xtremerat | af3adb0fa36eefa5de9d4e2c72e504b78145a09d927ea1870f24b983e0971cc3

General

Target

JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe
Size

65KB
MD5

201c2776d6eece622682eecb4130c8eb
SHA1

bf27a56926538a37d3328579e23368e5af77a099
SHA256

af3adb0fa36eefa5de9d4e2c72e504b78145a09d927ea1870f24b983e0971cc3
SHA512

59db19c0e735dca518b9f1941c22741aa40e4e9ec2c685e874553f1a1e00f8607b5e6b42c68064bb24e5a3a34209e12847354840673f5b658ee63c5e11f8a574
SSDEEP

1536:avB8hHx3krM9KvqJcSOIHtquYwQF3ikbNMTnu:apkRQM9Kv21quYw03p5cnu

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

princedz.no-ip.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/464-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/464-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/464-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/464-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3720-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/464-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3720-11-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2424-0-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral2/memory/2424-6-0x0000000000400000-0x000000000044D000-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
4572	3720	WerFault.exe	83
3880	3720	WerFault.exe	83

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	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 2424 wrote to memory of 464	2424	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	82
PID 464 wrote to memory of 3720	464	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	83
PID 464 wrote to memory of 3720	464	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	83
PID 464 wrote to memory of 3720	464	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	83
PID 464 wrote to memory of 3720	464	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	83
PID 464 wrote to memory of 4908	464	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	84
PID 464 wrote to memory of 4908	464	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	84
PID 464 wrote to memory of 4908	464	JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_201c2776d6eece622682eecb4130c8eb.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:464
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3720
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 476
      4⤵
      Program crash
      PID:4572
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 472
      4⤵
      Program crash
      PID:3880
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3720 -ip 3720
1⤵
PID:1472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3720 -ip 3720
1⤵
PID:3988

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/464-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/464-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/464-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/464-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/464-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2424-0-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2424-6-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3720-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3720-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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