504d30563ecf77ca2c7b576c6a33c9a21121aa8b5b04574a45363cf00f506172

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
10/01/2024, 23:57

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General

Target

51f9c35868c1e8b093d18de4feaa95a9.exe
Size

24KB
MD5

51f9c35868c1e8b093d18de4feaa95a9
SHA1

e38768d09f726f335363666abc9b87d9cba655f4
SHA256

504d30563ecf77ca2c7b576c6a33c9a21121aa8b5b04574a45363cf00f506172
SHA512

462b1735d8643d73ae9e1198f4a2feba67f117e83196a724c53649f73b19a0d76da75b5ffac76d569bc802aee13a1c2a282158c5f7255b963b474933a4313c51
SSDEEP

384:E3eVES+/xwGkRKJLlM61qmTTMVF9/q5p0:bGS+ZfbJLO8qYoAW

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"	51f9c35868c1e8b093d18de4feaa95a9.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	51f9c35868c1e8b093d18de4feaa95a9.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2800	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
2308	ipconfig.exe
2752	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	tasklist.exe
Token: SeDebugPrivilege	2752	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2296	51f9c35868c1e8b093d18de4feaa95a9.exe
2296	51f9c35868c1e8b093d18de4feaa95a9.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 3040	2296	51f9c35868c1e8b093d18de4feaa95a9.exe	28
PID 2296 wrote to memory of 3040	2296	51f9c35868c1e8b093d18de4feaa95a9.exe	28
PID 2296 wrote to memory of 3040	2296	51f9c35868c1e8b093d18de4feaa95a9.exe	28
PID 2296 wrote to memory of 3040	2296	51f9c35868c1e8b093d18de4feaa95a9.exe	28
PID 3040 wrote to memory of 2368	3040	cmd.exe	30
PID 3040 wrote to memory of 2368	3040	cmd.exe	30
PID 3040 wrote to memory of 2368	3040	cmd.exe	30
PID 3040 wrote to memory of 2368	3040	cmd.exe	30
PID 3040 wrote to memory of 2308	3040	cmd.exe	31
PID 3040 wrote to memory of 2308	3040	cmd.exe	31
PID 3040 wrote to memory of 2308	3040	cmd.exe	31
PID 3040 wrote to memory of 2308	3040	cmd.exe	31
PID 3040 wrote to memory of 2800	3040	cmd.exe	32
PID 3040 wrote to memory of 2800	3040	cmd.exe	32
PID 3040 wrote to memory of 2800	3040	cmd.exe	32
PID 3040 wrote to memory of 2800	3040	cmd.exe	32
PID 3040 wrote to memory of 2784	3040	cmd.exe	34
PID 3040 wrote to memory of 2784	3040	cmd.exe	34
PID 3040 wrote to memory of 2784	3040	cmd.exe	34
PID 3040 wrote to memory of 2784	3040	cmd.exe	34
PID 2784 wrote to memory of 3020	2784	net.exe	35
PID 2784 wrote to memory of 3020	2784	net.exe	35
PID 2784 wrote to memory of 3020	2784	net.exe	35
PID 2784 wrote to memory of 3020	2784	net.exe	35
PID 3040 wrote to memory of 2752	3040	cmd.exe	36
PID 3040 wrote to memory of 2752	3040	cmd.exe	36
PID 3040 wrote to memory of 2752	3040	cmd.exe	36
PID 3040 wrote to memory of 2752	3040	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\51f9c35868c1e8b093d18de4feaa95a9.exe
"C:\Users\Admin\AppData\Local\Temp\51f9c35868c1e8b093d18de4feaa95a9.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2296
- 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:3040
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2368
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2308
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2800
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:3020
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2752

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
b36ad8e84b65b7dc61ae60f2d8aa421a

SHA1
1ca3c7749f9e2187d53d3911131949a58c9b83e8

SHA256
9657b8878b7d2977719be2356a3a8641ebb65fb3b688802848e46f09067c350e

SHA512
759b3326fc0e35a559a4c2567ee654ff4949aff6ed1c3e153d522f85bce317251efbb204aab028b530bb8b96137f49437ce76c4546dc7854a30930136134a30d

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads