xloader | f5e9658f44135be66cc2cb4862c67326c803871e49a73b0376b266cb95c41f52

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 14:25

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General

Target

1b58203ecd7ef5d31ea39a5218b40115.exe
Size

490KB
MD5

1b58203ecd7ef5d31ea39a5218b40115
SHA1

2770e86784c8e3bc62f59a02c92390bd74b6dc98
SHA256

f5e9658f44135be66cc2cb4862c67326c803871e49a73b0376b266cb95c41f52
SHA512

1f5e3a616713cf8daa6778ab6a895ed488ac294bf677b967ff68dec9a8fd0a14c679f4e0d79131640566f95f27cbf0bebf9f5291f70b7cd26e405a05b296fe9e
SSDEEP

12288:dtfEdMQEJJMkdBvd1Zy8OfGPAE9Zsi4hdStfDWc8Q2tZsi:dtsdoJuEBvd1g5fGPP9Zsf

Score

10^/10

xloader k8b5 loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

k8b5

Decoy

sardamedicals.com

reelectkendavis4council.com

coreconsultation.com

fajarazhary.com

mybitearner.com

brightpet.info

voicewithchoice.com

bailbondscompany.xyz

7133333333.com

delights.info

gawlvegdr.icu

sdqhpm.com

we2savvyok.com

primallifeathlete.com

gdsinglecell.com

isokineticmachines.com

smartneckrelax.com

gardenvintage.com

hiphopvolume.com

medicapoint.com

Signatures

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

Xloader payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/1616-14-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2440 set thread context of 1616	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	31

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2440	1b58203ecd7ef5d31ea39a5218b40115.exe
2440	1b58203ecd7ef5d31ea39a5218b40115.exe
1616	1b58203ecd7ef5d31ea39a5218b40115.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	1b58203ecd7ef5d31ea39a5218b40115.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2648	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	30
PID 2440 wrote to memory of 2648	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	30
PID 2440 wrote to memory of 2648	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	30
PID 2440 wrote to memory of 2648	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	30
PID 2440 wrote to memory of 1616	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	31
PID 2440 wrote to memory of 1616	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	31
PID 2440 wrote to memory of 1616	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	31
PID 2440 wrote to memory of 1616	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	31
PID 2440 wrote to memory of 1616	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	31
PID 2440 wrote to memory of 1616	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	31
PID 2440 wrote to memory of 1616	2440	1b58203ecd7ef5d31ea39a5218b40115.exe	31

C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe
"C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe
  "C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe"
  2⤵
  PID:2648
- C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe
  "C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1616

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1616-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-16-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/1616-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1616-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2440-3-0x0000000001DB0000-0x0000000001DCC000-memory.dmp

Filesize
112KB

Download
memory/2440-6-0x0000000007460000-0x00000000074C8000-memory.dmp

Filesize
416KB

Download
memory/2440-7-0x0000000000550000-0x0000000000586000-memory.dmp

Filesize
216KB

Download
memory/2440-5-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2440-4-0x0000000073E50000-0x000000007453E000-memory.dmp

Filesize
6.9MB

Download
memory/2440-0-0x0000000000360000-0x00000000003E0000-memory.dmp

Filesize
512KB

Download
memory/2440-2-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2440-15-0x0000000073E50000-0x000000007453E000-memory.dmp

Filesize
6.9MB

Download
memory/2440-1-0x0000000073E50000-0x000000007453E000-memory.dmp

Filesize
6.9MB

Download