xtremerat | a35e6c849ee387bab6fd380f66b882af8d6b0c692c54a5bed1133587a849fb1d

General

Target

JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe
Size

128KB
MD5

5d5a39786f9e55059c403390cb50084e
SHA1

197c292179bbe597ade6e9cd7ad87212ccb02e46
SHA256

a35e6c849ee387bab6fd380f66b882af8d6b0c692c54a5bed1133587a849fb1d
SHA512

b2802eb873975576183f6a4d017405426482307d22caa5ac10e7289cce3cf12a32acac1348c2a5ab5bf4f9d11d42d6ad2478adcbb28679130d74517e30638a3c
SSDEEP

3072:4np8LCcYokY7hycwKGEnPfS+TpSH4peV25MV:Qp8LCcwQXja+T0Hxm

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2392-16-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral1/memory/2392-13-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral1/memory/2392-12-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral1/memory/2392-11-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral1/memory/2392-10-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral1/memory/2392-9-0x0000000000C80000-0x0000000000C92000-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

Executes dropped EXE 1 IoCs

pid	Process
2392	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Live = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe"	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1076 set thread context of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30
PID 1076 wrote to memory of 2392	1076	JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5d5a39786f9e55059c403390cb50084e.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Executes dropped EXE
  PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/1076-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

Filesize
4KB

Download
memory/1076-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/1076-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/1076-18-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2392-13-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/2392-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2392-12-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/2392-11-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/2392-10-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/2392-9-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/2392-8-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/2392-7-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/2392-16-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads