runningrat | 31d5bcd2e4ecd330a56fbef1826e7201532311c9a57ee44352a746ea8271a778

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7v20201028
submitted
11-02-2021 08:50

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General

Target

th520.exe
Size

96KB
MD5

fbbc4c6ce85624e7c35ce3f5ca988bbe
SHA1

346102549e0c1f9604266f8bda9f2fbd9ddf216b
SHA256

31d5bcd2e4ecd330a56fbef1826e7201532311c9a57ee44352a746ea8271a778
SHA512

c3fc14a7bbdedc1cfbda01d0e624d0ea6384427828c6cbff415bb2d5da5363d930a456e979f371f45835305f40d4b2a0a190c2355b624e042c4035ca6a067ded

Score

10^/10

runningrat persistence rat

Malware Config

Signatures

RunningRat
RunningRat is a remote access trojan first seen in 2018.
rat runningrat
Executes dropped EXE 1 IoCs

Processes:

SRDSL.exe

pid process

1288 SRDSL.exe
Sets DLL path for service in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Loads dropped DLL 7 IoCs

Processes:

th520.exesvchost.exeSRDSL.exe

pid process

528 th520.exe
1840 svchost.exe
1840 svchost.exe
1288 SRDSL.exe
1288 SRDSL.exe
1288 SRDSL.exe
1288 SRDSL.exe
Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description ioc process

File created C:\Windows\SysWOW64\SRDSL.exe svchost.exe
File opened for modification C:\Windows\SysWOW64\SRDSL.exe svchost.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

th520.exe

pid process

528 th520.exe
528 th520.exe
528 th520.exe
528 th520.exe
528 th520.exe
528 th520.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

th520.exe

pid process

528 th520.exe
528 th520.exe

pid	process
1288	SRDSL.exe

pid	process
528	th520.exe
1840	svchost.exe
1840	svchost.exe
1288	SRDSL.exe
1288	SRDSL.exe
1288	SRDSL.exe
1288	SRDSL.exe

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

pid	process
528	th520.exe
528	th520.exe
528	th520.exe
528	th520.exe
528	th520.exe
528	th520.exe

pid	process
528	th520.exe
528	th520.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 1840 wrote to memory of 1288	1840	svchost.exe	SRDSL.exe
PID 1840 wrote to memory of 1288	1840	svchost.exe	SRDSL.exe
PID 1840 wrote to memory of 1288	1840	svchost.exe	SRDSL.exe
PID 1840 wrote to memory of 1288	1840	svchost.exe	SRDSL.exe

C:\Users\Admin\AppData\Local\Temp\th520.exe
"C:\Users\Admin\AppData\Local\Temp\th520.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:528

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
1⤵
PID:1856

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:1840
- C:\Windows\SysWOW64\SRDSL.exe
  C:\Windows\system32\SRDSL.exe "c:\users\admin\appdata\local\temp\259288356.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1288

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\users\admin\appdata\local\temp\259288356.dll

MD5
61812d6eedf71873a467d58a433a978c

SHA1
967027fae0d90dd17186efff5c43115176c4caa2

SHA256
a497b74dcf8b25bae715a0c9307aa8c89047556b6955b4e76a2339a624a21655

SHA512
b8aa174bd88f2aae0e399bd9cd9f76671b2bf05f773646c60662fb030e51dc7cd174d71bf0e486daf0a93b5b3824437ed47e7380616ebaa6f9ca5c484207f0f0

Download Submit
\Users\Admin\AppData\Local\Temp\259288356.dll

MD5
61812d6eedf71873a467d58a433a978c

SHA1
967027fae0d90dd17186efff5c43115176c4caa2

SHA256
a497b74dcf8b25bae715a0c9307aa8c89047556b6955b4e76a2339a624a21655

SHA512
b8aa174bd88f2aae0e399bd9cd9f76671b2bf05f773646c60662fb030e51dc7cd174d71bf0e486daf0a93b5b3824437ed47e7380616ebaa6f9ca5c484207f0f0

Download Submit
\Users\Admin\AppData\Local\Temp\259288356.dll

MD5
61812d6eedf71873a467d58a433a978c

SHA1
967027fae0d90dd17186efff5c43115176c4caa2

SHA256
a497b74dcf8b25bae715a0c9307aa8c89047556b6955b4e76a2339a624a21655

SHA512
b8aa174bd88f2aae0e399bd9cd9f76671b2bf05f773646c60662fb030e51dc7cd174d71bf0e486daf0a93b5b3824437ed47e7380616ebaa6f9ca5c484207f0f0

Download Submit
\Users\Admin\AppData\Local\Temp\259288356.dll

MD5
61812d6eedf71873a467d58a433a978c

SHA1
967027fae0d90dd17186efff5c43115176c4caa2

SHA256
a497b74dcf8b25bae715a0c9307aa8c89047556b6955b4e76a2339a624a21655

SHA512
b8aa174bd88f2aae0e399bd9cd9f76671b2bf05f773646c60662fb030e51dc7cd174d71bf0e486daf0a93b5b3824437ed47e7380616ebaa6f9ca5c484207f0f0

Download Submit
\Users\Admin\AppData\Local\Temp\259288356.dll

MD5
61812d6eedf71873a467d58a433a978c

SHA1
967027fae0d90dd17186efff5c43115176c4caa2

SHA256
a497b74dcf8b25bae715a0c9307aa8c89047556b6955b4e76a2339a624a21655

SHA512
b8aa174bd88f2aae0e399bd9cd9f76671b2bf05f773646c60662fb030e51dc7cd174d71bf0e486daf0a93b5b3824437ed47e7380616ebaa6f9ca5c484207f0f0

Download Submit
\Users\Admin\AppData\Local\Temp\259288356.dll

MD5
61812d6eedf71873a467d58a433a978c

SHA1
967027fae0d90dd17186efff5c43115176c4caa2

SHA256
a497b74dcf8b25bae715a0c9307aa8c89047556b6955b4e76a2339a624a21655

SHA512
b8aa174bd88f2aae0e399bd9cd9f76671b2bf05f773646c60662fb030e51dc7cd174d71bf0e486daf0a93b5b3824437ed47e7380616ebaa6f9ca5c484207f0f0

Download Submit
\Users\Admin\AppData\Local\Temp\259288356.dll

MD5
61812d6eedf71873a467d58a433a978c

SHA1
967027fae0d90dd17186efff5c43115176c4caa2

SHA256
a497b74dcf8b25bae715a0c9307aa8c89047556b6955b4e76a2339a624a21655

SHA512
b8aa174bd88f2aae0e399bd9cd9f76671b2bf05f773646c60662fb030e51dc7cd174d71bf0e486daf0a93b5b3824437ed47e7380616ebaa6f9ca5c484207f0f0

Download Submit
\Windows\SysWOW64\SRDSL.exe

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/528-2-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1288-7-0x0000000000000000-mapping.dmp

Download