xtremerat | cea86211416777d63d51af1a9110b4d47a66a4cd1d1c29c66383c71e64f8cfaf

General

Target

d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe
Size

756KB
MD5

d94993f5de32a5e4fa409c543231c9e0
SHA1

41b4eee0c49086e7194dd4c9a32f4164b6909fa6
SHA256

cea86211416777d63d51af1a9110b4d47a66a4cd1d1c29c66383c71e64f8cfaf
SHA512

4fe8b39e8241b8258e6acc89aa2cc55f78eaf7152a4b4a8b16e9b33320e8ceb24461b92c2a7874300af7d9625e74306ed41b941ffcb7130a52689c9c546f354d
SSDEEP

6144:ajYk6uqCv2D6QVybFmMVSd6hqgIyIXkoYgnETmUZ0X+krjEmOSDeQEB0pIqOrIEi:VluZv2G7b7IyIGEITUHR

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

rezzknight33.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3428-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3428-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3428-7-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4560 set thread context of 3428	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	85
PID 4560 set thread context of 2324	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	86

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3428-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3428-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3428-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3428-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3428-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4312	2324	WerFault.exe	86

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	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 3428	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	85
PID 4560 wrote to memory of 3428	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	85
PID 4560 wrote to memory of 3428	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	85
PID 4560 wrote to memory of 3428	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	85
PID 4560 wrote to memory of 3428	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	85
PID 4560 wrote to memory of 3428	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	85
PID 4560 wrote to memory of 3428	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	85
PID 4560 wrote to memory of 3428	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	85
PID 4560 wrote to memory of 2324	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	86
PID 4560 wrote to memory of 2324	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	86
PID 4560 wrote to memory of 2324	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	86
PID 4560 wrote to memory of 2324	4560	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	86
PID 3428 wrote to memory of 3636	3428	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	89
PID 3428 wrote to memory of 3636	3428	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	89
PID 3428 wrote to memory of 3636	3428	d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Users\Admin\AppData\Local\Temp\d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3428
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3636
- C:\Users\Admin\AppData\Local\Temp\d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d94993f5de32a5e4fa409c543231c9e0_JaffaCakes118.exe
  2⤵
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 80
    3⤵
    - Program crash
    PID:4312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2324 -ip 2324
1⤵
PID:4464

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

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Downloads

memory/3428-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3428-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3428-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3428-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3428-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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