xtremerat | a1201f2a189e58d9fa7cb6a62ac86ec0fef9635c700bd7dd30c6175bb27ce9aa

General

Target

JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe
Size

212KB
MD5

0674ee30d2a20f925e451f383b19083b
SHA1

acbe9227ae5582a1b5b9ff41d9bdc20cbd2b8255
SHA256

a1201f2a189e58d9fa7cb6a62ac86ec0fef9635c700bd7dd30c6175bb27ce9aa
SHA512

f059bc7e3147d3b6b0e9a746290f53394dc18f433b238792102ca5fe5906e25281320b664fa3095fef0950d4ca32a9c87a3df060446cabf276ef74c662bebf2b
SSDEEP

3072:frBknjHg3/WoXpO5qeRcVYxSpIIQbe4nNw6Jvgy1BYXkZ5xroPfsneaGtugcfgN9:fis1kqeqVYxSpInlvgercF6gcfj

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ihazx.dyndns.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/4848-8-0x0000000000C80000-0x0000000000C97000-memory.dmp	family_xtremerat
behavioral2/memory/4848-10-0x0000000000C80000-0x0000000000C97000-memory.dmp	family_xtremerat
behavioral2/memory/4848-7-0x0000000000C80000-0x0000000000C97000-memory.dmp	family_xtremerat
behavioral2/memory/3156-13-0x0000000000C80000-0x0000000000C97000-memory.dmp	family_xtremerat
behavioral2/memory/4848-14-0x0000000000C80000-0x0000000000C97000-memory.dmp	family_xtremerat
behavioral2/memory/3156-16-0x0000000000C80000-0x0000000000C97000-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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe restart"	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.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:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe"	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe"	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1360 set thread context of 4848	1360	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	82

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4848-0-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/4848-2-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/4848-1-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/4848-6-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/4848-8-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/4848-10-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/4848-7-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/4848-9-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/3156-13-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/4848-14-0x0000000000C80000-0x0000000000C97000-memory.dmp	upx
behavioral2/memory/3156-16-0x0000000000C80000-0x0000000000C97000-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 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_0674ee30d2a20f925e451f383b19083b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3156	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 4848	1360	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	82
PID 1360 wrote to memory of 4848	1360	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	82
PID 1360 wrote to memory of 4848	1360	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	82
PID 1360 wrote to memory of 4848	1360	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	82
PID 1360 wrote to memory of 4848	1360	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	82
PID 1360 wrote to memory of 4848	1360	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	82
PID 1360 wrote to memory of 4848	1360	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	82
PID 1360 wrote to memory of 4848	1360	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	82
PID 4848 wrote to memory of 1596	4848	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	83
PID 4848 wrote to memory of 1596	4848	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	83
PID 4848 wrote to memory of 1596	4848	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	83
PID 4848 wrote to memory of 3156	4848	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	84
PID 4848 wrote to memory of 3156	4848	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	84
PID 4848 wrote to memory of 3156	4848	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	84
PID 4848 wrote to memory of 3156	4848	JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0674ee30d2a20f925e451f383b19083b.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1596
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3156

Network

MITRE ATT&CK Enterprise v15

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/1360-4-0x0000000000010000-0x0000000000042000-memory.dmp

Filesize
200KB

Download
memory/3156-13-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/3156-16-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/4848-0-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/4848-2-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/4848-1-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/4848-6-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/4848-8-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/4848-10-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/4848-7-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/4848-9-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download
memory/4848-14-0x0000000000C80000-0x0000000000C97000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads