xtremerat | 11d7f93b2f4fce6f9279842c6bd997a0005d8156809b3d0b2849f1856439c1a5

General

Target

JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
Size

612KB
MD5

8af2d2d5b76bee07f9368262510c1c27
SHA1

00059b7b2451b0c2dfc1811482b4b6897b54d6eb
SHA256

11d7f93b2f4fce6f9279842c6bd997a0005d8156809b3d0b2849f1856439c1a5
SHA512

5a4edf312f3398e4c7d367772b92599b1c4969f4ecd7edaf66230a15ced1a23515fe93e197f62581620ed9afd0e65210f1d784feca0b677b90d43384573b9b66
SSDEEP

1536:EQ1OGEMLcQYGyBIbTko4rgq5FCBLVwkv1:F1OGEMLSyqrmT

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/2812-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2812-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2812-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2812-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4312-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2812-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4312-8-0x0000000010000000-0x000000001004A000-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 3412 set thread context of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85

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
4500	4312	WerFault.exe	86
3728	4312	WerFault.exe	86

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_8af2d2d5b76bee07f9368262510c1c27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 3412 wrote to memory of 2812	3412	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	85
PID 2812 wrote to memory of 4312	2812	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	86
PID 2812 wrote to memory of 4312	2812	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	86
PID 2812 wrote to memory of 4312	2812	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	86
PID 2812 wrote to memory of 4312	2812	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	86
PID 2812 wrote to memory of 1976	2812	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	87
PID 2812 wrote to memory of 1976	2812	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	87
PID 2812 wrote to memory of 1976	2812	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4312
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 484
      4⤵
      Program crash
      PID:4500
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 504
      4⤵
      Program crash
      PID:3728
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4312 -ip 4312
1⤵
PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4312 -ip 4312
1⤵
PID:720

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/2812-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2812-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2812-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2812-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2812-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4312-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4312-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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