5ced2552acf91311f403fc0732008c96e51d9ce1996451d1c9394e1b15df0945

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 19:09

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General

Target

8d1e1c668273a4ec7dad051755ecb8d2.exe
Size

24KB
MD5

8d1e1c668273a4ec7dad051755ecb8d2
SHA1

7c42541d8db2bd697dc37c6cb4acd8e505b58121
SHA256

5ced2552acf91311f403fc0732008c96e51d9ce1996451d1c9394e1b15df0945
SHA512

70893def2fbe6163bed1633e412f4484076cbe298642fd6c5f664f766e2bf45fb3339660b851978bf6d527f0d1dc2788c7c63b990b0b4f668b9579b9d2512b9a
SSDEEP

384:E3eVES+/xwGkRKJolM61qmTTMVF9/q540:bGS+ZfbJoO8qYoAB

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"	8d1e1c668273a4ec7dad051755ecb8d2.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	8d1e1c668273a4ec7dad051755ecb8d2.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
4556	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
4852	ipconfig.exe
64	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4556	tasklist.exe
Token: SeDebugPrivilege	64	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
788	8d1e1c668273a4ec7dad051755ecb8d2.exe
788	8d1e1c668273a4ec7dad051755ecb8d2.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 3504	788	8d1e1c668273a4ec7dad051755ecb8d2.exe	84
PID 788 wrote to memory of 3504	788	8d1e1c668273a4ec7dad051755ecb8d2.exe	84
PID 788 wrote to memory of 3504	788	8d1e1c668273a4ec7dad051755ecb8d2.exe	84
PID 3504 wrote to memory of 436	3504	cmd.exe	86
PID 3504 wrote to memory of 436	3504	cmd.exe	86
PID 3504 wrote to memory of 436	3504	cmd.exe	86
PID 3504 wrote to memory of 4852	3504	cmd.exe	87
PID 3504 wrote to memory of 4852	3504	cmd.exe	87
PID 3504 wrote to memory of 4852	3504	cmd.exe	87
PID 3504 wrote to memory of 4556	3504	cmd.exe	88
PID 3504 wrote to memory of 4556	3504	cmd.exe	88
PID 3504 wrote to memory of 4556	3504	cmd.exe	88
PID 3504 wrote to memory of 4732	3504	cmd.exe	90
PID 3504 wrote to memory of 4732	3504	cmd.exe	90
PID 3504 wrote to memory of 4732	3504	cmd.exe	90
PID 4732 wrote to memory of 4780	4732	net.exe	91
PID 4732 wrote to memory of 4780	4732	net.exe	91
PID 4732 wrote to memory of 4780	4732	net.exe	91
PID 3504 wrote to memory of 64	3504	cmd.exe	92
PID 3504 wrote to memory of 64	3504	cmd.exe	92
PID 3504 wrote to memory of 64	3504	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\8d1e1c668273a4ec7dad051755ecb8d2.exe
"C:\Users\Admin\AppData\Local\Temp\8d1e1c668273a4ec7dad051755ecb8d2.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788
- 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:3504
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:436
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:4852
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4556
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4732
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4780
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:64

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
13KB

MD5
73df53e098d862e9a4eda3459153faaf

SHA1
6be679688dda84d25cb09e7c3793eefd2930b307

SHA256
7c92625b483df6c09ea7acc48d557681b3e9681857fa586668561d8ee4f57531

SHA512
d2eb61045f6ac30e03a599db25a08e13b535c50ee3849c46a839ad6bf1a6c40378b8e1e1860fb414fe59d3c68605a90677bc8ceac33e2ee2eb0ba2d8d58c159d

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads