runningrat | 8100783372daa78409859d33e26e64dd2a34fb7f945426b83b25f06e3c09a625

General

Target

177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe
Size

48KB
MD5

177f14ed35b25dcf4ffbcd1f021fb676
SHA1

ae362ea9477cdf633ee9b76b876be73c1e2a389c
SHA256

8100783372daa78409859d33e26e64dd2a34fb7f945426b83b25f06e3c09a625
SHA512

7ba8acf7c05f0dfb5c466a976343829d82560209f892a0b743b941eba5ca22aa022920b577d485f98047ed234ae991b6c3a7deca36b2cfcad4764dd9c7431111
SSDEEP

768:Xynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67GhPA2:Ib1MsHz3JDwhyWr+N95OTga6r2

Score

10^/10

runningrat persistence rat

Malware Config

Signatures

RunningRat
RunningRat is a remote access trojan first seen in 2018.
rat runningrat

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\csrss\Parameters\ServiceDll = "C:\\Windows\\system32\\259396138.dll"	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1804	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	csrss.exe

Loads dropped DLL 7 IoCs

pid	Process
2960	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe
1248	svchost.exe
1248	svchost.exe
2852	csrss.exe
2852	csrss.exe
2852	csrss.exe
2852	csrss.exe

Creates a Windows Service
persistence

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259396138.dll	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\csrss.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\csrss.exe	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2156	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2960	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2960	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2960	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 1804	2960	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe	30
PID 2960 wrote to memory of 1804	2960	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe	30
PID 2960 wrote to memory of 1804	2960	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe	30
PID 2960 wrote to memory of 1804	2960	177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe	30
PID 1804 wrote to memory of 2156	1804	cmd.exe	32
PID 1804 wrote to memory of 2156	1804	cmd.exe	32
PID 1804 wrote to memory of 2156	1804	cmd.exe	32
PID 1804 wrote to memory of 2156	1804	cmd.exe	32
PID 1248 wrote to memory of 2852	1248	svchost.exe	33
PID 1248 wrote to memory of 2852	1248	svchost.exe	33
PID 1248 wrote to memory of 2852	1248	svchost.exe	33
PID 1248 wrote to memory of 2852	1248	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\177f14ed35b25dcf4ffbcd1f021fb676_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:2156

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "csrss"
1⤵
PID:3000

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "csrss"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\SysWOW64\csrss.exe
  C:\Windows\system32\csrss.exe "c:\windows\system32\259396138.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\259396138.dll

Filesize
25KB

MD5
e15e36ac073f290b42b612e0cb50232f

SHA1
29ffa1fc5c1c0266a41a4d35cc1011c3bb224c84

SHA256
6a14fdbcee2e2292fdad61e69359751979c737c5bc919f6818b47925a4f420e2

SHA512
70159af6d56483594bc993d9b69a7312c74a20c8a33d69c8fab63d0a0d05daa3e3fe0277fe8b045522e2457a10c6aaff08a0c6c7dc2f65dca2061221d0b6b2aa

Download Submit
\Windows\SysWOW64\csrss.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads