5625632235895958a9f4b521173f8f1ff4cead303a8ec4a059d6f548b5259914

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
08/01/2024, 03:39

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General

Target

4a57245a7f161124c7061966179c3ed5.exe
Size

24KB
MD5

4a57245a7f161124c7061966179c3ed5
SHA1

0e221206703a54880e5d43181f90f0a3b2c6cbc7
SHA256

5625632235895958a9f4b521173f8f1ff4cead303a8ec4a059d6f548b5259914
SHA512

3716eb7bcf6989fd9b538aef355a453a3fd3a5ec1d40f10bd1145871fb510079c7c5453b070266e0d28ce64d265caa324879f6f6f55acf3c7482c85a0ab5f203
SSDEEP

384:E3eVES+/xwGkRKJDlM61qmTTMVF9/q5M0:bGS+ZfbJDO8qYoAd

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
2820	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
2992	ipconfig.exe
2688	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	tasklist.exe
Token: SeDebugPrivilege	2688	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	4a57245a7f161124c7061966179c3ed5.exe
2816	4a57245a7f161124c7061966179c3ed5.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2868	2816	4a57245a7f161124c7061966179c3ed5.exe	21
PID 2816 wrote to memory of 2868	2816	4a57245a7f161124c7061966179c3ed5.exe	21
PID 2816 wrote to memory of 2868	2816	4a57245a7f161124c7061966179c3ed5.exe	21
PID 2816 wrote to memory of 2868	2816	4a57245a7f161124c7061966179c3ed5.exe	21
PID 2868 wrote to memory of 2896	2868	cmd.exe	18
PID 2868 wrote to memory of 2896	2868	cmd.exe	18
PID 2868 wrote to memory of 2896	2868	cmd.exe	18
PID 2868 wrote to memory of 2896	2868	cmd.exe	18
PID 2868 wrote to memory of 2992	2868	cmd.exe	19
PID 2868 wrote to memory of 2992	2868	cmd.exe	19
PID 2868 wrote to memory of 2992	2868	cmd.exe	19
PID 2868 wrote to memory of 2992	2868	cmd.exe	19
PID 2868 wrote to memory of 2820	2868	cmd.exe	20
PID 2868 wrote to memory of 2820	2868	cmd.exe	20
PID 2868 wrote to memory of 2820	2868	cmd.exe	20
PID 2868 wrote to memory of 2820	2868	cmd.exe	20
PID 2868 wrote to memory of 2576	2868	cmd.exe	27
PID 2868 wrote to memory of 2576	2868	cmd.exe	27
PID 2868 wrote to memory of 2576	2868	cmd.exe	27
PID 2868 wrote to memory of 2576	2868	cmd.exe	27
PID 2576 wrote to memory of 2596	2576	net.exe	28
PID 2576 wrote to memory of 2596	2576	net.exe	28
PID 2576 wrote to memory of 2596	2576	net.exe	28
PID 2576 wrote to memory of 2596	2576	net.exe	28
PID 2868 wrote to memory of 2688	2868	cmd.exe	29
PID 2868 wrote to memory of 2688	2868	cmd.exe	29
PID 2868 wrote to memory of 2688	2868	cmd.exe	29
PID 2868 wrote to memory of 2688	2868	cmd.exe	29

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:2816
- 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:2868
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2576
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2596
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2688

C:\Windows\SysWOW64\cmd.exe
cmd /c set
1⤵
PID:2896

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
1⤵
- Gathers network information
PID:2992

C:\Windows\SysWOW64\tasklist.exe
tasklist
1⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2820

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
b9da97c14ec2fae0d6633bfd06dc4cca

SHA1
20b919f1977c25b82fca0f107c5ca02898f6e123

SHA256
216591c6a21628893dfadfa33b42fdf59d13a9a0b2e72fc60ff93087bbf3ad60

SHA512
d0f9fbc41419157ecb3a2d7dc4e8115c17f8f68208fdd059b38b74239037eb65d0c7e4296f87d256953473e232ed2562130774e0d4a8a98e13e5c7ff0b13421d

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads