xtremerat | b88fdb60aa31431fae969560b73e85c549a4fee0596d433ffc2623ce37a1a860

General

Target

eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe
Size

126KB
MD5

eed37789aec426fecc0be5bf52411ec0
SHA1

cda7f4b5d3528a8465a5581f44749d4ba8cc3134
SHA256

b88fdb60aa31431fae969560b73e85c549a4fee0596d433ffc2623ce37a1a860
SHA512

93104f7c42f1c2dd8c8c4144b24c8dce0361fe55e6d47b40de9035fcd428bb0c42c67b17a5fd82e288b2744fdcb4fb3f50133053abc882eb98a789dd985618f5
SSDEEP

3072:MsoINdRejOqVSl2lwWLpcfYLEoS8Pua/RM8imipe:VXdR2OqVSl8wWWQLJvWai8d

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

pokerking.dyndns.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/2020-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2020-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2020-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2020-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/928-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2020-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/928-12-0x0000000010000000-0x000000001004A000-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 212 set thread context of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83

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
2616	928	WerFault.exe	84
4936	928	WerFault.exe	84

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	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 212 wrote to memory of 2020	212	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	83
PID 2020 wrote to memory of 928	2020	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	84
PID 2020 wrote to memory of 928	2020	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	84
PID 2020 wrote to memory of 928	2020	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	84
PID 2020 wrote to memory of 928	2020	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	84
PID 2020 wrote to memory of 724	2020	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	85
PID 2020 wrote to memory of 724	2020	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	85
PID 2020 wrote to memory of 724	2020	eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:212
- C:\Users\Admin\AppData\Local\Temp\eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eed37789aec426fecc0be5bf52411ec0_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:928
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 480
      4⤵
      Program crash
      PID:2616
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 504
      4⤵
      Program crash
      PID:4936
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 928 -ip 928
1⤵
PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 928 -ip 928
1⤵
PID:2656

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/212-0-0x0000000074DE2000-0x0000000074DE3000-memory.dmp

Filesize
4KB

Download
memory/212-1-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/212-2-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/212-7-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/212-9-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/928-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/928-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2020-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2020-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2020-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2020-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2020-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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