xtremerat | 5aca68fe75d6011c3ec20041b95a717ffd9476b754d980e403af39d539f6d25d

General

Target

JaffaCakes118_d21a9de892014e784492d644343271fd.exe
Size

36KB
MD5

d21a9de892014e784492d644343271fd
SHA1

ea6c715df19372604c03331b21d54f2faf9a7023
SHA256

5aca68fe75d6011c3ec20041b95a717ffd9476b754d980e403af39d539f6d25d
SHA512

bdfc18fc4c6a3d951448ac93e91aa9fa7d68ea1895757e01c0ee29121246b1a63a3435c90927341389538f7a85e4140b1dcf7a0eb04efe7c7f9d3e575823a571
SSDEEP

768:yMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lvagwvJ:vNW71rcYDAWeotvXliVR

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

oo7bond.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1948-1-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral2/memory/884-2-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral2/memory/1948-3-0x0000000010000000-0x000000001004E000-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
32	2304	Process not Found

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/884-0-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/1948-1-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/884-2-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/1948-3-0x0000000010000000-0x000000001004E000-memory.dmp	upx

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
2408	1948	WerFault.exe	86
4236	1948	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_d21a9de892014e784492d644343271fd.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
1860	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 884 wrote to memory of 1948	884	JaffaCakes118_d21a9de892014e784492d644343271fd.exe	86
PID 884 wrote to memory of 1948	884	JaffaCakes118_d21a9de892014e784492d644343271fd.exe	86
PID 884 wrote to memory of 1948	884	JaffaCakes118_d21a9de892014e784492d644343271fd.exe	86
PID 884 wrote to memory of 1948	884	JaffaCakes118_d21a9de892014e784492d644343271fd.exe	86
PID 884 wrote to memory of 1640	884	JaffaCakes118_d21a9de892014e784492d644343271fd.exe	87
PID 884 wrote to memory of 1640	884	JaffaCakes118_d21a9de892014e784492d644343271fd.exe	87
PID 884 wrote to memory of 1640	884	JaffaCakes118_d21a9de892014e784492d644343271fd.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d21a9de892014e784492d644343271fd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d21a9de892014e784492d644343271fd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:884
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 476
    3⤵
    - Program crash
    PID:2408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 500
    3⤵
    - Program crash
    PID:4236
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1948 -ip 1948
1⤵
PID:3324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1948 -ip 1948
1⤵
PID:3468

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzM3MDM4ODQxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1860

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/884-0-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/884-2-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1948-1-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1948-3-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

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