xtremerat | 5ca0a321c8f8de04fe4cb4c19b9d04c6e607aa7bbd90d892d56a2de495dd0801

General

Target

JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe
Size

65KB
MD5

ba5a272fbbb74d2b450d19fa7f774618
SHA1

53f09a1e10d7eac7b4852fbdcd315fa5316c73a8
SHA256

5ca0a321c8f8de04fe4cb4c19b9d04c6e607aa7bbd90d892d56a2de495dd0801
SHA512

8ab7b2a2b9bdfdc0288e6de7e3914bb61863b5faffe6b3e50dec2e1d10008426fb9a2d46a2a78d3fcc4acbe65913e42aaf1e133b1f7452ccc9222176030f09ed
SSDEEP

768:i8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiZKPA+7XoE:Qsq+QV4rObAdXWpf/y+7ozNwiAuLxE

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

ala-tun.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2340-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5116-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2340-2-0x0000000010000000-0x000000001004A000-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
24	4132	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
2100	2340	WerFault.exe	86
2924	2340	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.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
2356	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5116 wrote to memory of 2340	5116	JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe	86
PID 5116 wrote to memory of 2340	5116	JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe	86
PID 5116 wrote to memory of 2340	5116	JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe	86
PID 5116 wrote to memory of 2340	5116	JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe	86
PID 5116 wrote to memory of 436	5116	JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe	87
PID 5116 wrote to memory of 436	5116	JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe	87
PID 5116 wrote to memory of 436	5116	JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ba5a272fbbb74d2b450d19fa7f774618.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5116
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 480
    3⤵
    - Program crash
    PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 488
    3⤵
    - Program crash
    PID:2924
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2340 -ip 2340
1⤵
PID:3088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2340 -ip 2340
1⤵
PID:3312

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDA2ODcyMjc4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2356

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/2340-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2340-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5116-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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