xtremerat | 977820fcfce4bb8e9af2b5e4c505b668a56c0a29de6c623cc3d190fefb4e259a

General

Target

6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
Size

552KB
MD5

6e48070fa946f236a14394c06f21e2d1
SHA1

bd6476462051ce2f6c5f8037b51951e49c56831c
SHA256

977820fcfce4bb8e9af2b5e4c505b668a56c0a29de6c623cc3d190fefb4e259a
SHA512

86fbacefe6e3f28e9f1354c3d9cd47564e70e31f220e61bfb0e50d13d5531c491e6d91f6a30a14779645a7127024046e6fdd2bd32bcce20b9c3b631bc5e5ae9b
SSDEEP

12288:9tB3ghKLWZTPJQy0VYP/wSuZqbNrMsKpaDUN:9tBMKLW7Qy0W7w4NrVDC

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

2hask.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4464-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4464-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4464-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2076-12-0x0000000010000000-0x0000000010048000-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

description	pid	Process	procid_target
PID 2228 set thread context of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87

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
4948	2076	WerFault.exe	88
1364	2076	WerFault.exe	88

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	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 2228 wrote to memory of 4464	2228	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	87
PID 4464 wrote to memory of 2076	4464	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	88
PID 4464 wrote to memory of 2076	4464	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	88
PID 4464 wrote to memory of 2076	4464	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	88
PID 4464 wrote to memory of 2076	4464	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4464
- - C:\Windows\SysWOW64\NOTEPAD.EXE
    NOTEPAD.EXE
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2076
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 480
      4⤵
      Program crash
      PID:4948
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 488
      4⤵
      Program crash
      PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2076 -ip 2076
1⤵
PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2076 -ip 2076
1⤵
PID:1604

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/2076-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2228-0-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/2228-2-0x00000000005A7000-0x00000000005C4000-memory.dmp

Filesize
116KB

Download
memory/2228-1-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/2228-3-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/2228-10-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/2228-11-0x00000000005A7000-0x00000000005C4000-memory.dmp

Filesize
116KB

Download
memory/4464-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4464-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4464-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

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