xtremerat | c569d6c7b582827d7e0d88abf43dc3d1bb32b592a62eb6680ef6003ddac8f7d1

General

Target

JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe
Size

122KB
MD5

b909c3fc98345b9be8e0506262e622f0
SHA1

75877e0e7667cdc8a582bd73efa8e7eb14a80d25
SHA256

c569d6c7b582827d7e0d88abf43dc3d1bb32b592a62eb6680ef6003ddac8f7d1
SHA512

b5f6ad5c24138b22bae7565fc30c42652c1f0ddc5a0247203ff582ccd121f03eb977680df8eede76d300e9669f815164f448ed8c6c117560d3b08965f16c1ec8
SSDEEP

3072:DeO8mnblktLMMMMMMMMMMMMMMMMMMMMMM0CyBRPC13CG6IeqXjERCMyKFfJ2oeLW:1lkVMMMMMMMMMMMMMMMMMMMMMM0CyBRj

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

iko.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2860-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/5480-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2860-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/5480-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2860-11-0x0000000010000000-0x000000001004A000-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
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\{1Y66YQL2-B206-7480-WT30-40P4DFF523A7}	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1Y66YQL2-B206-7480-WT30-40P4DFF523A7}\StubPath = "C:\\Windows\\ubisofmo\\Startsl.exe restart"	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.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\adobeWinwHKLM = "C:\\Windows\\ubisofmo\\Startsl.exe"	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adobeWinwHKCU = "C:\\Windows\\ubisofmo\\Startsl.exe"	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\ubisofmo\\Startsl.exe"	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2616 set thread context of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2860-2-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/2860-4-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/2860-5-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/2860-6-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/5480-7-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/2860-9-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/5480-10-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/2860-11-0x0000000010000000-0x000000001004A000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ubisofmo\Startsl.exe	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe
File opened for modification	C:\Windows\ubisofmo\Startsl.exe	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.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
1928	5480	WerFault.exe	88
1132	5480	WerFault.exe	88

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_b909c3fc98345b9be8e0506262e622f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe
2860	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86
PID 2616 wrote to memory of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86
PID 2616 wrote to memory of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86
PID 2616 wrote to memory of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86
PID 2616 wrote to memory of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86
PID 2616 wrote to memory of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86
PID 2616 wrote to memory of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86
PID 2616 wrote to memory of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86
PID 2616 wrote to memory of 2860	2616	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	86
PID 2860 wrote to memory of 5480	2860	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	88
PID 2860 wrote to memory of 5480	2860	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	88
PID 2860 wrote to memory of 5480	2860	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	88
PID 2860 wrote to memory of 5480	2860	JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b909c3fc98345b9be8e0506262e622f0.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:2860
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5480
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5480 -s 484
      4⤵
      Program crash
      PID:1928
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5480 -s 488
      4⤵
      Program crash
      PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5480 -ip 5480
1⤵
PID:1888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 5480 -ip 5480
1⤵
PID:2108

Network

MITRE ATT&CK Enterprise v16

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

Loading Replay Monitor...

Downloads

memory/2860-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2860-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2860-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2860-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2860-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2860-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5480-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5480-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads