xtremerat | 13f0fa0ac5f348540052792b74727fa87af74eb405fe9f0bdcef7143c2f54acd

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 22:22

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General

Target

JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe
Size

40KB
MD5

68919af77e90aae30931fddcbf485eea
SHA1

da36546bfbf4f641ef1f8d482c1a18618ae6bf0f
SHA256

13f0fa0ac5f348540052792b74727fa87af74eb405fe9f0bdcef7143c2f54acd
SHA512

9b5ce1a918adb5eb905953989acb45a8a11d598b888debfef63dcbe9c95da8b47798c56d7200908ffeefcd2436f59d140fb427fb47d952bb68c9337b648d273e
SSDEEP

768:7yxsv4Mb+dRdSxEHj1WDFK/UlBfcQuRg63BsJC0MGd40:7ZvEEEHZklBfpeg63OJNxd4

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

bimbo-dz.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2416-3-0x0000000010000000-0x000000001004F000-memory.dmp	family_xtremerat
behavioral1/memory/1284-4-0x0000000010000000-0x000000001004F000-memory.dmp	family_xtremerat
behavioral1/memory/2416-5-0x0000000010000000-0x000000001004F000-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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1284-0-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral1/memory/2416-3-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral1/memory/1284-4-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral1/memory/2416-5-0x0000000010000000-0x000000001004F000-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	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 2416	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	28
PID 1284 wrote to memory of 2416	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	28
PID 1284 wrote to memory of 2416	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	28
PID 1284 wrote to memory of 2416	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	28
PID 1284 wrote to memory of 2416	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	28
PID 1284 wrote to memory of 2292	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	29
PID 1284 wrote to memory of 2292	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	29
PID 1284 wrote to memory of 2292	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	29
PID 1284 wrote to memory of 2292	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	29
PID 1284 wrote to memory of 2292	1284	JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe	29

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2416
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2292

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

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Downloads

memory/1284-0-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/1284-4-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/2416-1-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/2416-3-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/2416-5-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download