xtremerat | b02632a6a15eb3e5d7a690a7e363ae5685071706661da4a763f7b74a7a9f4956

General

Target

5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe
Size

324KB
MD5

5ff50633fb0551da45ebc11b0f40b7dc
SHA1

a2b4aa242a3485baf0a16939204221306e5e7ab3
SHA256

b02632a6a15eb3e5d7a690a7e363ae5685071706661da4a763f7b74a7a9f4956
SHA512

44075dfc94674c3cd373e9a2fde386eece7d18eabae0ac70dbd35c6f55694aac25a3eade6a35b67630d7a07d75b64a2251199aa796c93a3a487e339d5c20d66e
SSDEEP

3072:cv5ig0U6OqFsQKf4UkqOZqh/bLByPrHrguP6rPGIi43q:cv+P6rPU4

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

alforkane.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/2392-2-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2392-3-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2392-4-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2392-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4980-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2392-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4980-8-0x0000000010000000-0x0000000010048000-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 3164 set thread context of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84

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
2696	4980	WerFault.exe	85
776	4980	WerFault.exe	85

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	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 3164 wrote to memory of 2392	3164	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	84
PID 2392 wrote to memory of 4980	2392	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	85
PID 2392 wrote to memory of 4980	2392	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	85
PID 2392 wrote to memory of 4980	2392	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	85
PID 2392 wrote to memory of 4980	2392	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	85
PID 2392 wrote to memory of 2204	2392	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	88
PID 2392 wrote to memory of 2204	2392	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	88
PID 2392 wrote to memory of 2204	2392	5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Users\Admin\AppData\Local\Temp\5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5ff50633fb0551da45ebc11b0f40b7dc_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4980
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 480
      4⤵
      Program crash
      PID:2696
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 488
      4⤵
      Program crash
      PID:776
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4980 -ip 4980
1⤵
PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4980 -ip 4980
1⤵
PID:1348

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/2392-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2392-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2392-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2392-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2392-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4980-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4980-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

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