xtremerat | 2323724af4fd58a083f07f696d879729493d185d566f4f373fd16ffd1cf5ee6f

General

Target

JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
Size

384KB
MD5

ee77686cb80ddfac352f06e05eeb884d
SHA1

6894c909eb891126a33fa3c7d78dce63560731d1
SHA256

2323724af4fd58a083f07f696d879729493d185d566f4f373fd16ffd1cf5ee6f
SHA512

37131c71e83d7266ccdc9af52b669eea5222b759d90206fd182a43a016e8948f292214986aceb269af527416408c5e89756642b5b5c30885bded6e3e9a04fb73
SSDEEP

3072:JehbyEuiU6MScVni0L4K0WR7PLeMaWUH/78Y2XoS5GstUcV8OfybzyiJS:JScNtLrxDeMabHTh24SntU08K

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2532-2-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2532-3-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2532-4-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2532-5-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2596-11-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2532-12-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2596-14-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat
Xtremerat family
xtremerat

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart"	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe"	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\sestems = "C:\\Windows\\system32\\InstallDir\\Server.exe"	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\sestems = "C:\\Windows\\system32\\InstallDir\\Server.exe"	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\Server.exe	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
File created	C:\Windows\SysWOW64\InstallDir\Server.exe	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2176 set thread context of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
2596	notepad.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2176 wrote to memory of 2532	2176	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	30
PID 2532 wrote to memory of 2596	2532	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	31
PID 2532 wrote to memory of 2596	2532	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	31
PID 2532 wrote to memory of 2596	2532	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	31
PID 2532 wrote to memory of 2596	2532	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	31
PID 2532 wrote to memory of 2596	2532	JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee77686cb80ddfac352f06e05eeb884d.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2532-2-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2532-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2532-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2532-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2532-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2596-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2596-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2596-14-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads