xtremerat | 310610ea4ca54ccc31198c7abc029194a220805d7aace4bfc347f9da6e71de81

General

Target

719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
Size

437KB
MD5

719fc69a8f4ef822cdef72e74e7abfd1
SHA1

950e086289b8897d31dfeddfef0396adf9f24d2f
SHA256

310610ea4ca54ccc31198c7abc029194a220805d7aace4bfc347f9da6e71de81
SHA512

1f6df574ae72926757fbab26acc3d4e4c33298002b00cc417305eb33ff672f2ace8b7e1ecefb64e83bf9e9314b8e19cb57fcaeffc710bb5be428f0c46b72adc5
SSDEEP

6144:tSRbCBasF5wyx9MyVOX7HBecbeu0iqNsgmovzmzKM5MN0E9JhWBgUd6Ys:tSReBh1xkAce2qNluW9JOXk

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

pokito.linkpc.net

Signatures

Detect XtremeRAT payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4460-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4460-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1160-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4460-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1160-13-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

Processes:

719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe

description	pid	process	target process
PID 436 set thread context of 4460	436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4460-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4460-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4460-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4460-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1160-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4460-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1160-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3892 1160 WerFault.exe svchost.exe
1936 1160 WerFault.exe svchost.exe

pid	pid_target	process	target process
3892	1160	WerFault.exe	svchost.exe
1936	1160	WerFault.exe	svchost.exe

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

Processes:

svchost.exe719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe

pid process

436 719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe

pid	process
436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe

description	pid	process	target process
PID 436 wrote to memory of 4460	436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
PID 436 wrote to memory of 4460	436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
PID 436 wrote to memory of 4460	436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
PID 436 wrote to memory of 4460	436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
PID 436 wrote to memory of 4460	436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
PID 436 wrote to memory of 4460	436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
PID 436 wrote to memory of 4460	436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
PID 436 wrote to memory of 4460	436	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
PID 4460 wrote to memory of 1160	4460	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	svchost.exe
PID 4460 wrote to memory of 1160	4460	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	svchost.exe
PID 4460 wrote to memory of 1160	4460	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	svchost.exe
PID 4460 wrote to memory of 1160	4460	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	svchost.exe
PID 4460 wrote to memory of 5096	4460	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	msedge.exe
PID 4460 wrote to memory of 5096	4460	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	msedge.exe
PID 4460 wrote to memory of 5096	4460	719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:436
- C:\Users\Admin\AppData\Local\Temp\719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\719fc69a8f4ef822cdef72e74e7abfd1_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1160
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 472
      4⤵
      Program crash
      PID:3892
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 504
      4⤵
      Program crash
      PID:1936
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1160 -ip 1160
1⤵
PID:3256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1160 -ip 1160
1⤵
PID:1992

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/436-0-0x0000000000400000-0x00000000004E1000-memory.dmp

Filesize
900KB

Download
memory/436-7-0x0000000000400000-0x00000000004E1000-memory.dmp

Filesize
900KB

Download
memory/1160-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1160-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4460-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4460-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4460-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4460-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4460-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads