xtremerat | 0d295b57418a514f0bcfccc39ae92d877cddd44e93acaa53b6f1757d6d55507c

General

Target

JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe
Size

26KB
MD5

b1dbc1a9eaec14bf7b5118d78bbeca1e
SHA1

ed9c0775f6e79295bb266493d1ffd26773a0fd50
SHA256

0d295b57418a514f0bcfccc39ae92d877cddd44e93acaa53b6f1757d6d55507c
SHA512

4f1dee191041a292306b40484c3fcb97bdfd97c64cc06ecfe2a8b6571cc2cbd72173fdc69da5d9c09c5c23cccac6122423b758d75a146b9b81c9e70c9c86502f
SSDEEP

384:/pj7eNmfp+UrM8j3Mk8mw2Qwz9cEVWNuOuuOYPq8P9iYwbzuplExSlkZMk3Hbr3:KmfpbM8j8wQwz9caAuxYyurlExjMk3H

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

scdscd.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/208-5-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral1/memory/2404-6-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral1/memory/208-8-0x0000000013140000-0x000000001315F000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{6RHEIOIE-PG41-144C-3M1Q-562847R6E170}	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{6RHEIOIE-PG41-144C-3M1Q-562847R6E170}\StubPath = "C:\\Windows\\system32\\InstallDir\\system.exe restart"	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\system.exe"	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\system.exe"	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\system.exe	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe
File created	C:\Windows\SysWOW64\InstallDir\system.exe	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe
File opened for modification	C:\Windows\SysWOW64\InstallDir\	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2404-0-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/208-5-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/2404-6-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/208-8-0x0000000013140000-0x000000001315F000-memory.dmp	upx

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 2 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_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
208	explorer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 208	2404	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe	88
PID 2404 wrote to memory of 208	2404	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe	88
PID 2404 wrote to memory of 208	2404	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe	88
PID 2404 wrote to memory of 208	2404	JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1dbc1a9eaec14bf7b5118d78bbeca1e.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:208

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

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

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Downloads

memory/208-5-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/208-8-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2404-0-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2404-6-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads