xtremerat | 803c8fd9dafcc25811997b08eea6e2ade0b03d7c5661dd7720dfbd232cc943f2

General

Target

JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe
Size

97KB
MD5

f31eaa8e4425befb2d6d31a13e450b85
SHA1

331457718633f9dc9baf79fab233b8c0a32b786c
SHA256

803c8fd9dafcc25811997b08eea6e2ade0b03d7c5661dd7720dfbd232cc943f2
SHA512

ae059257c3fd5e040f44837021641fc2c15b029ae0c78625caa02514db2b2138d513518d9e3ee8bb6124e30ae3933e39623046b4028c396fab6a7ec070355ba0
SSDEEP

3072:61JHdWXpGtJZQkUJU9c7qCcS5F7JXYe6WNDoHOmgI6:6eGtJZQkUmcOwz7J56WNLmg

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/2256-3-0x0000000010000000-0x000000001004A000-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
48	5100	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4728 set thread context of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.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_f31eaa8e4425befb2d6d31a13e450b85.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
1540	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 2564	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	87
PID 4728 wrote to memory of 2564	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	87
PID 4728 wrote to memory of 2564	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	87
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88
PID 4728 wrote to memory of 2256	4728	JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe
  JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe
  2⤵
  PID:2564
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe
  JaffaCakes118_f31eaa8e4425befb2d6d31a13e450b85.exe
  2⤵
  PID:2256

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMzNzEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDE5Mjc1MzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDIwMjQ0ODM4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1540

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

memory/2256-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4728-0-0x00000000740C2000-0x00000000740C3000-memory.dmp

Filesize
4KB

Download
memory/4728-1-0x00000000740C0000-0x0000000074671000-memory.dmp

Filesize
5.7MB

Download
memory/4728-2-0x00000000740C0000-0x0000000074671000-memory.dmp

Filesize
5.7MB

Download
memory/4728-5-0x00000000740C0000-0x0000000074671000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing