75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf

General

Target

75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Size

181KB
MD5

eac1dd8cef50fcbdb306a83708a12b79
SHA1

a9d6605c0381f21888f99b3d98e2237f790406b4
SHA256

75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf
SHA512

44ff0ae07f788843cee8b5764524ba28450535264ed3918b0bcb703e0173ea606a327eff5007b9a94d0c340e6119fe0bd24b5fd4963ae719858f640e274d47e6
SSDEEP

3072:ZIPGJHlGLODgrXD3zb3iwxchkiZLNEUygL974ybPNueVicYhyK8AuUr/:ZICFGgsXDSK0t/EUy66yjUel0uAu

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies security service 2 TTPs 18 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords\DHCP	services.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\ErrorControl = "0"	services.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Security	services.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Type = "32"	services.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4"	services.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\DeleteFlag = "1"	services.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords\IPTLSOut	services.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords\RPC-EPMap	services.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Type = "32"	services.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	services.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords\IPTLSIn	services.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords\Teredo	services.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters	services.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Security	services.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\DeleteFlag = "1"	services.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\ErrorControl = "0"	services.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Parameters	services.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords	services.exe

Executes dropped EXE 2 IoCs

pid	Process
1336	Explorer.EXE
464	services.exe

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$8c508dde2ce992e35b79435a5d2d0943\\n."	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3406023954-474543476-3319432036-1000\\$8c508dde2ce992e35b79435a5d2d0943\\n."	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe

Deletes itself 1 IoCs

pid	Process
836	cmd.exe

Unexpected DNS network traffic destination 9 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	\systemroot\assembly\GAC_64\Desktop.ini	services.exe
File created	\systemroot\assembly\GAC_32\Desktop.ini	services.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1348 set thread context of 836	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe	28

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3406023954-474543476-3319432036-1000\\$8c508dde2ce992e35b79435a5d2d0943\\n."	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$8c508dde2ce992e35b79435a5d2d0943\\n."	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\clsid	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
464	services.exe
1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1336	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Token: SeDebugPrivilege	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Token: SeDebugPrivilege	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Token: SeDebugPrivilege	464	services.exe
Token: SeBackupPrivilege	464	services.exe
Token: SeRestorePrivilege	464	services.exe
Token: SeSecurityPrivilege	464	services.exe
Token: SeTakeOwnershipPrivilege	464	services.exe
Token: SeBackupPrivilege	464	services.exe
Token: SeRestorePrivilege	464	services.exe
Token: SeSecurityPrivilege	464	services.exe
Token: SeTakeOwnershipPrivilege	464	services.exe
Token: SeBackupPrivilege	464	services.exe
Token: SeRestorePrivilege	464	services.exe
Token: SeSecurityPrivilege	464	services.exe
Token: SeTakeOwnershipPrivilege	464	services.exe
Token: SeBackupPrivilege	464	services.exe
Token: SeRestorePrivilege	464	services.exe
Token: SeSecurityPrivilege	464	services.exe
Token: SeTakeOwnershipPrivilege	464	services.exe
Token: SeShutdownPrivilege	1336	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1336	Explorer.EXE
1336	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1336	Explorer.EXE
1336	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 1336	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe	15
PID 1348 wrote to memory of 1336	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe	15
PID 1348 wrote to memory of 464	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe	2
PID 1348 wrote to memory of 836	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe	28
PID 1348 wrote to memory of 836	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe	28
PID 1348 wrote to memory of 836	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe	28
PID 1348 wrote to memory of 836	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe	28
PID 1348 wrote to memory of 836	1348	75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe	28

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
- Modifies security service
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:464

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1336
- C:\Users\Admin\AppData\Local\Temp\75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
  "C:\Users\Admin\AppData\Local\Temp\75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe"
  2⤵
  - Registers COM server for autorun
  - Suspicious use of SetThreadContext
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-18\$8c508dde2ce992e35b79435a5d2d0943\@

Filesize
2KB

MD5
f7bf955933e750942ab61b9bda2da4d7

SHA1
d629cc27d3102f69e0110e68a2d605c0a67b22fa

SHA256
d7ab47989797a283ccc6b7fd40f46be095c6509569460377e6edcc0911bc25bc

SHA512
a921331607e8570d54e0bc3b83c3904efa46f44903018c897616588cd3ea1bfe8d2b32fdc95f521fe12fc83408acb40e0cc264f2f8e7788949c06492a5aba6f5

Download Submit
C:\$Recycle.Bin\S-1-5-18\$8c508dde2ce992e35b79435a5d2d0943\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-3406023954-474543476-3319432036-1000\$8c508dde2ce992e35b79435a5d2d0943\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-18\$8c508dde2ce992e35b79435a5d2d0943\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-21-3406023954-474543476-3319432036-1000\$8c508dde2ce992e35b79435a5d2d0943\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/1348-54-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1348-55-0x0000000000230000-0x0000000000262000-memory.dmp

Filesize
200KB

Download
memory/1348-58-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1348-59-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1348-60-0x0000000000230000-0x0000000000262000-memory.dmp

Filesize
200KB

Download
memory/1348-65-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

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