172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21

Analysis

max time kernel
143s
max time network
150s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28-11-2022 06:29

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General

Target

172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
Size

78KB
MD5

c570ee611c48429227db6e72b023b4f6
SHA1

0ba0db44e366d4f8e1e8f43cfaf3d055dfc56bfd
SHA256

172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21
SHA512

42fa760b5f9fc635e3a909335103df497b0139b8622abd27bdb75e4fe3dd4c74132720ea1912d6e02ea3a077b2db9189c19842981bde3c54f888b795a0bdece3
SSDEEP

1536:dxETPkgcky/Vht7ILmkAP3S3pzJuhyicgcqd33+9fAbsZ7Yg53zf:dWT3yCfnZfucU3s+q8g53zf

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1232	SRDSL.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SRDSL\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7077780.dll"	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe

Loads dropped DLL 7 IoCs

pid	Process
1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
1348	svchost.exe
1348	svchost.exe
1232	SRDSL.exe
1232	SRDSL.exe
1232	SRDSL.exe
1232	SRDSL.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\SRDSL.exe	svchost.exe
File created	C:\Windows\SysWOW64\SRDSL.exe	svchost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
Token: SeBackupPrivilege	1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
1668	172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 1232	1348	svchost.exe	29
PID 1348 wrote to memory of 1232	1348	svchost.exe	29
PID 1348 wrote to memory of 1232	1348	svchost.exe	29
PID 1348 wrote to memory of 1232	1348	svchost.exe	29

C:\Users\Admin\AppData\Local\Temp\172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe
"C:\Users\Admin\AppData\Local\Temp\172ad6fbb2e66c84d2e233a65d9d84ad069e6cc21f313561abb4cb9a5aa6dd21.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1668

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
1⤵
PID:684

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Windows\SysWOW64\SRDSL.exe
  C:\Windows\system32\SRDSL.exe "c:\users\admin\appdata\local\temp\7077780.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1232

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:\Windows\SysWOW64\SRDSL.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\SysWOW64\SRDSL.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\users\admin\appdata\local\temp\7077780.dll

Filesize
29KB

MD5
02bdf4e206012745b6b563bdf4a8de8c

SHA1
d0a515b269a7219bd1441f55b0fd3356fdd34503

SHA256
f98c3b652a3d3e80335d09b0e5dc5a8bb798c46252478459451ec92527c7318f

SHA512
35edbf9c8463a624621d9a08d832c3c45b39b0de0fa80e107729c72919af06b6d945e9e3556ae465d85929e17d67ed6765df322fdd0c2f2b44f9c3af6c1e9e63

Download Submit
\Users\Admin\AppData\Local\Temp\7077780.dll

Filesize
29KB

MD5
02bdf4e206012745b6b563bdf4a8de8c

SHA1
d0a515b269a7219bd1441f55b0fd3356fdd34503

SHA256
f98c3b652a3d3e80335d09b0e5dc5a8bb798c46252478459451ec92527c7318f

SHA512
35edbf9c8463a624621d9a08d832c3c45b39b0de0fa80e107729c72919af06b6d945e9e3556ae465d85929e17d67ed6765df322fdd0c2f2b44f9c3af6c1e9e63

Download Submit
\Users\Admin\AppData\Local\Temp\7077780.dll

Filesize
29KB

MD5
02bdf4e206012745b6b563bdf4a8de8c

SHA1
d0a515b269a7219bd1441f55b0fd3356fdd34503

SHA256
f98c3b652a3d3e80335d09b0e5dc5a8bb798c46252478459451ec92527c7318f

SHA512
35edbf9c8463a624621d9a08d832c3c45b39b0de0fa80e107729c72919af06b6d945e9e3556ae465d85929e17d67ed6765df322fdd0c2f2b44f9c3af6c1e9e63

Download Submit
\Users\Admin\AppData\Local\Temp\7077780.dll

Filesize
29KB

MD5
02bdf4e206012745b6b563bdf4a8de8c

SHA1
d0a515b269a7219bd1441f55b0fd3356fdd34503

SHA256
f98c3b652a3d3e80335d09b0e5dc5a8bb798c46252478459451ec92527c7318f

SHA512
35edbf9c8463a624621d9a08d832c3c45b39b0de0fa80e107729c72919af06b6d945e9e3556ae465d85929e17d67ed6765df322fdd0c2f2b44f9c3af6c1e9e63

Download Submit
\Users\Admin\AppData\Local\Temp\7077780.dll

Filesize
29KB

MD5
02bdf4e206012745b6b563bdf4a8de8c

SHA1
d0a515b269a7219bd1441f55b0fd3356fdd34503

SHA256
f98c3b652a3d3e80335d09b0e5dc5a8bb798c46252478459451ec92527c7318f

SHA512
35edbf9c8463a624621d9a08d832c3c45b39b0de0fa80e107729c72919af06b6d945e9e3556ae465d85929e17d67ed6765df322fdd0c2f2b44f9c3af6c1e9e63

Download Submit
\Users\Admin\AppData\Local\Temp\7077780.dll

Filesize
29KB

MD5
02bdf4e206012745b6b563bdf4a8de8c

SHA1
d0a515b269a7219bd1441f55b0fd3356fdd34503

SHA256
f98c3b652a3d3e80335d09b0e5dc5a8bb798c46252478459451ec92527c7318f

SHA512
35edbf9c8463a624621d9a08d832c3c45b39b0de0fa80e107729c72919af06b6d945e9e3556ae465d85929e17d67ed6765df322fdd0c2f2b44f9c3af6c1e9e63

Download Submit
\Users\Admin\AppData\Local\Temp\7077780.dll

Filesize
29KB

MD5
02bdf4e206012745b6b563bdf4a8de8c

SHA1
d0a515b269a7219bd1441f55b0fd3356fdd34503

SHA256
f98c3b652a3d3e80335d09b0e5dc5a8bb798c46252478459451ec92527c7318f

SHA512
35edbf9c8463a624621d9a08d832c3c45b39b0de0fa80e107729c72919af06b6d945e9e3556ae465d85929e17d67ed6765df322fdd0c2f2b44f9c3af6c1e9e63

Download Submit
\Windows\SysWOW64\SRDSL.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1668-58-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1668-62-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1668-59-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1668-54-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1668-57-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1668-56-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download