39dc95ac9349b9045b0ece72b32d2fabcc4d7d674dd0684e339e7c16d9885e47

Analysis

max time kernel
134s
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
30/12/2023, 01:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

099f93cb8df46a1c704401763a55d4a9.exe
Size

24KB
MD5

099f93cb8df46a1c704401763a55d4a9
SHA1

90b9865eb3da4188ff8531095284ba6bc2a89a88
SHA256

39dc95ac9349b9045b0ece72b32d2fabcc4d7d674dd0684e339e7c16d9885e47
SHA512

2bebe321ec49ab7c7e7466c2b35ec8fe019075646c3ca359183dac08833cce3c648b9c4175bd37075f7a9bef174c50ce7ff40b568119316bd3c9c69ce0d66e37
SSDEEP

384:E3eVES+/xwGkRKJMa1lM61qmTTMVF9/q5w0:bGS+ZfbJL1O8qYoAJ

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"	099f93cb8df46a1c704401763a55d4a9.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	099f93cb8df46a1c704401763a55d4a9.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
4072	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
3812	NETSTAT.EXE
3008	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4072	tasklist.exe
Token: SeDebugPrivilege	3812	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4812	099f93cb8df46a1c704401763a55d4a9.exe
4812	099f93cb8df46a1c704401763a55d4a9.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 560	4812	099f93cb8df46a1c704401763a55d4a9.exe	89
PID 4812 wrote to memory of 560	4812	099f93cb8df46a1c704401763a55d4a9.exe	89
PID 4812 wrote to memory of 560	4812	099f93cb8df46a1c704401763a55d4a9.exe	89
PID 560 wrote to memory of 1012	560	cmd.exe	91
PID 560 wrote to memory of 1012	560	cmd.exe	91
PID 560 wrote to memory of 1012	560	cmd.exe	91
PID 560 wrote to memory of 3008	560	cmd.exe	92
PID 560 wrote to memory of 3008	560	cmd.exe	92
PID 560 wrote to memory of 3008	560	cmd.exe	92
PID 560 wrote to memory of 4072	560	cmd.exe	93
PID 560 wrote to memory of 4072	560	cmd.exe	93
PID 560 wrote to memory of 4072	560	cmd.exe	93
PID 560 wrote to memory of 3024	560	cmd.exe	96
PID 560 wrote to memory of 3024	560	cmd.exe	96
PID 560 wrote to memory of 3024	560	cmd.exe	96
PID 3024 wrote to memory of 2604	3024	net.exe	97
PID 3024 wrote to memory of 2604	3024	net.exe	97
PID 3024 wrote to memory of 2604	3024	net.exe	97
PID 560 wrote to memory of 3812	560	cmd.exe	98
PID 560 wrote to memory of 3812	560	cmd.exe	98
PID 560 wrote to memory of 3812	560	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\099f93cb8df46a1c704401763a55d4a9.exe
"C:\Users\Admin\AppData\Local\Temp\099f93cb8df46a1c704401763a55d4a9.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4812
- 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:560
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:1012
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3008
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4072
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3024
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2604
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:3812

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
9e13d62b4e3240085da54800dea2bfa8

SHA1
f115d226be439ecee5ed29c67e787e6d3f6d542e

SHA256
53483bb90b4359e698fd07d449cb0b7a8ad02e8186598a9c586cbf466a3ecb92

SHA512
3d1bb9b2809ce014498a66f589f6e64e4f43c398729cef3ce6c00df5f150335f970e6c20b9fa449afd716ec06fa03f8d6a77a4e8e712bc0a5036d8b2c0130b3e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads