xtremerat | 2700f8789dfefdfcd391ca9d89acd60d2cf5b49f4110c69baa04acfd3f5f9f2d

General

Target

JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe
Size

252KB
MD5

f4e819232565cee858b9ca81ba9c5321
SHA1

00b2d1282135e0bac771bb92927cf8861f83ab17
SHA256

2700f8789dfefdfcd391ca9d89acd60d2cf5b49f4110c69baa04acfd3f5f9f2d
SHA512

3d09181c325c2b16596a17cdf50544dcd50fe0bf1e3c38465ac49564a98794ceb97cf4892ad4055d81637a5875bc6565a8e99132c87e924da63c407cc4735732
SSDEEP

6144:cvkckiRGLZZPcj0nN/G6MCaP3xmMuCKczll6:a0iRGTPKz6MtJdurV

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

skullfire.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2148-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2148-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2148-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2004-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2004-12-0x0000000010000000-0x000000001004A000-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 1916 set thread context of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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_f4e819232565cee858b9ca81ba9c5321.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 1916 wrote to memory of 2148	1916	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	31
PID 2148 wrote to memory of 2004	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	32
PID 2148 wrote to memory of 2004	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	32
PID 2148 wrote to memory of 2004	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	32
PID 2148 wrote to memory of 2004	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	32
PID 2148 wrote to memory of 2004	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	32
PID 2148 wrote to memory of 2084	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	33
PID 2148 wrote to memory of 2084	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	33
PID 2148 wrote to memory of 2084	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	33
PID 2148 wrote to memory of 2084	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	33
PID 2148 wrote to memory of 2084	2148	JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4e819232565cee858b9ca81ba9c5321.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2004
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2084

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/1916-0-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1916-1-0x0000000000401000-0x00000000004B5000-memory.dmp

Filesize
720KB

Download
memory/1916-8-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2004-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2004-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2004-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2148-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2148-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2148-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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