782f5c782938193d1a4a109fd78ea329a37236b27ffbfce0042c976238dc9c3b

Analysis

max time kernel
116s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 06:12

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General

Target

8c41ceaf5e828aafda42cc07e0bb27c0N.exe
Size

218KB
MD5

8c41ceaf5e828aafda42cc07e0bb27c0
SHA1

7cdb5338dd6615c9d96defe80b2ed6b89ac960a1
SHA256

782f5c782938193d1a4a109fd78ea329a37236b27ffbfce0042c976238dc9c3b
SHA512

1b903715db324edc701faba47135385243e792c220badfce8fb93df9f2d02be045408783ed6236aac2e8bd911f8d5d7d53c3982b80a92d3c200826cb5699e202
SSDEEP

3072:Evm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:S1SyAJp6rjn1gOObn4b6h9h

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
2488	svchost.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\a1671382 = "ó‚BStøÐ\x01\x19²”mä\x15Ì\x14J*Ì\x1cýjÝ\x04¯RÊRÉ–‘°î´\x18nL\x1døFq^éÖ´<ø\fü¦©"	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\a1671382 = "ó‚BStøÐ\x01\x19²”mä\x15Ì\x14J*Ì\x1cýjÝ\x04¯RÊRÉ–‘°î´\x18nL\x1døFq^éÖ´<ø\fü¦©"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	8c41ceaf5e828aafda42cc07e0bb27c0N.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	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 2488	4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe	87
PID 4396 wrote to memory of 2488	4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe	87
PID 4396 wrote to memory of 2488	4396	8c41ceaf5e828aafda42cc07e0bb27c0N.exe	87

C:\Users\Admin\AppData\Local\Temp\8c41ceaf5e828aafda42cc07e0bb27c0N.exe
"C:\Users\Admin\AppData\Local\Temp\8c41ceaf5e828aafda42cc07e0bb27c0N.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4396
- 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:2488

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\INetCache\IE\OZDMMIJY\login[1].htm

Filesize
168B

MD5
d57e3a550060f85d44a175139ea23021

SHA1
2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

SHA256
43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

SHA512
0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

Download Submit
C:\Users\Admin\AppData\Local\Temp\5A14.tmp

Filesize
593B

MD5
3b03d93d3487806337b5c6443ce7a62d

SHA1
93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

SHA256
7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

SHA512
770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

Download Submit
C:\Users\Admin\AppData\Local\Temp\5A14.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
C:\Users\Admin\AppData\Local\Temp\6A6D.tmp

Filesize
42KB

MD5
e7ca5d072cd92a9c0b96df17512d25da

SHA1
80a4a868ef199536d3cdf9341573c78b978f12c9

SHA256
628f1a355d854ef30d58f2751bc61b7b432e2aced622237cd5823ee1df9dbe9b

SHA512
caf3378683a427fa8c57ebf40a7c16044392d847ac2867812a0e2107e4b5b9c1af0dba17b0c5cef38368fb662d0248a9877fe7643fa0d5fea98ca2b21312df21

Download Submit
C:\Users\Admin\AppData\Local\Temp\B632.tmp

Filesize
23KB

MD5
f2082d109fc19a7c4f57382fab89ea12

SHA1
72f017ac9a77f88fc89dde0cc80dc68e45a83184

SHA256
ae20007ba81d9e7d7fae26296e8cbb78c9c8ea9817be19d4281560c5ab27c58d

SHA512
e9da2ca5797d9abc4675b05b8f786c546edf0c901b1d2c47c293227a8bc240b76e1e6ace255a0a161df214c9a3f996f7f68a79b56fb344ba3e466b7a788ccd93

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

Filesize
218KB

MD5
92635c310d5df0832d43b92c92d67b33

SHA1
ae8905b6640f1dd16a31f956455d6fef3dbdfdb8

SHA256
b4a7cee5b6a67a9ee41a66599b6ec01173b31b8b2eb1eb0b053f9001daaf41aa

SHA512
88813bab7d5cff08c28092165425fc44ebb1bb238eb9cf01981d29ec071d36257725b398a3b486b95090b15813977da1ae77b886a7e3a1bec615cbfcacb0d4ba

Download Submit
memory/2488-48-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-36-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-22-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-18-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-40-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-46-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-74-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-79-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-78-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-77-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-76-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-75-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-73-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-71-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-69-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-68-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-59-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-58-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-14-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2488-72-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-66-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-62-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-60-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-56-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-54-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-53-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-51-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-49-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-15-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2488-45-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-20-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-44-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-26-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-41-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-39-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-38-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-43-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-37-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-33-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-35-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-34-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-32-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-30-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-28-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-27-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-25-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-55-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-52-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-50-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-47-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-24-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-23-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-31-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-29-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-42-0x0000000002D00000-0x0000000002DB6000-memory.dmp

Filesize
728KB

Download
memory/2488-17-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2488-16-0x00000000028D0000-0x0000000002978000-memory.dmp

Filesize
672KB

Download
memory/4396-0-0x0000000000850000-0x00000000008A1000-memory.dmp

Filesize
324KB

Download
memory/4396-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4396-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4396-12-0x0000000000850000-0x00000000008A1000-memory.dmp

Filesize
324KB

Download
memory/4396-11-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download