2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121

General

Target

2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Size

167KB
MD5

80a91d94d8da4719e924205c807bb470
SHA1

d1843adbf687b1884ae9b8ba7e5e213ba1a3420f
SHA256

2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121
SHA512

572a6b78fafeecf883380eae2a2e4adfe6c2c52620a0989266da035bd5980c3f91cd07d15b7f18b635f39ac1ddff89b58da85dc37f076f34fdb83f99c2000d4f
SSDEEP

3072:A+xcVA6zP7kJ9tT0LOVpWhJB8UI3AmckWzl+51z4ksrzRRz6EGb03:A+yVA0W9tYL58UIqlCeC

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies security service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Parameters	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Security	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\TriggerInfo\0	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\TriggerInfo	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe

Executes dropped EXE 2 IoCs

pid	Process
1248	Explorer.EXE
460	services.exe

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-999675638-2867687379-27515722-1000\\$f545a6cb63874d75375b4ac5befd06b3\\n."	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.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 3 IoCs

description	pid	Process	procid_target
PID 1384 set thread context of 684	1384	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	27
PID 1384 set thread context of 684	1384	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	27
PID 1384 set thread context of 684	1384	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	27

Drops file in Program Files directory 18 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Windows Defender\MsMpRes.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\es-ES:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\ja-JP:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpSvc.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MsMpCom.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MsMpLics.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpCommu.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpEvMsg.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpRTP.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpClient.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\de-DE:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\en-US:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\it-IT:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpAsDesc.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\fr-FR:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpOAV.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-999675638-2867687379-27515722-1000\\$f545a6cb63874d75375b4ac5befd06b3\\n."	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\clsid	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe

NTFS ADS 18 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Windows Defender\MpRTP.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MsMpLics.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MsMpRes.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\es-ES:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\fr-FR:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\it-IT:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpClient.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpOAV.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpSvc.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MsMpCom.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\de-DE:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\ja-JP:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpCommu.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpAsDesc.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\en-US:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
File opened for modification	C:\Program Files\Windows Defender\MpEvMsg.dll:!	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
460	services.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1384	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Token: SeDebugPrivilege	684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Token: SeDebugPrivilege	684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
Token: SeDebugPrivilege	460	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 684	1384	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	27
PID 1384 wrote to memory of 684	1384	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	27
PID 1384 wrote to memory of 684	1384	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	27
PID 1384 wrote to memory of 684	1384	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	27
PID 684 wrote to memory of 1248	684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	14
PID 684 wrote to memory of 1248	684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	14
PID 684 wrote to memory of 460	684	2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe	2

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:460

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1248
- C:\Users\Admin\AppData\Local\Temp\2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
  "C:\Users\Admin\AppData\Local\Temp\2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Users\Admin\AppData\Local\Temp\2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe
    "C:\Users\Admin\AppData\Local\Temp\2ecff01cd1e6a7d7be11233eeec60c1fe75be4d6b601bb658ff1f55077325121.exe"
    3⤵
    - Modifies security service
    - Registers COM server for autorun
    - Drops file in Program Files directory
    - Modifies registry class
    - NTFS ADS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: RenamesItself
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:684

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\$f545a6cb63874d75375b4ac5befd06b3\@

Filesize
2KB

MD5
cc188657ea11a90bda4a6a9e87287520

SHA1
4ebb2ea797ae89e19f66aa90f858d6aa13ac2a88

SHA256
6c84caee0659b6ba259711d2af1e8073ff5c779a4755cf62e09a97ffff9bf8a4

SHA512
e596b52fa939ca3015c0c437716e71419fb0c11e147edacf12fc5a474205045864e76c8fee5c6d7d71ea5d6172350e061e1f16cf7910496adff67f2712471730

Download Submit
C:\$Recycle.Bin\S-1-5-18\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-999675638-2867687379-27515722-1000\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-18\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-21-999675638-2867687379-27515722-1000\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/684-57-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/684-62-0x0000000000260000-0x000000000029C000-memory.dmp

Filesize
240KB

Download
memory/684-67-0x0000000000430000-0x000000000044D000-memory.dmp

Filesize
116KB

Download
memory/1384-55-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1384-56-0x0000000000430000-0x000000000044D000-memory.dmp

Filesize
116KB

Download
memory/1384-68-0x0000000000430000-0x000000000044D000-memory.dmp

Filesize
116KB

Download

Analysis

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