xtremerat | 6b1c48540d967dce47807f8bb93a23414c0ae44f81857adc241648a578bc0bbe

General

Target

JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe
Size

130KB
MD5

a59d604f68d17572e8277dd461af942f
SHA1

a94d25d8c59251cb00b8b2d7746213b0f146571d
SHA256

6b1c48540d967dce47807f8bb93a23414c0ae44f81857adc241648a578bc0bbe
SHA512

6223e37871c4fed694d2153ff3e032d6f143a1b15cffd10190543dd8b3ec4259ee4eceaddc40d6926bb4837c92edf8c0e9f10948efc038cfe6525066e7b4eacd
SSDEEP

1536:zPR0BFCHDTY08s3i80BQfYEpCHD13zXpdyz8qyoYQqw9PBZueu0An2aV+NVi1vRn:oN0jpc3FQz5PyeX2V+VQRBKLaOZV+n

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/4620-2-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4620-3-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4620-4-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4620-5-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1108-6-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4620-7-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1108-8-0x0000000010000000-0x0000000010047000-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 4740 set thread context of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84

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
2712	1108	WerFault.exe	86
3876	1108	WerFault.exe	86

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_a59d604f68d17572e8277dd461af942f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4740 wrote to memory of 4620	4740	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	84
PID 4620 wrote to memory of 1108	4620	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	86
PID 4620 wrote to memory of 1108	4620	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	86
PID 4620 wrote to memory of 1108	4620	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	86
PID 4620 wrote to memory of 1108	4620	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	86
PID 4620 wrote to memory of 3488	4620	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	88
PID 4620 wrote to memory of 3488	4620	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	88
PID 4620 wrote to memory of 3488	4620	JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a59d604f68d17572e8277dd461af942f.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4620
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1108
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1108 -s 480
      4⤵
      Program crash
      PID:2712
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1108 -s 476
      4⤵
      Program crash
      PID:3876
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1108 -ip 1108
1⤵
PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1108 -ip 1108
1⤵
PID:2336

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/1108-6-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1108-8-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4620-2-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4620-3-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4620-4-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4620-5-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4620-7-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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