xtremerat | 7b30f8d1edc149c8e5f698bfcb430b0069aed494b3ac3c66ebbceff73900ca4b

General

Target

JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe
Size

1.2MB
MD5

11ea0654f8bc0683c44d601949b083b9
SHA1

cecb752d9c769fa764bc7c9862fdf89f21604665
SHA256

7b30f8d1edc149c8e5f698bfcb430b0069aed494b3ac3c66ebbceff73900ca4b
SHA512

1e265cbf0e67e29dcf31204c0c93435b374e1160c10ee57c801a2c6cfe6b3c7ce901b24f7f5e955ec34d4bf557cfe2810dda9ead983abb6b1dd35345344a6bae
SSDEEP

24576:8k4/YSvT4v7Cr2BOCb2h+llAu+/u1d5JmZVvmZV:8kQYS42rIObh+l0qgZVuZV

Score

10^/10

xtremerat defense_evasion discovery persistence rat spyware themida

Malware Config

Extracted

Family

xtremerat

C2

michexx.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/3044-2-0x0000000010000000-0x0000000010232000-memory.dmp	family_xtremerat
behavioral1/memory/3044-3-0x0000000010000000-0x0000000010232000-memory.dmp	family_xtremerat
behavioral1/memory/3044-9-0x0000000010000000-0x0000000010232000-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

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/3044-0-0x0000000010000000-0x0000000010232000-memory.dmp	themida
behavioral1/memory/3044-2-0x0000000010000000-0x0000000010232000-memory.dmp	themida
behavioral1/memory/3044-3-0x0000000010000000-0x0000000010232000-memory.dmp	themida
behavioral1/memory/3044-9-0x0000000010000000-0x0000000010232000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe

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 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_11ea0654f8bc0683c44d601949b083b9.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2920	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	28
PID 3044 wrote to memory of 2920	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	28
PID 3044 wrote to memory of 2920	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	28
PID 3044 wrote to memory of 2920	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	28
PID 3044 wrote to memory of 2920	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	28
PID 3044 wrote to memory of 2824	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	29
PID 3044 wrote to memory of 2824	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	29
PID 3044 wrote to memory of 2824	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	29
PID 3044 wrote to memory of 2824	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	29
PID 3044 wrote to memory of 2824	3044	JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe	29

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11ea0654f8bc0683c44d601949b083b9.exe"
1⤵
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2920
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2920-5-0x0000000010000000-0x0000000010232000-memory.dmp

Filesize
2.2MB

Download
memory/2920-10-0x0000000010000000-0x0000000010232000-memory.dmp

Filesize
2.2MB

Download
memory/3044-0-0x0000000010000000-0x0000000010232000-memory.dmp

Filesize
2.2MB

Download
memory/3044-1-0x0000000010001000-0x0000000010008000-memory.dmp

Filesize
28KB

Download
memory/3044-2-0x0000000010000000-0x0000000010232000-memory.dmp

Filesize
2.2MB

Download
memory/3044-3-0x0000000010000000-0x0000000010232000-memory.dmp

Filesize
2.2MB

Download
memory/3044-9-0x0000000010000000-0x0000000010232000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads