xtremerat | 45d04ddf5b327e1a2e6cc1051c4dd748f21ca87f1ecfae0d0b7b96e606f421cc

General

Target

JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
Size

105KB
MD5

0e7622405ca5626eb71a146152920da4
SHA1

875729847db7f3b7691e7510efb5f4f348cbb2cc
SHA256

45d04ddf5b327e1a2e6cc1051c4dd748f21ca87f1ecfae0d0b7b96e606f421cc
SHA512

aed1ba25f33d7f1d7f07a76de209606296a08f70904847870fec9b325b7b28a0118a40f4ff7301c800eb0ff2ad93eb1499a80b1fd148465c4c83f1da1603aa5e
SSDEEP

1536:Ss/psfKLveiUj+UgapkUbl+Wg1liDzssei13OzJbYhXh7dBemgKYHLHl2yODxleq:r/cyelTpkUbQW8yiiFxhEmg9HLH3sxB

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mmsalti.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4960-10-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral2/memory/4960-11-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral2/memory/5100-12-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral2/memory/4960-15-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral2/memory/5100-16-0x0000000010000000-0x0000000010052000-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 4936 set thread context of 4960	4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	82

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4960-5-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral2/memory/4960-9-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral2/memory/4960-10-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral2/memory/4960-11-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral2/memory/5100-12-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral2/memory/4960-15-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral2/memory/5100-16-0x0000000010000000-0x0000000010052000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\191507_get-her-to-have-dirty-sex-flash.jpg.exe	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
File created	C:\Windows\191507_get-her-to-have-dirty-sex-flash.jpg	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe

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
4348	5100	WerFault.exe	83
4284	5100	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_0e7622405ca5626eb71a146152920da4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 4960	4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	82
PID 4936 wrote to memory of 4960	4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	82
PID 4936 wrote to memory of 4960	4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	82
PID 4936 wrote to memory of 4960	4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	82
PID 4936 wrote to memory of 4960	4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	82
PID 4936 wrote to memory of 4960	4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	82
PID 4936 wrote to memory of 4960	4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	82
PID 4936 wrote to memory of 4960	4936	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	82
PID 4960 wrote to memory of 5100	4960	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	83
PID 4960 wrote to memory of 5100	4960	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	83
PID 4960 wrote to memory of 5100	4960	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	83
PID 4960 wrote to memory of 5100	4960	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	83
PID 4960 wrote to memory of 2036	4960	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	84
PID 4960 wrote to memory of 2036	4960	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	84
PID 4960 wrote to memory of 2036	4960	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4960
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 344
      4⤵
      Program crash
      PID:4348
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 488
      4⤵
      Program crash
      PID:4284
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5100 -ip 5100
1⤵
PID:732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5100 -ip 5100
1⤵
PID:3176

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/4936-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/4936-1-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/4936-8-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/4960-5-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/4960-9-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/4960-10-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/4960-11-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/4960-15-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/5100-12-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/5100-16-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download

Analysis

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