xloader | 4a91d8f52d07bcd7fde157c6b56e2881c4abba94a0f7921633da4ae2bba53074

General

Target

4444.exe
Size

459KB
MD5

a3e29a08e40f22092782a69ada250f36
SHA1

5597636fe0d024ad1831b30cc5b16764847a2085
SHA256

4a91d8f52d07bcd7fde157c6b56e2881c4abba94a0f7921633da4ae2bba53074
SHA512

b8060bf8147e9659790957f42c6ce5b8906f862e57f20c810d4bf12e48174e8a9fccb6f9842713f4079e3ec95bef3a4489873faaf970e3db388b1923b35dd8f7

Score

10^/10

xloader t75f loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

t75f

C2

http://www.vertexnailsblaine.com/t75f/

Decoy

onegolfsydney.com

kaizensportscoaching.com

mliacbjv.icu

rinstech.net

midas-parts.com

istmenian.com

ibrahimpike.com

herbspaces.com

gentleman4higher.com

workabusiness.com

isabusive.website

222555dy.com

lwhyzhzb.xyz

gabrielabravoillanes.com

hearthomelife.com

buildswealth.com

printitaz.com

l-mventures.com

baincot3.com

nstaq-labs.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4172-126-0x000000000041D110-mapping.dmp	xloader
behavioral2/memory/4172-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4192-133-0x0000000000AA0000-0x0000000000AC9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

4444.exeRegSvcs.exeNETSTAT.EXE

description	pid	process	target process
PID 4472 set thread context of 4172	4472	4444.exe	RegSvcs.exe
PID 4172 set thread context of 2996	4172	RegSvcs.exe	Explorer.EXE
PID 4192 set thread context of 2996	4192	NETSTAT.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:

NETSTAT.EXE

pid process

4192 NETSTAT.EXE

pid	process
4192	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

4444.exeRegSvcs.exeNETSTAT.EXE

pid	process
4472	4444.exe
4472	4444.exe
4172	RegSvcs.exe
4172	RegSvcs.exe
4172	RegSvcs.exe
4172	RegSvcs.exe
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE
4192	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2996 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exeNETSTAT.EXE

pid process

4172 RegSvcs.exe
4172 RegSvcs.exe
4172 RegSvcs.exe
4192 NETSTAT.EXE
4192 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4444.exeRegSvcs.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 4472 4444.exe
Token: SeDebugPrivilege 4172 RegSvcs.exe
Token: SeDebugPrivilege 4192 NETSTAT.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2996 Explorer.EXE

pid	process
2996	Explorer.EXE

pid	process
4172	RegSvcs.exe
4172	RegSvcs.exe
4172	RegSvcs.exe
4192	NETSTAT.EXE
4192	NETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	4472	4444.exe
Token: SeDebugPrivilege	4172	RegSvcs.exe
Token: SeDebugPrivilege	4192	NETSTAT.EXE

pid	process
2996	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

4444.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 4472 wrote to memory of 4172	4472	4444.exe	RegSvcs.exe
PID 4472 wrote to memory of 4172	4472	4444.exe	RegSvcs.exe
PID 4472 wrote to memory of 4172	4472	4444.exe	RegSvcs.exe
PID 4472 wrote to memory of 4172	4472	4444.exe	RegSvcs.exe
PID 4472 wrote to memory of 4172	4472	4444.exe	RegSvcs.exe
PID 4472 wrote to memory of 4172	4472	4444.exe	RegSvcs.exe
PID 2996 wrote to memory of 4192	2996	Explorer.EXE	NETSTAT.EXE
PID 2996 wrote to memory of 4192	2996	Explorer.EXE	NETSTAT.EXE
PID 2996 wrote to memory of 4192	2996	Explorer.EXE	NETSTAT.EXE
PID 4192 wrote to memory of 4304	4192	NETSTAT.EXE	cmd.exe
PID 4192 wrote to memory of 4304	4192	NETSTAT.EXE	cmd.exe
PID 4192 wrote to memory of 4304	4192	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2996

C:\Users\Admin\AppData\Local\Temp\4444.exe
"C:\Users\Admin\AppData\Local\Temp\4444.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472

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:4172

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4192

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:4304

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

Replay Monitor

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Downloads

memory/2996-136-0x0000000004DD0000-0x0000000004ED1000-memory.dmp

Filesize
1.0MB

Download
memory/2996-129-0x0000000004C60000-0x0000000004DCB000-memory.dmp

Filesize
1.4MB

Download
memory/4172-126-0x000000000041D110-mapping.dmp

Download
memory/4172-127-0x0000000000E40000-0x0000000001160000-memory.dmp

Filesize
3.1MB

Download
memory/4172-128-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/4172-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4192-131-0x0000000000E20000-0x0000000000E2B000-memory.dmp

Filesize
44KB

Download
memory/4192-130-0x0000000000000000-mapping.dmp

Download
memory/4192-135-0x0000000003080000-0x000000000310F000-memory.dmp

Filesize
572KB

Download
memory/4192-134-0x0000000003320000-0x0000000003640000-memory.dmp

Filesize
3.1MB

Download
memory/4192-133-0x0000000000AA0000-0x0000000000AC9000-memory.dmp

Filesize
164KB

Download
memory/4304-132-0x0000000000000000-mapping.dmp

Download
memory/4472-121-0x00000000074C0000-0x00000000074C1000-memory.dmp

Filesize
4KB

Download
memory/4472-118-0x0000000005950000-0x0000000005951000-memory.dmp

Filesize
4KB

Download
memory/4472-119-0x00000000059F0000-0x00000000059F1000-memory.dmp

Filesize
4KB

Download
memory/4472-115-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/4472-120-0x00000000058B0000-0x0000000005942000-memory.dmp

Filesize
584KB

Download
memory/4472-123-0x0000000007750000-0x00000000077B0000-memory.dmp

Filesize
384KB

Download
memory/4472-122-0x0000000005CE0000-0x0000000005CE7000-memory.dmp

Filesize
28KB

Download
memory/4472-124-0x000000000B890000-0x000000000B8BA000-memory.dmp

Filesize
168KB

Download
memory/4472-117-0x0000000005F20000-0x0000000005F21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads