xtremerat | 39b3e4377f07d38c73113bea15a84d8b02c3abffab19e8f9dec39ffc0d76128d

General

Target

JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe
Size

869KB
MD5

ecaa7d067d5d92a4db34598d0897426c
SHA1

18108f1883a50d8e957a5f6783a7d7fd0ec73958
SHA256

39b3e4377f07d38c73113bea15a84d8b02c3abffab19e8f9dec39ffc0d76128d
SHA512

28b8579ec51fa60ad2ecb2c423455f89b22dd70b94d34fc548a9fe24a8253f8d58cd63cb383e9015506f443a1af06f0aeaf973167cc924112917991acd581475
SSDEEP

24576:ZVqwhgLgQzG3T5ktqm49E9kbYMe3uCxTN+a:ZVqwhgEnD56qmb

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/1452-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1452-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1452-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1452-13-0x0000000010000000-0x000000001004D000-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 3032 set thread context of 1452	3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	30

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1452-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1452-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1452-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1452-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1452-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1452-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1452-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1452-13-0x0000000010000000-0x000000001004D000-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 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	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1452

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/1452-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1452-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1452-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1452-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1452-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1452-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1452-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1452-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1452-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1452-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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