xtremerat | 0bd08aca396edf3445c79d48bf514e7d9dda51ea2dae93ffba6b189c36846b65

General

Target

be86d446ee18563595249dd93a50c204_JaffaCakes118.exe
Size

75KB
MD5

be86d446ee18563595249dd93a50c204
SHA1

743ae095cb8b3bd1844af5f8557b076aeaf3c5ae
SHA256

0bd08aca396edf3445c79d48bf514e7d9dda51ea2dae93ffba6b189c36846b65
SHA512

85b5930ea1e122f94562f59d1203d75236493a94820fb313beb7ff6d5b21ba4d8b33793147feea25c7fbb8a47caa0c465fc5eb6324aa00b529a1829ac1180408
SSDEEP

1536:Cv1vGQE2bM83T/y+EsTCT9lt2QL++kGGt9Bav8UlkDqy70gOFmcAAjmbH7:CtVE2bF3MsmT9v2QLIHQv8UlkDqyg9V+

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

kaangs.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4972-7-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/4972-8-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2364-9-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/4972-10-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2364-12-0x0000000010000000-0x000000001004B000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4972-3-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4972-6-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4972-7-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4972-8-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2364-9-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4972-10-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2364-12-0x0000000010000000-0x000000001004B000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3076 set thread context of 4972	3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	87

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
3976	2364	WerFault.exe	88
2904	2364	WerFault.exe	88

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	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 4972	3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	87
PID 3076 wrote to memory of 4972	3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	87
PID 3076 wrote to memory of 4972	3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	87
PID 3076 wrote to memory of 4972	3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	87
PID 3076 wrote to memory of 4972	3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	87
PID 3076 wrote to memory of 4972	3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	87
PID 3076 wrote to memory of 4972	3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	87
PID 3076 wrote to memory of 4972	3076	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	87
PID 4972 wrote to memory of 2364	4972	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	88
PID 4972 wrote to memory of 2364	4972	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	88
PID 4972 wrote to memory of 2364	4972	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	88
PID 4972 wrote to memory of 2364	4972	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	88
PID 4972 wrote to memory of 4808	4972	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	89
PID 4972 wrote to memory of 4808	4972	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	89
PID 4972 wrote to memory of 4808	4972	be86d446ee18563595249dd93a50c204_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\be86d446ee18563595249dd93a50c204_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\be86d446ee18563595249dd93a50c204_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Users\Admin\AppData\Local\Temp\be86d446ee18563595249dd93a50c204_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\be86d446ee18563595249dd93a50c204_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4972
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2364
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 480
      4⤵
      Program crash
      PID:3976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 488
      4⤵
      Program crash
      PID:2904
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2364 -ip 2364
1⤵
PID:4716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2364 -ip 2364
1⤵
PID:2408

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/2364-9-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2364-12-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3076-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3076-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4972-3-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4972-6-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4972-7-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4972-8-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4972-10-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download

Analysis

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