xtremerat | 5969558cc924df659e3df84ebab35cf19ff3609276653d51253ee1b16bd310ec

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 03:46

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General

Target

bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe
Size

33KB
MD5

bb95ebbffcd14744daac516accee6d7a
SHA1

c3d3aaee56941cea598e3b4a0780a3da3bf4fc0a
SHA256

5969558cc924df659e3df84ebab35cf19ff3609276653d51253ee1b16bd310ec
SHA512

7e6b706b6205e5ce5cb24b4342537f7fbcb40449d1438b39ebb533868cd26fa235f854bda2c07d1983e6396f761ac24835a3446c0981f9a7da3f25a60b02fbeb
SSDEEP

768:SMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66llQoicTa:PNW71rcYDAWeotvXllmc

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

猠Ԑ䬈6軉䝜갎syrianow.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1616-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1940-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1616-3-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1940-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1616-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1940-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1616-3-0x0000000010000000-0x000000001004D000-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

pid	pid_target	Process	procid_target
3708	1616	WerFault.exe	83
4200	1616	WerFault.exe	83

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	bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1616	1940	bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe	83
PID 1940 wrote to memory of 1616	1940	bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe	83
PID 1940 wrote to memory of 1616	1940	bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe	83
PID 1940 wrote to memory of 1616	1940	bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe	83
PID 1940 wrote to memory of 4920	1940	bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe	84
PID 1940 wrote to memory of 4920	1940	bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe	84
PID 1940 wrote to memory of 4920	1940	bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb95ebbffcd14744daac516accee6d7a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 480
    3⤵
    - Program crash
    PID:3708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 488
    3⤵
    - Program crash
    PID:4200
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1616 -ip 1616
1⤵
PID:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1616 -ip 1616
1⤵
PID:2356

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/1616-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1616-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1940-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1940-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download