xtremerat | c4a5882cf2286a8b2d552f212c0cc88b49300829962fa2ac750cba20ad7fa37a

General

Target

609df379359175dbbeef3735204342dd_JaffaCakes118.exe
Size

1.5MB
MD5

609df379359175dbbeef3735204342dd
SHA1

5f74b5a3bd063d9d2602c823160adc57e6760464
SHA256

c4a5882cf2286a8b2d552f212c0cc88b49300829962fa2ac750cba20ad7fa37a
SHA512

ef99f34cbc93589abb24b096391299e40047a18758b614e889d7dea0130625209cb2a2895ab21576f6b8b41c8a750e9cdddca24b4007968ffec4a4023e8d45fd
SSDEEP

3072:uem/7Now1RD4rn83ubRXlBCDHt+AIh2cdTUBx5lpcHqAsis7OBpkHEmWvyRL99fa:uHXGhQ/7G7DqQU/X3+fdxUC7D

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

serials.cc

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2220-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2220-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2220-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2220-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2220-6-0x0000000010000000-0x000000001004A000-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 2440 set thread context of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	609df379359175dbbeef3735204342dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	609df379359175dbbeef3735204342dd_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2220	2440	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2744	2220	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2744	2220	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2744	2220	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2744	2220	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2744	2220	609df379359175dbbeef3735204342dd_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\609df379359175dbbeef3735204342dd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\609df379359175dbbeef3735204342dd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\609df379359175dbbeef3735204342dd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\609df379359175dbbeef3735204342dd_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2744

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/2220-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2220-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2220-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2220-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2220-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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