81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 22:14

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General

Target

81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe
Size

241KB
MD5

c7c1ed4cc182307b76b3bc01253cdd06
SHA1

b5fda2a62e340b5e4e4ba509316c844ab885b35d
SHA256

81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0
SHA512

7d114b688c5f11d9f33951374dd10fb3eaa5fa826c3aaa042f6ff78daf9b7c02cbd2096b891cffa0fe0e6a17a7881d282c6da1caaf62e3790589fb5978844352
SSDEEP

3072:HDgnEdPvIvxywNCQoVeEeZaL8QwtVg6C7619nc7BSQP47n/E5pNFZHO2e0QKlPu9:scA1Cdfe4oQwtVi+TWYQQ7n/gpNTdGL

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
572	okvyt.exe
524	okvyt.exe

Deletes itself 1 IoCs

pid	Process
1228	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe
988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\Currentversion\Run	okvyt.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\Currentversion\Run	okvyt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vucyo = "C:\\Users\\Admin\\AppData\\Roaming\\Sali\\okvyt.exe"	okvyt.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 572 set thread context of 524	572	okvyt.exe	29

Suspicious behavior: EnumeratesProcesses 55 IoCs

pid	Process
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe
524	okvyt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe
Token: SeSecurityPrivilege	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 1768 wrote to memory of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 1768 wrote to memory of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 1768 wrote to memory of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 1768 wrote to memory of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 1768 wrote to memory of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 1768 wrote to memory of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 1768 wrote to memory of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 1768 wrote to memory of 988	1768	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	27
PID 988 wrote to memory of 572	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	28
PID 988 wrote to memory of 572	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	28
PID 988 wrote to memory of 572	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	28
PID 988 wrote to memory of 572	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	28
PID 572 wrote to memory of 524	572	okvyt.exe	29
PID 572 wrote to memory of 524	572	okvyt.exe	29
PID 572 wrote to memory of 524	572	okvyt.exe	29
PID 572 wrote to memory of 524	572	okvyt.exe	29
PID 572 wrote to memory of 524	572	okvyt.exe	29
PID 572 wrote to memory of 524	572	okvyt.exe	29
PID 572 wrote to memory of 524	572	okvyt.exe	29
PID 572 wrote to memory of 524	572	okvyt.exe	29
PID 572 wrote to memory of 524	572	okvyt.exe	29
PID 988 wrote to memory of 1228	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	30
PID 988 wrote to memory of 1228	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	30
PID 988 wrote to memory of 1228	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	30
PID 988 wrote to memory of 1228	988	81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe	30
PID 524 wrote to memory of 1236	524	okvyt.exe	9
PID 524 wrote to memory of 1236	524	okvyt.exe	9
PID 524 wrote to memory of 1236	524	okvyt.exe	9
PID 524 wrote to memory of 1236	524	okvyt.exe	9
PID 524 wrote to memory of 1236	524	okvyt.exe	9
PID 524 wrote to memory of 1336	524	okvyt.exe	8
PID 524 wrote to memory of 1336	524	okvyt.exe	8
PID 524 wrote to memory of 1336	524	okvyt.exe	8
PID 524 wrote to memory of 1336	524	okvyt.exe	8
PID 524 wrote to memory of 1336	524	okvyt.exe	8
PID 524 wrote to memory of 1388	524	okvyt.exe	7
PID 524 wrote to memory of 1388	524	okvyt.exe	7
PID 524 wrote to memory of 1388	524	okvyt.exe	7
PID 524 wrote to memory of 1388	524	okvyt.exe	7
PID 524 wrote to memory of 1388	524	okvyt.exe	7
PID 524 wrote to memory of 1984	524	okvyt.exe	32
PID 524 wrote to memory of 1984	524	okvyt.exe	32
PID 524 wrote to memory of 1984	524	okvyt.exe	32
PID 524 wrote to memory of 1984	524	okvyt.exe	32
PID 524 wrote to memory of 1984	524	okvyt.exe	32
PID 524 wrote to memory of 2000	524	okvyt.exe	33
PID 524 wrote to memory of 2000	524	okvyt.exe	33
PID 524 wrote to memory of 2000	524	okvyt.exe	33
PID 524 wrote to memory of 2000	524	okvyt.exe	33
PID 524 wrote to memory of 2000	524	okvyt.exe	33
PID 524 wrote to memory of 840	524	okvyt.exe	34
PID 524 wrote to memory of 840	524	okvyt.exe	34
PID 524 wrote to memory of 840	524	okvyt.exe	34
PID 524 wrote to memory of 840	524	okvyt.exe	34
PID 524 wrote to memory of 840	524	okvyt.exe	34
PID 524 wrote to memory of 1732	524	okvyt.exe	35
PID 524 wrote to memory of 1732	524	okvyt.exe	35
PID 524 wrote to memory of 1732	524	okvyt.exe	35
PID 524 wrote to memory of 1732	524	okvyt.exe	35
PID 524 wrote to memory of 1732	524	okvyt.exe	35
PID 524 wrote to memory of 1160	524	okvyt.exe	36
PID 524 wrote to memory of 1160	524	okvyt.exe	36
PID 524 wrote to memory of 1160	524	okvyt.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1388
- C:\Users\Admin\AppData\Local\Temp\81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe
  "C:\Users\Admin\AppData\Local\Temp\81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Users\Admin\AppData\Local\Temp\81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe
    C:\Users\Admin\AppData\Local\Temp\81eb7a1a8f2e4a01246852cab421df53e693c8c0e78612f731cb16fad210b3b0.exe
    3⤵
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:988
  - - C:\Users\Admin\AppData\Roaming\Sali\okvyt.exe
      "C:\Users\Admin\AppData\Roaming\Sali\okvyt.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:572
    - - C:\Users\Admin\AppData\Roaming\Sali\okvyt.exe
        
