xtremerat | 21780285d5f3f1e205884c482d452bd4eb55e492613d9d5dda1097f96e122f6d

General

Target

d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe
Size

1.0MB
MD5

d8fe93ced1df19c7f352ddad84dcc771
SHA1

e00fd8f15905821de5ffb0c0686530d06deb3211
SHA256

21780285d5f3f1e205884c482d452bd4eb55e492613d9d5dda1097f96e122f6d
SHA512

2f65bb2e35dacc2fb1ec4a74a77868d13ba22d1d6350ea31488b704a5283ecd30ef622d966867f7a4bc76a0e137293887384613cd9c5f396c468c4b8261c99df
SSDEEP

6144:4ORUQxcBKTxd5udhiNoG27CBNC7CBNGFul7EXgORUQxcBKTxd5udhiNo:4ORUw27+C7+57OgORU

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/392-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/392-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/392-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/392-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2912-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/392-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2912-8-0x0000000010000000-0x000000001004A000-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 3664 set thread context of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85

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
1860	2912	WerFault.exe	86
3176	2912	WerFault.exe	86

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 3664 wrote to memory of 392	3664	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	85
PID 392 wrote to memory of 2912	392	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	86
PID 392 wrote to memory of 2912	392	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	86
PID 392 wrote to memory of 2912	392	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	86
PID 392 wrote to memory of 2912	392	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	86
PID 392 wrote to memory of 5084	392	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	87
PID 392 wrote to memory of 5084	392	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	87
PID 392 wrote to memory of 5084	392	d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Users\Admin\AppData\Local\Temp\d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d8fe93ced1df19c7f352ddad84dcc771_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:392
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 480
      4⤵
      Program crash
      PID:1860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 488
      4⤵
      Program crash
      PID:3176
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2912 -ip 2912
1⤵
PID:3352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2912 -ip 2912
1⤵
PID:4596

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/392-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/392-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/392-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/392-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/392-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2912-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2912-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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