xloader | 9748d96e1143a06277d9cc3e9398d366fe3fa21c4316b8134462c42a0020fe87

General

Target

REVISED OFFER.exe
Size

1.5MB
MD5

a23d32321c572b877246453f426494d2
SHA1

23f03a3533053b06acc915bcb33e9a8ebfdfa010
SHA256

9748d96e1143a06277d9cc3e9398d366fe3fa21c4316b8134462c42a0020fe87
SHA512

356ddaaf71c6d409450a558a51d8c43a8edcccf283fdf24d1c7d81a10bf21123e1b1abffae63694219bb7b2192704fd885d8a8a7409e481a6629763b7d5e2555

Score

10^/10

xloader c2ue loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c2ue

C2

http://www.heidevelop.xyz/c2ue/

Decoy

isportdata.com

stellarex.energy

hsucollections.com

menuhaisan.com

joe-tzu.com

lumichargemktg.com

uae.tires

rapidcae.com

softwaresystemsolutions.com

s-galaxy.website

daewon-talks.net

northgamesnetwork.com

catalogue-bouyguestele.com

criativanet.com

theseasonalshift.com

actionfoto.online

openmaildoe.com

trashpenguin.com

ennopure.net

azurermine.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/800-127-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/800-128-0x000000000041D3A0-mapping.dmp	xloader
behavioral2/memory/396-134-0x00000000009A0000-0x00000000009C9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

REVISED OFFER.exeREVISED OFFER.exesystray.exe

description	pid	process	target process
PID 504 set thread context of 800	504	REVISED OFFER.exe	REVISED OFFER.exe
PID 800 set thread context of 2224	800	REVISED OFFER.exe	Explorer.EXE
PID 396 set thread context of 2224	396	systray.exe	Explorer.EXE

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

REVISED OFFER.exesystray.exe

pid	process
800	REVISED OFFER.exe
800	REVISED OFFER.exe
800	REVISED OFFER.exe
800	REVISED OFFER.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe
396	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2224 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

REVISED OFFER.exesystray.exe

pid process

800 REVISED OFFER.exe
800 REVISED OFFER.exe
800 REVISED OFFER.exe
396 systray.exe
396 systray.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

Processes:

REVISED OFFER.exesystray.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	800	REVISED OFFER.exe
Token: SeDebugPrivilege	396	systray.exe
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE
Token: SeShutdownPrivilege	2224	Explorer.EXE
Token: SeCreatePagefilePrivilege	2224	Explorer.EXE

Suspicious use of FindShellTrayWindow 10 IoCs

Processes:

Explorer.EXE

pid	process
2224	Explorer.EXE
2224	Explorer.EXE
2224	Explorer.EXE
2224	Explorer.EXE
2224	Explorer.EXE
2224	Explorer.EXE
2224	Explorer.EXE
2224	Explorer.EXE
2224	Explorer.EXE
2224	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

2224 Explorer.EXE
2224 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2224 Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

REVISED OFFER.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 504 wrote to memory of 800	504	REVISED OFFER.exe	REVISED OFFER.exe
PID 504 wrote to memory of 800	504	REVISED OFFER.exe	REVISED OFFER.exe
PID 504 wrote to memory of 800	504	REVISED OFFER.exe	REVISED OFFER.exe
PID 504 wrote to memory of 800	504	REVISED OFFER.exe	REVISED OFFER.exe
PID 504 wrote to memory of 800	504	REVISED OFFER.exe	REVISED OFFER.exe
PID 504 wrote to memory of 800	504	REVISED OFFER.exe	REVISED OFFER.exe
PID 2224 wrote to memory of 396	2224	Explorer.EXE	systray.exe
PID 2224 wrote to memory of 396	2224	Explorer.EXE	systray.exe
PID 2224 wrote to memory of 396	2224	Explorer.EXE	systray.exe
PID 396 wrote to memory of 1452	396	systray.exe	cmd.exe
PID 396 wrote to memory of 1452	396	systray.exe	cmd.exe
PID 396 wrote to memory of 1452	396	systray.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2224

C:\Users\Admin\AppData\Local\Temp\REVISED OFFER.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED OFFER.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:504

C:\Users\Admin\AppData\Local\Temp\REVISED OFFER.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:800

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\REVISED OFFER.exe"
3⤵
PID:1452

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/396-132-0x0000000000000000-mapping.dmp

Download
memory/396-137-0x0000000004A50000-0x0000000004AE0000-memory.dmp

Filesize
576KB

Download
memory/396-135-0x0000000004B60000-0x0000000004E80000-memory.dmp

Filesize
3.1MB

Download
memory/396-133-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/396-134-0x00000000009A0000-0x00000000009C9000-memory.dmp

Filesize
164KB

Download
memory/504-121-0x00000000075B0000-0x00000000075B1000-memory.dmp

Filesize
4KB

Download
memory/504-119-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/504-122-0x0000000008CF0000-0x0000000008CF1000-memory.dmp

Filesize
4KB

Download
memory/504-123-0x0000000008D40000-0x0000000008D41000-memory.dmp

Filesize
4KB

Download
memory/504-124-0x00000000047F0000-0x00000000047FE000-memory.dmp

Filesize
56KB

Download
memory/504-125-0x0000000009100000-0x000000000917E000-memory.dmp

Filesize
504KB

Download
memory/504-126-0x0000000009180000-0x00000000091AB000-memory.dmp

Filesize
172KB

Download
memory/504-116-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/504-117-0x0000000004E00000-0x0000000004E01000-memory.dmp

Filesize
4KB

Download
memory/504-118-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

Filesize
4KB

Download
memory/504-114-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/504-120-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/800-129-0x0000000001310000-0x0000000001630000-memory.dmp

Filesize
3.1MB

Download
memory/800-130-0x0000000001240000-0x0000000001251000-memory.dmp

Filesize
68KB

Download
memory/800-128-0x000000000041D3A0-mapping.dmp

Download
memory/800-127-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1452-136-0x0000000000000000-mapping.dmp

Download
memory/2224-131-0x0000000005120000-0x000000000526A000-memory.dmp

Filesize
1.3MB

Download
memory/2224-138-0x0000000005FB0000-0x0000000006101000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads