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
behavioral2/memory/3340-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3340-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3340-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3340-8-0x0000000010000000-0x000000001004D000-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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
54	2372	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1248 set thread context of 3340	1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	89

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3340-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3340-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3340-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3340-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3340-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3340-8-0x0000000010000000-0x000000001004D000-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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1204	MicrosoftEdgeUpdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 3340	1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	89
PID 1248 wrote to memory of 3340	1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	89
PID 1248 wrote to memory of 3340	1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	89
PID 1248 wrote to memory of 3340	1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	89
PID 1248 wrote to memory of 3340	1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	89
PID 1248 wrote to memory of 3340	1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	89
PID 1248 wrote to memory of 3340	1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	89
PID 1248 wrote to memory of 3340	1248	JaffaCakes118_ecaa7d067d5d92a4db34598d0897426c.exe	89

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:1248
- 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:3340

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzE4MTY4ODU5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1204

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3340-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3340-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3340-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3340-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3340-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3340-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing