xtremerat | ae338035b4905f179eea43db151863bba95757e67cc2fc52e56cacf1b755e6b9

Analysis

max time kernel
133s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 15:29

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General

Target

6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe
Size

33KB
MD5

6b11e31a8f310eaf60a3c901a40180c6
SHA1

c82fb83ee56e9a1bab304b1402159e7c9d299a24
SHA256

ae338035b4905f179eea43db151863bba95757e67cc2fc52e56cacf1b755e6b9
SHA512

c267f7630f85fa291f475b698c02d3bb411de8b26ff63442bbf6140bc9dee9438fb37d696168a227ba4f865787f5c33893a41d66035e7d80da3d432b9c3f5714
SSDEEP

768:gMuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsgCByXzf9lixrghX:pNW71rcYDAWeoDrsD0z3ixY

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

cezatr.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1660-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1092-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1660-4-0x0000000010000000-0x000000001004D000-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

Processes:

resource	yara_rule
behavioral2/memory/1092-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1660-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1092-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1660-4-0x0000000010000000-0x000000001004D000-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

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2564 1660 WerFault.exe svchost.exe
4092 1660 WerFault.exe svchost.exe

pid	pid_target	process	target process
2564	1660	WerFault.exe	svchost.exe
4092	1660	WerFault.exe	svchost.exe

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

Processes:

6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe

description	pid	process	target process
PID 1092 wrote to memory of 1660	1092	6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe	svchost.exe
PID 1092 wrote to memory of 1660	1092	6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe	svchost.exe
PID 1092 wrote to memory of 1660	1092	6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe	svchost.exe
PID 1092 wrote to memory of 1660	1092	6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe	svchost.exe
PID 1092 wrote to memory of 1328	1092	6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe	msedge.exe
PID 1092 wrote to memory of 1328	1092	6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe	msedge.exe
PID 1092 wrote to memory of 1328	1092	6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6b11e31a8f310eaf60a3c901a40180c6_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 472
    3⤵
    - Program crash
    PID:2564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 504
    3⤵
    - Program crash
    PID:4092
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1660 -ip 1660
1⤵
PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1660 -ip 1660
1⤵
PID:1140

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/1092-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1092-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1660-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1660-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download