9954b1e0b7f79ab3d65e5d8c3f9d48f65df680491d9d0d31f8e9762d9b2b6c42

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 18:05

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General

Target

000190eb857dbb78bdf4ec270109fe39.exe
Size

24KB
MD5

000190eb857dbb78bdf4ec270109fe39
SHA1

957cdc05375fc3cf2892b68ecec46a3673d88849
SHA256

9954b1e0b7f79ab3d65e5d8c3f9d48f65df680491d9d0d31f8e9762d9b2b6c42
SHA512

887e0faa8ce67653a0335a7802a37e445581f18c6e9d20dd598f92beb4579b8d56981b55d9ea0beb20554250ca16cba859299dc68d3486f58565ac695ae653de
SSDEEP

384:E3eVES+/xwGkRKJRmlM61qmTTMVF9/q5h0:bGS+ZfbJ8O8qYoA+

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"	000190eb857dbb78bdf4ec270109fe39.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	000190eb857dbb78bdf4ec270109fe39.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2396	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
2912	ipconfig.exe
2972	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	tasklist.exe
Token: SeDebugPrivilege	2972	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2248	000190eb857dbb78bdf4ec270109fe39.exe
2248	000190eb857dbb78bdf4ec270109fe39.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2328	2248	000190eb857dbb78bdf4ec270109fe39.exe	28
PID 2248 wrote to memory of 2328	2248	000190eb857dbb78bdf4ec270109fe39.exe	28
PID 2248 wrote to memory of 2328	2248	000190eb857dbb78bdf4ec270109fe39.exe	28
PID 2248 wrote to memory of 2328	2248	000190eb857dbb78bdf4ec270109fe39.exe	28
PID 2328 wrote to memory of 2536	2328	cmd.exe	29
PID 2328 wrote to memory of 2536	2328	cmd.exe	29
PID 2328 wrote to memory of 2536	2328	cmd.exe	29
PID 2328 wrote to memory of 2536	2328	cmd.exe	29
PID 2328 wrote to memory of 2912	2328	cmd.exe	31
PID 2328 wrote to memory of 2912	2328	cmd.exe	31
PID 2328 wrote to memory of 2912	2328	cmd.exe	31
PID 2328 wrote to memory of 2912	2328	cmd.exe	31
PID 2328 wrote to memory of 2396	2328	cmd.exe	32
PID 2328 wrote to memory of 2396	2328	cmd.exe	32
PID 2328 wrote to memory of 2396	2328	cmd.exe	32
PID 2328 wrote to memory of 2396	2328	cmd.exe	32
PID 2328 wrote to memory of 2772	2328	cmd.exe	34
PID 2328 wrote to memory of 2772	2328	cmd.exe	34
PID 2328 wrote to memory of 2772	2328	cmd.exe	34
PID 2328 wrote to memory of 2772	2328	cmd.exe	34
PID 2772 wrote to memory of 2760	2772	net.exe	35
PID 2772 wrote to memory of 2760	2772	net.exe	35
PID 2772 wrote to memory of 2760	2772	net.exe	35
PID 2772 wrote to memory of 2760	2772	net.exe	35
PID 2328 wrote to memory of 2972	2328	cmd.exe	36
PID 2328 wrote to memory of 2972	2328	cmd.exe	36
PID 2328 wrote to memory of 2972	2328	cmd.exe	36
PID 2328 wrote to memory of 2972	2328	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\000190eb857dbb78bdf4ec270109fe39.exe
"C:\Users\Admin\AppData\Local\Temp\000190eb857dbb78bdf4ec270109fe39.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2248
- 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:2328
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2536
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2912
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2396
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2760
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2972

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
59e0106e5bb5fca0e5d712f1ae33ccaa

SHA1
199f74cc627961147e4a0605ee9c765b01b08db1

SHA256
6111497c30516c2b00eb0c5164fdae807c799985a565555e2cb12b7966b79e1a

SHA512
ea5b2f67eb9e9e2805c0d760a7b8d522224badb07a1348046902c0a3e076947291d3f0ea980e30499c0c9e3ad0bc76e015fd39e98881c61eaf1ac2aba00827e5

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads