xloader | d082f4efe5f1c11a527ff389705333792fb7f5499f13a236829b3339c6c99f8d

General

Target

06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
Size

616KB
MD5

06211dab16dfd4d59a0ff6990a1e4d91
SHA1

843eaee36a7838c082722b71fd0718494366923d
SHA256

d082f4efe5f1c11a527ff389705333792fb7f5499f13a236829b3339c6c99f8d
SHA512

10c9901d73432d6dfed1ebec476906e98881bf131bc5fe7a458dcfa7c728810d30155aa0337ad599f58fd5340249acdc4aee01120a3a49cf62d4deadf1950009
SSDEEP

12288:1MDbQ+X8+UiDLbRHahR9bYJPjPyoYA6p2gkSKGBsSNTVHu:EbQ+X8+UiDLbRHahRGrPzYAM79KnSL

Score

10^/10

xloader u4an loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

u4an

Decoy

charlottesbestroofcompany.com

gxzcgl.com

easyprints.xyz

hitmanautomation.com

play-to-escape.com

beansmagic.com

lianxiwan.xyz

nuhive.net

whystake.com

n6h65.online

emergencyprep4cast.com

peolinks.com

8ls-world.com

tezportal.net

trych.net

bathrobeconnection.com

quinnwebster.top

sagarmakhija.online

ladiesgossiping.com

400doultonct.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Xloader payload 1 IoCs
rat

Processes:

resource yara_rule

behavioral2/memory/1368-17-0x0000000000400000-0x0000000000429000-memory.dmp xloader
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe

description pid process target process

PID 2508 set thread context of 1368 2508 06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe 06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

1556 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe

pid process

1368 06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
1368 06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe

resource	yara_rule
behavioral2/memory/1368-17-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe

description	pid	process	target process
PID 2508 set thread context of 1368	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe

pid	process
1556	schtasks.exe

pid	process
1368	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
1368	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe

description	pid	process	target process
PID 2508 wrote to memory of 1556	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	schtasks.exe
PID 2508 wrote to memory of 1556	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	schtasks.exe
PID 2508 wrote to memory of 1556	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	schtasks.exe
PID 2508 wrote to memory of 1368	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
PID 2508 wrote to memory of 1368	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
PID 2508 wrote to memory of 1368	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
PID 2508 wrote to memory of 1368	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
PID 2508 wrote to memory of 1368	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
PID 2508 wrote to memory of 1368	2508	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe	06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2508

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PQrKQygCLUOsF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFA9C.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:1556

C:\Users\Admin\AppData\Local\Temp\06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\06211dab16dfd4d59a0ff6990a1e4d91_JaffaCakes118.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1368

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1368-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1368-20-0x0000000001010000-0x000000000135A000-memory.dmp

Filesize
3.3MB

Download
memory/2508-6-0x00000000080B0000-0x000000000814C000-memory.dmp

Filesize
624KB

Download
memory/2508-3-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/2508-4-0x0000000005680000-0x000000000568A000-memory.dmp

Filesize
40KB

Download
memory/2508-5-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/2508-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/2508-7-0x0000000005D40000-0x0000000005D4C000-memory.dmp

Filesize
48KB

Download
memory/2508-8-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/2508-9-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/2508-10-0x0000000008510000-0x0000000008574000-memory.dmp

Filesize
400KB

Download
memory/2508-11-0x0000000008670000-0x00000000086A0000-memory.dmp

Filesize
192KB

Download
memory/2508-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/2508-19-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/2508-1-0x0000000000C30000-0x0000000000CD0000-memory.dmp

Filesize
640KB

Download

Analysis

Sharing