xtremerat | 27ae9640d6bbb53b4c6cfdc6bb6e78509d0a3304fdbcdd93f74cfa24c8dd52ff

General

Target

JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe
Size

399KB
MD5

797d201e46cde4c679af90731b2ee6ba
SHA1

5a09d9769f96efc15dc1bf469201fc9e155dbd9f
SHA256

27ae9640d6bbb53b4c6cfdc6bb6e78509d0a3304fdbcdd93f74cfa24c8dd52ff
SHA512

ff75935ea20258c7a7d227c97f6cb15ab8e9187d622e1911701528b6ba3c905a98c121eb34efc4fdf236eca515a10c44e93798c3aa06a56bf7b19807ead4aa03
SSDEEP

3072:lDuLbG2l1EelksP4jm1aNKmaCEDvq+pFyNRYhxXK:lDuLr1EelksA61aN2COigeRP

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

hackedd.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2700-5-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/4300-7-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2700-8-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/4300-9-0x0000000010000000-0x000000001004B000-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 1948 set thread context of 2700	1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	82

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2700-2-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2700-4-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2700-6-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2700-5-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4300-7-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2700-8-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4300-9-0x0000000010000000-0x000000001004B000-memory.dmp	upx

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
4304	4300	WerFault.exe	83
5020	4300	WerFault.exe	83

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_797d201e46cde4c679af90731b2ee6ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2700	1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	82
PID 1948 wrote to memory of 2700	1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	82
PID 1948 wrote to memory of 2700	1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	82
PID 1948 wrote to memory of 2700	1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	82
PID 1948 wrote to memory of 2700	1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	82
PID 1948 wrote to memory of 2700	1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	82
PID 1948 wrote to memory of 2700	1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	82
PID 1948 wrote to memory of 2700	1948	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	82
PID 2700 wrote to memory of 4300	2700	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	83
PID 2700 wrote to memory of 4300	2700	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	83
PID 2700 wrote to memory of 4300	2700	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	83
PID 2700 wrote to memory of 4300	2700	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	83
PID 2700 wrote to memory of 4284	2700	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	84
PID 2700 wrote to memory of 4284	2700	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	84
PID 2700 wrote to memory of 4284	2700	JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_797d201e46cde4c679af90731b2ee6ba.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4300
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 348
      4⤵
      Program crash
      PID:4304
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 488
      4⤵
      Program crash
      PID:5020
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4300 -ip 4300
1⤵
PID:2144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4300 -ip 4300
1⤵
PID:3516

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

memory/2700-2-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2700-4-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2700-6-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2700-5-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2700-8-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4300-7-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4300-9-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download

Analysis

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