xtremerat | 4c69bc92451cfa5585f761ceced26f12e3a9aa9f8d7651fb908dca0e112a9a13

General

Target

JaffaCakes118_16605422044d8bbf3871382d49818af5.exe
Size

254KB
MD5

16605422044d8bbf3871382d49818af5
SHA1

5576842c66d5e4cd46be6899d974d35b5daabc39
SHA256

4c69bc92451cfa5585f761ceced26f12e3a9aa9f8d7651fb908dca0e112a9a13
SHA512

31c3931c7fe68c27a57e3cc146b95555a105bcbf3dc6305a635e32c79b93ae2267d9dfe86e88e7ff0db73f41903ec44673d75a2a0d98c1922f9aa643956feb9d
SSDEEP

6144:AF5m+kXDGqow4Cf9ZYMejHyd0etcn6NZZ08pu3yQy+kyU014/oxgh7U:LXDGqowPf9ZY7LO0eKnQ06IyQy+khoeK

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

maradona.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4064-8-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral2/memory/1064-9-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral2/memory/4064-10-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral2/memory/1064-11-0x0000000010000000-0x000000001004E000-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 1912 set thread context of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4064-2-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/4064-4-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/4064-6-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/4064-8-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/1064-9-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/4064-10-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/1064-11-0x0000000010000000-0x000000001004E000-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
1748	1064	WerFault.exe	84
368	1064	WerFault.exe	84

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_16605422044d8bbf3871382d49818af5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 1912 wrote to memory of 4064	1912	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	83
PID 4064 wrote to memory of 1064	4064	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	84
PID 4064 wrote to memory of 1064	4064	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	84
PID 4064 wrote to memory of 1064	4064	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	84
PID 4064 wrote to memory of 1064	4064	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	84
PID 4064 wrote to memory of 1888	4064	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	85
PID 4064 wrote to memory of 1888	4064	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	85
PID 4064 wrote to memory of 1888	4064	JaffaCakes118_16605422044d8bbf3871382d49818af5.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16605422044d8bbf3871382d49818af5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16605422044d8bbf3871382d49818af5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16605422044d8bbf3871382d49818af5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16605422044d8bbf3871382d49818af5.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4064
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1064
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 480
      4⤵
      Program crash
      PID:1748
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 488
      4⤵
      Program crash
      PID:368
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1064 -ip 1064
1⤵
PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1064 -ip 1064
1⤵
PID:2688

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/1064-9-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1064-11-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4064-2-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4064-4-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4064-6-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4064-8-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4064-10-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

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