4b4616813d6608450f07c8ced20e1d8cad4f53242aaadcfa6dfd6e131ee335ce

Analysis

max time kernel
116s
max time network
117s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 16:15

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General

Target

903a7afc7226ef8b5d19808403508580N.exe
Size

355KB
MD5

903a7afc7226ef8b5d19808403508580
SHA1

cc4dd3cd73093c460bfc6c27199fb249620024e4
SHA256

4b4616813d6608450f07c8ced20e1d8cad4f53242aaadcfa6dfd6e131ee335ce
SHA512

59cfca1da1508e4244942edac2a7638285d8c0a43b104e174387282e797e9abcdda7adcccef06c6d6c0c8fa39ea7b415e265a51d88d5bde8204ea9029a2db6fb
SSDEEP

6144:R3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:WmWhND9yJz+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
2496	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1820	903a7afc7226ef8b5d19808403508580N.exe
1820	903a7afc7226ef8b5d19808403508580N.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\7f5ae23d = "\x1c»£\b¼?;\x10N.#\x02Ï\x05]ðùtrµªÝÔÕd¼éQ\x1aE\x1f\u008dg…ÂïÅù¿·÷eq—µ)¹\x05¿‘éz¿ñ\u008fïM\x15?\x17sI\u008fWQo\x7f_Ï\u009dG''Õ#——g\x17ÿ]õ?\x17\x01_ÿ½\x7f\x17™µÿo¥ç7\v§-\x19ŸÓ¹?—ÿkk'YZÇO-WW\u008fzÿ\x1fe·?\x19‡í\x1d\x1f©\x1dªÙÒ¿ÿÝOÿ7\u009d2\x19åñ¡ñ/åßŸ\x1f‰ª\x1f½bG\u008do'Ã\x05ÿi\x17G?—3÷z[—³áÂw\u00adWß\u008fo_m\u009dg\x1f_ç™êõg\x01½3'\aé\a\a\x7f¯\a/—ª³/×WWÝ—¢ËGÿJW\x05w÷§\x11©ÝG'µú\u008fšƒ_\x1f¿‡G‰\x17A‚\x1dG×ïß_§GïŸ—\u008f'×"	903a7afc7226ef8b5d19808403508580N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\7f5ae23d = "\x1c»£\b¼?;\x10N.#\x02Ï\x05]ðùtrµªÝÔÕd¼éQ\x1aE\x1f\u008dg…ÂïÅù¿·÷eq—µ)¹\x05¿‘éz¿ñ\u008fïM\x15?\x17sI\u008fWQo\x7f_Ï\u009dG''Õ#——g\x17ÿ]õ?\x17\x01_ÿ½\x7f\x17™µÿo¥ç7\v§-\x19ŸÓ¹?—ÿkk'YZÇO-WW\u008fzÿ\x1fe·?\x19‡í\x1d\x1f©\x1dªÙÒ¿ÿÝOÿ7\u009d2\x19åñ¡ñ/åßŸ\x1f‰ª\x1f½bG\u008do'Ã\x05ÿi\x17G?—3÷z[—³áÂw\u00adWß\u008fo_m\u009dg\x1f_ç™êõg\x01½3'\aé\a\a\x7f¯\a/—ª³/×WWÝ—¢ËGÿJW\x05w÷§\x11©ÝG'µú\u008fšƒ_\x1f¿‡G‰\x17A‚\x1dG×ïß_§GïŸ—\u008f'×"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	903a7afc7226ef8b5d19808403508580N.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	903a7afc7226ef8b5d19808403508580N.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	903a7afc7226ef8b5d19808403508580N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1820	903a7afc7226ef8b5d19808403508580N.exe
1820	903a7afc7226ef8b5d19808403508580N.exe
1820	903a7afc7226ef8b5d19808403508580N.exe
1820	903a7afc7226ef8b5d19808403508580N.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1820	903a7afc7226ef8b5d19808403508580N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2496	1820	903a7afc7226ef8b5d19808403508580N.exe	30
PID 1820 wrote to memory of 2496	1820	903a7afc7226ef8b5d19808403508580N.exe	30
PID 1820 wrote to memory of 2496	1820	903a7afc7226ef8b5d19808403508580N.exe	30
PID 1820 wrote to memory of 2496	1820	903a7afc7226ef8b5d19808403508580N.exe	30

