f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 06:54

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General

Target

f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe
Size

355KB
MD5

cf51d4cfc5ccf71f82071e19845e4858
SHA1

0d6edbf98b8ec3ea5b4a7c6a376decf64895b322
SHA256

f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236
SHA512

ba18237a667b0e43b33f8f14de6b80a34acdce8615f811ad8931bc1cef136d737ef08a792825f399c417bb2bb339b05c62135cd5b382c2cacd36634b9d956fea
SSDEEP

6144:73EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:YmWhND9yJz+b1FcMLmp2ATTSsdS

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
1704	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe
2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.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\bcd3b3cf = "IHòÇ'÷\u009d\x1d¦}ÑW2\b\u008dÛÆIÞô%ç¢\"ýù¡À/À`b%>j²6ö\t>>n]\x18J8úºò\x16iµ‚Vî\x02&6¥Þ@¥:8†\x12NÆ¡€Ù‘1N®¦8®ð2\x1e:\x0eÍ6áJfŽh\x05iîŠ\x1eÂ®v\x0e¨–Òõ¢˜\r¡\x12ÉP\x10&î…èP™‚&æV\x06 ¸¾\x0e‚ÆvøÆ\x10ÞÖ\x11&‚\x1e2Ö &ºÑê¢^\x1eI*ž.Ú¦\x1a&(Jjž°^åH°¾²Ú¸6Þ\x12š\"]Å€¦YÕ&Ð&\x16À•\u008dZpb8žzæBV6–.ÒÝ®æIíÒBvör–\"˜ˆJq9â¢½åŽnò&\x1d%BrŠ¨\x0eñè5š†F\x1a6¦\x1d\u00a0ÎþöµHòn²Ò>]\u00ad¦ÆJ"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\bcd3b3cf = "IHòÇ'÷\u009d\x1d¦}ÑW2\b\u008dÛÆIÞô%ç¢\"ýù¡À/À`b%>j²6ö\t>>n]\x18J8úºò\x16iµ‚Vî\x02&6¥Þ@¥:8†\x12NÆ¡€Ù‘1N®¦8®ð2\x1e:\x0eÍ6áJfŽh\x05iîŠ\x1eÂ®v\x0e¨–Òõ¢˜\r¡\x12ÉP\x10&î…èP™‚&æV\x06 ¸¾\x0e‚ÆvøÆ\x10ÞÖ\x11&‚\x1e2Ö &ºÑê¢^\x1eI*ž.Ú¦\x1a&(Jjž°^åH°¾²Ú¸6Þ\x12š\"]Å€¦YÕ&Ð&\x16À•\u008dZpb8žzæBV6–.ÒÝ®æIíÒBvör–\"˜ˆJq9â¢½åŽnò&\x1d%BrŠ¨\x0eñè5š†F\x1a6¦\x1d\u00a0ÎþöµHòn²Ò>]\u00ad¦ÆJ"	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\apppatch\svchost.exe	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe
File created	C:\Windows\apppatch\svchost.exe	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.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	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe
2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe
2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe
2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe
1704	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1704	2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe	29
PID 2268 wrote to memory of 1704	2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe	29
PID 2268 wrote to memory of 1704	2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe	29
PID 2268 wrote to memory of 1704	2268	f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe	29

C:\Users\Admin\AppData\Local\Temp\f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe
"C:\Users\Admin\AppData\Local\Temp\f2e863b0cc41034e72626dc77278cfc744ff7639618906d1b0ae5bcbe1050236.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2268
- 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:1704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\E0C6.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
C:\Windows\AppPatch\svchost.exe

Filesize
355KB

MD5
a1e8055ddee78ba5898fa9909908ffd2

SHA1
b8792cb26a0980acfc92c88743c20216d8d87977

SHA256
0465401d15162edf1d1d3a2dfc0dad84967b124055d907efacb1fb414c1fd170

SHA512
48079f80cffca8213b271af1868e601e9759486d7ee5cfdf77d5ace53aae9f4f87188483620c9ca22d5c33acba6dc292ad71c329ca63f29442835271368c869a

Download Submit
memory/1704-14-0x0000000000350000-0x00000000003F8000-memory.dmp

Filesize
672KB

Download
memory/1704-24-0x0000000000350000-0x00000000003F8000-memory.dmp

Filesize
672KB

Download
memory/1704-22-0x0000000000350000-0x00000000003F8000-memory.dmp

Filesize
672KB

Download
memory/1704-20-0x0000000000350000-0x00000000003F8000-memory.dmp

Filesize
672KB

Download
memory/1704-18-0x0000000000350000-0x00000000003F8000-memory.dmp

Filesize
672KB

Download
memory/1704-16-0x0000000000350000-0x00000000003F8000-memory.dmp

Filesize
672KB

Download
memory/1704-27-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-31-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-25-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-32-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-39-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-38-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-63-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-64-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-78-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-77-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-76-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-75-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-74-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-73-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-72-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-71-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-69-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-68-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-67-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-65-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-62-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-61-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-59-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-57-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-56-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-54-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-53-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-50-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-42-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-70-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-66-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-60-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-58-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-55-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-52-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-51-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-49-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-48-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-47-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-46-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-45-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-44-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-43-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-41-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-40-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-37-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-36-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-35-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-34-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-33-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/1704-197-0x00000000022F0000-0x00000000023A6000-memory.dmp

Filesize
728KB

Download
memory/2268-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download