xtremerat | 9e6883b40fc42b99f21c778b290f75ece100e00d2852b305f3c820e2ea24a767

Analysis

max time kernel
149s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 18:28

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General

Target

4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe
Size

33KB
MD5

4e5a43c73a6a13ba1be39b1953f7a568
SHA1

9c4d927b16c86528ad67321ac241bae84affcc3b
SHA256

9e6883b40fc42b99f21c778b290f75ece100e00d2852b305f3c820e2ea24a767
SHA512

ec396fc953f52c5d1af44a494f0cc5bb5a8f92bbb551c3589e8c42a4d2ac04931ebfbe481648ef64dc63ad9c9a20fd0cc61373a29104b6761e79d868357c4779
SSDEEP

768:TMuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsgRMdd5rdW4pLQha:oNW71rcYDAWeoDrsEud5rd3NK

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2748-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2656-4-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2748-5-0x0000000010000000-0x000000001004D000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2656-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2748-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2656-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2748-5-0x0000000010000000-0x000000001004D000-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	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2748	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2748	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2748	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2748	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2748	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2804	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	31
PID 2656 wrote to memory of 2804	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	31
PID 2656 wrote to memory of 2804	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	31
PID 2656 wrote to memory of 2804	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	31
PID 2656 wrote to memory of 2804	2656	4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4e5a43c73a6a13ba1be39b1953f7a568_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/2656-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2656-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2748-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2748-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2748-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download