xtremerat | af522edfc4fab44ed7bec9bb0abcb22baf47abbbd173420000c359c413d06c30

General

Target

63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe
Size

93KB
MD5

63cd4c37ad150d8496621040738cf743
SHA1

23c8f992c8294b15f564fe0e3fcdf219c1c653e4
SHA256

af522edfc4fab44ed7bec9bb0abcb22baf47abbbd173420000c359c413d06c30
SHA512

0165a813d2c3bb835a63ebae24c375ea6778d7b96c8f17b7c0ca6da65f71a3708095812ffb5e41ff623607b43c1e2d34bd8c82588f9a8cfc823a8d6e1929700f
SSDEEP

1536:RIdKSYbzMiYkaPbiAfKhH8PIr0JhZszwX4uU/5FQWSbEkhaL1jzVaOi01kLjfO:RIdtYbzDuPbiAaH8QehZskY5uLbEj1k2

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

esam2at.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/1092-1-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1092-2-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1092-0-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1092-3-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4960-4-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1092-5-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4960-6-0x0000000010000000-0x0000000010047000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3512 set thread context of 1092	3512	63cd4c37ad150d8496621040738cf743_JaffaCakes118.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
744	4960	WerFault.exe	84
3460	4960	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	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 1092	3512	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	83
PID 3512 wrote to memory of 1092	3512	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	83
PID 3512 wrote to memory of 1092	3512	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	83
PID 3512 wrote to memory of 1092	3512	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	83
PID 3512 wrote to memory of 1092	3512	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	83
PID 1092 wrote to memory of 4960	1092	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	84
PID 1092 wrote to memory of 4960	1092	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	84
PID 1092 wrote to memory of 4960	1092	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	84
PID 1092 wrote to memory of 4960	1092	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	84
PID 1092 wrote to memory of 3020	1092	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	88
PID 1092 wrote to memory of 3020	1092	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	88
PID 1092 wrote to memory of 3020	1092	63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Users\Admin\AppData\Local\Temp\63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\63cd4c37ad150d8496621040738cf743_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4960
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 484
      4⤵
      Program crash
      PID:744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 504
      4⤵
      Program crash
      PID:3460
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4960 -ip 4960
1⤵
PID:3688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4960 -ip 4960
1⤵
PID:3672

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/1092-1-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1092-2-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1092-0-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1092-3-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1092-5-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4960-4-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4960-6-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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