5e492dc8f0982b86fcf045bb29c4f0cceda73a20cd442a3bee5df66a33ef2887

Analysis

max time kernel
142s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 22:36

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General

Target
40abd5e2210faf012ac57421f53696e9.exe
Size 24KB
Sample231225-2jd4dadaf6
SHA256 5e492dc8f0982b86fcf045bb29c4f0cceda73a20cd442a3bee5df66a33ef2887
MD5 40abd5e2210faf012ac57421f53696e9
SHA1 ac30e4b093e0f1a20e10b35c340e8bb22bc20284
SHA512 9b56273ef9514286fdc9c38afbaf175989c461594d2fb60564a2a2be9f0717f71f973227391a0de090015210c5f789359a704f9fd87c6e6b5c9dac7da07ee19c
SSDEEP 384:E3eVES+/xwGkRKJs9zclM61qmTTMVF9/q5i0:bGS+ZfbJs9AO8qYoAj
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"	40abd5e2210faf012ac57421f53696e9.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	40abd5e2210faf012ac57421f53696e9.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
3820	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
2608	ipconfig.exe
3976	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3820	tasklist.exe
Token: SeDebugPrivilege	3976	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1020	40abd5e2210faf012ac57421f53696e9.exe
1020	40abd5e2210faf012ac57421f53696e9.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 2912	1020	40abd5e2210faf012ac57421f53696e9.exe	31
PID 1020 wrote to memory of 2912	1020	40abd5e2210faf012ac57421f53696e9.exe	31
PID 1020 wrote to memory of 2912	1020	40abd5e2210faf012ac57421f53696e9.exe	31
PID 2912 wrote to memory of 4964	2912	cmd.exe	29
PID 2912 wrote to memory of 4964	2912	cmd.exe	29
PID 2912 wrote to memory of 4964	2912	cmd.exe	29
PID 2912 wrote to memory of 2608	2912	cmd.exe	32
PID 2912 wrote to memory of 2608	2912	cmd.exe	32
PID 2912 wrote to memory of 2608	2912	cmd.exe	32
PID 2912 wrote to memory of 3820	2912	cmd.exe	33
PID 2912 wrote to memory of 3820	2912	cmd.exe	33
PID 2912 wrote to memory of 3820	2912	cmd.exe	33
PID 2912 wrote to memory of 620	2912	cmd.exe	50
PID 2912 wrote to memory of 620	2912	cmd.exe	50
PID 2912 wrote to memory of 620	2912	cmd.exe	50
PID 620 wrote to memory of 2232	620	net.exe	46
PID 620 wrote to memory of 2232	620	net.exe	46
PID 620 wrote to memory of 2232	620	net.exe	46
PID 2912 wrote to memory of 3976	2912	cmd.exe	49
PID 2912 wrote to memory of 3976	2912	cmd.exe	49
PID 2912 wrote to memory of 3976	2912	cmd.exe	49

C:\Users\Admin\AppData\Local\Temp\40abd5e2210faf012ac57421f53696e9.exe
"C:\Users\Admin\AppData\Local\Temp\40abd5e2210faf012ac57421f53696e9.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1020
- 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:2912
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2608
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:3820
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:3976
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:620

C:\Windows\SysWOW64\cmd.exe
cmd /c set
1⤵
PID:4964

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start
1⤵
PID:2232

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 af2ff10280c066e600fd1c8c3baf1f5260bc29302d6da78bcd8f8176778ad9c7
MD5 7e869cca3ca70afca567308d13e4a516
SHA1 545e29a287b8a256292ee50389950687059f1154
SHA512 29535c2909d4e3e6ff7aac36783a3f4f6aed92492e715a280ad67404afd2adf340c1ad75d54ea2abcb859dab68b5e2aa465a2e8a30f237ab453faee8275babf5
SSDEEP 384:LmVAh/2797hi0kFkQwCXTpPGIM26ZpvA56Xv2wXZZ+gu/B1rS8/s7zTpzPRzP7mv:KG09Fi0kFkQwCXTpPGIM26ZpvA56Xv2P
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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