be27fb5b852c98ea026648c0702538a8f500f071cf10129e831c34ffe76bd8fd

Analysis

max time kernel
139s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 12:51

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General

Target

8f8baa750ba0fd142ce86feb0d2f7423.exe
Size

24KB
MD5

8f8baa750ba0fd142ce86feb0d2f7423
SHA1

70caa942f5b3714c7fbdddc0d8ec9087e82b1a1c
SHA256

be27fb5b852c98ea026648c0702538a8f500f071cf10129e831c34ffe76bd8fd
SHA512

ea1e8c2eabe9fe254f17e3bcd1a08c6fd336c1da7ccbbcd6b5972e287bc31dad3bf66a972fabeb2f272d6097a1b919de7af5eee15e33519f14b42b42f5744ec2
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5g0:bGS+ZfbJiO8qYoAZ

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"	8f8baa750ba0fd142ce86feb0d2f7423.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	8f8baa750ba0fd142ce86feb0d2f7423.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2856	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
1428	ipconfig.exe
3944	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2856	tasklist.exe
Token: SeDebugPrivilege	3944	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4984	8f8baa750ba0fd142ce86feb0d2f7423.exe
4984	8f8baa750ba0fd142ce86feb0d2f7423.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 3468	4984	8f8baa750ba0fd142ce86feb0d2f7423.exe	27
PID 4984 wrote to memory of 3468	4984	8f8baa750ba0fd142ce86feb0d2f7423.exe	27
PID 4984 wrote to memory of 3468	4984	8f8baa750ba0fd142ce86feb0d2f7423.exe	27
PID 3468 wrote to memory of 4740	3468	cmd.exe	26
PID 3468 wrote to memory of 4740	3468	cmd.exe	26
PID 3468 wrote to memory of 4740	3468	cmd.exe	26
PID 3468 wrote to memory of 1428	3468	cmd.exe	17
PID 3468 wrote to memory of 1428	3468	cmd.exe	17
PID 3468 wrote to memory of 1428	3468	cmd.exe	17
PID 3468 wrote to memory of 2856	3468	cmd.exe	18
PID 3468 wrote to memory of 2856	3468	cmd.exe	18
PID 3468 wrote to memory of 2856	3468	cmd.exe	18
PID 3468 wrote to memory of 3364	3468	cmd.exe	21
PID 3468 wrote to memory of 3364	3468	cmd.exe	21
PID 3468 wrote to memory of 3364	3468	cmd.exe	21
PID 3364 wrote to memory of 672	3364	net.exe	23
PID 3364 wrote to memory of 672	3364	net.exe	23
PID 3364 wrote to memory of 672	3364	net.exe	23
PID 3468 wrote to memory of 3944	3468	cmd.exe	22
PID 3468 wrote to memory of 3944	3468	cmd.exe	22
PID 3468 wrote to memory of 3944	3468	cmd.exe	22

C:\Users\Admin\AppData\Local\Temp\8f8baa750ba0fd142ce86feb0d2f7423.exe
"C:\Users\Admin\AppData\Local\Temp\8f8baa750ba0fd142ce86feb0d2f7423.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4984
- 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:3468

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
1⤵
- Gathers network information
PID:1428

C:\Windows\SysWOW64\tasklist.exe
tasklist
1⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2856

C:\Windows\SysWOW64\net.exe
net start
1⤵
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Windows\SysWOW64\net1.exe
  C:\Windows\system32\net1 start
  2⤵
  PID:672

C:\Windows\SysWOW64\NETSTAT.EXE
netstat -an
1⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:3944

C:\Windows\SysWOW64\cmd.exe
cmd /c set
1⤵
PID:4740

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
f3bd489297606f87eb2cb84807e90bce

SHA1
ab45e72767bd341e948eba6c003c92bc096c108d

SHA256
c98a0142c9757403d08a06e834e037ebbd6f0c521e2e5442339ea5b2387e0d9f

SHA512
885436126965f729f1a765e6be759dbf2a35193cc5d7c6d88807e8e1f976401d2d67fd3423dda29cd4fb23b44c1ae29c0cec3fdb4abb8cfbc6630135f953b3e1

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads