xloader | fd44538306bd2862cfa6b1f7beac43d5736b43ffa070ea5c188573daf564fb00

General

Target

Inv_7623980.exe
Size

821KB
MD5

fd45ab42cffc17209261bff2430c8245
SHA1

d06143966b8ca02db582f5111fc275844796786f
SHA256

6afa5e287f69f392b8481a94ebb1729c606a1f1023820e79e942ad40dfe96859
SHA512

c6326b0d3f029bfe7b9d2cee32b89dee3b46b921af5f342958971d5c5be4e2be6fd9d3ca518b5215f6f0a3572d4f739922f1f7392c67acd1967c42d99145252f
SSDEEP

12288:vMrP7wwt12QLaX3miWy4hTniOHDA4HnIsNGEG9gfy27ONd+5nDCZ+ug3vI4SeZ91:ErP7ww4V4h2wChgfVu8q7mo5oFCEkv

Score

10^/10

xloader m6b5 loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

m6b5

Decoy

ixtarbelize.com

pheamal.com

daiyncc.com

staydoubted.com

laagerlitigation.club

sukrantastansakarya.com

esupport.ltd

vetscontracting.net

themuslimlife.coach

salmanairs.com

somatictherapyservices.com

lastminuteminister.com

comunicarbuenosaires.com

kazuya.tech

insightlyservicedev.com

redevelopment38subhashnagar.com

thefutureinvestor.com

simplysu.com

lagu45.com

livingstonpistolpermit.com

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/5104-8-0x0000000004AD0000-0x0000000004AE2000-memory.dmp	CustAttr

Xloader payload 5 IoCs

rat

resource	yara_rule
behavioral2/memory/4568-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4568-18-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4568-22-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1480-27-0x0000000000420000-0x0000000000449000-memory.dmp	xloader
behavioral2/memory/1480-29-0x0000000000420000-0x0000000000449000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 5104 set thread context of 4568	5104	Inv_7623980.exe	100
PID 4568 set thread context of 3496	4568	RegSvcs.exe	56
PID 4568 set thread context of 3496	4568	RegSvcs.exe	56
PID 1480 set thread context of 3496	1480	cscript.exe	56

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
5104	Inv_7623980.exe
4568	RegSvcs.exe
4568	RegSvcs.exe
4568	RegSvcs.exe
4568	RegSvcs.exe
4568	RegSvcs.exe
4568	RegSvcs.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe
1480	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4568	RegSvcs.exe
4568	RegSvcs.exe
4568	RegSvcs.exe
4568	RegSvcs.exe
1480	cscript.exe
1480	cscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5104	Inv_7623980.exe
Token: SeDebugPrivilege	4568	RegSvcs.exe
Token: SeDebugPrivilege	1480	cscript.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3496	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 4568	5104	Inv_7623980.exe	100
PID 5104 wrote to memory of 4568	5104	Inv_7623980.exe	100
PID 5104 wrote to memory of 4568	5104	Inv_7623980.exe	100
PID 5104 wrote to memory of 4568	5104	Inv_7623980.exe	100
PID 5104 wrote to memory of 4568	5104	Inv_7623980.exe	100
PID 5104 wrote to memory of 4568	5104	Inv_7623980.exe	100
PID 3496 wrote to memory of 1480	3496	Explorer.EXE	101
PID 3496 wrote to memory of 1480	3496	Explorer.EXE	101
PID 3496 wrote to memory of 1480	3496	Explorer.EXE	101
PID 1480 wrote to memory of 3416	1480	cscript.exe	102
PID 1480 wrote to memory of 3416	1480	cscript.exe	102
PID 1480 wrote to memory of 3416	1480	cscript.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe
  "C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5104
- - 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:4568
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1480
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:3416

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1480-30-0x0000000002540000-0x00000000025CF000-memory.dmp

Filesize
572KB

Download
memory/1480-29-0x0000000000420000-0x0000000000449000-memory.dmp

Filesize
164KB

Download
memory/1480-28-0x00000000027A0000-0x0000000002AEA000-memory.dmp

Filesize
3.3MB

Download
memory/1480-27-0x0000000000420000-0x0000000000449000-memory.dmp

Filesize
164KB

Download
memory/1480-26-0x0000000000570000-0x0000000000597000-memory.dmp

Filesize
156KB

Download
memory/1480-25-0x0000000000570000-0x0000000000597000-memory.dmp

Filesize
156KB

Download
memory/3496-20-0x0000000003730000-0x0000000003850000-memory.dmp

Filesize
1.1MB

Download
memory/3496-39-0x0000000003450000-0x000000000352E000-memory.dmp

Filesize
888KB

Download
memory/3496-36-0x0000000003450000-0x000000000352E000-memory.dmp

Filesize
888KB

Download
memory/3496-34-0x0000000003450000-0x000000000352E000-memory.dmp

Filesize
888KB

Download
memory/3496-32-0x0000000008B30000-0x0000000008C8D000-memory.dmp

Filesize
1.4MB

Download
memory/3496-24-0x0000000008B30000-0x0000000008C8D000-memory.dmp

Filesize
1.4MB

Download
memory/4568-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4568-23-0x0000000001250000-0x0000000001260000-memory.dmp

Filesize
64KB

Download
memory/4568-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4568-16-0x00000000012E0000-0x000000000162A000-memory.dmp

Filesize
3.3MB

Download
memory/4568-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4568-19-0x0000000000DA0000-0x0000000000DB0000-memory.dmp

Filesize
64KB

Download
memory/5104-11-0x0000000007CE0000-0x0000000007D5C000-memory.dmp

Filesize
496KB

Download
memory/5104-7-0x00000000053F0000-0x0000000005446000-memory.dmp

Filesize
344KB

Download
memory/5104-0-0x0000000000600000-0x00000000006D4000-memory.dmp

Filesize
848KB

Download
memory/5104-15-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/5104-10-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/5104-9-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/5104-8-0x0000000004AD0000-0x0000000004AE2000-memory.dmp

Filesize
72KB

Download
memory/5104-12-0x00000000067F0000-0x0000000006824000-memory.dmp

Filesize
208KB

Download
memory/5104-6-0x0000000005170000-0x000000000517A000-memory.dmp

Filesize
40KB

Download
memory/5104-5-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/5104-4-0x00000000051F0000-0x0000000005282000-memory.dmp

Filesize
584KB

Download
memory/5104-3-0x0000000005700000-0x0000000005CA4000-memory.dmp

Filesize
5.6MB

Download
memory/5104-2-0x00000000050B0000-0x000000000514C000-memory.dmp

Filesize
624KB

Download
memory/5104-1-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download

Analysis

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