02416b68bb0916b4bbd533b1bc62334b45aa243c5acba8784f344698b9cb3f93

General

Target

567317156aebcf98a95feaec1e8d51a0N.exe
Size

44KB
MD5

567317156aebcf98a95feaec1e8d51a0
SHA1

f8c750c1d4c1e8507d58c79ea48da798edb2889d
SHA256

02416b68bb0916b4bbd533b1bc62334b45aa243c5acba8784f344698b9cb3f93
SHA512

823bf6e06d80249cac1cf687138b1cf793e41f462a4227a264b7192e9505805d61d5ec5212876ec3070ae6d5fae5f1ba56ee8b288cb1b6c317ead0d025094051
SSDEEP

768:mTAm5hiTllzeF/AJOTmbWa8RYdiU3/7Shy5nv9/B39lQrGJ6JI:mLIcNTcWATPuhI9lABI

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 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:\\Windows/system32/SVCH0ST.EXE"	567317156aebcf98a95feaec1e8d51a0N.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	567317156aebcf98a95feaec1e8d51a0N.exe

Disables Task Manager via registry modification
evasion

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\Microsoft Agent = "C:\\Windows\\System32\\SVCH0ST.EXE"	567317156aebcf98a95feaec1e8d51a0N.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SVCH0ST.EXE	567317156aebcf98a95feaec1e8d51a0N.exe
File opened for modification	C:\Windows\SysWOW64\SVCH0ST.EXE	567317156aebcf98a95feaec1e8d51a0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\wincirl.com	567317156aebcf98a95feaec1e8d51a0N.exe
File opened for modification	C:\Windows\system\wincirl.com	567317156aebcf98a95feaec1e8d51a0N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	567317156aebcf98a95feaec1e8d51a0N.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings	Explorer.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4852	567317156aebcf98a95feaec1e8d51a0N.exe
4852	567317156aebcf98a95feaec1e8d51a0N.exe
4852	567317156aebcf98a95feaec1e8d51a0N.exe
4852	567317156aebcf98a95feaec1e8d51a0N.exe
4852	567317156aebcf98a95feaec1e8d51a0N.exe
4852	567317156aebcf98a95feaec1e8d51a0N.exe
4852	567317156aebcf98a95feaec1e8d51a0N.exe
4852	567317156aebcf98a95feaec1e8d51a0N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4852	567317156aebcf98a95feaec1e8d51a0N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4852	567317156aebcf98a95feaec1e8d51a0N.exe
4852	567317156aebcf98a95feaec1e8d51a0N.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 3152	4852	567317156aebcf98a95feaec1e8d51a0N.exe	83
PID 4852 wrote to memory of 3152	4852	567317156aebcf98a95feaec1e8d51a0N.exe	83

C:\Users\Admin\AppData\Local\Temp\567317156aebcf98a95feaec1e8d51a0N.exe
"C:\Users\Admin\AppData\Local\Temp\567317156aebcf98a95feaec1e8d51a0N.exe"
1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Windows\Explorer.exe
  C:\Windows\Explorer.exe
  2⤵
  - Modifies registry class
  PID:3152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

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:\Common Office Components.pif

Filesize
40KB

MD5
c46fb8f20aa2b853d473e85e6f8152d0

SHA1
6cce1f19c638cc22354167d4115c87d7da28308f

SHA256
225a3c7bc1147aa0aa9c242c9ff90861e8ac6e19abf0c072cad12104795e0d5f

SHA512
bc2daa719aeb3eb88936a2859dfb90e49c54eb14a45db6bfa606c6c401a676d5e51f6f6b57ab81cd56880ef6e063ecc4b61223058f98508c1173f62f15cd45be

Download Submit
memory/4852-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4852-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/4852-29-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4852-30-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/4852-33-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4852-36-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4852-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads