xtremerat | 3a69a7047704eece1a85471641968a5b43269cac5bd2e5d55e6afea8b260d1a2

General

Target

JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe
Size

320KB
MD5

cbc16e71dc91da34675fc286c4108f5f
SHA1

dafd6ea2d2cc8cd15d5229f58deb6656817fe0e6
SHA256

3a69a7047704eece1a85471641968a5b43269cac5bd2e5d55e6afea8b260d1a2
SHA512

48784f9308a5af17f06856d30487573be93dcada9c166683b81e7e61e56bc2757d36b4deb59f190f7efaf3b50880c8f76437a10a87e5a64e61e8274ef359bd29
SSDEEP

6144:uYt9a+zY6LS/ByH3rglTK0paVRlFRY27NFK0GUUkHVgxb6dq8/BxjH0:Bfa+E6uZyH3rgN6Vb/Y2RAUUkHVg96kk

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/2104-3-0x0000000000C80000-0x0000000000CB3000-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
30	3384	Process not Found

Executes dropped EXE 1 IoCs

pid	Process
2104	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2724	2104	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 2 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_cbc16e71dc91da34675fc286c4108f5f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.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
2272	MicrosoftEdgeUpdate.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2104	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88
PID 1668 wrote to memory of 2104	1668	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 12
    3⤵
    - Program crash
    PID:2724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2104 -ip 2104
1⤵
PID:464

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTQyODQzMjg1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe

Filesize
320KB

MD5
cbc16e71dc91da34675fc286c4108f5f

SHA1
dafd6ea2d2cc8cd15d5229f58deb6656817fe0e6

SHA256
3a69a7047704eece1a85471641968a5b43269cac5bd2e5d55e6afea8b260d1a2

SHA512
48784f9308a5af17f06856d30487573be93dcada9c166683b81e7e61e56bc2757d36b4deb59f190f7efaf3b50880c8f76437a10a87e5a64e61e8274ef359bd29

Download Submit
memory/1668-0-0x0000000074582000-0x0000000074583000-memory.dmp

Filesize
4KB

Download
memory/1668-1-0x0000000074580000-0x0000000074B31000-memory.dmp

Filesize
5.7MB

Download
memory/1668-2-0x0000000074580000-0x0000000074B31000-memory.dmp

Filesize
5.7MB

Download
memory/1668-6-0x0000000074580000-0x0000000074B31000-memory.dmp

Filesize
5.7MB

Download
memory/2104-3-0x0000000000C80000-0x0000000000CB3000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing