xtremerat | b25111afe74845bb2ee49b59e72b15029d87764e32cbcb83065d24c56794ea71

General

Target

156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe
Size

198KB
MD5

156f0c14b41c8d2924b4649567f43b3a
SHA1

026df5fccde95937a4299b04f015d83c4ded7682
SHA256

b25111afe74845bb2ee49b59e72b15029d87764e32cbcb83065d24c56794ea71
SHA512

7c67a76be959e4a44cd87bff043fba68df4f403864436c047cce28c8159d82c9051c0efe23fee688133ce56d8302b41c3140fc7d7ce6ba53d4c3cf7d15041b95
SSDEEP

6144:ZKtVKQQn+aCyIK3ccnMxjlU0gYJ1z6m/A:ZKfKFW1K3DnsfRJg

Score

10^/10

xtremerat bootkit persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

franco1.no-ip.org

Signatures

Detect XtremeRAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/568-33-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1608-36-0x0000000010000000-0x000000001004D000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/568-30-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/568-32-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/568-33-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1608-36-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe
2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28
PID 2244 wrote to memory of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28
PID 2244 wrote to memory of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28
PID 2244 wrote to memory of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28
PID 2244 wrote to memory of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28
PID 2244 wrote to memory of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28
PID 2244 wrote to memory of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28
PID 2244 wrote to memory of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28
PID 2244 wrote to memory of 568	2244	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	28
PID 568 wrote to memory of 1608	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	29
PID 568 wrote to memory of 1608	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	29
PID 568 wrote to memory of 1608	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	29
PID 568 wrote to memory of 1608	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	29
PID 568 wrote to memory of 1608	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	29
PID 568 wrote to memory of 2656	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	30
PID 568 wrote to memory of 2656	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	30
PID 568 wrote to memory of 2656	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	30
PID 568 wrote to memory of 2656	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	30
PID 568 wrote to memory of 2656	568	156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\156f0c14b41c8d2924b4649567f43b3a_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:568
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1608
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/568-30-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/568-33-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/568-32-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1608-34-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1608-36-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2244-20-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2244-16-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/2244-29-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/2244-28-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2244-27-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download
memory/2244-26-0x00000000024D0000-0x00000000024D1000-memory.dmp

Filesize
4KB

Download
memory/2244-25-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/2244-24-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2244-23-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2244-22-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2244-21-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2244-0-0x0000000002580000-0x0000000002582000-memory.dmp

Filesize
8KB

Download
memory/2244-19-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download
memory/2244-18-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2244-17-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/2244-8-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-15-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-14-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-13-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-12-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-11-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-10-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-9-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-2-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/2244-3-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/2244-5-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-31-0x0000000000400000-0x0000000000472029-memory.dmp

Filesize
456KB

Download
memory/2244-6-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2244-7-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads