xtremerat | 4b8f2efc6b6708212a37f77d12106a05bfd95d2472b8b457ab106026931c8950

General

Target

JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe
Size

97KB
MD5

d9798a31ce84b181f6883ebdbdc14aac
SHA1

17aaae4a5d11f15514542abc45c58a38570ca224
SHA256

4b8f2efc6b6708212a37f77d12106a05bfd95d2472b8b457ab106026931c8950
SHA512

5d30fc7c6991ea2d657e8808f3174e3d2aaf3468f39bf5553bea4d60c6a578c654cbddbb36256d47bd69602bf830f570d6eaa6fb572e35f724e44fc5ca5d0791
SSDEEP

1536:/7zXAgMgOFfBzXqNW71rcYDAWeotvXl6GLT:Tjl5OJjqNW7dEvotvX4GL

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

franco1.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2120-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2120-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2120-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1088-16-0x0000000010000000-0x000000001004D000-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 2360 set thread context of 2120	2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	31

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2120-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2120-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2120-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2120-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2120-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2120-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2120-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1088-16-0x0000000010000000-0x000000001004D000-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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2120	2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	31
PID 2360 wrote to memory of 2120	2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	31
PID 2360 wrote to memory of 2120	2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	31
PID 2360 wrote to memory of 2120	2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	31
PID 2360 wrote to memory of 2120	2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	31
PID 2360 wrote to memory of 2120	2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	31
PID 2360 wrote to memory of 2120	2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	31
PID 2360 wrote to memory of 2120	2360	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	31
PID 2120 wrote to memory of 1088	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	32
PID 2120 wrote to memory of 1088	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	32
PID 2120 wrote to memory of 1088	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	32
PID 2120 wrote to memory of 1088	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	32
PID 2120 wrote to memory of 1088	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	32
PID 2120 wrote to memory of 2868	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	33
PID 2120 wrote to memory of 2868	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	33
PID 2120 wrote to memory of 2868	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	33
PID 2120 wrote to memory of 2868	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	33
PID 2120 wrote to memory of 2868	2120	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1088
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2868

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

Loading Replay Monitor...

Downloads

memory/1088-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2120-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2120-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2120-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2120-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2120-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2120-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2120-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2120-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2120-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing