xtremerat | fbd0ac1d27ac37fad26a02989094f3d3351a2594dcef85180fba37e686df6dc7

General

Target

JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe
Size

635KB
MD5

65707c3a420e0caac14e48a8353c2d70
SHA1

9614bfe12d334e260da4e2d00f2185f34826fb46
SHA256

fbd0ac1d27ac37fad26a02989094f3d3351a2594dcef85180fba37e686df6dc7
SHA512

554c4d30824abd186811429a5c1ce90e219805792e1eb07c7b66255c6a24c91329c61bb28b8d7f812a5136f812f91e85165f7d51d96f0a152942f1527fe1d3db
SSDEEP

12288:mEYdefCHe8N5avZIVEax7JhYKN0Aw6T0UkA5mfLif:mEYcfC+8N5JVRJh5y20mmfLE

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

soft4sat40.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/1796-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1796-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1796-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1796-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/508-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1796-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/508-12-0x0000000010000000-0x000000001004A000-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 3824 set thread context of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.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
3580	508	WerFault.exe	84
3680	508	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	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 3824 wrote to memory of 1796	3824	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	83
PID 1796 wrote to memory of 508	1796	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	84
PID 1796 wrote to memory of 508	1796	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	84
PID 1796 wrote to memory of 508	1796	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	84
PID 1796 wrote to memory of 508	1796	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	84
PID 1796 wrote to memory of 224	1796	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	85
PID 1796 wrote to memory of 224	1796	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	85
PID 1796 wrote to memory of 224	1796	JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65707c3a420e0caac14e48a8353c2d70.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1796
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:508
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 508 -s 480
      4⤵
      Program crash
      PID:3580
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 508 -s 488
      4⤵
      Program crash
      PID:3680
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 508 -ip 508
1⤵
PID:4540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 508 -ip 508
1⤵
PID:1400

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

Loading Replay Monitor...

Downloads

memory/508-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/508-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1796-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1796-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1796-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1796-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1796-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3824-0-0x0000000074802000-0x0000000074803000-memory.dmp

Filesize
4KB

Download
memory/3824-1-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3824-2-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3824-3-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3824-9-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing