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
behavioral1/memory/2828-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2828-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2668-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2828-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2668-11-0x0000000010000000-0x0000000010048000-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 2744 set thread context of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2828-5-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2828-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2828-4-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2828-2-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2668-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2828-10-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2668-11-0x0000000010000000-0x0000000010048000-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_efd0b7be6a79ea322ca33bcd6b6a16a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31
PID 2744 wrote to memory of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31
PID 2744 wrote to memory of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31
PID 2744 wrote to memory of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31
PID 2744 wrote to memory of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31
PID 2744 wrote to memory of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31
PID 2744 wrote to memory of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31
PID 2744 wrote to memory of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31
PID 2744 wrote to memory of 2828	2744	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	31
PID 2828 wrote to memory of 2668	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	32
PID 2828 wrote to memory of 2668	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	32
PID 2828 wrote to memory of 2668	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	32
PID 2828 wrote to memory of 2668	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	32
PID 2828 wrote to memory of 2668	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	32
PID 2828 wrote to memory of 2852	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	33
PID 2828 wrote to memory of 2852	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	33
PID 2828 wrote to memory of 2852	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	33
PID 2828 wrote to memory of 2852	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	33
PID 2828 wrote to memory of 2852	2828	JaffaCakes118_efd0b7be6a79ea322ca33bcd6b6a16a8.exe	33

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:2744
- 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:2828
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2668
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2852

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/2668-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2668-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2668-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2828-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2828-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2828-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2828-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2828-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

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