xloader | 70ff5531266e50185741c8f6712956e34873c87d1bebafda6d286f2a5400d8ae

General

Target

4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe
Size

688KB
MD5

4c969dd62718394edafdc9d8d395a7e7
SHA1

10e3bad2db00ff95eb312d6d3bdd7d9f6e0dbfb7
SHA256

4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25
SHA512

5bee7349a174f710c00b347843358cfb6110c7169e47ba772bd3b0b4ae34076a7a0924febce4c303924d903dffec8e5987556298cb19e2d56e5bd792b72b2aec
SSDEEP

12288:Ge0WDJvB4mouTniJRVtJPplA1d635HWU/bNVtv0o+lIWgjjbEf/UWwGCS7IDKUVD:GebZAuT3gjjbEf/UWwGCtDBV68

Score

10^/10

xloader m3ci discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

m3ci

Decoy

424964.com

ocean-breath-retreat.com

icidedansdehors.art

wrochtthurl.quest

6455gfg.top

dgfipmailservice.online

banjofarmenica.com

dkcazin.com

jobs-fp.com

karens-kornerr.com

parmaesq.com

nuevochile.net

inputsquad.com

consultacedula-sep.digital

taogoubao.net

gimmesolar.com

bluelacedefense.com

grandagent.club

warqatalzawaj.com

getvirbelanow.com

Signatures

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

Xloader payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2848-14-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2848-18-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1892 set thread context of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 2848 set thread context of 1260	2848	RegSvcs.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2996	2256	WerFault.exe	33

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	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2848	RegSvcs.exe
2848	RegSvcs.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2848	RegSvcs.exe
2848	RegSvcs.exe
2848	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe
Token: SeDebugPrivilege	2848	RegSvcs.exe
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1892 wrote to memory of 2848	1892	4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe	31
PID 1260 wrote to memory of 2256	1260	Explorer.EXE	33
PID 1260 wrote to memory of 2256	1260	Explorer.EXE	33
PID 1260 wrote to memory of 2256	1260	Explorer.EXE	33
PID 1260 wrote to memory of 2256	1260	Explorer.EXE	33
PID 1260 wrote to memory of 2256	1260	Explorer.EXE	33
PID 1260 wrote to memory of 2256	1260	Explorer.EXE	33
PID 1260 wrote to memory of 2256	1260	Explorer.EXE	33
PID 2256 wrote to memory of 2996	2256	msiexec.exe	34
PID 2256 wrote to memory of 2996	2256	msiexec.exe	34
PID 2256 wrote to memory of 2996	2256	msiexec.exe	34
PID 2256 wrote to memory of 2996	2256	msiexec.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe
  "C:\Users\Admin\AppData\Local\Temp\4e7c66e1c2f9dae5fdf45d434a77175c7bbacb110f60a4a2a4b29a1dc6625d25.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2848
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2576
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 268
    3⤵
    - Program crash
    PID:2996

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

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Downloads

memory/1260-20-0x0000000004160000-0x0000000004360000-memory.dmp

Filesize
2.0MB

Download
memory/1260-28-0x0000000006CE0000-0x0000000006E4E000-memory.dmp

Filesize
1.4MB

Download
memory/1260-21-0x0000000006CE0000-0x0000000006E4E000-memory.dmp

Filesize
1.4MB

Download
memory/1892-5-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/1892-2-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/1892-0-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/1892-6-0x0000000004450000-0x00000000044D0000-memory.dmp

Filesize
512KB

Download
memory/1892-7-0x0000000000410000-0x0000000000440000-memory.dmp

Filesize
192KB

Download
memory/1892-4-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/1892-1-0x00000000002E0000-0x0000000000396000-memory.dmp

Filesize
728KB

Download
memory/1892-15-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/1892-3-0x0000000000230000-0x000000000023A000-memory.dmp

Filesize
40KB

Download
memory/2256-25-0x0000000000560000-0x0000000000574000-memory.dmp

Filesize
80KB

Download
memory/2256-22-0x0000000000560000-0x0000000000574000-memory.dmp

Filesize
80KB

Download
memory/2256-23-0x0000000000560000-0x0000000000574000-memory.dmp

Filesize
80KB

Download
memory/2848-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2848-19-0x00000000003A0000-0x00000000003B1000-memory.dmp

Filesize
68KB

Download
memory/2848-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2848-16-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/2848-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2848-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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