xloader | e775d1def135834d0c6929b007131891f07709f87dc94b761d779205aba86c20

General

Target

2 months salary receipt.exe
Size

318KB
MD5

39a410d21ad5980790d452986c2ea66c
SHA1

7812690099a0f3affd68c9a61d383e6ba1885659
SHA256

3a52310de39c5fcde9a4497c2393f6d21581b14b191cf377bf9588f08312572c
SHA512

d32ea0f52be61c0d4048ce64f4b6fb130b5097b355cb7e46ef9aef07b3cefef374a3074dfc7211f1e7d15180f091728893f432b02c877c197a5b288dcfa18d66
SSDEEP

6144:bi0qkSQYhZeTtORPQ/KhtjPhrIqZIf/OKQoAY:yJfeTtmSKhtPPKQof

Score

10^/10

xloader rugs discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

rugs

Decoy

modktchn.com

autoairplay.com

gadgetvictory.com

view-one.online

green-zen.club

xysgsjc.com

unikokitchen-usa.com

arteologia.store

clearing.global

metaelectron.com

eldovera.com

mcftaxacct.com

mainlinepak.com

flawlessvn.online

ureumpomp.com

loribethperez.com

willahandcreations.com

fileextensiondownload.com

dadsgametoo.com

dolphinec.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2548-9-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader
behavioral1/memory/2548-13-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader
behavioral1/memory/2448-18-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 2548	1960	2 months salary receipt.exe	31
PID 2548 set thread context of 1388	2548	vbc.exe	21
PID 2448 set thread context of 1388	2448	explorer.exe	21

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	2 months salary receipt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2548	vbc.exe
2548	vbc.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe
2448	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2548	vbc.exe
2548	vbc.exe
2548	vbc.exe
2448	explorer.exe
2448	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	vbc.exe
Token: SeDebugPrivilege	2448	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2548	1960	2 months salary receipt.exe	31
PID 1960 wrote to memory of 2548	1960	2 months salary receipt.exe	31
PID 1960 wrote to memory of 2548	1960	2 months salary receipt.exe	31
PID 1960 wrote to memory of 2548	1960	2 months salary receipt.exe	31
PID 1960 wrote to memory of 2548	1960	2 months salary receipt.exe	31
PID 1960 wrote to memory of 2548	1960	2 months salary receipt.exe	31
PID 1960 wrote to memory of 2548	1960	2 months salary receipt.exe	31
PID 1388 wrote to memory of 2448	1388	Explorer.EXE	32
PID 1388 wrote to memory of 2448	1388	Explorer.EXE	32
PID 1388 wrote to memory of 2448	1388	Explorer.EXE	32
PID 1388 wrote to memory of 2448	1388	Explorer.EXE	32
PID 2448 wrote to memory of 2724	2448	explorer.exe	33
PID 2448 wrote to memory of 2724	2448	explorer.exe	33
PID 2448 wrote to memory of 2724	2448	explorer.exe	33
PID 2448 wrote to memory of 2724	2448	explorer.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\2 months salary receipt.exe
  "C:\Users\Admin\AppData\Local\Temp\2 months salary receipt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2548
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:2448
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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/1388-15-0x0000000006EE0000-0x0000000006FDB000-memory.dmp

Filesize
1004KB

Download
memory/1388-19-0x0000000006EE0000-0x0000000006FDB000-memory.dmp

Filesize
1004KB

Download
memory/1960-11-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1960-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1960-1-0x00000000000E0000-0x0000000000136000-memory.dmp

Filesize
344KB

Download
memory/1960-3-0x0000000000560000-0x0000000000594000-memory.dmp

Filesize
208KB

Download
memory/1960-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2448-18-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2448-17-0x0000000000B50000-0x0000000000DD1000-memory.dmp

Filesize
2.5MB

Download
memory/2448-16-0x0000000000B50000-0x0000000000DD1000-memory.dmp

Filesize
2.5MB

Download
memory/2548-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2548-13-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2548-14-0x0000000000440000-0x0000000000451000-memory.dmp

Filesize
68KB

Download
memory/2548-12-0x0000000000710000-0x0000000000A13000-memory.dmp

Filesize
3.0MB

Download
memory/2548-9-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2548-6-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2548-4-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download

Analysis

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