xtremerat | 6b8137249e29b40b4f8c3a3f8e24611639f2238547317abb1696508ef342fc6c

General

Target

ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe
Size

314KB
MD5

ffd7ecba9e2174f097266e504128ca4d
SHA1

adbeabe36487ff10f44ed456d4e29d6a152633c8
SHA256

6b8137249e29b40b4f8c3a3f8e24611639f2238547317abb1696508ef342fc6c
SHA512

05c263a1ff2d7465fcbebd21136bcc3f8dd6c68b63952321c1046cc50e387cd7cd052a49e6edec9c13de5f22c6fcca585018f50797373c02780907150c67bfbe
SSDEEP

6144:yxwcWznycB4HnF++Hr6H4wioN9mFrQfSHx3wL/wXP0If+:qw7nfB4HwyreHioKafJwfZ+

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

maradona.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/1400-15-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral1/memory/2744-18-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral1/memory/1400-19-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral1/memory/2744-20-0x0000000010000000-0x000000001004E000-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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1400-5-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral1/memory/1400-11-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral1/memory/1400-13-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral1/memory/1400-8-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral1/memory/1400-4-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral1/memory/1400-15-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral1/memory/1400-3-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral1/memory/2744-18-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral1/memory/1400-19-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral1/memory/2744-20-0x0000000010000000-0x000000001004E000-memory.dmp	upx

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe
2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30
PID 2656 wrote to memory of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30
PID 2656 wrote to memory of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30
PID 2656 wrote to memory of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30
PID 2656 wrote to memory of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30
PID 2656 wrote to memory of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30
PID 2656 wrote to memory of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30
PID 2656 wrote to memory of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30
PID 2656 wrote to memory of 1400	2656	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	30
PID 1400 wrote to memory of 2744	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	31
PID 1400 wrote to memory of 2744	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	31
PID 1400 wrote to memory of 2744	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	31
PID 1400 wrote to memory of 2744	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	31
PID 1400 wrote to memory of 2744	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	31
PID 1400 wrote to memory of 2592	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	32
PID 1400 wrote to memory of 2592	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	32
PID 1400 wrote to memory of 2592	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	32
PID 1400 wrote to memory of 2592	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	32
PID 1400 wrote to memory of 2592	1400	ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ffd7ecba9e2174f097266e504128ca4d_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2744
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

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/1400-8-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1400-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1400-5-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1400-11-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1400-13-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1400-2-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1400-4-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1400-15-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1400-3-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/1400-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2656-10-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2744-18-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2744-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

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