04f8a0521dc56a4651d0f32af23703be51c70b431a3fe072bbcbe0018376885a

Analysis

max time kernel
0s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 15:09

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General

Target

4bc2a1b3f8854d670fe76a4d6d98f93b.exe
Size

24KB
MD5

4bc2a1b3f8854d670fe76a4d6d98f93b
SHA1

d85d146437b18ac7165dbcb40190f8cf66af6287
SHA256

04f8a0521dc56a4651d0f32af23703be51c70b431a3fe072bbcbe0018376885a
SHA512

84a39fff5884b682da7a6c27ef065109c93307e43d018d7aee5d8c7eb28b019d1403df1c7fc438df1c0e6ffb072918026a4e2423297f4401859aabd43b0713cc
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5U0:bGS+ZfbJiO8qYoAV

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"	4bc2a1b3f8854d670fe76a4d6d98f93b.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	4bc2a1b3f8854d670fe76a4d6d98f93b.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
828	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
4956	NETSTAT.EXE
2336	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	828	tasklist.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5088	4bc2a1b3f8854d670fe76a4d6d98f93b.exe
5088	4bc2a1b3f8854d670fe76a4d6d98f93b.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 2364	5088	4bc2a1b3f8854d670fe76a4d6d98f93b.exe	27
PID 5088 wrote to memory of 2364	5088	4bc2a1b3f8854d670fe76a4d6d98f93b.exe	27
PID 5088 wrote to memory of 2364	5088	4bc2a1b3f8854d670fe76a4d6d98f93b.exe	27
PID 2364 wrote to memory of 2096	2364	cmd.exe	17
PID 2364 wrote to memory of 2096	2364	cmd.exe	17
PID 2364 wrote to memory of 2096	2364	cmd.exe	17
PID 2364 wrote to memory of 2336	2364	cmd.exe	26
PID 2364 wrote to memory of 2336	2364	cmd.exe	26
PID 2364 wrote to memory of 2336	2364	cmd.exe	26
PID 2364 wrote to memory of 828	2364	cmd.exe	18
PID 2364 wrote to memory of 828	2364	cmd.exe	18
PID 2364 wrote to memory of 828	2364	cmd.exe	18

C:\Users\Admin\AppData\Local\Temp\4bc2a1b3f8854d670fe76a4d6d98f93b.exe
"C:\Users\Admin\AppData\Local\Temp\4bc2a1b3f8854d670fe76a4d6d98f93b.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5088
- 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:2364

C:\Windows\SysWOW64\cmd.exe
cmd /c set
1⤵
PID:2096

C:\Windows\SysWOW64\tasklist.exe
tasklist
1⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:828

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start
1⤵
PID:4540

C:\Windows\SysWOW64\NETSTAT.EXE
netstat -an
1⤵
- Gathers network information
PID:4956

C:\Windows\SysWOW64\net.exe
net start
1⤵
PID:396

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
1⤵
- Gathers network information
PID:2336

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
15KB

MD5
e392818f690e24b9123291e2c934a26f

SHA1
4bae6b28cca7fc052697fd372fe1a66b39c1d7ca

SHA256
5372f8da9ffac221d584f8b4d59c0d02a401a1c52fe16fff830bfc4261573f19

SHA512
f3f9177f57efb010e8a90a2e4c67cd60439ec2f68d91f82c656e7a7a91415e60777f4168546cc5b904e3c576c63aedec15f637729c61aee83d62626f26c99209

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads