419388bc816bfec26d8c45b2fca1788ae6d883ded974eb8a89200a7ffad6fe5c

Analysis

max time kernel
141s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 03:42

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General

Target

73a44083556179e076af633a2757f64b.exe
Size

24KB
MD5

73a44083556179e076af633a2757f64b
SHA1

72dafd10ebee7ff1b1032eeb7f5e323fa5dce43b
SHA256

419388bc816bfec26d8c45b2fca1788ae6d883ded974eb8a89200a7ffad6fe5c
SHA512

ccdf1123bd2ab1b732e79ce4307bcd9bf8ceb84108b8348c6d2195e86c5260e469b380228eccef4b08bc1cbb15adfa734c2c7fcbb5478dc3c20c193219dc05b2
SSDEEP

384:E3eVES+/xwGkRKJTwLwlM61qmTTMVF9/q5M0:bGS+ZfbJTwLwO8qYoAd

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"	73a44083556179e076af633a2757f64b.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	73a44083556179e076af633a2757f64b.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
4652	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
492	ipconfig.exe
2640	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4652	tasklist.exe
Token: SeDebugPrivilege	2640	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3112	73a44083556179e076af633a2757f64b.exe
3112	73a44083556179e076af633a2757f64b.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 5020	3112	73a44083556179e076af633a2757f64b.exe	88
PID 3112 wrote to memory of 5020	3112	73a44083556179e076af633a2757f64b.exe	88
PID 3112 wrote to memory of 5020	3112	73a44083556179e076af633a2757f64b.exe	88
PID 5020 wrote to memory of 3504	5020	cmd.exe	90
PID 5020 wrote to memory of 3504	5020	cmd.exe	90
PID 5020 wrote to memory of 3504	5020	cmd.exe	90
PID 5020 wrote to memory of 492	5020	cmd.exe	91
PID 5020 wrote to memory of 492	5020	cmd.exe	91
PID 5020 wrote to memory of 492	5020	cmd.exe	91
PID 5020 wrote to memory of 4652	5020	cmd.exe	92
PID 5020 wrote to memory of 4652	5020	cmd.exe	92
PID 5020 wrote to memory of 4652	5020	cmd.exe	92
PID 5020 wrote to memory of 1916	5020	cmd.exe	95
PID 5020 wrote to memory of 1916	5020	cmd.exe	95
PID 5020 wrote to memory of 1916	5020	cmd.exe	95
PID 1916 wrote to memory of 4560	1916	net.exe	96
PID 1916 wrote to memory of 4560	1916	net.exe	96
PID 1916 wrote to memory of 4560	1916	net.exe	96
PID 5020 wrote to memory of 2640	5020	cmd.exe	97
PID 5020 wrote to memory of 2640	5020	cmd.exe	97
PID 5020 wrote to memory of 2640	5020	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\73a44083556179e076af633a2757f64b.exe
"C:\Users\Admin\AppData\Local\Temp\73a44083556179e076af633a2757f64b.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3112
- 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:5020
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:3504
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:492
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4652
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1916
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4560
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2640

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
e924ad1972e21ab2b33426233c733510

SHA1
ef904dd5097492566277b216a9d8ff3627033a70

SHA256
d329a5a7521d3903c84d7b399d9de7136f0e86545d586b8c7a56a44e23123e1c

SHA512
09cc26078618a8824b2814487e07d3fb6efae952999bd7945318095ba441fd3a67bab64b21d9cb176e10b72ab85ecfb1bc56a397155ea802408021f93a34eccc

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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