xloader | e5ffe75fc564d7a8aaabd188868910ddfc90cf64862f1af80a56c306e9b2e762

General

Target

88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe
Size

769KB
MD5

88aa97175c6d55223e65e743be166f51
SHA1

2923d1eacbdec6d2a3e92d096a40f6d59f290c5c
SHA256

e5ffe75fc564d7a8aaabd188868910ddfc90cf64862f1af80a56c306e9b2e762
SHA512

94217458b6fdecc84050e44118012ea0afbff6cb0abbe1efd2202e30e91f990deb04155d4679e32020965b6c41cd62bf6895f4abbaaa93f2333f154ddf460d1d
SSDEEP

12288:OpmCnM2iNeHK7z+enElA8Jw8WBUm6eKJ3aMDD9/NKxR6hN4Yi6nP5sWZC1mwlLL:L4M1bCFhwEN5DNNKj6I+EllL

Score

10^/10

xloader uecu discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

uecu

Decoy

ishtarhotel.com

woodstrends.icu

jalenowens.com

manno.expert

ssg1asia.com

telepathylaw.com

quickoprintnv.com

abrosnm3.com

lumberjackcatering.com

beachujamaica.com

thomasjeffersonbyrd.com

starryfinds.com

shelavish2.com

royalglamempirellc.com

deixandomeuemprego.com

alexgoestech.xyz

opticamn.com

fermanchevybrandon.com

milbodegas.info

adunarsrl.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Xloader family
xloader

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2412-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2412-18-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3668-24-0x0000000000A00000-0x0000000000A28000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4920 set thread context of 2412	4920	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe	101
PID 2412 set thread context of 3432	2412	RegSvcs.exe	56
PID 3668 set thread context of 3432	3668	cmd.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
4920	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe
2412	RegSvcs.exe
2412	RegSvcs.exe
2412	RegSvcs.exe
2412	RegSvcs.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe
3668	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2412	RegSvcs.exe
2412	RegSvcs.exe
2412	RegSvcs.exe
3668	cmd.exe
3668	cmd.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe
Token: SeDebugPrivilege	2412	RegSvcs.exe
Token: SeDebugPrivilege	3668	cmd.exe
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 2412	4920	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe	101
PID 4920 wrote to memory of 2412	4920	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe	101
PID 4920 wrote to memory of 2412	4920	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe	101
PID 4920 wrote to memory of 2412	4920	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe	101
PID 4920 wrote to memory of 2412	4920	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe	101
PID 4920 wrote to memory of 2412	4920	88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe	101
PID 3432 wrote to memory of 3668	3432	Explorer.EXE	102
PID 3432 wrote to memory of 3668	3432	Explorer.EXE	102
PID 3432 wrote to memory of 3668	3432	Explorer.EXE	102
PID 3668 wrote to memory of 2428	3668	cmd.exe	103
PID 3668 wrote to memory of 2428	3668	cmd.exe	103
PID 3668 wrote to memory of 2428	3668	cmd.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\88aa97175c6d55223e65e743be166f51_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4920
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2412
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3668
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2412-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2412-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2412-19-0x0000000000E80000-0x0000000000E90000-memory.dmp

Filesize
64KB

Download
memory/2412-16-0x0000000000EC0000-0x000000000120A000-memory.dmp

Filesize
3.3MB

Download
memory/3432-32-0x0000000008660000-0x0000000008777000-memory.dmp

Filesize
1.1MB

Download
memory/3432-30-0x0000000008660000-0x0000000008777000-memory.dmp

Filesize
1.1MB

Download
memory/3432-29-0x0000000008660000-0x0000000008777000-memory.dmp

Filesize
1.1MB

Download
memory/3432-25-0x0000000002DD0000-0x0000000002EBA000-memory.dmp

Filesize
936KB

Download
memory/3432-20-0x0000000002DD0000-0x0000000002EBA000-memory.dmp

Filesize
936KB

Download
memory/3668-24-0x0000000000A00000-0x0000000000A28000-memory.dmp

Filesize
160KB

Download
memory/3668-21-0x00000000002A0000-0x00000000002FA000-memory.dmp

Filesize
360KB

Download
memory/3668-23-0x00000000002A0000-0x00000000002FA000-memory.dmp

Filesize
360KB

Download
memory/4920-6-0x00000000055D0000-0x00000000055DA000-memory.dmp

Filesize
40KB

Download
memory/4920-7-0x0000000005870000-0x00000000058C6000-memory.dmp

Filesize
344KB

Download
memory/4920-15-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4920-11-0x00000000087F0000-0x0000000008890000-memory.dmp

Filesize
640KB

Download
memory/4920-10-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4920-9-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/4920-8-0x0000000005AC0000-0x0000000005AD6000-memory.dmp

Filesize
88KB

Download
memory/4920-12-0x000000000AF30000-0x000000000AF5E000-memory.dmp

Filesize
184KB

Download
memory/4920-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/4920-5-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4920-4-0x0000000005610000-0x00000000056A2000-memory.dmp

Filesize
584KB

Download
memory/4920-3-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/4920-2-0x00000000054D0000-0x000000000556C000-memory.dmp

Filesize
624KB

Download
memory/4920-1-0x0000000000BF0000-0x0000000000CB6000-memory.dmp

Filesize
792KB

Download

Analysis

Sharing