xtremerat | 9e57bf4bc762cd20e27fea1c5476bc88849c4b0c96485ed68f31d7ab769d7da0

General

Target

45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe
Size

142KB
MD5

45b23bd16a44f444838f5df8958fedb7
SHA1

f04ae4062806d1d06495bdebcfede2b48e715a1a
SHA256

9e57bf4bc762cd20e27fea1c5476bc88849c4b0c96485ed68f31d7ab769d7da0
SHA512

17beee92463b85d7a3791b2946a78992aa6191156d963c3d65450f61c813a1b5393daa4a962503b23b50048c3bb8f195b3d1322ad37d62c4d09183805ba9280a
SSDEEP

3072:mPaZ0JKF3hPSMN+uHdSJYFMPO+YrthhUWTSb1B8Z:Wd0PdSSSPE5hyWTSbj8

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

cosasinteresantes.no-ip.org

Signatures

Detect XtremeRAT payload 9 IoCs

resource	yara_rule
behavioral2/memory/544-20-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/544-21-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/544-22-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/544-25-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4060-26-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/544-29-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/544-30-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4060-31-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/544-32-0x0000000010000000-0x000000001004A000-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

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\{N7FD2MCN-OA1L-312A-R45J-46B5X1QCW80O}	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{N7FD2MCN-OA1L-312A-R45J-46B5X1QCW80O}\StubPath = "C:\\Windows\\system32\\iexplore\\iexplore.exe restart"	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 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\\iexplore\\iexplore.exe"	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\iexplore\\iexplore.exe"	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\iexplore\iexplore.exe	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\iexplore\iexplore.exe	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\iexplore\	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4588 set thread context of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4324	4060	WerFault.exe	85
3588	4060	WerFault.exe	85

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	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe
544	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 4588 wrote to memory of 544	4588	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	84
PID 544 wrote to memory of 4060	544	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	85
PID 544 wrote to memory of 4060	544	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	85
PID 544 wrote to memory of 4060	544	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	85
PID 544 wrote to memory of 4060	544	45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Users\Admin\AppData\Local\Temp\45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\45b23bd16a44f444838f5df8958fedb7_JaffaCakes118.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 SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:544
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 488
      4⤵
      Program crash
      PID:4324
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 496
      4⤵
      Program crash
      PID:3588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4060 -ip 4060
1⤵
PID:1676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4060 -ip 4060
1⤵
PID:3848

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

Replay Monitor

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Downloads

memory/544-20-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/544-32-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/544-30-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/544-29-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/544-25-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/544-22-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/544-21-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4060-31-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4060-26-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4588-13-0x0000000002590000-0x00000000025A0000-memory.dmp

Filesize
64KB

Download
memory/4588-6-0x0000000002510000-0x0000000002520000-memory.dmp

Filesize
64KB

Download
memory/4588-9-0x0000000002550000-0x0000000002560000-memory.dmp

Filesize
64KB

Download
memory/4588-11-0x0000000002570000-0x0000000002580000-memory.dmp

Filesize
64KB

Download
memory/4588-12-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/4588-8-0x0000000002530000-0x0000000002540000-memory.dmp

Filesize
64KB

Download
memory/4588-7-0x0000000002520000-0x0000000002530000-memory.dmp

Filesize
64KB

Download
memory/4588-0-0x0000000000400000-0x0000000000424800-memory.dmp

Filesize
146KB

Download
memory/4588-24-0x0000000000400000-0x0000000000424800-memory.dmp

Filesize
146KB

Download
memory/4588-10-0x0000000002560000-0x0000000002570000-memory.dmp

Filesize
64KB

Download
memory/4588-15-0x00000000025B0000-0x00000000025C0000-memory.dmp

Filesize
64KB

Download
memory/4588-16-0x00000000025D0000-0x00000000025E0000-memory.dmp

Filesize
64KB

Download
memory/4588-17-0x00000000025E0000-0x00000000025F0000-memory.dmp

Filesize
64KB

Download
memory/4588-4-0x00000000024F0000-0x0000000002500000-memory.dmp

Filesize
64KB

Download
memory/4588-14-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4588-5-0x0000000002500000-0x0000000002510000-memory.dmp

Filesize
64KB

Download
memory/4588-1-0x0000000000510000-0x0000000000520000-memory.dmp

Filesize
64KB

Download
memory/4588-2-0x0000000000520000-0x0000000000530000-memory.dmp

Filesize
64KB

Download
memory/4588-3-0x00000000024E0000-0x00000000024F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads