f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ce

General

Target

f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
Size

33KB
MD5

bf32cec5dfaf81964dfc0b0f0b4b2c20
SHA1

338b25ffa4c2b2fc172aeb41e05105b8f3cf2e06
SHA256

f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ce
SHA512

9aff436852c333b6535fcd4b20c9be6f9d2319faf99ea00f5f3d5500ad9ba09351563e5ebb10ceac406e53e582f564a979bc7d80dddad74f238e4cb60ea115ad
SSDEEP

768:UEzNbLcQ9qQuVriDMuyuruTD0qB77777J77c77c77c7nOTBI/M+:l3h9qQA6hZunrB77777J77c77c77c7OW

Score

10^/10

discovery evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe \"C:\\Users\\Admin\\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}.\\ò×óôâþûþþ.exe\""	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe \"C:\\Users\\Admin\\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}.\\ò×óôâþûþþ.exe\""	íÒîïÝùöùù„•.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe \"C:\\Users\\Admin\\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}.\\ò×óôâþûþþ.exe\""	ò×óôâþûþþ.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Active Setup\Installed Components\{AF37CDE8-15E6-DA6E-20DA-CDE820DA15E6}	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{AF37CDE8-15E6-DA6E-20DA-CDE820DA15E6}\Direktori = "d[}v”†“”}b…ŽŠ\u008f}…Š”ŒOœSQeQUgfQNTbfbNRQWZNbSeYNQYQQScTQTQZež"	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{AF37CDE8-15E6-DA6E-20DA-CDE820DA15E6}\last-check = "ò×óôâþûþþ.exe"	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{AF37CDE8-15E6-DA6E-20DA-CDE820DA15E6}\last-check7 = "íÒîïÝùöùù\u0090„•\u0090.exe"	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe

Disables RegEdit via registry modification 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	íÒîïÝùöùù„•.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ò×óôâþûþþ.exe

Disables Task Manager via registry modification
evasion

Executes dropped EXE 2 IoCs

pid	Process
1296	íÒîïÝùöùù„•.exe
4392	ò×óôâþûþþ.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "Microscope World Document"	ò×óôâþûþþ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "Microscope World Document"	íÒîïÝùöùù„•.exe

Adds Run key to start application 2 TTPs 3 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\íÒîïÝùöùù„•.exe = "C:\\Users\\Admin\\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}.\\íÒîïÝùöùù\u0090„•\u0090.exe"	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\íÒîïÝùöùù„•.exe = "C:\\Users\\Admin\\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}.\\íÒîïÝùöùù\u0090„•\u0090.exe"	íÒîïÝùöùù„•.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\íÒîïÝùöùù„•.exe = "C:\\Users\\Admin\\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}.\\íÒîïÝùöùù\u0090„•\u0090.exe"	ò×óôâþûþþ.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Admin's Setting.scr	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\SysWOW64\RakyatKelaparan.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\SysWOW64\3D Animation.scr	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\SysWOW64\IDTemplate.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\SysWOW64\KesenjanganSosial.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\SysWOW64\3D Animation.scr	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\SysWOW64\KesenjanganSosial.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\SysWOW64\cmd-brontok.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\SysWOW64\Admin's Setting.scr	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\SysWOW64\RakyatKelaparan.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\SysWOW64\IDTemplate.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\SysWOW64\cmd-brontok.exe	ò×óôâþûþþ.exe

UPX packed file 28 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3500-0-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/files/0x0007000000023c98-9.dat	upx
behavioral2/files/0x0007000000023c97-14.dat	upx
behavioral2/memory/3500-21-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-22-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-25-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-24-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-23-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-26-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-27-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-28-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-29-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-31-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-30-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-33-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-32-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-34-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-35-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-37-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-36-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-38-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-39-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-40-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-41-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-42-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-43-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/1296-44-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4392-45-0x0000000000400000-0x0000000000422000-memory.dmp	upx

Drops file in Windows directory 20 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ShellNew\RakyatKelaparan.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\3D Animation.scr	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\ShellNew\IDTemplate.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\3D Animation.scr	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\cmd-brontok.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\ShellNew\3D Animation.scr	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\ShellNew\cmd-brontok.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\ShellNew\KesenjanganSosial.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\IDTemplate.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\KesenjanganSosial.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\ShellNew\RakyatKelaparan.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\ShellNew\3D Animation.scr	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\ShellNew\cmd-brontok.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\ShellNew\KesenjanganSosial.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\KesenjanganSosial.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\cmd-brontok.exe	ò×óôâþûþþ.exe
File opened for modification	C:\Windows\RakyatKelaparan.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\IDTemplate.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\ShellNew\IDTemplate.exe	íÒîïÝùöùù„•.exe
File opened for modification	C:\Windows\RakyatKelaparan.exe	ò×óôâþûþþ.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	íÒîïÝùöùù„•.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ò×óôâþûþþ.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	ò×óôâþûþþ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "Microscope World Document"	ò×óôâþûþþ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	íÒîïÝùöùù„•.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "Microscope World Document"	íÒîïÝùöùù„•.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3500	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
1296	íÒîïÝùöùù„•.exe
4392	ò×óôâþûþþ.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 1296	3500	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe	85
PID 3500 wrote to memory of 1296	3500	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe	85
PID 3500 wrote to memory of 1296	3500	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe	85
PID 3500 wrote to memory of 4392	3500	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe	87
PID 3500 wrote to memory of 4392	3500	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe	87
PID 3500 wrote to memory of 4392	3500	f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe	87

C:\Users\Admin\AppData\Local\Temp\f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
"C:\Users\Admin\AppData\Local\Temp\f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe"
1⤵
- Modifies WinLogon for persistence
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Users\Admin\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\íÒîïÝùöùù„•.exe
  C:\Users\Admin\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\íÒîïÝùöùù„•.exe
  2⤵
  - Modifies WinLogon for persistence
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:1296
- C:\Users\Admin\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\ò×óôâþûþþ.exe
  C:\Users\Admin\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\ò×óôâþûþþ.exe
  2⤵
  - Modifies WinLogon for persistence
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:4392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\íÒîïÝùöùù„•.exe

Filesize
45KB

MD5
7b0a98d1e965c4f838bfc4768039390d

SHA1
c04eec64c6c52de6d0161603bb463b3128f864a0

SHA256
1f4ffd3a41d70d25a176a4b83a4e3852206f92b4aaa7cb652d04b7dcd6160b2a

SHA512
d61dc9e731b464f619954d973d80648fc138177b9145c549309463bd14192e975f209b2e15b5d5e0c45142061e1cf480cee5d49bf9ccebff11a3f9301774d8a6

Download Submit
C:\Users\Admin\disk.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\ò×óôâþûþþ.exe

Filesize
39KB

MD5
0c320b8ae83932c52062b72e7cd9e881

SHA1
5235ff3b7959a7ee931ce7c42ce04fb68dfdb11a

SHA256
73b8d9c8710eff305213185dad7a27e059c9f06330513a5c17b68d43aa9e8a8a

SHA512
92a7cf56db90468f4dd8b4adeb8c54f38f3bd56e6a0e83ea132487f7ae988b352daef193fbdfa471088a748fcb76d2961887fe8a24a52d8ad967d832d7d2795d

Download Submit
memory/1296-26-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-40-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-22-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-44-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-42-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-23-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-34-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-32-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-28-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-38-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-36-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1296-30-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3500-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3500-21-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-33-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-35-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-37-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-31-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-29-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-39-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-27-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-41-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-24-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-43-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-25-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4392-45-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads