xtremerat | 872edc4c58c1375cc1555d0aa9045ff1ed5f0f37bbe3b2fa7c3bc2995f8016ca

General

Target
82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe
Size 668KB
Sample240802-dtz7latakk
SHA256 872edc4c58c1375cc1555d0aa9045ff1ed5f0f37bbe3b2fa7c3bc2995f8016ca
MD5 82d7d99c4fba793eb397ca6e0a8c5e35
SHA1 5a8782df89671b983d267c6c24de8f5ca964cb54
SHA512 9f257d5aba777750a2f41e536e7b37499dc99b0939a69b8e5f5f17049eb3ce0b3e97fbda3769caa872860b7e497824ab879414f22af84c2b8cfbe52e08fdd87f
SSDEEP 1536:99YX/XB6CXr7w484Ve4mUWv+xAR9zz+JGl7w49XgXB6iX:sPRF77P3me493nl7P9wRl
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

z2a.no-ip.info

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/4840-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4840-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4840-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4840-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1328-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4840-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1328-8-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3452 set thread context of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_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
4888	1328	WerFault.exe	89
3816	1328	WerFault.exe	89

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	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 3452 wrote to memory of 4840	3452	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	87
PID 4840 wrote to memory of 1328	4840	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	89
PID 4840 wrote to memory of 1328	4840	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	89
PID 4840 wrote to memory of 1328	4840	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	89
PID 4840 wrote to memory of 1328	4840	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	89
PID 4840 wrote to memory of 4332	4840	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	90
PID 4840 wrote to memory of 4332	4840	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	90
PID 4840 wrote to memory of 4332	4840	82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\82d7d99c4fba793eb397ca6e0a8c5e35_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1328
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 480
      4⤵
      Program crash
      PID:4888
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 488
      4⤵
      Program crash
      PID:3816
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1328 -ip 1328
1⤵
PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1328 -ip 1328
1⤵
PID:5052

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/1328-6-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1328-8-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4840-3-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4840-2-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4840-4-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4840-5-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4840-7-0x0000000010000000-0x000000001004A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads