2da26109255cea5679100a9f5c60887ebbb93bc00cf7bc6badcd543446a110ba

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 14:09

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General

Target

b797d122dee68012e41d4eef6d6fabc7.exe
Size

24KB
MD5

b797d122dee68012e41d4eef6d6fabc7
SHA1

13b45d122b41135a4e347a7c77d17a8bb6427c17
SHA256

2da26109255cea5679100a9f5c60887ebbb93bc00cf7bc6badcd543446a110ba
SHA512

c1a131e9eb5200c2e0516a401601b7c174feb0c2081acf11827ca42620ec651ef2d9eeed08a64b594251b44ef8f50dd1a3717ffa7c740b7a9c37fd19fcfd5674
SSDEEP

384:E3eVES+/xwGkRKJQ4DblM61qmTTMVF9/q5L0:bGS+ZfbJZbO8qYoAA

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"	b797d122dee68012e41d4eef6d6fabc7.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	b797d122dee68012e41d4eef6d6fabc7.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
4388	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
2020	NETSTAT.EXE
2040	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4388	tasklist.exe
Token: SeDebugPrivilege	2020	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4820	b797d122dee68012e41d4eef6d6fabc7.exe
4820	b797d122dee68012e41d4eef6d6fabc7.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 2396	4820	b797d122dee68012e41d4eef6d6fabc7.exe	88
PID 4820 wrote to memory of 2396	4820	b797d122dee68012e41d4eef6d6fabc7.exe	88
PID 4820 wrote to memory of 2396	4820	b797d122dee68012e41d4eef6d6fabc7.exe	88
PID 2396 wrote to memory of 4252	2396	cmd.exe	90
PID 2396 wrote to memory of 4252	2396	cmd.exe	90
PID 2396 wrote to memory of 4252	2396	cmd.exe	90
PID 2396 wrote to memory of 2040	2396	cmd.exe	91
PID 2396 wrote to memory of 2040	2396	cmd.exe	91
PID 2396 wrote to memory of 2040	2396	cmd.exe	91
PID 2396 wrote to memory of 4388	2396	cmd.exe	92
PID 2396 wrote to memory of 4388	2396	cmd.exe	92
PID 2396 wrote to memory of 4388	2396	cmd.exe	92
PID 2396 wrote to memory of 1788	2396	cmd.exe	95
PID 2396 wrote to memory of 1788	2396	cmd.exe	95
PID 2396 wrote to memory of 1788	2396	cmd.exe	95
PID 1788 wrote to memory of 2192	1788	net.exe	97
PID 1788 wrote to memory of 2192	1788	net.exe	97
PID 1788 wrote to memory of 2192	1788	net.exe	97
PID 2396 wrote to memory of 2020	2396	cmd.exe	98
PID 2396 wrote to memory of 2020	2396	cmd.exe	98
PID 2396 wrote to memory of 2020	2396	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\b797d122dee68012e41d4eef6d6fabc7.exe
"C:\Users\Admin\AppData\Local\Temp\b797d122dee68012e41d4eef6d6fabc7.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4820
- 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:2396
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:4252
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2040
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4388
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1788
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2192
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2020

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
1b622d59fdad3c7848fa9c941c8624c7

SHA1
a22cf8057eef859139b824c1202007b3beef35c7

SHA256
fa1ce2d31a42be55ef010e78222af4c4ecee95a2ad44da7be8506c4f1a5d5d97

SHA512
2a3b1e21236869223774019f9d8d3898cd671a363f5fec02f4b9b63fba39ab851773738d134389a8359655875715aa4a191707573ba837b93702d3f94ea81310

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads