xtremerat | 4d9ac45fcd48d5ada906bb7cd1020255c7e968b428c1335c1a8d71030856d2e3

General

Target

JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe
Size

427KB
MD5

611f63338de0110fe337fb41d9f18fd8
SHA1

6b8a8bc6b42294300bb996a86a87186ffdb7bea1
SHA256

4d9ac45fcd48d5ada906bb7cd1020255c7e968b428c1335c1a8d71030856d2e3
SHA512

1d8c832ea9879928117f44366c964b02e9435e40732e616c082f9cbeb32cbce20acecb1de698a55959b9666ca053c5875b2a6a01d5468c7808242ef6ca2ce43e
SSDEEP

12288:FoS493ACIl7vI1kiqHNnyVek/a4QmHNX467poK7ZD:FoIjIbgyLC495467OKV

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mmsalti.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1164-9-0x0000000010000000-0x0000000010058000-memory.dmp	family_xtremerat
behavioral2/memory/672-12-0x0000000010000000-0x0000000010058000-memory.dmp	family_xtremerat
behavioral2/memory/672-15-0x0000000010000000-0x0000000010058000-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 4964 set thread context of 1164	4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	84

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1164-5-0x0000000010000000-0x0000000010058000-memory.dmp	upx
behavioral2/memory/1164-7-0x0000000010000000-0x0000000010058000-memory.dmp	upx
behavioral2/memory/1164-9-0x0000000010000000-0x0000000010058000-memory.dmp	upx
behavioral2/memory/672-12-0x0000000010000000-0x0000000010058000-memory.dmp	upx
behavioral2/memory/672-15-0x0000000010000000-0x0000000010058000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\3universitaria.jpg.exe	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe
File created	C:\Windows\3universitaria.jpg	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4068	672	WerFault.exe	85
4920	672	WerFault.exe	85

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_611f63338de0110fe337fb41d9f18fd8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 1164	4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	84
PID 4964 wrote to memory of 1164	4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	84
PID 4964 wrote to memory of 1164	4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	84
PID 4964 wrote to memory of 1164	4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	84
PID 4964 wrote to memory of 1164	4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	84
PID 4964 wrote to memory of 1164	4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	84
PID 4964 wrote to memory of 1164	4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	84
PID 4964 wrote to memory of 1164	4964	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	84
PID 1164 wrote to memory of 672	1164	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	85
PID 1164 wrote to memory of 672	1164	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	85
PID 1164 wrote to memory of 672	1164	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	85
PID 1164 wrote to memory of 672	1164	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	85
PID 1164 wrote to memory of 1516	1164	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	87
PID 1164 wrote to memory of 1516	1164	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	87
PID 1164 wrote to memory of 1516	1164	JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_611f63338de0110fe337fb41d9f18fd8.exe
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1164
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:672
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 480
      4⤵
      Program crash
      PID:4068
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 500
      4⤵
      Program crash
      PID:4920
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 672 -ip 672
1⤵
PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 672 -ip 672
1⤵
PID:3356

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

Loading Replay Monitor...

Downloads

memory/672-12-0x0000000010000000-0x0000000010058000-memory.dmp

Filesize
352KB

Download
memory/672-15-0x0000000010000000-0x0000000010058000-memory.dmp

Filesize
352KB

Download
memory/1164-5-0x0000000010000000-0x0000000010058000-memory.dmp

Filesize
352KB

Download
memory/1164-7-0x0000000010000000-0x0000000010058000-memory.dmp

Filesize
352KB

Download
memory/1164-9-0x0000000010000000-0x0000000010058000-memory.dmp

Filesize
352KB

Download
memory/4964-0-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/4964-2-0x0000000000401000-0x0000000000407000-memory.dmp

Filesize
24KB

Download
memory/4964-1-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/4964-11-0x0000000000401000-0x0000000000407000-memory.dmp

Filesize
24KB

Download
memory/4964-10-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing