xtremerat | babe46aab4b0f26671819e3bee3a77d7041286369fa977ad19ed89e4147bec1e

General

Target

cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe
Size

268KB
MD5

cbf328774aa72ac196267e069e4fea4d
SHA1

60daf10b4b95523d3e244874ad43051e94558b53
SHA256

babe46aab4b0f26671819e3bee3a77d7041286369fa977ad19ed89e4147bec1e
SHA512

11117db718226215f3afa6b47693175eb0e17aa2ef6dc572097e2458e4a2e097e2745aa261cede815300d065fbcd12a08a6556ca82017684ab8b691a1e1b0371
SSDEEP

1536:xnpUVLADIlxhyiXSyqzQOKDKtWnyMQrD91pFhuEGK:xpUV4IlrXSyrOkfna1pSEG

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/3688-2-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/3688-3-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/3688-4-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/3688-5-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/3492-6-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/3688-9-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/3492-10-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/3688-11-0x0000000010000000-0x0000000010045000-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}	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.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\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃啜敳獲䅜浤湩䅜灰慄慴䱜捯污呜浥屰扣㍦㠲㜷愴㝡愲ㅣ㘹㘲攷㘰改昴慥搴䩟晡慦慃敫ㅳ㠱䔮䕘"	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2096 set thread context of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE
File created	C:\Windows\InstallDir\Server.exe	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE
File opened for modification	C:\Windows\InstallDir\	cbf328774aa72ac196267e069e4fea4d_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
4192	3492	WerFault.exe	83
3624	3492	WerFault.exe	83

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	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe
3688	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 2096 wrote to memory of 3688	2096	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe	82
PID 3688 wrote to memory of 3492	3688	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE	83
PID 3688 wrote to memory of 3492	3688	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE	83
PID 3688 wrote to memory of 3492	3688	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE	83
PID 3688 wrote to memory of 3492	3688	cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE	83

C:\Users\Admin\AppData\Local\Temp\cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Local\Temp\cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE
  "C:\Users\Admin\AppData\Local\Temp\cbf328774aa72ac196267e069e4fea4d_JaffaCakes118.EXE"
  2⤵
  - 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
  - Suspicious use of WriteProcessMemory
  PID:3688
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3492
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 480
      4⤵
      Program crash
      PID:4192
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 488
      4⤵
      Program crash
      PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3492 -ip 3492
1⤵
PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3492 -ip 3492
1⤵
PID:3952

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/3492-6-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/3492-10-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/3688-2-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/3688-3-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/3688-4-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/3688-5-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/3688-9-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/3688-11-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads