xtremerat | f62cce747b4d393e3d2ab03f14ec4412f882333da5cce7a7bb368f4495cb8c19

General

Target

d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe
Size

1.0MB
MD5

d7a32826a8931724221b193e9f448b04
SHA1

a284d56bcfb9f82177deaed765bda78d260f5d47
SHA256

f62cce747b4d393e3d2ab03f14ec4412f882333da5cce7a7bb368f4495cb8c19
SHA512

8709b4f9083cbd8b899b97ac12498d1ffd12081bfbe368073de397dfa861357b8b1531a7cd6a16914fd2eeb35eab7b6d37bdc01cad8be90dc36b82dea4cb4d11
SSDEEP

24576:OPze+0Pze+moJmnNg4XVMD0nDImeKvThFFmB5d:ize7zeJoJmNfND9eK7had

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

neuromante.no-ip.org

ʨneuromante.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2776-2-0x0000000010000000-0x000000001013F000-memory.dmp	family_xtremerat
behavioral1/files/0x0008000000016d63-6.dat	family_xtremerat
behavioral1/memory/2792-13-0x0000000010000000-0x000000001013F000-memory.dmp	family_xtremerat
behavioral1/memory/2892-19-0x0000000010000000-0x00000000100DF000-memory.dmp	family_xtremerat
behavioral1/memory/2776-21-0x0000000010000000-0x000000001013F000-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
2892	16server.exe

Loads dropped DLL 2 IoCs

pid	Process
2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe
2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\16server.exe.exe	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\16server.exe	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\156Jasmine.jpg.exe	16server.exe
File created	C:\Windows\SysWOW64\156Jasmine.jpg	16server.exe
File opened for modification	C:\Windows\SysWOW64\156Jasmine.jpg	DllHost.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 4 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	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2620	DllHost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2620	DllHost.exe
2620	DllHost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2776	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2776	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2776	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2776	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2776	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2584	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	31
PID 2792 wrote to memory of 2584	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	31
PID 2792 wrote to memory of 2584	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	31
PID 2792 wrote to memory of 2584	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	31
PID 2792 wrote to memory of 2584	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	31
PID 2792 wrote to memory of 2892	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	32
PID 2792 wrote to memory of 2892	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	32
PID 2792 wrote to memory of 2892	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	32
PID 2792 wrote to memory of 2892	2792	d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe	32
PID 2892 wrote to memory of 1536	2892	16server.exe	33
PID 2892 wrote to memory of 1536	2892	16server.exe	33
PID 2892 wrote to memory of 1536	2892	16server.exe	33
PID 2892 wrote to memory of 1536	2892	16server.exe	33
PID 2892 wrote to memory of 1536	2892	16server.exe	33

C:\Users\Admin\AppData\Local\Temp\d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d7a32826a8931724221b193e9f448b04_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2584
- C:\Windows\SysWOW64\16server.exe
  "C:\Windows\system32\16server.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1536

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\156Jasmine.jpg

Filesize
278KB

MD5
fdee1c532f09a7bc3de04ad0f2cedab8

SHA1
545c17e779ceead437d405e4ad2cb85cef8d9c1e

SHA256
b10fddf8ee07c401f6b0906d867b3eaf344ab0d3de93e8eee67eac740eb439f9

SHA512
6a13fc519380ba48351930755d5a443ff277579d326594775bd41274669fa10f1b15d60e5a9b252c3fd9af50e6207f752ae99c9f7ecff1c6c536672945b9b40f

Download Submit
\Windows\SysWOW64\16server.exe

Filesize
661KB

MD5
26425b2fbb73627e02a1ea7f095eab7d

SHA1
929b1d21ed7976f274df9520a0d53210969176b3

SHA256
ce463e3d32f919e7c9870223fccde542d9f198d012a7dcb5738e75017fab59c1

SHA512
ff3cc950d1c335395edb3f68577381c1153d24841136b1c9d828c742d02d47ed46cce8a7244bba030da1e464ac400baa0c53d6c32d99bf0a8fc82ba979cb332d

Download Submit
memory/2620-18-0x00000000001A0000-0x00000000001A2000-memory.dmp

Filesize
8KB

Download
memory/2776-0-0x0000000010000000-0x000000001013F000-memory.dmp

Filesize
1.2MB

Download
memory/2776-2-0x0000000010000000-0x000000001013F000-memory.dmp

Filesize
1.2MB

Download
memory/2776-21-0x0000000010000000-0x000000001013F000-memory.dmp

Filesize
1.2MB

Download
memory/2792-13-0x0000000010000000-0x000000001013F000-memory.dmp

Filesize
1.2MB

Download
memory/2892-17-0x0000000002B40000-0x0000000002B42000-memory.dmp

Filesize
8KB

Download
memory/2892-19-0x0000000010000000-0x00000000100DF000-memory.dmp

Filesize
892KB

Download

Analysis

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