xtremerat | f0c6cea78a2df1ec2f0da1ef59f8fd1be6d513150f2aa5d458d171b56590f319

General

Target

8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe
Size

259KB
MD5

8e73e51ee73256907b65ab143d1b51ce
SHA1

b1268e89fc37448f48c81e6fa9f07048cb4da946
SHA256

f0c6cea78a2df1ec2f0da1ef59f8fd1be6d513150f2aa5d458d171b56590f319
SHA512

ac32434ebdcd8337a10f236946f74ad911bb4a63ea9f17e81b1913b845112dfe91d3acc504987959b231241dce780a5e1df650aec41190d39cd5ba132f22b466
SSDEEP

6144:1HaNZC0ivWwzP4f0ZQUUkHVgxb6dq8/BxjH0I3pxyN90vE:QWIwllUkHVg96k6xjlHy90

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2712-12-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2712-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2712-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2712-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2712-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2712-7-0x0000000010000000-0x000000001004A000-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
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059
Suspicious use of SetThreadContext 1 IoCs

Processes:

8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe

description pid process target process

PID 1292 set thread context of 2712 1292 8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe vbc.exe
System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe

description	pid	process	target process
PID 1292 set thread context of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe

description	pid	process	target process
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe
PID 1292 wrote to memory of 2712	1292	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1292-0-0x0000000074201000-0x0000000074202000-memory.dmp

Filesize
4KB

Download
memory/1292-1-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1292-2-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1292-13-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2712-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2712-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2712-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2712-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2712-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2712-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2712-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2712-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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