xloader | d4c1a546f7e87b1a6506bb846a2b1c96307afd8a8a184b6941a42ea9e53a4718

General

Target

nAIj8iSBKtENT6y.exe
Size

411KB
MD5

799febf0e89864960c7f98b546cea32c
SHA1

2a16ca50e68593db49450672e54ec8a977239a02
SHA256

39c5b29df15e13a18cbc4b77a44208aa927af8851555a4d220d8af0be7aeb235
SHA512

f6f89a2c4c36b4ca961934cb55eec8dbedf15d1a05d77387d9259ddc436766b248865e83e70341c1403dff325185e0a0f4cf51021e682adef19080a7cad6129a

Score

10^/10

xloader t75f loader rat

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

t75f

C2

http://www.438451.com/t75f/

Decoy

ice-lemon.pro

ar3spro.cloud

9055837.com

fucksociety.net

prettyofficialx.com

mfxw.xyz

relationshipquiz.info

customia.xyz

juanayjuan.com

zidiankj.com

facture-booking.com

secondmining.store

aboutyou.club

gongxichen.com

laurabraincreative.com

pierrot-bros.com

saintpaulaccountingservices.com

dom-maya.com

garderobamarzen.net

la-salamandre-assurances.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3948-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3948-126-0x000000000041D410-mapping.dmp	xloader
behavioral2/memory/1664-135-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

nAIj8iSBKtENT6y.exeRegSvcs.exeipconfig.exe

description	pid	process	target process
PID 3908 set thread context of 3948	3908	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 3948 set thread context of 3012	3948	RegSvcs.exe	Explorer.EXE
PID 3948 set thread context of 3012	3948	RegSvcs.exe	Explorer.EXE
PID 1664 set thread context of 3012	1664	ipconfig.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

1664 ipconfig.exe

pid	process
1664	ipconfig.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-1-5-21-2559286294-2439613352-4032193287-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

nAIj8iSBKtENT6y.exeRegSvcs.exeipconfig.exe

pid	process
3908	nAIj8iSBKtENT6y.exe
3908	nAIj8iSBKtENT6y.exe
3948	RegSvcs.exe
3948	RegSvcs.exe
3948	RegSvcs.exe
3948	RegSvcs.exe
3948	RegSvcs.exe
3948	RegSvcs.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe
1664	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3012 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RegSvcs.exeipconfig.exe

pid process

3948 RegSvcs.exe
3948 RegSvcs.exe
3948 RegSvcs.exe
3948 RegSvcs.exe
1664 ipconfig.exe
1664 ipconfig.exe

pid	process
3012	Explorer.EXE

pid	process
3948	RegSvcs.exe
3948	RegSvcs.exe
3948	RegSvcs.exe
3948	RegSvcs.exe
1664	ipconfig.exe
1664	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

nAIj8iSBKtENT6y.exeRegSvcs.exeipconfig.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3908	nAIj8iSBKtENT6y.exe
Token: SeDebugPrivilege	3948	RegSvcs.exe
Token: SeDebugPrivilege	1664	ipconfig.exe
Token: SeShutdownPrivilege	3012	Explorer.EXE
Token: SeCreatePagefilePrivilege	3012	Explorer.EXE
Token: SeShutdownPrivilege	3012	Explorer.EXE
Token: SeCreatePagefilePrivilege	3012	Explorer.EXE
Token: SeShutdownPrivilege	3012	Explorer.EXE
Token: SeCreatePagefilePrivilege	3012	Explorer.EXE
Token: SeShutdownPrivilege	3012	Explorer.EXE
Token: SeCreatePagefilePrivilege	3012	Explorer.EXE
Token: SeShutdownPrivilege	3012	Explorer.EXE
Token: SeCreatePagefilePrivilege	3012	Explorer.EXE

Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

3012 Explorer.EXE
3012 Explorer.EXE
3012 Explorer.EXE
3012 Explorer.EXE
3012 Explorer.EXE
3012 Explorer.EXE
3012 Explorer.EXE
3012 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3012 Explorer.EXE

pid	process
3012	Explorer.EXE
3012	Explorer.EXE
3012	Explorer.EXE
3012	Explorer.EXE
3012	Explorer.EXE
3012	Explorer.EXE
3012	Explorer.EXE
3012	Explorer.EXE

pid	process
3012	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

nAIj8iSBKtENT6y.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 3908 wrote to memory of 3948	3908	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 3908 wrote to memory of 3948	3908	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 3908 wrote to memory of 3948	3908	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 3908 wrote to memory of 3948	3908	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 3908 wrote to memory of 3948	3908	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 3908 wrote to memory of 3948	3908	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 3012 wrote to memory of 1664	3012	Explorer.EXE	ipconfig.exe
PID 3012 wrote to memory of 1664	3012	Explorer.EXE	ipconfig.exe
PID 3012 wrote to memory of 1664	3012	Explorer.EXE	ipconfig.exe
PID 1664 wrote to memory of 780	1664	ipconfig.exe	cmd.exe
PID 1664 wrote to memory of 780	1664	ipconfig.exe	cmd.exe
PID 1664 wrote to memory of 780	1664	ipconfig.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 UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3012

C:\Users\Admin\AppData\Local\Temp\nAIj8iSBKtENT6y.exe
"C:\Users\Admin\AppData\Local\Temp\nAIj8iSBKtENT6y.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3908

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3948

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:780

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/780-133-0x0000000000000000-mapping.dmp

Download
memory/1664-132-0x0000000000000000-mapping.dmp

Download
memory/1664-135-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1664-134-0x00000000012E0000-0x00000000012EB000-memory.dmp

Filesize
44KB

Download
memory/1664-136-0x0000000000B50000-0x0000000000E70000-memory.dmp

Filesize
3.1MB

Download
memory/1664-137-0x00000000009B0000-0x0000000000A40000-memory.dmp

Filesize
576KB

Download
memory/3012-138-0x0000000005D60000-0x0000000005E80000-memory.dmp

Filesize
1.1MB

Download
memory/3012-131-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/3012-129-0x00000000058C0000-0x0000000005A26000-memory.dmp

Filesize
1.4MB

Download
memory/3908-120-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/3908-115-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download
memory/3908-124-0x000000000A3F0000-0x000000000A41B000-memory.dmp

Filesize
172KB

Download
memory/3908-123-0x000000000A250000-0x000000000A2B0000-memory.dmp

Filesize
384KB

Download
memory/3908-122-0x0000000009D50000-0x0000000009D51000-memory.dmp

Filesize
4KB

Download
memory/3908-121-0x0000000005830000-0x0000000005837000-memory.dmp

Filesize
28KB

Download
memory/3908-119-0x0000000005560000-0x0000000005561000-memory.dmp

Filesize
4KB

Download
memory/3908-118-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/3908-117-0x0000000005AB0000-0x0000000005AB1000-memory.dmp

Filesize
4KB

Download
memory/3948-126-0x000000000041D410-mapping.dmp

Download
memory/3948-130-0x00000000034F0000-0x0000000003501000-memory.dmp

Filesize
68KB

Download
memory/3948-127-0x00000000017A0000-0x0000000001AC0000-memory.dmp

Filesize
3.1MB

Download
memory/3948-128-0x0000000001770000-0x0000000001781000-memory.dmp

Filesize
68KB

Download
memory/3948-125-0x0000000000400000-0x0000000000429000-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