7a109773cdd338fcf7eb020944c9dda636a725d2a1dc9768b5a81fa40192638b

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 11:46

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General

Target

1774407b4a680a3422eefb201a5d48c7.exe
Size

3.8MB
MD5

1774407b4a680a3422eefb201a5d48c7
SHA1

fffee0efd8def6036a49a126281815942c039447
SHA256

7a109773cdd338fcf7eb020944c9dda636a725d2a1dc9768b5a81fa40192638b
SHA512

ea66a2a259c0fa941d3e9dc8e137a72020d7f9bc3f6aebd8ed783f5a32aeba2aab6c96324a81a3cef83818856694fdd580cfd20f1382e3bddc0d0927d81b22b6
SSDEEP

98304:KN3T5Vtl33Kbl4UfU1SQHyVP4W3Zkzqrq0b7FrJzBxqPGiQv4G:KNj5hKblVcKZfpQqeA7FrJlxmQv3

Score

8^/10

evasion persistence

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
2076	netsh.exe

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Uses Session Manager for persistence 2 TTPs 3 IoCs

Creates Session Manager registry key to run executable early in system boot.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe

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\Windows32 = "C:\\windows\\system\\win.exe"	1774407b4a680a3422eefb201a5d48c7.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\reg_0001.txt	1774407b4a680a3422eefb201a5d48c7.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\windows\system\win.exe	1774407b4a680a3422eefb201a5d48c7.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1692	sc.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1976	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1776	1774407b4a680a3422eefb201a5d48c7.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 1976	1776	1774407b4a680a3422eefb201a5d48c7.exe	28
PID 1776 wrote to memory of 1976	1776	1774407b4a680a3422eefb201a5d48c7.exe	28
PID 1776 wrote to memory of 1976	1776	1774407b4a680a3422eefb201a5d48c7.exe	28
PID 1776 wrote to memory of 1976	1776	1774407b4a680a3422eefb201a5d48c7.exe	28
PID 1776 wrote to memory of 1692	1776	1774407b4a680a3422eefb201a5d48c7.exe	27
PID 1776 wrote to memory of 1692	1776	1774407b4a680a3422eefb201a5d48c7.exe	27
PID 1776 wrote to memory of 1692	1776	1774407b4a680a3422eefb201a5d48c7.exe	27
PID 1776 wrote to memory of 1692	1776	1774407b4a680a3422eefb201a5d48c7.exe	27
PID 1776 wrote to memory of 3056	1776	1774407b4a680a3422eefb201a5d48c7.exe	25
PID 1776 wrote to memory of 3056	1776	1774407b4a680a3422eefb201a5d48c7.exe	25
PID 1776 wrote to memory of 3056	1776	1774407b4a680a3422eefb201a5d48c7.exe	25
PID 1776 wrote to memory of 3056	1776	1774407b4a680a3422eefb201a5d48c7.exe	25
PID 1776 wrote to memory of 2680	1776	1774407b4a680a3422eefb201a5d48c7.exe	22
PID 1776 wrote to memory of 2680	1776	1774407b4a680a3422eefb201a5d48c7.exe	22
PID 1776 wrote to memory of 2680	1776	1774407b4a680a3422eefb201a5d48c7.exe	22
PID 1776 wrote to memory of 2680	1776	1774407b4a680a3422eefb201a5d48c7.exe	22
PID 1776 wrote to memory of 2716	1776	1774407b4a680a3422eefb201a5d48c7.exe	21
PID 1776 wrote to memory of 2716	1776	1774407b4a680a3422eefb201a5d48c7.exe	21
PID 1776 wrote to memory of 2716	1776	1774407b4a680a3422eefb201a5d48c7.exe	21
PID 1776 wrote to memory of 2716	1776	1774407b4a680a3422eefb201a5d48c7.exe	21
PID 1776 wrote to memory of 2076	1776	1774407b4a680a3422eefb201a5d48c7.exe	19
PID 1776 wrote to memory of 2076	1776	1774407b4a680a3422eefb201a5d48c7.exe	19
PID 1776 wrote to memory of 2076	1776	1774407b4a680a3422eefb201a5d48c7.exe	19
PID 1776 wrote to memory of 2076	1776	1774407b4a680a3422eefb201a5d48c7.exe	19

C:\Users\Admin\AppData\Local\Temp\1774407b4a680a3422eefb201a5d48c7.exe
"C:\Users\Admin\AppData\Local\Temp\1774407b4a680a3422eefb201a5d48c7.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram C:\windows\system\win.exe RPCCC
  2⤵
  - Modifies Windows Firewall
  PID:2076
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:2716
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:2680
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:3056
- C:\Windows\SysWOW64\sc.exe
  sc delete GbpSv
  2⤵
  - Launches sc.exe
  PID:1692
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
  2⤵
  - Creates scheduled task(s)
  PID:1976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

memory/1776-1-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-8-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-9-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-10-0x0000000075410000-0x0000000075419000-memory.dmp

Filesize
36KB

Download
memory/1776-20-0x0000000074E30000-0x0000000074E37000-memory.dmp

Filesize
28KB

Download
memory/1776-19-0x00000000756C0000-0x00000000756C6000-memory.dmp

Filesize
24KB

Download
memory/1776-18-0x0000000074DB0000-0x0000000074DFF000-memory.dmp

Filesize
316KB

Download
memory/1776-17-0x00000000775B0000-0x00000000776A0000-memory.dmp

Filesize
960KB

Download
memory/1776-14-0x00000000775B0000-0x00000000776A0000-memory.dmp

Filesize
960KB

Download
memory/1776-13-0x0000000075530000-0x000000007553C000-memory.dmp

Filesize
48KB

Download
memory/1776-12-0x0000000077AF0000-0x0000000077AFA000-memory.dmp

Filesize
40KB

Download
memory/1776-11-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1776-7-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-6-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-5-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-4-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-3-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-2-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-0-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-21-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-22-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-23-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/1776-26-0x00000000775B0000-0x00000000776A0000-memory.dmp

Filesize
960KB

Download
memory/1776-25-0x0000000077AF0000-0x0000000077AFA000-memory.dmp

Filesize
40KB

Download
memory/1776-24-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1776-27-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-28-0x0000000074E30000-0x0000000074E37000-memory.dmp

Filesize
28KB

Download
memory/1776-29-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-30-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-31-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-32-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-33-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-34-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-35-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-36-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-37-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-38-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-39-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download
memory/1776-40-0x0000000000400000-0x0000000000CF4000-memory.dmp

Filesize
9.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads