xtremerat | 385270587c4693eaafbee4a85c8cea648cc737146b331d07f5be213188296355

General

Target

JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe
Size

600KB
MD5

efd0b7be6a79ea322ca33bcd6b6a16a8
SHA1

73dada257b99613d2b74495ba7babd8a74f7adc1
SHA256

385270587c4693eaafbee4a85c8cea648cc737146b331d07f5be213188296355
SHA512

a9004fb2b17126c81cbe1b47e58f03115673f702219daebdfe804ad367fdb34fa21f8b58d9ff843faa5641d78c5781f86276e07be7714334c9deee0f0c19c934
SSDEEP

6144:bet53wzrM3sYpc/uvoP4kg9mX4h5u/aA1l3WQwzrM3sYpcQJwe:bG9wZ0c/u59UtWQwZ0ckw

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

azoozhashmi.zapto.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2688-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2688-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1404-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2688-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1404-9-0x0000000010000000-0x0000000010048000-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 4128 set thread context of 2688	4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	86

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2688-2-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2688-4-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2688-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2688-5-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1404-7-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2688-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1404-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4372	1404	WerFault.exe	87
4156	1404	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 4 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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.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
4360	MicrosoftEdgeUpdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4128 wrote to memory of 2688	4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	86
PID 4128 wrote to memory of 2688	4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	86
PID 4128 wrote to memory of 2688	4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	86
PID 4128 wrote to memory of 2688	4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	86
PID 4128 wrote to memory of 2688	4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	86
PID 4128 wrote to memory of 2688	4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	86
PID 4128 wrote to memory of 2688	4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	86
PID 4128 wrote to memory of 2688	4128	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	86
PID 2688 wrote to memory of 1404	2688	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	87
PID 2688 wrote to memory of 1404	2688	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	87
PID 2688 wrote to memory of 1404	2688	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	87
PID 2688 wrote to memory of 1404	2688	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	87
PID 2688 wrote to memory of 904	2688	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	89
PID 2688 wrote to memory of 904	2688	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	89
PID 2688 wrote to memory of 904	2688	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4128
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1404
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 488
      4⤵
      Program crash
      PID:4372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 508
      4⤵
      Program crash
      PID:4156
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1404 -ip 1404
1⤵
PID:4524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1404 -ip 1404
1⤵
PID:4776

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDYxMDI1Nzg2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4360

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/1404-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1404-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2688-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2688-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2688-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2688-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2688-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing