xloader | f1d7ead1ca0f3e39c12bf5b67bb35cfc745acf0f587c2d6ce45eb2904f44aaa7

General

Target

Shipping_Doc190dk0lwt837.exe
Size

249KB
MD5

2d0ac0a8f2d2aea1f05429585c1bdc4c
SHA1

3657594459b01c0c918e0deeaf3ad7f05a4efd90
SHA256

f1d7ead1ca0f3e39c12bf5b67bb35cfc745acf0f587c2d6ce45eb2904f44aaa7
SHA512

863b35e33b0b09aece9268c83ca3411180c23463a01e6b93744b978199c7fc386ecaddf0776588be59bcf41b46f4584e7405a17f1ee3cc64df602655036f92e7

Score

10^/10

xloader u5eh loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

u5eh

C2

http://www.retonamoss.com/u5eh/

Decoy

tryafaq.com

bobcathntshop.com

oglead.com

026skz.xyz

brasbux.com

adna17.com

noveltyrofjiy.xyz

realestatecompanys.com

leman-web.com

df5686.com

jonathonhawkins.com

juliedominyfloralartistry.com

classyeventsco.com

aquaticatt.com

iotworld.xyz

hoc8.com

disposablediapers.store

peregovorim.online

advancebits.club

getaburialplan.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4208-116-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4208-117-0x000000000041D3E0-mapping.dmp	xloader
behavioral2/memory/4024-125-0x0000000000BE0000-0x0000000000C09000-memory.dmp	xloader

Loads dropped DLL 1 IoCs

Processes:

Shipping_Doc190dk0lwt837.exe

pid process

1836 Shipping_Doc190dk0lwt837.exe

pid	process
1836	Shipping_Doc190dk0lwt837.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Shipping_Doc190dk0lwt837.exeShipping_Doc190dk0lwt837.execmstp.exe

description	pid	process	target process
PID 1836 set thread context of 4208	1836	Shipping_Doc190dk0lwt837.exe	Shipping_Doc190dk0lwt837.exe
PID 4208 set thread context of 3060	4208	Shipping_Doc190dk0lwt837.exe	Explorer.EXE
PID 4024 set thread context of 3060	4024	cmstp.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

Shipping_Doc190dk0lwt837.execmstp.exe

pid	process
4208	Shipping_Doc190dk0lwt837.exe
4208	Shipping_Doc190dk0lwt837.exe
4208	Shipping_Doc190dk0lwt837.exe
4208	Shipping_Doc190dk0lwt837.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe
4024	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3060 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Shipping_Doc190dk0lwt837.execmstp.exe

pid process

4208 Shipping_Doc190dk0lwt837.exe
4208 Shipping_Doc190dk0lwt837.exe
4208 Shipping_Doc190dk0lwt837.exe
4024 cmstp.exe
4024 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Shipping_Doc190dk0lwt837.execmstp.exe

description pid process

Token: SeDebugPrivilege 4208 Shipping_Doc190dk0lwt837.exe
Token: SeDebugPrivilege 4024 cmstp.exe

pid	process
3060	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4208	Shipping_Doc190dk0lwt837.exe
Token: SeDebugPrivilege	4024	cmstp.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Shipping_Doc190dk0lwt837.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1836 wrote to memory of 4208	1836	Shipping_Doc190dk0lwt837.exe	Shipping_Doc190dk0lwt837.exe
PID 1836 wrote to memory of 4208	1836	Shipping_Doc190dk0lwt837.exe	Shipping_Doc190dk0lwt837.exe
PID 1836 wrote to memory of 4208	1836	Shipping_Doc190dk0lwt837.exe	Shipping_Doc190dk0lwt837.exe
PID 1836 wrote to memory of 4208	1836	Shipping_Doc190dk0lwt837.exe	Shipping_Doc190dk0lwt837.exe
PID 1836 wrote to memory of 4208	1836	Shipping_Doc190dk0lwt837.exe	Shipping_Doc190dk0lwt837.exe
PID 1836 wrote to memory of 4208	1836	Shipping_Doc190dk0lwt837.exe	Shipping_Doc190dk0lwt837.exe
PID 3060 wrote to memory of 4024	3060	Explorer.EXE	cmstp.exe
PID 3060 wrote to memory of 4024	3060	Explorer.EXE	cmstp.exe
PID 3060 wrote to memory of 4024	3060	Explorer.EXE	cmstp.exe
PID 4024 wrote to memory of 4008	4024	cmstp.exe	cmd.exe
PID 4024 wrote to memory of 4008	4024	cmstp.exe	cmd.exe
PID 4024 wrote to memory of 4008	4024	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3060

C:\Users\Admin\AppData\Local\Temp\Shipping_Doc190dk0lwt837.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping_Doc190dk0lwt837.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1836

C:\Users\Admin\AppData\Local\Temp\Shipping_Doc190dk0lwt837.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping_Doc190dk0lwt837.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4208

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Shipping_Doc190dk0lwt837.exe"
3⤵
PID:4008

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsz9D1C.tmp\hkdklixzga.dll
MD5
fe53df25d11886ebd5c24164328ca8bf

SHA1
3d051e82d0bd8bbd4c5647ab11a36e8fe0407631

SHA256
d3827d83d541e98cff0bb89a27c2db75e59b62ed57a934cc8c9e6a9623864716

SHA512
578a786ea59572ae33b245314493bfda501eadde6bfcad2e20fd45e39e7d2e6e237403ed912f38aebd3fa79c582f27e7846f0896e22e01d1e276abcb8b32eecc

Download Submit
memory/3060-121-0x0000000004D30000-0x0000000004EAD000-memory.dmp

Filesize
1.5MB

Download
memory/3060-128-0x00000000008E0000-0x000000000098B000-memory.dmp

Filesize
684KB

Download
memory/4008-123-0x0000000000000000-mapping.dmp

Download
memory/4024-125-0x0000000000BE0000-0x0000000000C09000-memory.dmp

Filesize
164KB

Download
memory/4024-122-0x0000000000000000-mapping.dmp

Download
memory/4024-124-0x0000000000D60000-0x0000000000D76000-memory.dmp

Filesize
88KB

Download
memory/4024-126-0x0000000004F50000-0x0000000005270000-memory.dmp

Filesize
3.1MB

Download
memory/4024-127-0x0000000004CA0000-0x0000000004D30000-memory.dmp

Filesize
576KB

Download
memory/4208-120-0x0000000000A00000-0x0000000000A11000-memory.dmp

Filesize
68KB

Download
memory/4208-118-0x0000000000A50000-0x0000000000D70000-memory.dmp

Filesize
3.1MB

Download
memory/4208-117-0x000000000041D3E0-mapping.dmp

Download
memory/4208-116-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads