xtremerat | 59e2210634d95d55b9510f342ed54d7757f7f9ff7e89b8100e6f5e3d79d7b636

General

Target

JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe
Size

225KB
MD5

718c1fb3db94e28340ec9d5f02afaf76
SHA1

276dfaa39f666c7f347aef957a5b428270620133
SHA256

59e2210634d95d55b9510f342ed54d7757f7f9ff7e89b8100e6f5e3d79d7b636
SHA512

160131700c1e3ccb111ea676e02d18b3c22f866c79a0309c89c84ade61a94cdb717c210f8318dc71929742bd827560f1e3aa9f7a6695af2fa9b25946475a75fd
SSDEEP

6144:3ExPtKZQSi1Iv0Ps/eHHeaY9A0rBkk3hf0hpckuB74Dq:oYZLqA0ECeaY5Zh6ckuB74Dq

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

⡐ﳀmedoo.no-ip.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/5164-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5164-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5164-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5164-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5880-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5164-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5880-11-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 464 set thread context of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80

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
5712	5880	WerFault.exe	81
5300	5880	WerFault.exe	81

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_718c1fb3db94e28340ec9d5f02afaf76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 464 wrote to memory of 5164	464	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	80
PID 5164 wrote to memory of 5880	5164	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	81
PID 5164 wrote to memory of 5880	5164	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	81
PID 5164 wrote to memory of 5880	5164	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	81
PID 5164 wrote to memory of 5880	5164	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	81
PID 5164 wrote to memory of 5780	5164	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	82
PID 5164 wrote to memory of 5780	5164	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	82
PID 5164 wrote to memory of 5780	5164	JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:464
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_718c1fb3db94e28340ec9d5f02afaf76.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5164
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5880
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5880 -s 484
      4⤵
      Program crash
      PID:5712
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5880 -s 504
      4⤵
      Program crash
      PID:5300
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5880 -ip 5880
1⤵
PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5880 -ip 5880
1⤵
PID:4336

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

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Downloads

memory/464-0-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/464-7-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/5164-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5164-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5164-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5164-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5164-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5880-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5880-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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