xtremerat | 70ecb660294a422b52617a40c4e3e52bcd8eb91395542b38c57d8fc7974f74a5

General

Target

JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe
Size

316KB
MD5

139f03987f5c90dd2ddf1f15b3b6f7e9
SHA1

6976fd24a8a21e2443dde5141c6888d5c9beb99a
SHA256

70ecb660294a422b52617a40c4e3e52bcd8eb91395542b38c57d8fc7974f74a5
SHA512

306803f4527282672110eabc9b81a81f0b78c6a7dc3ec69b2306f9b7d8798c0fbdd9ec6ff622536511f3183912f64eefa602f8f03291d75b788394f0dc1f2962
SSDEEP

3072:QUBTiskTuBL8ueZWt+VrqRHgG5FOEYYKvYut1yaHnd1OXHWVrqRHgG5FOEYYKvYJ:QlZZrqRHuxYK91b1+KrqRHuxYK9Y

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 9 IoCs

resource	yara_rule
behavioral2/memory/3316-5-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/3316-7-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/3316-8-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/3236-10-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/1416-11-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/3316-12-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/1416-14-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/3236-15-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/1416-16-0x0000000010000000-0x000000001004C000-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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8O66RISW-M651-BE05-4RF2-T3HE2S57RXN6}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	notepad.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{8O66RISW-M651-BE05-4RF2-T3HE2S57RXN6}	notepad.exe

Adds Run key to start application 2 TTPs 3 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\jsdkhds = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\skldjlksda = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sdkljf = "%SEklajdlasdR%"	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1492 set thread context of 3316	1492	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	91

Drops file in Windows directory 2 IoCs

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

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
5092	3236	WerFault.exe	92
1528	1416	WerFault.exe	93
2332	3236	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 4 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_139f03987f5c90dd2ddf1f15b3b6f7e9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1492	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe
1416	notepad.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 3316	1492	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	91
PID 1492 wrote to memory of 3316	1492	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	91
PID 1492 wrote to memory of 3316	1492	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	91
PID 1492 wrote to memory of 3316	1492	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	91
PID 1492 wrote to memory of 3316	1492	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	91
PID 1492 wrote to memory of 3316	1492	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	91
PID 1492 wrote to memory of 3316	1492	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	91
PID 3316 wrote to memory of 3236	3316	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	92
PID 3316 wrote to memory of 3236	3316	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	92
PID 3316 wrote to memory of 3236	3316	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	92
PID 3316 wrote to memory of 3236	3316	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	92
PID 3316 wrote to memory of 1416	3316	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	93
PID 3316 wrote to memory of 1416	3316	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	93
PID 3316 wrote to memory of 1416	3316	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	93
PID 3316 wrote to memory of 1416	3316	JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_139f03987f5c90dd2ddf1f15b3b6f7e9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3316
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3236
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 484
      4⤵
      Program crash
      PID:5092
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 492
      4⤵
      Program crash
      PID:2332
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1416
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 972
      4⤵
      Program crash
      PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3236 -ip 3236
1⤵
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1416 -ip 1416
1⤵
PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3236 -ip 3236
1⤵
PID:3988

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/1416-11-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1416-14-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1416-16-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3236-10-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3236-15-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3316-2-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3316-4-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3316-5-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3316-7-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3316-9-0x0000000002190000-0x0000000002193000-memory.dmp

Filesize
12KB

Download
memory/3316-8-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3316-12-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads