xloader | 837d5ed2867ffbf6b718264ecc27e620ffd9d14b1a4d2255f56b04181713830f

Analysis

max time kernel
142s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16-04-2024 09:41

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General

Target

f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
Size

1.2MB
MD5

f336298269351704e8a3f7a5f071c82d
SHA1

ee8ba4b276bfb69be97518c994d9536eebc76e53
SHA256

837d5ed2867ffbf6b718264ecc27e620ffd9d14b1a4d2255f56b04181713830f
SHA512

3c0bdfc2e2df3426300e1642124b10a818dea0f62691868f48b4f7b409587060f03ede4d050b0cc1ba2883ccbdb66eb310b55f42da21bd490493edf0be9728f8
SSDEEP

24576:4lUWIHraPRdOG2nGhYrntpfV7WV/Nm/y12NhmK:4RILaPnpg0qnbPyYl

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

Processes:

resource	yara_rule
behavioral2/memory/4420-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe

description	pid	process	target process
PID 1800 set thread context of 4420	1800	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe

pid process

4420 f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
4420 f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe

pid	process
4420	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
4420	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe

description	pid	process	target process
PID 1800 wrote to memory of 4420	1800	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
PID 1800 wrote to memory of 4420	1800	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
PID 1800 wrote to memory of 4420	1800	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
PID 1800 wrote to memory of 4420	1800	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
PID 1800 wrote to memory of 4420	1800	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
PID 1800 wrote to memory of 4420	1800	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe	f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1800

C:\Users\Admin\AppData\Local\Temp\f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f336298269351704e8a3f7a5f071c82d_JaffaCakes118.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4420

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3752 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:524

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1800-8-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1800-6-0x0000000005920000-0x000000000593C000-memory.dmp

Filesize
112KB

Download
memory/1800-2-0x0000000005950000-0x0000000005EF4000-memory.dmp

Filesize
5.6MB

Download
memory/1800-3-0x0000000005290000-0x0000000005322000-memory.dmp

Filesize
584KB

Download
memory/1800-0-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1800-5-0x0000000005330000-0x000000000533A000-memory.dmp

Filesize
40KB

Download
memory/1800-1-0x00000000007B0000-0x00000000008EC000-memory.dmp

Filesize
1.2MB

Download
memory/1800-7-0x0000000007EE0000-0x0000000007F7C000-memory.dmp

Filesize
624KB

Download
memory/1800-4-0x0000000005470000-0x0000000005480000-memory.dmp

Filesize
64KB

Download
memory/1800-9-0x0000000005470000-0x0000000005480000-memory.dmp

Filesize
64KB

Download
memory/1800-10-0x00000000083B0000-0x0000000008438000-memory.dmp

Filesize
544KB

Download
memory/1800-11-0x000000000AB10000-0x000000000AB62000-memory.dmp

Filesize
328KB

Download
memory/1800-15-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-14-0x00000000018D0000-0x0000000001C1A000-memory.dmp

Filesize
3.3MB

Download
memory/4420-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-16-0x00000000018D0000-0x0000000001C1A000-memory.dmp

Filesize
3.3MB

Download