xtremerat | e2034ec3de9d340c4fe2a5381b6938d67f7d7eda6261504ed491ac78267e10c2

General

Target

JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe
Size

104KB
MD5

680cb651c7ebdfc0a7566d690f722c46
SHA1

97a871044cb5a25e39cabd31ccfd727ac09d7762
SHA256

e2034ec3de9d340c4fe2a5381b6938d67f7d7eda6261504ed491ac78267e10c2
SHA512

21e0ccbbd04b5c8832590be7ecb6daedf83cfc5c00752b39d02905676e1b926d6305b871a10ea1414ae14d8f96fcb4aa0668c27311abcf9b9ce68cda476286d0
SSDEEP

3072:Xo+k6UH6LnX/uCyQ6FainzIQVZy8vX2fiBD:X3k6RLXWC/hinzIQe8Wix

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

tyty2.no-ip.info

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/3840-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3840-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3840-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3840-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3836-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3840-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3836-12-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83

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
32	3836	WerFault.exe	84
2908	3836	WerFault.exe	84

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 2788 wrote to memory of 3840	2788	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	83
PID 3840 wrote to memory of 3836	3840	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	84
PID 3840 wrote to memory of 3836	3840	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	84
PID 3840 wrote to memory of 3836	3840	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	84
PID 3840 wrote to memory of 3836	3840	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	84
PID 3840 wrote to memory of 3868	3840	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	85
PID 3840 wrote to memory of 3868	3840	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	85
PID 3840 wrote to memory of 3868	3840	JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_680cb651c7ebdfc0a7566d690f722c46.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3840
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 484
      4⤵
      Program crash
      PID:32
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 492
      4⤵
      Program crash
      PID:2908
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3836 -ip 3836
1⤵
PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3836 -ip 3836
1⤵
PID:1484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/2788-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2788-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3836-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3836-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3840-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3840-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3840-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3840-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3840-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing