xtremerat | bb2ac094f432f5e0ab41b0c9a3e017a1186dc541fa7fcca5cd84eb86a110561c

Analysis

max time kernel
135s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-10-2024 09:31

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General

Target

78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe
Size

33KB
MD5

78ed0f98795a2d8751d69e2cb64937d4
SHA1

96394950d4e03cefca1330ccd771620b41b0c538
SHA256

bb2ac094f432f5e0ab41b0c9a3e017a1186dc541fa7fcca5cd84eb86a110561c
SHA512

8c249a5d0d79fcb92fc0ec87ed3e10a52dd7fa681618f19196f32e11267276cdb00cb18316ca798f7593a26d0fb97863377db480172634ccca1590032b3f02b6
SSDEEP

768:hMuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsgCBnX0V5mGhw:KNW71rcYDAWeoDrsD90VAGh

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

valentina002.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4880-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4216-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4880-3-0x0000000010000000-0x000000001004D000-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/4216-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4880-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4216-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4880-3-0x0000000010000000-0x000000001004D000-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
1288	4880	WerFault.exe	84
1008	4880	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	78ed0f98795a2d8751d69e2cb64937d4_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 4216 wrote to memory of 4880	4216	78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe	84
PID 4216 wrote to memory of 4880	4216	78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe	84
PID 4216 wrote to memory of 4880	4216	78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe	84
PID 4216 wrote to memory of 4880	4216	78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe	84
PID 4216 wrote to memory of 992	4216	78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe	85
PID 4216 wrote to memory of 992	4216	78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe	85
PID 4216 wrote to memory of 992	4216	78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\78ed0f98795a2d8751d69e2cb64937d4_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4880
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 476
    3⤵
    - Program crash
    PID:1288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 488
    3⤵
    - Program crash
    PID:1008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4880 -ip 4880
1⤵
PID:908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4880 -ip 4880
1⤵
PID:1292

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/4216-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4216-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4880-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4880-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download