xtremerat | 11d7f93b2f4fce6f9279842c6bd997a0005d8156809b3d0b2849f1856439c1a5

General

Target

JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
Size

612KB
MD5

8af2d2d5b76bee07f9368262510c1c27
SHA1

00059b7b2451b0c2dfc1811482b4b6897b54d6eb
SHA256

11d7f93b2f4fce6f9279842c6bd997a0005d8156809b3d0b2849f1856439c1a5
SHA512

5a4edf312f3398e4c7d367772b92599b1c4969f4ecd7edaf66230a15ced1a23515fe93e197f62581620ed9afd0e65210f1d784feca0b677b90d43384573b9b66
SSDEEP

1536:EQ1OGEMLcQYGyBIbTko4rgq5FCBLVwkv1:F1OGEMLSyqrmT

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/1868-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1868-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1868-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1868-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2544-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1868-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2544-11-0x0000000010000000-0x000000001004A000-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 2608 set thread context of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31

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 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	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	31
PID 1868 wrote to memory of 2544	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	32
PID 1868 wrote to memory of 2544	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	32
PID 1868 wrote to memory of 2544	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	32
PID 1868 wrote to memory of 2544	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	32
PID 1868 wrote to memory of 2544	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	32
PID 1868 wrote to memory of 1728	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	33
PID 1868 wrote to memory of 1728	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	33
PID 1868 wrote to memory of 1728	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	33
PID 1868 wrote to memory of 1728	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	33
PID 1868 wrote to memory of 1728	1868	JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af2d2d5b76bee07f9368262510c1c27.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1868
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2544
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1728

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/1868-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1868-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1868-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1868-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1868-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2544-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2544-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2544-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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