xloader | 781ce425460a0a8bd9fdaf68224ca4b8b3f6fdfab953f693367561fd7b76b13c

General

Target

RFI von Aeris Impulsmoebel _RFI-9090.exe
Size

769KB
MD5

ad35195080aaf247005d6ecab3f8db72
SHA1

1d4368b26588323743b5de77995260b2a08d3eab
SHA256

895f390d56ade378e72f343465d78ed3f3f98ab04a3fb3e2e2616184e566b6c5
SHA512

4f8deae3bb1f2c3253583cfb932a545097913aab555b498afc4225a5361d76ea2a704f4fecfcde8d44c0d79129d530d06211a974008ffaba372e738ec1b2215a
SSDEEP

24576:ckygsXzLhX0ab8kLDnyQCjVBW6Ymh6WPa:MFXXV0ab8kXnyQCjrRYg6W

Score

10^/10

xloader witq discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

witq

Decoy

cryptohavenpro.com

zildan.com

buyexcessinventory.com

telecluber.com

whhsdzyl.com

regionalkistel.com

ksusalinabookstore.com

firsttimergears.com

rzpsca.com

sakura-syoukai-t.com

zgvmeiti.com

99000444.com

kerisjatifurniture.com

photoparty.pro

monarchinvestiment.com

hkgjtrade.com

catholicsinglestv.com

nvtdigital.com

mariimportados.com

01mpt.xyz

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2736-10-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/2736-7-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/2736-13-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/3008-21-0x0000000000230000-0x0000000000259000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2736	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe	30
PID 2736 set thread context of 1184	2736	RmClient.exe	21
PID 3008 set thread context of 1184	3008	cscript.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 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	RFI von Aeris Impulsmoebel _RFI-9090.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RmClient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
2136	RFI von Aeris Impulsmoebel _RFI-9090.exe
2136	RFI von Aeris Impulsmoebel _RFI-9090.exe
2136	RFI von Aeris Impulsmoebel _RFI-9090.exe
2136	RFI von Aeris Impulsmoebel _RFI-9090.exe
2136	RFI von Aeris Impulsmoebel _RFI-9090.exe
2136	RFI von Aeris Impulsmoebel _RFI-9090.exe
2736	RmClient.exe
2736	RmClient.exe
2136	RFI von Aeris Impulsmoebel _RFI-9090.exe
2136	RFI von Aeris Impulsmoebel _RFI-9090.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe
3008	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2736	RmClient.exe
2736	RmClient.exe
2736	RmClient.exe
3008	cscript.exe
3008	cscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe
Token: SeDebugPrivilege	2736	RmClient.exe
Token: SeDebugPrivilege	3008	cscript.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2736	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe	30
PID 2136 wrote to memory of 2736	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe	30
PID 2136 wrote to memory of 2736	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe	30
PID 2136 wrote to memory of 2736	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe	30
PID 2136 wrote to memory of 2736	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe	30
PID 2136 wrote to memory of 2736	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe	30
PID 2136 wrote to memory of 2736	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe	30
PID 2136 wrote to memory of 2736	2136	RFI von Aeris Impulsmoebel _RFI-9090.exe	30
PID 1184 wrote to memory of 3008	1184	Explorer.EXE	31
PID 1184 wrote to memory of 3008	1184	Explorer.EXE	31
PID 1184 wrote to memory of 3008	1184	Explorer.EXE	31
PID 1184 wrote to memory of 3008	1184	Explorer.EXE	31
PID 3008 wrote to memory of 2900	3008	cscript.exe	32
PID 3008 wrote to memory of 2900	3008	cscript.exe	32
PID 3008 wrote to memory of 2900	3008	cscript.exe	32
PID 3008 wrote to memory of 2900	3008	cscript.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\RFI von Aeris Impulsmoebel _RFI-9090.exe
  "C:\Users\Admin\AppData\Local\Temp\RFI von Aeris Impulsmoebel _RFI-9090.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Windows\SysWOW64\RmClient.exe
    "C:\Windows\SysWOW64\RmClient.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2736
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:3008
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\RmClient.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2900

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/1184-16-0x0000000004AA0000-0x0000000004C34000-memory.dmp

Filesize
1.6MB

Download
memory/1184-22-0x0000000004AA0000-0x0000000004C34000-memory.dmp

Filesize
1.6MB

Download
memory/1184-15-0x0000000004060000-0x0000000004260000-memory.dmp

Filesize
2.0MB

Download
memory/2136-1-0x0000000000060000-0x0000000000126000-memory.dmp

Filesize
792KB

Download
memory/2136-2-0x0000000004240000-0x00000000042F8000-memory.dmp

Filesize
736KB

Download
memory/2136-3-0x0000000000540000-0x000000000055A000-memory.dmp

Filesize
104KB

Download
memory/2136-4-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/2136-17-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-5-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2736-11-0x0000000000A10000-0x0000000000D13000-memory.dmp

Filesize
3.0MB

Download
memory/2736-14-0x0000000000200000-0x0000000000211000-memory.dmp

Filesize
68KB

Download
memory/2736-13-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2736-7-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2736-10-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2736-6-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2736-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3008-18-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/3008-20-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/3008-21-0x0000000000230000-0x0000000000259000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing