9dc735c9de05c2dc290d5f67db9bc0c2b602ac8bae29047587630140f9b9465f

Analysis

max time kernel
153s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 14:32

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General

Target

75d6f312e8433bfdd892442eb34ea062.exe
Size

24KB
MD5

75d6f312e8433bfdd892442eb34ea062
SHA1

502e18cd548b105b9cc04c5da8bc0a3298e430b5
SHA256

9dc735c9de05c2dc290d5f67db9bc0c2b602ac8bae29047587630140f9b9465f
SHA512

a9af038f7733631dd9ed50761637050901c5c8051cccd47d6369aaa17c715f9f561bb0e9eb1fed99c2b178ac72844696c65e3d6e288e9ee0a843d527c1571bd2
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5p0:bGS+ZfbJiO8qYoAW

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"	75d6f312e8433bfdd892442eb34ea062.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	75d6f312e8433bfdd892442eb34ea062.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
4804	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
4292	ipconfig.exe
2280	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4804	tasklist.exe
Token: SeDebugPrivilege	2280	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2252	75d6f312e8433bfdd892442eb34ea062.exe
2252	75d6f312e8433bfdd892442eb34ea062.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 3944	2252	75d6f312e8433bfdd892442eb34ea062.exe	89
PID 2252 wrote to memory of 3944	2252	75d6f312e8433bfdd892442eb34ea062.exe	89
PID 2252 wrote to memory of 3944	2252	75d6f312e8433bfdd892442eb34ea062.exe	89
PID 3944 wrote to memory of 4496	3944	cmd.exe	90
PID 3944 wrote to memory of 4496	3944	cmd.exe	90
PID 3944 wrote to memory of 4496	3944	cmd.exe	90
PID 3944 wrote to memory of 4292	3944	cmd.exe	91
PID 3944 wrote to memory of 4292	3944	cmd.exe	91
PID 3944 wrote to memory of 4292	3944	cmd.exe	91
PID 3944 wrote to memory of 4804	3944	cmd.exe	92
PID 3944 wrote to memory of 4804	3944	cmd.exe	92
PID 3944 wrote to memory of 4804	3944	cmd.exe	92
PID 3944 wrote to memory of 4308	3944	cmd.exe	97
PID 3944 wrote to memory of 4308	3944	cmd.exe	97
PID 3944 wrote to memory of 4308	3944	cmd.exe	97
PID 4308 wrote to memory of 3676	4308	net.exe	98
PID 4308 wrote to memory of 3676	4308	net.exe	98
PID 4308 wrote to memory of 3676	4308	net.exe	98
PID 3944 wrote to memory of 2280	3944	cmd.exe	99
PID 3944 wrote to memory of 2280	3944	cmd.exe	99
PID 3944 wrote to memory of 2280	3944	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\75d6f312e8433bfdd892442eb34ea062.exe
"C:\Users\Admin\AppData\Local\Temp\75d6f312e8433bfdd892442eb34ea062.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252
- 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:3944
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:4496
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:4292
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4804
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4308
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:3676
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2280

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
d08c664366d1f8b8b15c719e34132cba

SHA1
d11447191a25d5fdc769df5aa332f06a2f6b71ff

SHA256
4b95a55b70f95992f38e0004fdfa31cb2193ee8a5e8189e1aadf0bfbe40d6fc2

SHA512
b76c2b4a3fe07ccdcf5ce23a5e9ae59de1db71a6bd78a5e2d2a18535250d5f08430a8ef56edb0affe2820451c060fadbf136a06505eebe908d54bb6e3ea98742

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads