xtremerat | 3f7c9c97010e043df357cea88cf1ad4f2c7075731676389bd6fd7043e75fb8f9

General

Target

JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe
Size

97KB
MD5

c4bec08a7d4e65710317bd8c5e32f7e3
SHA1

ade7ee609e3c25d576568a29a332872b266bdc20
SHA256

3f7c9c97010e043df357cea88cf1ad4f2c7075731676389bd6fd7043e75fb8f9
SHA512

c961c71f816b52585957216ae19947e156e4cb430ad28de4dcbf09c6d9d791c052448fbe07769790065458301c7a7f1b674c196639bb154424202c11aa18ff78
SSDEEP

1536:68g+JSXNSeVeJUauz0z9OjGQehxVuH7VtOhlthndT0BFLnE+G6DxCEp:6R+JSdSBuz0z9OjG1xUx8/tpdgfEwLp

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

franco1.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2752-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2752-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2920-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2752-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2920-13-0x0000000010000000-0x000000001004D000-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 2640 set thread context of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2752-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2752-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2752-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2752-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2920-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2752-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2920-13-0x0000000010000000-0x000000001004D000-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	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30
PID 2640 wrote to memory of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30
PID 2640 wrote to memory of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30
PID 2640 wrote to memory of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30
PID 2640 wrote to memory of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30
PID 2640 wrote to memory of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30
PID 2640 wrote to memory of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30
PID 2640 wrote to memory of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30
PID 2640 wrote to memory of 2752	2640	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	30
PID 2752 wrote to memory of 2920	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	31
PID 2752 wrote to memory of 2920	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	31
PID 2752 wrote to memory of 2920	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	31
PID 2752 wrote to memory of 2920	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	31
PID 2752 wrote to memory of 2920	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	31
PID 2752 wrote to memory of 2628	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	32
PID 2752 wrote to memory of 2628	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	32
PID 2752 wrote to memory of 2628	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	32
PID 2752 wrote to memory of 2628	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	32
PID 2752 wrote to memory of 2628	2752	JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4bec08a7d4e65710317bd8c5e32f7e3.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2920
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2628

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/2752-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2752-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2752-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2752-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2752-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2920-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2920-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2920-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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