669e77781530ad717888b7cb38f6143504a124f9512ea570d5e33423d1f7e0dd

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 04:32

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General

Target

28440c7dd4f84da09ca5f23bdb1e0fb8.exe
Size

24KB
MD5

28440c7dd4f84da09ca5f23bdb1e0fb8
SHA1

ef86007072078aa5990461e5537750a7cf9c5515
SHA256

669e77781530ad717888b7cb38f6143504a124f9512ea570d5e33423d1f7e0dd
SHA512

b21d56f37728deea84dbf287f3544df05b84dcb81ef73777e43f740001c012a05cedb7675193955edd44d8cfeaf248316e22c4014254c87822eb704c98133736
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5a0:bGS+ZfbJiO8qYoAr

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"	28440c7dd4f84da09ca5f23bdb1e0fb8.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	28440c7dd4f84da09ca5f23bdb1e0fb8.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2924	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
2316	ipconfig.exe
2172	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	tasklist.exe
Token: SeDebugPrivilege	2172	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2088	28440c7dd4f84da09ca5f23bdb1e0fb8.exe
2088	28440c7dd4f84da09ca5f23bdb1e0fb8.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 3064	2088	28440c7dd4f84da09ca5f23bdb1e0fb8.exe	28
PID 2088 wrote to memory of 3064	2088	28440c7dd4f84da09ca5f23bdb1e0fb8.exe	28
PID 2088 wrote to memory of 3064	2088	28440c7dd4f84da09ca5f23bdb1e0fb8.exe	28
PID 2088 wrote to memory of 3064	2088	28440c7dd4f84da09ca5f23bdb1e0fb8.exe	28
PID 3064 wrote to memory of 2668	3064	cmd.exe	30
PID 3064 wrote to memory of 2668	3064	cmd.exe	30
PID 3064 wrote to memory of 2668	3064	cmd.exe	30
PID 3064 wrote to memory of 2668	3064	cmd.exe	30
PID 3064 wrote to memory of 2316	3064	cmd.exe	31
PID 3064 wrote to memory of 2316	3064	cmd.exe	31
PID 3064 wrote to memory of 2316	3064	cmd.exe	31
PID 3064 wrote to memory of 2316	3064	cmd.exe	31
PID 3064 wrote to memory of 2924	3064	cmd.exe	32
PID 3064 wrote to memory of 2924	3064	cmd.exe	32
PID 3064 wrote to memory of 2924	3064	cmd.exe	32
PID 3064 wrote to memory of 2924	3064	cmd.exe	32
PID 3064 wrote to memory of 2896	3064	cmd.exe	34
PID 3064 wrote to memory of 2896	3064	cmd.exe	34
PID 3064 wrote to memory of 2896	3064	cmd.exe	34
PID 3064 wrote to memory of 2896	3064	cmd.exe	34
PID 2896 wrote to memory of 2564	2896	net.exe	35
PID 2896 wrote to memory of 2564	2896	net.exe	35
PID 2896 wrote to memory of 2564	2896	net.exe	35
PID 2896 wrote to memory of 2564	2896	net.exe	35
PID 3064 wrote to memory of 2172	3064	cmd.exe	36
PID 3064 wrote to memory of 2172	3064	cmd.exe	36
PID 3064 wrote to memory of 2172	3064	cmd.exe	36
PID 3064 wrote to memory of 2172	3064	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\28440c7dd4f84da09ca5f23bdb1e0fb8.exe
"C:\Users\Admin\AppData\Local\Temp\28440c7dd4f84da09ca5f23bdb1e0fb8.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2088
- 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:3064
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2668
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2316
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2924
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2564
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2172

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
836347397236d35343a1dddfc685266a

SHA1
e1fd0ab78d2c28765b29d389b47d799eb7976b50

SHA256
06c2bf194bb65cc1912767f3375d57f3ce3e740e9de282f6ec1e20dd5c457800

SHA512
3cb9cddf90ece1145d6b88a99d4fc22378c27e9b9201cd145b306147872d8a96cecdede85a7bb45d7ddf291a8734c130cff33b76ed95d05e0dbcfd303d5f22b5

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads