PID 1664 wrote to memory of 3776	1664	4a57245a7f161124c7061966179c3ed5.exe	19
PID 3776 wrote to memory of 3728	3776	cmd.exe	23
PID 3776 wrote to memory of 3728	3776	cmd.exe	23
PID 3776 wrote to memory of 3728	3776	cmd.exe	23
PID 3776 wrote to memory of 912	3776	cmd.exe	20
PID 3776 wrote to memory of 912	3776	cmd.exe	20
PID 3776 wrote to memory of 912	3776	cmd.exe	20
PID 3776 wrote to memory of 2440	3776	cmd.exe	21
PID 3776 wrote to memory of 2440	3776	cmd.exe	21
PID 3776 wrote to memory of 2440	3776	cmd.exe	21
PID 3776 wrote to memory of 1080	3776	cmd.exe	25
PID 3776 wrote to memory of 1080	3776	cmd.exe	25
PID 3776 wrote to memory of 1080	3776	cmd.exe	25
PID 1080 wrote to memory of 4520	1080	net.exe	26
PID 1080 wrote to memory of 4520	1080	net.exe	26
PID 1080 wrote to memory of 4520	1080	net.exe	26
PID 3776 wrote to memory of 2040	3776	cmd.exe	28
PID 3776 wrote to memory of 2040	3776	cmd.exe	28
PID 3776 wrote to memory of 2040	3776	cmd.exe	28

C:\Users\Admin\AppData\Local\Temp\4a57245a7f161124c7061966179c3ed5.exe
"C:\Users\Admin\AppData\Local\Temp\4a57245a7f161124c7061966179c3ed5.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1664
- 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:3776
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:912
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2440
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:3728
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1080
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4520
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2040

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

flash.log

Path \??\c:\windows\temp\flash.log
Size 14KB
SHA256 61b650af3b7bf253fb449e5babf47932b72ca809a8eb7dd46b32ce189ae68bf0
MD5 b843c4c371934c0ceb2da6f6e31c04e7
SHA1 e8fa3028492900661706d750f825a68f312a433c
SHA512 0c26e349e92750a62451986dbd1b81a7ea745fa78c849034aaf63e8916d40854ed1a036925af2db3b677c48975c071345cc9a5fc44ed9de2f9079d748026c1ff
SSDEEP 384:cmVbn3rZhDQG4WWix2ATA/F/w0Vy15uHByrAOOHVElbcJ7K1FOyZxGLAfUdq7IC5:XFrHD34WWix2ATA/F/w0Vy15uHByrAOv
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads