233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 20:21

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General

Target

233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
Size

356KB
MD5

c6bf8dce10c797281105f773d87befd9
SHA1

b1c30f800c4b122b380e30f72e3eb4b8814f23a5
SHA256

233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177
SHA512

a30b28731f3a265e95e211374c27c629ce591636cf8f765e1aa1f4684d69130e9c5365bb2bcc026e4a79a8f07db90804a2673e0d656c4a215205a16a1f6ae274
SSDEEP

6144:p3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:+mWhND9yJz+b1FcMLmp2ATTSsd

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
1528	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.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\d796d0b8 = "ðŒ’÷\x12S\x7f›\vˆ¡¥\u00ad>ÇMK$6\\øË>M\x04W*f¦‹¸\u00a0îÌL¥hÕô%5ô\x1cÕ<ì\x065í§óõ\x1c\x1d¤\x0e¸`\u008fuk\x15\x1fõö°=°-EŒÖž‹žõåh¥Í¾Õl»à\u00adÍ[[‹†lÍ%µcKïT¤\u0090KÍ·<El¥hÖ×´\x0e“\x0e=\u008d\x1d÷ôÅ˜Ãf\rûmÍ\x10M\x04F¥¤¤ô\|xtÈ{EÈ%\x1eÏ\x14äƒõm\x0e…5åTu}S¥»æ;•\x1d.ã]ÌÀD\\]ËÜÆ\u008d\x16Æ¼ì#¼35†½àSHS½Dn®ÅC\u008do-às\u009dÇ\x10ÄÕUè÷\x1c_†\|¬<%¼KÎ3$Ó§=l\x15\f\u009dçû$c«Ì\r\u008dh„Õ\f\x7f„•l\u00a0e4–ôv\x1cE%DsH§`„"	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\d796d0b8 = "ðŒ’÷\x12S\x7f›\vˆ¡¥\u00ad>ÇMK$6\\øË>M\x04W*f¦‹¸\u00a0îÌL¥hÕô%5ô\x1cÕ<ì\x065í§óõ\x1c\x1d¤\x0e¸`\u008fuk\x15\x1fõö°=°-EŒÖž‹žõåh¥Í¾Õl»à\u00adÍ[[‹†lÍ%µcKïT¤\u0090KÍ·<El¥hÖ×´\x0e“\x0e=\u008d\x1d÷ôÅ˜Ãf\rûmÍ\x10M\x04F¥¤¤ô\|xtÈ{EÈ%\x1eÏ\x14äƒõm\x0e…5åTu}S¥»æ;•\x1d.ã]ÌÀD\\]ËÜÆ\u008d\x16Æ¼ì#¼35†½àSHS½Dn®ÅC\u008do-às\u009dÇ\x10ÄÕUè÷\x1c_†\|¬<%¼KÎ3$Ó§=l\x15\f\u009dçû$c«Ì\r\u008dh„Õ\f\x7f„•l\u00a0e4–ôv\x1cE%DsH§`„"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.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	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 1528	2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe	29
PID 2468 wrote to memory of 1528	2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe	29
PID 2468 wrote to memory of 1528	2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe	29
PID 2468 wrote to memory of 1528	2468	233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe	29

C:\Users\Admin\AppData\Local\Temp\233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.exe
"C:\Users\Admin\AppData\Local\Temp\233842fc1f0e03f3d87afcf8628674d51013cdc24fbdda9e800ad332db3ad177.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:2468
- 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:1528

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\3334.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
\Windows\AppPatch\svchost.exe

Filesize
356KB

MD5
3d3f9b0a7f8a987051387245b7ba949e

SHA1
84eaf830d7dd1bcef3c4b8d6656d540a7d7af8a1

SHA256
8677b6ac01c41fb5e30122fcbce187684e8ecbb048d920970e05b2f7bd5dd3c0

SHA512
93205b695a4e74d7b7367c8542954c134deaceb1f9e72ab9f45d31bd26211cf49c135a9892beed043da502664cac3f15a3a994e70095910603a20a2ec6864677

Download Submit
memory/1528-18-0x0000000000470000-0x0000000000518000-memory.dmp

Filesize
672KB

Download
memory/1528-24-0x0000000000470000-0x0000000000518000-memory.dmp

Filesize
672KB

Download
memory/1528-22-0x0000000000470000-0x0000000000518000-memory.dmp

Filesize
672KB

Download
memory/1528-20-0x0000000000470000-0x0000000000518000-memory.dmp

Filesize
672KB

Download
memory/1528-16-0x0000000000470000-0x0000000000518000-memory.dmp

Filesize
672KB

Download
memory/1528-14-0x0000000000470000-0x0000000000518000-memory.dmp

Filesize
672KB

Download
memory/1528-25-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-27-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-29-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-33-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-36-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-77-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-76-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-75-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-73-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-72-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-70-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-69-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-68-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-67-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-66-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-65-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-64-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-63-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-62-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-61-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-60-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-59-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-58-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-57-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-56-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-55-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-54-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-53-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-51-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-50-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-49-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-48-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-47-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-46-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-45-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-44-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-43-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-42-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-40-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-39-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-38-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-37-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-35-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-74-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-34-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-71-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-52-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-41-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-32-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-31-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/1528-183-0x0000000002310000-0x00000000023C6000-memory.dmp

Filesize
728KB

Download
memory/2468-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download