C:\Users\Admin\AppData\Local\Temp\903a7afc7226ef8b5d19808403508580N.exe
"C:\Users\Admin\AppData\Local\Temp\903a7afc7226ef8b5d19808403508580N.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:1820
- 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:2496

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\Microsoft\Windows\Temporary Internet Files\Content.IE5\69P6875H\login[5].htm

Filesize
168B

MD5
d57e3a550060f85d44a175139ea23021

SHA1
2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

SHA256
43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

SHA512
0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

Download Submit
C:\Users\Admin\AppData\Local\Temp\47B8.tmp

Filesize
102KB

MD5
59eb712ccf3ee8e654b118891c5ac566

SHA1
f10669ed7910a29008d0da774da25ef47b891530

SHA256
f575efdc9614be0cd1c7056bd2d7fe1525428ab624d528ca583649b03136d403

SHA512
b59c9d8b4bdea213cd8f4c7bc6b9559050b9f6f8951e9fc115999e7c3d3db29bcc3e4576264d6b9176308c28da5be62ef76ad9885fe938a34994e36acc5dc781

Download Submit
C:\Users\Admin\AppData\Local\Temp\4857.tmp

Filesize
24KB

MD5
6936c68128fc3ba1637c2937b3c98319

SHA1
620d88d997fc75c7b3cdeebcc321daa23aed67a9

SHA256
cffdfef87c8927192113b293922a535f8c471e0d818ea254af56153bdb4524bb

SHA512
a789780353931cc1b513d3dc5a352696ee41fea7233b939f136599ee7c35eb2695cc8c230a41d04190cad96c1796dbd2b99957ee978cd15b3da96e273b3a4d9c

Download Submit
C:\Users\Admin\AppData\Local\Temp\DF9F.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
\Windows\AppPatch\svchost.exe

Filesize
355KB

MD5
7c9898b61b84cb3310a06970b4429781

SHA1
5996fc0845513970f56ca4c773751109602c4932

SHA256
a25c96cb83a4f1b77b7b09c1143108148199ad03d919c04212a71072c453568f

SHA512
4b5672eaebf94dbb5ddd2490645e74c833cc3d586dac3af9631c299bcd5e18832e106cb72abb27ba8a71b5bbf69f1377bf382d798bce0e7fdcfc230ab2d0ffea

Download Submit
memory/1820-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2496-14-0x00000000004D0000-0x0000000000578000-memory.dmp

Filesize
672KB

Download
memory/2496-18-0x00000000004D0000-0x0000000000578000-memory.dmp

Filesize
672KB

Download
memory/2496-24-0x00000000004D0000-0x0000000000578000-memory.dmp

Filesize
672KB

Download
memory/2496-22-0x00000000004D0000-0x0000000000578000-memory.dmp

Filesize
672KB

Download
memory/2496-20-0x00000000004D0000-0x0000000000578000-memory.dmp

Filesize
672KB

Download
memory/2496-16-0x00000000004D0000-0x0000000000578000-memory.dmp

Filesize
672KB

Download
memory/2496-27-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-30-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-28-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-36-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-46-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-78-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-77-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-76-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-75-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-73-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-72-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-71-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-70-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-69-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-68-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-67-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-66-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-65-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-64-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-63-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-62-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-61-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-60-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-58-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-57-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-56-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-55-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-54-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-53-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-52-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-51-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-50-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-49-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-48-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-47-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-45-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-74-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-44-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-43-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-42-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-41-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-59-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-40-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-39-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-38-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-37-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-32-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-35-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-34-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-33-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download
memory/2496-324-0x00000000022E0000-0x0000000002396000-memory.dmp

Filesize
728KB

Download