xtremerat | 977469bdf20112cd46ef3fca1bb90d223e089f4ba54d14d881c4c42f26a2689d

General

Target

44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe
Size

140KB
MD5

44fd46e9861c9f9d853729591e2dbc22
SHA1

b24f69cf4b6fc8f9756455b5d342f1c7082afaa4
SHA256

977469bdf20112cd46ef3fca1bb90d223e089f4ba54d14d881c4c42f26a2689d
SHA512

4cd612e932d3431a4b1e7e947de09008f134cd1255d710d2124f0c3da01e61a369ddd21fdbef33ff4cff808cb441eeb78df19e68ea35e695807878e3c83141b9
SSDEEP

3072:gCM5F6vPKpun2tQ2K1Xkc+ICwJYaChTXEMWiaxg7sAYv9EhQ/:p26vz2tMDxCwJYRTUWsAYv9Eh

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

rorororo.no-ip.info

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/5008-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5008-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5008-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5008-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4092-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5008-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4092-9-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4916 set thread context of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.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
1268	4092	WerFault.exe	86
1924	4092	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	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 4916 wrote to memory of 5008	4916	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	84
PID 5008 wrote to memory of 4092	5008	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	86
PID 5008 wrote to memory of 4092	5008	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	86
PID 5008 wrote to memory of 4092	5008	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	86
PID 5008 wrote to memory of 4092	5008	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	86
PID 5008 wrote to memory of 4344	5008	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	87
PID 5008 wrote to memory of 4344	5008	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	87
PID 5008 wrote to memory of 4344	5008	44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Users\Admin\AppData\Local\Temp\44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\44fd46e9861c9f9d853729591e2dbc22_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5008
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4092
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 480
      4⤵
      Program crash
      PID:1268
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 488
      4⤵
      Program crash
      PID:1924
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4092 -ip 4092
1⤵
PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4092 -ip 4092
1⤵
PID:4320

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/4092-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4092-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4916-4-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/5008-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5008-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5008-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5008-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5008-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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