b2528832b654328afe4884b89d15cd10f5b24f204497db9985b4a5f47880bf35

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 05:14

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General

Target

7ac532308a895b77eb3175c826e50c10N.exe
Size

201KB
MD5

7ac532308a895b77eb3175c826e50c10
SHA1

6734e3383a055aafc4c008806753d560a57a6031
SHA256

b2528832b654328afe4884b89d15cd10f5b24f204497db9985b4a5f47880bf35
SHA512

a933136b233be1979528f7977bf9226060ee1685120cab622852727d38efb972638b67157347c6022921e51f76036fc0f0c9adc7fecfbd93d0794884d3b359bc
SSDEEP

6144:Mt++Jbojf5Vq5OC4qZhZcKYhc/ZfUozY:f+cff22qZhZcKYhc/

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
2928	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2636	7ac532308a895b77eb3175c826e50c10N.exe
2636	7ac532308a895b77eb3175c826e50c10N.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\65d54f31 = "C:\\Windows\\apppatch\\svchost.exe"	7ac532308a895b77eb3175c826e50c10N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\65d54f31 = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe

Drops file in Program Files directory 30 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Defender\galyqaz.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vofycot.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\lymyxid.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vonypom.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lysyfyj.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qetyhyg.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\gatyfus.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\pupydeq.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\pupydeq.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\galynuh.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\galynuh.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\lysyfyj.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\gatyfus.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\pupycag.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\vofycot.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\qetyhyg.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lymyxid.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\vocyzit.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\qexyhuv.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\vonypom.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\gadyciz.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\gadyciz.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vocyzit.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\galyqaz.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lyxynyx.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qexyhuv.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\lyxynyx.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qetyfuv.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\qetyfuv.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\pupycag.com	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	7ac532308a895b77eb3175c826e50c10N.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	7ac532308a895b77eb3175c826e50c10N.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	7ac532308a895b77eb3175c826e50c10N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2928	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2636	7ac532308a895b77eb3175c826e50c10N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2928	2636	7ac532308a895b77eb3175c826e50c10N.exe	30
PID 2636 wrote to memory of 2928	2636	7ac532308a895b77eb3175c826e50c10N.exe	30
PID 2636 wrote to memory of 2928	2636	7ac532308a895b77eb3175c826e50c10N.exe	30
PID 2636 wrote to memory of 2928	2636	7ac532308a895b77eb3175c826e50c10N.exe	30

C:\Users\Admin\AppData\Local\Temp\7ac532308a895b77eb3175c826e50c10N.exe
"C:\Users\Admin\AppData\Local\Temp\7ac532308a895b77eb3175c826e50c10N.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:2636
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2928

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:\Program Files (x86)\Windows Defender\galynuh.com

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
C:\Program Files (x86)\Windows Defender\lyxynyx.com

Filesize
1KB

MD5
a3d8302d4a5d1fe4c3845a909adcf870

SHA1
ab5a254bf602ac36c218c20eef03d51737455182

SHA256
0372a0d11052f01528693b61f43e52f6d51b8cf9bf2202ec2b57495b910f4934

SHA512
4840251540ab5d9e1ae492e987009f8fd1201ddfeacebb06065b87ae787d164ed2dbe8a4e1f43829e503b513f4659fb617c220c278bb184cb039b30f0b6bdd03

Download Submit
C:\Program Files (x86)\Windows Defender\qexyhuv.com

Filesize
114B

MD5
bfde1e9e9c32c1681a16139450c6909d

SHA1
7e669b927e6a75a10a0ca29e38e58ddcb49b725e

SHA256
e0d020ba1cb6506cee234903a44c747ee0cfa7e2d1e60029e4cd8de9a431512a

SHA512
781fd54f155442dd34f9919b3cd063ee399db411bbfe15f2bdc43d3ab8ac2d04e1011b2c99fab42bebf7b903a94e09aaaef71b7a465d2d04b417f6dad8e8e396

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WK27LCMU\login[3].htm

Filesize
168B

MD5
d57e3a550060f85d44a175139ea23021

SHA1
2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

SHA256
43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

SHA512
0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

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

Filesize
201KB

MD5
cd317628462ff54d75d197d7a8ffc827

SHA1
0e55169ef846a30b5e067b18d84e6c5b76117373

SHA256
f3ed79bebf0c316060fcdbd33ec56afd121a07e6b47623a9c7406885701e9cd1

SHA512
cb244773e278603fb2a8e499c500718bbf01316403717ab96e36c799626830c33e80939b1c72dc9bb47fb0d2bdf12bba92852184f1314de61e9d66e9bdd4c34e

Download Submit
memory/2636-1-0x00000000001B0000-0x00000000001FF000-memory.dmp

Filesize
316KB

Download
memory/2636-0-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2636-2-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2636-17-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2636-16-0x00000000001B0000-0x00000000001FF000-memory.dmp

Filesize
316KB

Download
memory/2636-15-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2928-75-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-69-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-24-0x0000000001EB0000-0x0000000001F54000-memory.dmp

Filesize
656KB

Download
memory/2928-28-0x0000000001EB0000-0x0000000001F54000-memory.dmp

Filesize
656KB

Download
memory/2928-32-0x0000000001EB0000-0x0000000001F54000-memory.dmp

Filesize
656KB

Download
memory/2928-30-0x0000000001EB0000-0x0000000001F54000-memory.dmp

Filesize
656KB

Download
memory/2928-33-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2928-26-0x0000000001EB0000-0x0000000001F54000-memory.dmp

Filesize
656KB

Download
memory/2928-22-0x0000000001EB0000-0x0000000001F54000-memory.dmp

Filesize
656KB

Download
memory/2928-34-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-36-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-38-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-46-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-48-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-76-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-84-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-83-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-82-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-81-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-80-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-79-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-78-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-77-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-20-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2928-74-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-73-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-72-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-71-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-70-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-21-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2928-68-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-67-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-66-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-65-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-64-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-63-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-62-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-61-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-60-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-59-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-58-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-57-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-56-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-55-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-54-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-53-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-52-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-51-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-50-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-49-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-47-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-45-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-44-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-43-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-19-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2928-42-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-40-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download
memory/2928-41-0x00000000024A0000-0x0000000002552000-memory.dmp

Filesize
712KB

Download