xtremerat | f065f75b80a311d58c797665a467658ccb5eeb5267b1cfb5989abfc948d1f5b7

General

Target

89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe
Size

593KB
MD5

89ed672f2d81e02e3f7e84f2328e779b
SHA1

b3300c9f5a479cf6ce7ee8a9f0317b840fd89ec3
SHA256

f065f75b80a311d58c797665a467658ccb5eeb5267b1cfb5989abfc948d1f5b7
SHA512

e7672ee9cd6c04f2aed3be7ea331ce0b795a586159469c6e367ca140817a8ebac0a7c2fcf86091ecfee4bd37808df87780dbb5f4e4ab3fd0716a369215e2775d
SSDEEP

12288:feJRN7fn5nPm52R/E3A9TVF/3M3MAQJ+lhBWtexuC4LgazPLjKKNqKAW:2jRn5Pm52RcQZ7/83MzsGexfopz3KKn

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

muderlovelovelove.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4940-12-0x0000000010000000-0x00000000100D3000-memory.dmp	family_xtremerat
behavioral2/memory/2648-16-0x0000000010000000-0x00000000100D3000-memory.dmp	family_xtremerat
behavioral2/memory/4940-19-0x0000000010000000-0x00000000100D3000-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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\630Guitar-And-Ribbons-HD-Wallpaper.jpg.exe	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\630Guitar-And-Ribbons-HD-Wallpaper.jpg	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4940-12-0x0000000010000000-0x00000000100D3000-memory.dmp	upx
behavioral2/memory/2648-16-0x0000000010000000-0x00000000100D3000-memory.dmp	upx
behavioral2/memory/4940-19-0x0000000010000000-0x00000000100D3000-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
388	4940	WerFault.exe	84
4740	4940	WerFault.exe	84

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	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 4940	2648	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe	84
PID 2648 wrote to memory of 4940	2648	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe	84
PID 2648 wrote to memory of 4940	2648	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe	84
PID 2648 wrote to memory of 4940	2648	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe	84
PID 2648 wrote to memory of 232	2648	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe	85
PID 2648 wrote to memory of 232	2648	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe	85
PID 2648 wrote to memory of 232	2648	89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\89ed672f2d81e02e3f7e84f2328e779b_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 480
    3⤵
    - Program crash
    PID:388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 488
    3⤵
    - Program crash
    PID:4740
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4940 -ip 4940
1⤵
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4940 -ip 4940
1⤵
PID:4800

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/2648-2-0x0000000010000000-0x00000000100D3000-memory.dmp

Filesize
844KB

Download
memory/2648-3-0x0000000000A60000-0x0000000000A70000-memory.dmp

Filesize
64KB

Download
memory/2648-0-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/2648-7-0x0000000002330000-0x0000000002340000-memory.dmp

Filesize
64KB

Download
memory/2648-6-0x0000000002450000-0x0000000002460000-memory.dmp

Filesize
64KB

Download
memory/2648-5-0x00000000779E2000-0x00000000779E3000-memory.dmp

Filesize
4KB

Download
memory/2648-4-0x0000000002330000-0x0000000002340000-memory.dmp

Filesize
64KB

Download
memory/2648-17-0x00000000009E0000-0x0000000000A2E000-memory.dmp

Filesize
312KB

Download
memory/2648-8-0x00000000760A0000-0x00000000760A1000-memory.dmp

Filesize
4KB

Download
memory/2648-1-0x00000000009E0000-0x0000000000A2E000-memory.dmp

Filesize
312KB

Download
memory/2648-11-0x0000000076080000-0x0000000076170000-memory.dmp

Filesize
960KB

Download
memory/2648-10-0x0000000076080000-0x0000000076170000-memory.dmp

Filesize
960KB

Download
memory/2648-9-0x0000000076080000-0x0000000076170000-memory.dmp

Filesize
960KB

Download
memory/2648-18-0x0000000076080000-0x0000000076170000-memory.dmp

Filesize
960KB

Download
memory/2648-16-0x0000000010000000-0x00000000100D3000-memory.dmp

Filesize
844KB

Download
memory/4940-20-0x0000000076080000-0x0000000076170000-memory.dmp

Filesize
960KB

Download
memory/4940-13-0x0000000076080000-0x0000000076170000-memory.dmp

Filesize
960KB

Download
memory/4940-19-0x0000000010000000-0x00000000100D3000-memory.dmp

Filesize
844KB

Download
memory/4940-12-0x0000000010000000-0x00000000100D3000-memory.dmp

Filesize
844KB

Download

Analysis

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