xtremerat | 13dc98528c16aa8e09ad30d7a2290055958b591e676a30f1581a4f9f9c617e2d

General

Target

JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe
Size

304KB
MD5

adf194c16dffe2bb961a607324ebebfa
SHA1

bf03d4140d0f8d57e53dfd12b113092d87cd400b
SHA256

13dc98528c16aa8e09ad30d7a2290055958b591e676a30f1581a4f9f9c617e2d
SHA512

9220be890d0f15c244f1434fe359eb119950da8d7983da4c0846786edd09f7e23c184e86111bdbf77c82d93b8c37b3abeed053bca767efd46772360353c0d390
SSDEEP

3072:KBh0HNt/Yx5Ce6y6BOykct57s6nWqB3srCIHRx7EAQ6tQgOjDY/tJm8zl4mEXrkV:KP

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

vpndodo.sytes.net

Signatures

Detect XtremeRAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/5216-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/5216-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/5216-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/5216-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3328-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3864-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/5216-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3864-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3328-12-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3864-13-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5628 set thread context of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft\Microsoft.exe	calc.exe
File created	C:\Windows\Microsoft\Microsoft.exe	calc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1432	3328	WerFault.exe	84
5800	3864	WerFault.exe	86
1624	3328	WerFault.exe	84
1188	3864	WerFault.exe	86

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	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	calc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe
3864	calc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5628 wrote to memory of 5216	5628	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	82
PID 5216 wrote to memory of 3328	5216	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	84
PID 5216 wrote to memory of 3328	5216	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	84
PID 5216 wrote to memory of 3328	5216	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	84
PID 5216 wrote to memory of 3328	5216	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	84
PID 5216 wrote to memory of 3864	5216	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	86
PID 5216 wrote to memory of 3864	5216	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	86
PID 5216 wrote to memory of 3864	5216	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	86
PID 5216 wrote to memory of 3864	5216	JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5628
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adf194c16dffe2bb961a607324ebebfa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5216
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3328
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3328 -s 472
      4⤵
      Program crash
      PID:1432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3328 -s 488
      4⤵
      Program crash
      PID:1624
- - C:\Windows\SysWOW64\calc.exe
    calc.exe
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 964
      4⤵
      Program crash
      PID:5800
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 972
      4⤵
      Program crash
      PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3328 -ip 3328
1⤵
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3864 -ip 3864
1⤵
PID:868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3328 -ip 3328
1⤵
PID:5176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3864 -ip 3864
1⤵
PID:1648

Network

MITRE ATT&CK Enterprise v16

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

Loading Replay Monitor...

Downloads

memory/3328-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3328-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3864-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3864-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3864-13-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5216-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5216-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5216-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5216-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5216-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing