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 6 IoCs

resource	yara_rule
behavioral1/memory/2152-13-0x0000000000C80000-0x0000000000CB3000-memory.dmp	family_xtremerat
behavioral1/memory/2152-10-0x0000000000C80000-0x0000000000CB3000-memory.dmp	family_xtremerat
behavioral1/memory/2152-9-0x0000000000C80000-0x0000000000CB3000-memory.dmp	family_xtremerat
behavioral1/memory/2152-8-0x0000000000C80000-0x0000000000CB3000-memory.dmp	family_xtremerat
behavioral1/memory/2152-7-0x0000000000C80000-0x0000000000CB3000-memory.dmp	family_xtremerat
behavioral1/memory/2152-6-0x0000000000C80000-0x0000000000CB3000-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

Executes dropped EXE 1 IoCs

pid	Process
2152	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe

Loads dropped DLL 1 IoCs

pid	Process
2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30
PID 2124 wrote to memory of 2152	2124	JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbc16e71dc91da34675fc286c4108f5f.exe
  2⤵
  - Executes dropped EXE
  PID:2152

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
320KB

MD5
cbc16e71dc91da34675fc286c4108f5f

SHA1
dafd6ea2d2cc8cd15d5229f58deb6656817fe0e6

SHA256
3a69a7047704eece1a85471641968a5b43269cac5bd2e5d55e6afea8b260d1a2

SHA512
48784f9308a5af17f06856d30487573be93dcada9c166683b81e7e61e56bc2757d36b4deb59f190f7efaf3b50880c8f76437a10a87e5a64e61e8274ef359bd29

Download Submit
memory/2124-0-0x0000000074E61000-0x0000000074E62000-memory.dmp

Filesize
4KB

Download
memory/2124-1-0x0000000074E60000-0x000000007540B000-memory.dmp

Filesize
5.7MB

Download
memory/2124-2-0x0000000074E60000-0x000000007540B000-memory.dmp

Filesize
5.7MB

Download
memory/2124-15-0x0000000074E60000-0x000000007540B000-memory.dmp

Filesize
5.7MB

Download
memory/2152-10-0x0000000000C80000-0x0000000000CB3000-memory.dmp

Filesize
204KB

Download
memory/2152-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2152-9-0x0000000000C80000-0x0000000000CB3000-memory.dmp

Filesize
204KB

Download
memory/2152-8-0x0000000000C80000-0x0000000000CB3000-memory.dmp

Filesize
204KB

Download
memory/2152-7-0x0000000000C80000-0x0000000000CB3000-memory.dmp

Filesize
204KB

Download
memory/2152-6-0x0000000000C80000-0x0000000000CB3000-memory.dmp

Filesize
204KB

Download
memory/2152-5-0x0000000000C80000-0x0000000000CB3000-memory.dmp

Filesize
204KB

Download
memory/2152-4-0x0000000000C80000-0x0000000000CB3000-memory.dmp

Filesize
204KB

Download
memory/2152-13-0x0000000000C80000-0x0000000000CB3000-memory.dmp

Filesize
204KB

Download

Analysis

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