        C:\Users\Admin\AppData\Roaming\Sali\okvyt.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:524
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp43a7bb14.bat"
      4⤵
      Deletes itself
      PID:1228

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1336

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1236

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1984

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:2000

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:840

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1732

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1160

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp43a7bb14.bat

Filesize
307B

MD5
dddf08b4068b689af8ad1824f5c7e305

SHA1
7bd32d85a90c527741f8c51ef37e0521a56f9862

SHA256
88800a76e3970ab91f6495f8c511b3e84474c5cc6851c1b0a57e4f7562cbb310

SHA512
546f115f486c0ca8c8bf327fb48ea83523a2c72711090e393eab5f467746fe4fec1e31b2aba277fb62e1b29e95f73a12a2313c152e09def04b80ecdada1a0d57

Download Submit
C:\Users\Admin\AppData\Roaming\Sali\okvyt.exe

Filesize
241KB

MD5
30e6891570dd52fab6158315b70a2ae4

SHA1
2ab24c10cf5019d5c788f48fa1e1ae1d987f3f11

SHA256
fa1345fe87d3861d59b597c8fde53434cbf2745862cfe4ca88a4c64bcfbe8ad0

SHA512
729a63bb538d6c4f4f633cd419dd33746edace67edd286b50fcb84b3ebf6e1946f901349760f669d3e42e86b0fddae51ef26b8334bbca42142a7d24262b63efc

Download Submit
C:\Users\Admin\AppData\Roaming\Sali\okvyt.exe

Filesize
241KB

MD5
30e6891570dd52fab6158315b70a2ae4

SHA1
2ab24c10cf5019d5c788f48fa1e1ae1d987f3f11

SHA256
fa1345fe87d3861d59b597c8fde53434cbf2745862cfe4ca88a4c64bcfbe8ad0

SHA512
729a63bb538d6c4f4f633cd419dd33746edace67edd286b50fcb84b3ebf6e1946f901349760f669d3e42e86b0fddae51ef26b8334bbca42142a7d24262b63efc

Download Submit
C:\Users\Admin\AppData\Roaming\Sali\okvyt.exe

Filesize
241KB

MD5
30e6891570dd52fab6158315b70a2ae4

SHA1
2ab24c10cf5019d5c788f48fa1e1ae1d987f3f11

SHA256
fa1345fe87d3861d59b597c8fde53434cbf2745862cfe4ca88a4c64bcfbe8ad0

SHA512
729a63bb538d6c4f4f633cd419dd33746edace67edd286b50fcb84b3ebf6e1946f901349760f669d3e42e86b0fddae51ef26b8334bbca42142a7d24262b63efc

