d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8

Analysis

max time kernel
151s
max time network
156s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 22:25

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General

Target

d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
Size

91KB
MD5

49824f49ab35fcbc12d9b01c5af06816
SHA1

ff8418fc41e87649cc0b24d326fed25f19816ffd
SHA256

d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8
SHA512

7418cdfe7cafd57cf815510c06c16081ad2228e1c359e6877882873224c1a4ae4edd9fc412a11f92ecc218ce85e00d6146a1fea6631006a7f1fd6c7b1d6492f2
SSDEEP

1536:LxETPkgcky/Vht7ILmkAP3T3pzJuhyicgcqd33+9fAbsZ7Yg53zf5ej:LWT3yCfUZfucU3s+q8g53zfA

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
996	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\\7092055.dll"	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe

Loads dropped DLL 7 IoCs

pid	Process
1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
1932	svchost.exe
1932	svchost.exe
996	SRDSL.exe
996	SRDSL.exe
996	SRDSL.exe
996	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
1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
Token: SeBackupPrivilege	1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
1364	d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 996	1932	svchost.exe	28
PID 1932 wrote to memory of 996	1932	svchost.exe	28
PID 1932 wrote to memory of 996	1932	svchost.exe	28
PID 1932 wrote to memory of 996	1932	svchost.exe	28

C:\Users\Admin\AppData\Local\Temp\d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.exe
"C:\Users\Admin\AppData\Local\Temp\d4718f83804b97ff859e94d8964e7b9093e4e394e5a77a29b8d592bd03cafbf8.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:1364

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
1⤵
PID:1356

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:1932
- C:\Windows\SysWOW64\SRDSL.exe
  C:\Windows\system32\SRDSL.exe "c:\users\admin\appdata\local\temp\7092055.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:996

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\7092055.dll

Filesize
29KB

MD5
01ea54b8eee0f00c20f817ca47f599c5

SHA1
69f6941fa4b7467e55882272d3705a2f79a9026b

SHA256
9b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957

SHA512
ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620

Download Submit
\Users\Admin\AppData\Local\Temp\7092055.dll

Filesize
29KB

MD5
01ea54b8eee0f00c20f817ca47f599c5

SHA1
69f6941fa4b7467e55882272d3705a2f79a9026b

SHA256
9b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957

SHA512
ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620

Download Submit
\Users\Admin\AppData\Local\Temp\7092055.dll

Filesize
29KB

MD5
01ea54b8eee0f00c20f817ca47f599c5

SHA1
69f6941fa4b7467e55882272d3705a2f79a9026b

SHA256
9b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957

SHA512
ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620

Download Submit
\Users\Admin\AppData\Local\Temp\7092055.dll

Filesize
29KB

MD5
01ea54b8eee0f00c20f817ca47f599c5

SHA1
69f6941fa4b7467e55882272d3705a2f79a9026b

SHA256
9b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957

SHA512
ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620

Download Submit
\Users\Admin\AppData\Local\Temp\7092055.dll

Filesize
29KB

MD5
01ea54b8eee0f00c20f817ca47f599c5

SHA1
69f6941fa4b7467e55882272d3705a2f79a9026b

SHA256
9b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957

SHA512
ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620

Download Submit
\Users\Admin\AppData\Local\Temp\7092055.dll

Filesize
29KB

MD5
01ea54b8eee0f00c20f817ca47f599c5

SHA1
69f6941fa4b7467e55882272d3705a2f79a9026b

SHA256
9b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957

SHA512
ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620

Download Submit
\Users\Admin\AppData\Local\Temp\7092055.dll

Filesize
29KB

MD5
01ea54b8eee0f00c20f817ca47f599c5

SHA1
69f6941fa4b7467e55882272d3705a2f79a9026b

SHA256
9b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957

SHA512
ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620

Download Submit
\Windows\SysWOW64\SRDSL.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1364-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1364-58-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download