xtremerat | c499b8e4ad898644b8be051e9c8191448c1db785e086b39a96fad64eeec8060f

Analysis

max time kernel
141s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 14:47

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General

Target

c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe
Size

301KB
MD5

c0f67c645ea95e55d33d3bab165e1e20
SHA1

f65df8089e127e5e6e448fcd02c844ff3f3dc3b6
SHA256

c499b8e4ad898644b8be051e9c8191448c1db785e086b39a96fad64eeec8060f
SHA512

382be4e07faeb19cceba96446f22258ac8a99b0ead53e29e14619939919da5553f7dfbb944efcd3f7ca7ca2efa7c8db50e0bc12bdc94b1713be112b538c18553
SSDEEP

768:P8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiiEzoUngXP:Xsq+QV4rObAdXWpf/y+IoatMaox

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

coxihack.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/532-0-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3696-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/532-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3696-3-0x0000000010000000-0x000000001004D000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/532-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3696-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/532-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3696-3-0x0000000010000000-0x000000001004D000-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
208	3696	WerFault.exe	84
1360	3696	WerFault.exe	84

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	c0f67c645ea95e55d33d3bab165e1e20_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 532 wrote to memory of 3696	532	c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe	84
PID 532 wrote to memory of 3696	532	c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe	84
PID 532 wrote to memory of 3696	532	c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe	84
PID 532 wrote to memory of 3696	532	c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe	84
PID 532 wrote to memory of 464	532	c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe	85
PID 532 wrote to memory of 464	532	c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe	85
PID 532 wrote to memory of 464	532	c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 480
    3⤵
    - Program crash
    PID:208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 488
    3⤵
    - Program crash
    PID:1360
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3696 -ip 3696
1⤵
PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3696 -ip 3696
1⤵
PID:4940

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/532-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/532-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3696-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3696-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download