xtremerat | 421be00c8c37e21d821afeda49295a50db50f8a4d82393da19c9f88e099a2b0f

General

Target

JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe
Size

88KB
MD5

408ada72ef896c74b9b1b87f9aafa6a4
SHA1

3756437ae26e6e9396abe8d6dc46d5225a2be864
SHA256

421be00c8c37e21d821afeda49295a50db50f8a4d82393da19c9f88e099a2b0f
SHA512

c4c93282f6829d4e88b897d18e2322e4de0accdc76321c1206d8a960d20351c0c8dbfba1482d418597e6783190636e259244038d8bac8556bcbc45a93eba4b4d
SSDEEP

1536:7WNNy/6WXAwAO7HXumAQFEE1aZgir/OuunOphcmesGvXcXoLw/wKlUH:5/bxAODf1w8naxayos/wpH

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/1664-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1664-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1664-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1664-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1664-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1664-0-0x0000000010000000-0x000000001004A000-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

Adds Run key to start application 2 TTPs 1 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\JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe"	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3496 set thread context of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3184	1664	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 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_408ada72ef896c74b9b1b87f9aafa6a4.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe
3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82
PID 3496 wrote to memory of 1664	3496	JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_408ada72ef896c74b9b1b87f9aafa6a4.exe
  2⤵
  PID:1664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 12
    3⤵
    - Program crash
    PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1664 -ip 1664
1⤵
PID:4988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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/1664-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1664-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1664-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1664-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1664-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1664-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads