xtremerat | a489de4d76d51260ad01b3c7b836e7983e5c96674d5b6aa10848eb318ffd3ab8

General

Target

JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe
Size

65KB
MD5

fa8df7c7aef3b836749f3301de68fb8e
SHA1

1538a376093677bd76fc408d228dacd7601cc08b
SHA256

a489de4d76d51260ad01b3c7b836e7983e5c96674d5b6aa10848eb318ffd3ab8
SHA512

7190e373d330629ccd68de006bb777bee15f253fe6dda9fee36299a61d926a1467e3c5aea0a6127458e042ada4c97b8211721ce8b8f24ee28c9a5859887e6dfc
SSDEEP

768:e8m1Sq4NQErBsH1tzoisBKQI6dObAG/dqOXHsoAx5JXrUqLOY0pYKnA+7PoNwBzJ:ssq+QV4rObAdNoAf5UqiYmlArNwJoWcC

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

dbam.dyndns.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1784-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4692-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1784-2-0x0000000010000000-0x000000001004A000-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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
44	4436	Process not Found

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
3848	1784	WerFault.exe	88
4908	1784	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
5084	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 1784	4692	JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe	88
PID 4692 wrote to memory of 1784	4692	JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe	88
PID 4692 wrote to memory of 1784	4692	JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe	88
PID 4692 wrote to memory of 1784	4692	JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe	88
PID 4692 wrote to memory of 2448	4692	JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe	90
PID 4692 wrote to memory of 2448	4692	JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe	90
PID 4692 wrote to memory of 2448	4692	JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fa8df7c7aef3b836749f3301de68fb8e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 480
    3⤵
    - Program crash
    PID:3848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 488
    3⤵
    - Program crash
    PID:4908
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1784 -ip 1784
1⤵
PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1784 -ip 1784
1⤵
PID:4940

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI3IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzQxMTE3NTU0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:5084

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1784-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1784-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4692-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing