xtremerat | 28f0dde837d3e7b4dd12ac6cd74c757a251c35de98495e0c0018905eeff3f069

General

Target

JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
Size

113KB
MD5

c23af29a7294c4b0349ef3b260aac5bf
SHA1

7d5c8ae5b31b47524b0d8178213b1ee0e0fd8193
SHA256

28f0dde837d3e7b4dd12ac6cd74c757a251c35de98495e0c0018905eeff3f069
SHA512

4524d7b363e1e18c8cf9ff1f4f3ebf0cb9c80e792c867d780bcf8325d1ea0a9a79117af8e596040225d706c93856794ce6364e08cae851a7cecb5faa9f9a6714
SSDEEP

1536:8Nl4rcZPBGpQAiTgxLhLij8+4MNBp1g9DLcgmkkU8rlt8FwD:8YrcvGp5lxLhLlMNfGpzmPrrIFwD

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\Salgeny0.no-ip.biz

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/1572-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1572-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1572-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1572-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4512-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1572-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4512-13-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1572-14-0x0000000010000000-0x000000001004A000-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\{2873LQ5R-MHDL-480L-SR11-C336IM4ILXDO}	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2873LQ5R-MHDL-480L-SR11-C336IM4ILXDO}\StubPath = "C:\\Windows\\syst\\svchost.exe restart"	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.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\\syst\\svchost.exe"	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\syst\\svchost.exe"	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU01 = "C:\\Windows\\syst\\svchost.exe"	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5104 set thread context of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\syst\svchost.exe	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
File created	C:\Windows\syst\svchost.exe	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.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
3640	4512	WerFault.exe	83
2056	4512	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	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
1572	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 5104 wrote to memory of 1572	5104	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	82
PID 1572 wrote to memory of 4512	1572	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	83
PID 1572 wrote to memory of 4512	1572	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	83
PID 1572 wrote to memory of 4512	1572	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	83
PID 1572 wrote to memory of 4512	1572	JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.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:1572
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 248
      4⤵
      Program crash
      PID:3640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 488
      4⤵
      Program crash
      PID:2056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4512 -ip 4512
1⤵
PID:1912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4512 -ip 4512
1⤵
PID:848

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

Loading Replay Monitor...

Downloads

memory/1572-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1572-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1572-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1572-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1572-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1572-14-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4512-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4512-13-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5104-0-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/5104-6-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads