5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77

General

Target

5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
Size

348KB
MD5

d71e033b413d6545a7c572266070bfcc
SHA1

ee9334786ef1a83b9fbce0a546fef3c205300c77
SHA256

5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77
SHA512

3334006b31aab82b49094efeb9396ca9121dc337744c1c2fdc24b8d65208c4cfc15349ce12d66593de77d661e085ae5acff82fee1e7448cb1e657288b6481338
SSDEEP

6144:E45rA5wSkJY8R/kpM3kRaWV/wEsNbqw8QlRTFiPurp+EStS3sth:SwSkB/kBubqw8vm+EKS3s

Score

10^/10

discovery 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\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe,"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2072	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1964	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
1964	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\f2963b00 = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\f2963b00 = "C:\\Windows\\apppatch\\svchost.exe"	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2072	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1964	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2072	1964	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe	30
PID 1964 wrote to memory of 2072	1964	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe	30
PID 1964 wrote to memory of 2072	1964	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe	30
PID 1964 wrote to memory of 2072	1964	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe	30

C:\Users\Admin\AppData\Local\Temp\5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
"C:\Users\Admin\AppData\Local\Temp\5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Winlogon Helper DLL

2

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:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\X761FPIN\JROSK2DL.htm

Filesize
167B

MD5
0104c301c5e02bd6148b8703d19b3a73

SHA1
7436e0b4b1f8c222c38069890b75fa2baf9ca620

SHA256
446a6087825fa73eadb045e5a2e9e2adf7df241b571228187728191d961dda1f

SHA512
84427b656a6234a651a6d8285c103645b861a18a6c5af4abb5cb4f3beb5a4f0df4a74603a0896c7608790fbb886dc40508e92d5709f44dca05dd46c8316d15bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\8085.tmp

Filesize
430KB

MD5
24960d1ad493ae2c6d1292b4d890bb22

SHA1
9ab9df875d314b960ac2f0324ab0434e090419e0

SHA256
69e063d201eff08a3dc276711650aa96ab1c13fb9029482c8bf6d8817397c352

SHA512
4b4616ab3b6ef4e8b81b59ddbf71c224ca40045d6e8c4dd0e0c5e4c92fca4caadccb544e82ace97e911b1da463faffc798e48ba62c527c03b5db9eadcde60bc8

Download Submit
C:\Users\Admin\AppData\Local\Temp\C2F1.tmp

Filesize
430KB

MD5
3d7669009963b339fdffd06de9723158

SHA1
3d0cbd11733e354e404c6f570a8c3240a250ed94

SHA256
8f96271fee5adc03fbc370dfa2cc74f7bed93856a9419fde9127ddf4b93ebbd2

SHA512
81d24f35e8dde2b3338971ca04fc9cad12b60960a3c243c01e193251bfacd5def3f68b873762a9df5c32b9d2dddcfc3943a4f69a6c8c03aab1385ddb156db877

Download Submit
\Windows\AppPatch\svchost.exe

Filesize
348KB

MD5
e3710ce5438fbf54b6071ef17d5ba8c2

SHA1
5c9caa7fa9a2b261a78c14524d4b692962ceb78e

SHA256
bb5323856dd511ab2411703712564b000a4a694183d41325414f3e47dbc53116

SHA512
31084bcbab585f9d66a12b1df420118c031aa09c35806d8dd6461bb265cdd78a1230017b44ebcbe305361860a1639831f83b80780f8a977b26b45106673465e2

Download Submit
memory/1964-13-0x0000000000FE0000-0x000000000104A000-memory.dmp

Filesize
424KB

Download
memory/2072-78-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/2072-72-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2072-18-0x00000000022F0000-0x0000000002380000-memory.dmp

Filesize
576KB

Download
memory/2072-27-0x00000000024E0000-0x000000000257F000-memory.dmp

Filesize
636KB

Download
memory/2072-30-0x00000000024E0000-0x000000000257F000-memory.dmp

Filesize
636KB

Download
memory/2072-31-0x00000000024E0000-0x000000000257F000-memory.dmp

Filesize
636KB

Download
memory/2072-28-0x00000000024E0000-0x000000000257F000-memory.dmp

Filesize
636KB

Download
memory/2072-56-0x0000000000D50000-0x0000000000D51000-memory.dmp

Filesize
4KB

Download
memory/2072-82-0x00000000024E0000-0x000000000257F000-memory.dmp

Filesize
636KB

Download
memory/2072-81-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/2072-79-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/2072-22-0x00000000022F0000-0x0000000002380000-memory.dmp

Filesize
576KB

Download
memory/2072-74-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/2072-20-0x00000000022F0000-0x0000000002380000-memory.dmp

Filesize
576KB

Download
memory/2072-71-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/2072-68-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2072-67-0x00000000023D0000-0x00000000023D1000-memory.dmp

Filesize
4KB

Download
memory/2072-65-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/2072-64-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/2072-61-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/2072-60-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/2072-58-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/2072-57-0x0000000000D50000-0x0000000000D51000-memory.dmp

Filesize
4KB

Download
memory/2072-53-0x00000000024E0000-0x000000000257F000-memory.dmp

Filesize
636KB

Download
memory/2072-54-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/2072-24-0x00000000022F0000-0x0000000002380000-memory.dmp

Filesize
576KB

Download
memory/2072-16-0x00000000022F0000-0x0000000002380000-memory.dmp

Filesize
576KB

Download
memory/2072-14-0x00000000022F0000-0x0000000002380000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads