a2a422be980219e08e92329c4207ee60635035b02bc100b2d4699d352a531f36

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 14:31

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

39e9a9055cc1b3b21d0e20ab9ddbf5ca.exe
Size

24KB
MD5

39e9a9055cc1b3b21d0e20ab9ddbf5ca
SHA1

0c49ef491d82a747cd666f14bddd947bae46fd1a
SHA256

a2a422be980219e08e92329c4207ee60635035b02bc100b2d4699d352a531f36
SHA512

2038733b2181b14b34a3056dde05242f78f96759ebe2d02deaa092dc15a52638b1fd2f41dcfda34d4eb2b46caad69bf72bd24db4e5fc1f8c46c4b3c3e2d5f3b3
SSDEEP

384:E3eVES+/xwGkRKJo99lM61qmTTMVF9/q5H0:bGS+ZfbJY9O8qYoAU

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"	39e9a9055cc1b3b21d0e20ab9ddbf5ca.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	39e9a9055cc1b3b21d0e20ab9ddbf5ca.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2728	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
1932	NETSTAT.EXE
2984	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	tasklist.exe
Token: SeDebugPrivilege	1932	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2544	39e9a9055cc1b3b21d0e20ab9ddbf5ca.exe
2544	39e9a9055cc1b3b21d0e20ab9ddbf5ca.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 3212	2544	39e9a9055cc1b3b21d0e20ab9ddbf5ca.exe	88
PID 2544 wrote to memory of 3212	2544	39e9a9055cc1b3b21d0e20ab9ddbf5ca.exe	88
PID 2544 wrote to memory of 3212	2544	39e9a9055cc1b3b21d0e20ab9ddbf5ca.exe	88
PID 3212 wrote to memory of 2012	3212	cmd.exe	90
PID 3212 wrote to memory of 2012	3212	cmd.exe	90
PID 3212 wrote to memory of 2012	3212	cmd.exe	90
PID 3212 wrote to memory of 2984	3212	cmd.exe	91
PID 3212 wrote to memory of 2984	3212	cmd.exe	91
PID 3212 wrote to memory of 2984	3212	cmd.exe	91
PID 3212 wrote to memory of 2728	3212	cmd.exe	92
PID 3212 wrote to memory of 2728	3212	cmd.exe	92
PID 3212 wrote to memory of 2728	3212	cmd.exe	92
PID 3212 wrote to memory of 2868	3212	cmd.exe	95
PID 3212 wrote to memory of 2868	3212	cmd.exe	95
PID 3212 wrote to memory of 2868	3212	cmd.exe	95
PID 2868 wrote to memory of 3140	2868	net.exe	96
PID 2868 wrote to memory of 3140	2868	net.exe	96
PID 2868 wrote to memory of 3140	2868	net.exe	96
PID 3212 wrote to memory of 1932	3212	cmd.exe	97
PID 3212 wrote to memory of 1932	3212	cmd.exe	97
PID 3212 wrote to memory of 1932	3212	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\39e9a9055cc1b3b21d0e20ab9ddbf5ca.exe
"C:\Users\Admin\AppData\Local\Temp\39e9a9055cc1b3b21d0e20ab9ddbf5ca.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2544
- 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:3212
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2012
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2984
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2728
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2868
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:3140
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:1932

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

Replay Monitor

Loading Replay Monitor...

Downloads

\??\c:\windows\temp\flash.log

Filesize
15KB

MD5
b9134bfa8f883a33833d0402ba769786

SHA1
c954a95190141a4c4c43bb06e03d2204c9625e85

SHA256
c860d0e944eb442a7cc31abf224c9312ccd8e0eca720d99d861f0551bc4d9881

SHA512
268a159bac4a651eaedd1028450bbf10be967bdb1705ea2256c587c873e0904ae269f12539fe8b940f852ab0421210310dbeabb711ccb8d762584b20cff2eb99

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads