b02b4138b2e202e5d58e3f22dcae3badf307553130b9c81fde4d77c9f860f03f

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-03-2024 15:17

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General

Target

d6711543f17f0c141b44f0dc77c23452.exe
Size

24KB
MD5

d6711543f17f0c141b44f0dc77c23452
SHA1

8757a91a35af7cc65159aed2dca76bac300bc057
SHA256

b02b4138b2e202e5d58e3f22dcae3badf307553130b9c81fde4d77c9f860f03f
SHA512

a55b729eff6912f10a7cb6b9b5de07594d259a05b15b8c1dd58b7077e55f72b5d5a884f25750a57592839345a15805cac25e93cb8cd67e7aa0ee245d30d912a9
SSDEEP

384:E3eVES+/xwGkRKJ1hlM61qmTTMVF9/q53zJ0:bGS+ZfbJnO8qYoAK

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"	d6711543f17f0c141b44f0dc77c23452.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	d6711543f17f0c141b44f0dc77c23452.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2520	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
2868	NETSTAT.EXE
2332	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	tasklist.exe
Token: SeDebugPrivilege	2868	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3016	d6711543f17f0c141b44f0dc77c23452.exe
3016	d6711543f17f0c141b44f0dc77c23452.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 1196	3016	d6711543f17f0c141b44f0dc77c23452.exe	28
PID 3016 wrote to memory of 1196	3016	d6711543f17f0c141b44f0dc77c23452.exe	28
PID 3016 wrote to memory of 1196	3016	d6711543f17f0c141b44f0dc77c23452.exe	28
PID 3016 wrote to memory of 1196	3016	d6711543f17f0c141b44f0dc77c23452.exe	28
PID 1196 wrote to memory of 1984	1196	cmd.exe	30
PID 1196 wrote to memory of 1984	1196	cmd.exe	30
PID 1196 wrote to memory of 1984	1196	cmd.exe	30
PID 1196 wrote to memory of 1984	1196	cmd.exe	30
PID 1196 wrote to memory of 2332	1196	cmd.exe	31
PID 1196 wrote to memory of 2332	1196	cmd.exe	31
PID 1196 wrote to memory of 2332	1196	cmd.exe	31
PID 1196 wrote to memory of 2332	1196	cmd.exe	31
PID 1196 wrote to memory of 2520	1196	cmd.exe	32
PID 1196 wrote to memory of 2520	1196	cmd.exe	32
PID 1196 wrote to memory of 2520	1196	cmd.exe	32
PID 1196 wrote to memory of 2520	1196	cmd.exe	32
PID 1196 wrote to memory of 2532	1196	cmd.exe	34
PID 1196 wrote to memory of 2532	1196	cmd.exe	34
PID 1196 wrote to memory of 2532	1196	cmd.exe	34
PID 1196 wrote to memory of 2532	1196	cmd.exe	34
PID 2532 wrote to memory of 2584	2532	net.exe	35
PID 2532 wrote to memory of 2584	2532	net.exe	35
PID 2532 wrote to memory of 2584	2532	net.exe	35
PID 2532 wrote to memory of 2584	2532	net.exe	35
PID 1196 wrote to memory of 2868	1196	cmd.exe	36
PID 1196 wrote to memory of 2868	1196	cmd.exe	36
PID 1196 wrote to memory of 2868	1196	cmd.exe	36
PID 1196 wrote to memory of 2868	1196	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\d6711543f17f0c141b44f0dc77c23452.exe
"C:\Users\Admin\AppData\Local\Temp\d6711543f17f0c141b44f0dc77c23452.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3016
- 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:1196
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:1984
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2332
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2520
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2532
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2584
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2868

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
5663eba921989cd209577af92df71b9f

SHA1
2dbf0ffc7f89a0755044e5998c015d4288b6df9e

SHA256
c50c83818a722e46eae2bd214d7463fa19ab88f7b9f019dcb46be2d907357555

SHA512
ebd271b83242e6d1c210adfb315c8880b5ed35cb6de5a96bc950d25594a3df75dc77a0c11c2387d76c22930e94cf62c9fb4f6f0db848f15e62ac844fbdb4160b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads