xtremerat | ffd68f8b9d4d9d02084cce080bf13b3ae73077b7549f9c2a270e6e8d190b8494

Analysis

max time kernel
148s
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
29/11/2024, 12:33

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General

Target
b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe
Size 30KB
Sample241129-prjmlsvqht
SHA256 ffd68f8b9d4d9d02084cce080bf13b3ae73077b7549f9c2a270e6e8d190b8494
MD5 b1443c17813c6e381b94a3d4e95ccbd1
SHA1 0a06147c92e92fdfd6c51e990bbe26230d174fce
SHA512 3f72c25e23263d25443e133c20c061c0dd6a525fe398513ebe7f084ce94de1caef66628da5eab526fdd4130de27ec18900d0d6b2e2a565cf08e764f994ca1e0d
SSDEEP 768:k4l/50VTed7NY+K3LeJPd2ZVMqJjp2U0NWNHPnUjv:2Tyu7Y6MqJjT0NWNHPA
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

abraheem.sytes.net

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1540-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3508-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1540-4-0x0000000010000000-0x000000001004A000-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 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3508-0-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/1540-1-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3508-3-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/1540-4-0x0000000010000000-0x000000001004A000-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
3360	1540	WerFault.exe	83
2720	1540	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 1540	3508	b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe	83
PID 3508 wrote to memory of 1540	3508	b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe	83
PID 3508 wrote to memory of 1540	3508	b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe	83
PID 3508 wrote to memory of 1540	3508	b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe	83
PID 3508 wrote to memory of 1856	3508	b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe	84
PID 3508 wrote to memory of 1856	3508	b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe	84
PID 3508 wrote to memory of 1856	3508	b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b1443c17813c6e381b94a3d4e95ccbd1_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 472
    3⤵
    - Program crash
    PID:3360
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 500
    3⤵
    - Program crash
    PID:2720
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1540 -ip 1540
1⤵
PID:4416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1540 -ip 1540
1⤵
PID:3044

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/1540-1-0x0000000010000000-0x000000001004A000-memory.dmp

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memory/1540-4-0x0000000010000000-0x000000001004A000-memory.dmp

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memory/3508-0-0x0000000010000000-0x000000001004A000-memory.dmp

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memory/3508-3-0x0000000010000000-0x000000001004A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads