50f5325842a73ae9302dde900f3b97570b4d3b7136095eac7c43e380a9852766

Analysis

max time kernel
94s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2024, 19:21

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General

Target

a9f66a19312e71949d49929a2ad7b614.exe
Size

24KB
MD5

a9f66a19312e71949d49929a2ad7b614
SHA1

9c79c040a64498b959568e1b1b1855de0f8216bc
SHA256

50f5325842a73ae9302dde900f3b97570b4d3b7136095eac7c43e380a9852766
SHA512

957acc626afcbb11370acd2992eb6481a1a00fcc53f30262deb27d501d9a87d2090cd416d62739daecf6e20c1f8a70617f95178ba08fa518c14f1ccade125179
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5A0:bGS+ZfbJiO8qYoA5

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"	a9f66a19312e71949d49929a2ad7b614.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	a9f66a19312e71949d49929a2ad7b614.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2172	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
3696	ipconfig.exe
888	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	tasklist.exe
Token: SeDebugPrivilege	888	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1792	a9f66a19312e71949d49929a2ad7b614.exe
1792	a9f66a19312e71949d49929a2ad7b614.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 1284	1792	a9f66a19312e71949d49929a2ad7b614.exe	87
PID 1792 wrote to memory of 1284	1792	a9f66a19312e71949d49929a2ad7b614.exe	87
PID 1792 wrote to memory of 1284	1792	a9f66a19312e71949d49929a2ad7b614.exe	87
PID 1284 wrote to memory of 3196	1284	cmd.exe	89
PID 1284 wrote to memory of 3196	1284	cmd.exe	89
PID 1284 wrote to memory of 3196	1284	cmd.exe	89
PID 1284 wrote to memory of 3696	1284	cmd.exe	90
PID 1284 wrote to memory of 3696	1284	cmd.exe	90
PID 1284 wrote to memory of 3696	1284	cmd.exe	90
PID 1284 wrote to memory of 2172	1284	cmd.exe	91
PID 1284 wrote to memory of 2172	1284	cmd.exe	91
PID 1284 wrote to memory of 2172	1284	cmd.exe	91
PID 1284 wrote to memory of 2524	1284	cmd.exe	95
PID 1284 wrote to memory of 2524	1284	cmd.exe	95
PID 1284 wrote to memory of 2524	1284	cmd.exe	95
PID 2524 wrote to memory of 2248	2524	net.exe	96
PID 2524 wrote to memory of 2248	2524	net.exe	96
PID 2524 wrote to memory of 2248	2524	net.exe	96
PID 1284 wrote to memory of 888	1284	cmd.exe	97
PID 1284 wrote to memory of 888	1284	cmd.exe	97
PID 1284 wrote to memory of 888	1284	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\a9f66a19312e71949d49929a2ad7b614.exe
"C:\Users\Admin\AppData\Local\Temp\a9f66a19312e71949d49929a2ad7b614.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1792
- 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:1284
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:3196
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3696
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2172
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2524
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2248
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:888

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
14KB

MD5
ac784a95bc93fa30acdd72f6129f9e42

SHA1
06710630a8a0cd3df8b244e881fb06cae279406c

SHA256
52fcd1dcc15b6e84fd21441e6e3212487b7319f711c7c787e4d1ca336f1da448

SHA512
822245d1fd8a18e0fdfb8106a3684e1bdffa2cfcca4bd682111ff225ba755cf87c38fd2e46bb71ffefe3ac4964daff82342a3b2831f3b34058f896d589135989

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads