xtremerat | 73bc5a7ada8c3afe07d9468c99be9b7f3c7c56b9ab228c2427888dc72bb10c74

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 11:18

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General

Target

JaffaCakes118_64b1c254341d478d4323d59778c26d5d.exe
Size

30KB
MD5

64b1c254341d478d4323d59778c26d5d
SHA1

17313afb5bcf5e8ebb7fc550798874e4d2dabc24
SHA256

73bc5a7ada8c3afe07d9468c99be9b7f3c7c56b9ab228c2427888dc72bb10c74
SHA512

03da0fdeab6ba09cbc5a6d159709e84b5209116a8ef9260cdf19e318f0f579724c7b8ef1c6ada1302e85f149ad3daa311ab50e33a87789f0e1d75b87c1543157
SSDEEP

768:N4l/50VTed7IY+K3LeJPd2lVMG7sxrl4U2sJD7cG2:TTvu7YOMqsvBD7v2

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2772-0-0x0000000010000000-0x000000001004A000-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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2772-0-0x0000000010000000-0x000000001004A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2200	2772	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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_64b1c254341d478d4323d59778c26d5d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2200	2772	JaffaCakes118_64b1c254341d478d4323d59778c26d5d.exe	31
PID 2772 wrote to memory of 2200	2772	JaffaCakes118_64b1c254341d478d4323d59778c26d5d.exe	31
PID 2772 wrote to memory of 2200	2772	JaffaCakes118_64b1c254341d478d4323d59778c26d5d.exe	31
PID 2772 wrote to memory of 2200	2772	JaffaCakes118_64b1c254341d478d4323d59778c26d5d.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64b1c254341d478d4323d59778c26d5d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64b1c254341d478d4323d59778c26d5d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 160
  2⤵
  - Program crash
  PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2772-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

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