Download Submit
\Users\Admin\AppData\Roaming\Sali\okvyt.exe

Filesize
241KB

MD5
30e6891570dd52fab6158315b70a2ae4

SHA1
2ab24c10cf5019d5c788f48fa1e1ae1d987f3f11

SHA256
fa1345fe87d3861d59b597c8fde53434cbf2745862cfe4ca88a4c64bcfbe8ad0

SHA512
729a63bb538d6c4f4f633cd419dd33746edace67edd286b50fcb84b3ebf6e1946f901349760f669d3e42e86b0fddae51ef26b8334bbca42142a7d24262b63efc

Download Submit
\Users\Admin\AppData\Roaming\Sali\okvyt.exe

Filesize
241KB

MD5
30e6891570dd52fab6158315b70a2ae4

SHA1
2ab24c10cf5019d5c788f48fa1e1ae1d987f3f11

SHA256
fa1345fe87d3861d59b597c8fde53434cbf2745862cfe4ca88a4c64bcfbe8ad0

SHA512
729a63bb538d6c4f4f633cd419dd33746edace67edd286b50fcb84b3ebf6e1946f901349760f669d3e42e86b0fddae51ef26b8334bbca42142a7d24262b63efc

Download Submit
memory/524-117-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/524-99-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/840-123-0x00000000005D0000-0x000000000060B000-memory.dmp

Filesize
236KB

Download
memory/840-122-0x00000000005D0000-0x000000000060B000-memory.dmp

Filesize
236KB

Download
memory/840-121-0x00000000005D0000-0x000000000060B000-memory.dmp

Filesize
236KB

Download
memory/840-120-0x00000000005D0000-0x000000000060B000-memory.dmp

Filesize
236KB

Download
memory/988-86-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/988-65-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/988-61-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/988-59-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/988-58-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/988-56-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/988-55-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1236-87-0x0000000000410000-0x000000000044B000-memory.dmp

Filesize
236KB

Download
memory/1236-88-0x0000000000410000-0x000000000044B000-memory.dmp

Filesize
236KB

Download
memory/1236-89-0x0000000000410000-0x000000000044B000-memory.dmp

Filesize
236KB

Download
memory/1236-90-0x0000000000410000-0x000000000044B000-memory.dmp

Filesize
236KB

Download
memory/1336-96-0x00000000002B0000-0x00000000002EB000-memory.dmp

Filesize
236KB

Download
memory/1336-97-0x00000000002B0000-0x00000000002EB000-memory.dmp

Filesize
236KB

Download
memory/1336-95-0x00000000002B0000-0x00000000002EB000-memory.dmp

Filesize
236KB

Download
memory/1336-94-0x00000000002B0000-0x00000000002EB000-memory.dmp

Filesize
236KB

Download
memory/1388-103-0x0000000002A70000-0x0000000002AAB000-memory.dmp

Filesize
236KB

Download
memory/1388-104-0x0000000002A70000-0x0000000002AAB000-memory.dmp

Filesize
236KB

Download
memory/1388-102-0x0000000002A70000-0x0000000002AAB000-memory.dmp

Filesize
236KB

Download
memory/1388-101-0x0000000002A70000-0x0000000002AAB000-memory.dmp

Filesize
236KB

Download
memory/1732-129-0x0000000000230000-0x000000000026B000-memory.dmp

Filesize
236KB

Download
memory/1732-128-0x0000000000230000-0x000000000026B000-memory.dmp

Filesize
236KB

Download
memory/1732-127-0x0000000000230000-0x000000000026B000-memory.dmp

Filesize
236KB

Download
memory/1732-126-0x0000000000230000-0x000000000026B000-memory.dmp

Filesize
236KB

Download
memory/1768-54-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1984-109-0x0000000003B90000-0x0000000003BCB000-memory.dmp

Filesize
236KB

Download
memory/1984-110-0x0000000003B90000-0x0000000003BCB000-memory.dmp

Filesize
236KB

Download
memory/1984-108-0x0000000003B90000-0x0000000003BCB000-memory.dmp

Filesize
236KB

Download
memory/1984-107-0x0000000003B90000-0x0000000003BCB000-memory.dmp

Filesize
236KB

Download
memory/2000-116-0x0000000000500000-0x000000000053B000-memory.dmp

Filesize
236KB

Download
memory/2000-115-0x0000000000500000-0x000000000053B000-memory.dmp

Filesize
236KB

Download
memory/2000-114-0x0000000000500000-0x000000000053B000-memory.dmp

Filesize
236KB

Download
memory/2000-113-0x0000000000500000-0x000000000053B000-memory.dmp

Filesize
236KB

Download