f9b89c3740fa50b2f14732d18360ef2e67ac9ae77191c7c28cd31c9b9a7ad037

Analysis

max time kernel
148s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 05:49

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General

Target

42e9984ed63e96b0be1b2b29b0468b58.exe
Size

24KB
MD5

42e9984ed63e96b0be1b2b29b0468b58
SHA1

e004c096953dd984b0232300370c49714fe3e574
SHA256

f9b89c3740fa50b2f14732d18360ef2e67ac9ae77191c7c28cd31c9b9a7ad037
SHA512

807f0ee117dbd3caa11f089e354e6fb4106c8acd46c1bf69ec83cafbb3205311ee285bcd4898c67f0a68ba5291461ae9302f742906bbc86bb65129b44253daa4
SSDEEP

384:E3eVES+/xwGkRKJ/lM61qmTTMVF9/q50z0:bGS+ZfbJ/O8qYoAH

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"	42e9984ed63e96b0be1b2b29b0468b58.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	42e9984ed63e96b0be1b2b29b0468b58.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2872	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
2352	NETSTAT.EXE
1708	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	tasklist.exe
Token: SeDebugPrivilege	2352	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4800	42e9984ed63e96b0be1b2b29b0468b58.exe
4800	42e9984ed63e96b0be1b2b29b0468b58.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 4512	4800	42e9984ed63e96b0be1b2b29b0468b58.exe	28
PID 4800 wrote to memory of 4512	4800	42e9984ed63e96b0be1b2b29b0468b58.exe	28
PID 4800 wrote to memory of 4512	4800	42e9984ed63e96b0be1b2b29b0468b58.exe	28
PID 4512 wrote to memory of 3636	4512	cmd.exe	18
PID 4512 wrote to memory of 3636	4512	cmd.exe	18
PID 4512 wrote to memory of 3636	4512	cmd.exe	18
PID 4512 wrote to memory of 1708	4512	cmd.exe	27
PID 4512 wrote to memory of 1708	4512	cmd.exe	27
PID 4512 wrote to memory of 1708	4512	cmd.exe	27
PID 4512 wrote to memory of 2872	4512	cmd.exe	19
PID 4512 wrote to memory of 2872	4512	cmd.exe	19
PID 4512 wrote to memory of 2872	4512	cmd.exe	19
PID 4512 wrote to memory of 1692	4512	cmd.exe	26
PID 4512 wrote to memory of 1692	4512	cmd.exe	26
PID 4512 wrote to memory of 1692	4512	cmd.exe	26
PID 1692 wrote to memory of 4780	1692	net.exe	25
PID 1692 wrote to memory of 4780	1692	net.exe	25
PID 1692 wrote to memory of 4780	1692	net.exe	25
PID 4512 wrote to memory of 2352	4512	cmd.exe	23
PID 4512 wrote to memory of 2352	4512	cmd.exe	23
PID 4512 wrote to memory of 2352	4512	cmd.exe	23

C:\Users\Admin\AppData\Local\Temp\42e9984ed63e96b0be1b2b29b0468b58.exe
"C:\Users\Admin\AppData\Local\Temp\42e9984ed63e96b0be1b2b29b0468b58.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800
- 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:4512

C:\Windows\SysWOW64\cmd.exe
cmd /c set
1⤵
PID:3636

C:\Windows\SysWOW64\tasklist.exe
tasklist
1⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2872

C:\Windows\SysWOW64\NETSTAT.EXE
netstat -an
1⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:2352

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start
1⤵
PID:4780

C:\Windows\SysWOW64\net.exe
net start
1⤵
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
1⤵
- Gathers network information
PID:1708

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
b5f91410315f0f291aa9aac1b340587c

SHA1
fcec7b4210be33867e792f820bbf57d4cbe824a5

SHA256
1ade0d077ff450dc2bd22ce689d59018d5acfe19fa0f4c76fdf1ffb87b208b5c

SHA512
1266c6db4313f6ef320a044ac20cc93992038a68057a756f850e926fca560e21977f93066815fb7102a463ef02d3bca3426a2a36d05593e986607488792f67fa

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads