xtremerat | 66664b8805b5a084925ac565d2a96dafdf9bbae63020623625d542d7a0131072

General

Target

59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe
Size

664KB
MD5

59c39e77c1aa947761edf957d79390c8
SHA1

d17bf1a2587b20fc6dbab6d8c4eaed0c14054178
SHA256

66664b8805b5a084925ac565d2a96dafdf9bbae63020623625d542d7a0131072
SHA512

c30dcff0498c902c8ce4666562f7a09351db6b13f70a2c814b5ac40c1fb17bb624773df5c8c6939ba2f2355377c1abe32ace383babeec153d4122aba4e230262
SSDEEP

12288:B05Rq34RNtJRbdbRrBERq34RNtJRbdbR:uRc4RNtJRbdFrGRc4RNtJRbdF

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

amir.no-ip.info

amir1.no-ip.info

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/4040-2-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/4040-3-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/4040-4-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/4040-5-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/1436-6-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/4040-9-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/1436-11-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/4040-12-0x0000000010000000-0x0000000010045000-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

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\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	59c39e77c1aa947761edf957d79390c8_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\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃啜敳獲䅜浤湩䅜灰慄慴䱜捯污呜浥屰㤵㍣改㜷ㅣ慡㐹㜷ㄶ摥㥦㜵㝤㌹〹㡣䩟晡慦慃敫ㅳ㠱䔮䕘"	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1408 set thread context of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE
File created	C:\Windows\InstallDir\Server.exe	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE
File opened for modification	C:\Windows\InstallDir\	59c39e77c1aa947761edf957d79390c8_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
3940	1436	WerFault.exe	85
2720	1436	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	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe
4040	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 1408 wrote to memory of 4040	1408	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe	84
PID 4040 wrote to memory of 1436	4040	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE	85
PID 4040 wrote to memory of 1436	4040	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE	85
PID 4040 wrote to memory of 1436	4040	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE	85
PID 4040 wrote to memory of 1436	4040	59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE	85

C:\Users\Admin\AppData\Local\Temp\59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\59c39e77c1aa947761edf957d79390c8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\59c39e77c1aa947761edf957d79390c8_JaffaCakes118.EXE
  "C:\Users\Admin\AppData\Local\Temp\59c39e77c1aa947761edf957d79390c8_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:4040
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1436
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 488
      4⤵
      Program crash
      PID:3940
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 508
      4⤵
      Program crash
      PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1436 -ip 1436
1⤵
PID:4752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1436 -ip 1436
1⤵
PID:4976

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/1436-6-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/1436-11-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/4040-2-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/4040-3-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/4040-4-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/4040-5-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/4040-9-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/4040-12-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads