xloader | 4a91d8f52d07bcd7fde157c6b56e2881c4abba94a0f7921633da4ae2bba53074

General

Target

4444.exe
Size

459KB
MD5

a3e29a08e40f22092782a69ada250f36
SHA1

5597636fe0d024ad1831b30cc5b16764847a2085
SHA256

4a91d8f52d07bcd7fde157c6b56e2881c4abba94a0f7921633da4ae2bba53074
SHA512

b8060bf8147e9659790957f42c6ce5b8906f862e57f20c810d4bf12e48174e8a9fccb6f9842713f4079e3ec95bef3a4489873faaf970e3db388b1923b35dd8f7

Score

10^/10

xloader t75f loader rat suricata

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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1696-65-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1696-66-0x000000000041D110-mapping.dmp	xloader
behavioral1/memory/1840-73-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

4444.exeRegSvcs.exewininit.exe

description	pid	process	target process
PID 564 set thread context of 1696	564	4444.exe	RegSvcs.exe
PID 1696 set thread context of 1200	1696	RegSvcs.exe	Explorer.EXE
PID 1840 set thread context of 1200	1840	wininit.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

4444.exeRegSvcs.exewininit.exe

pid	process
564	4444.exe
564	4444.exe
1696	RegSvcs.exe
1696	RegSvcs.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe
1840	wininit.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exewininit.exe

pid process

1696 RegSvcs.exe
1696 RegSvcs.exe
1696 RegSvcs.exe
1840 wininit.exe
1840 wininit.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4444.exeRegSvcs.exewininit.exe

description pid process

Token: SeDebugPrivilege 564 4444.exe
Token: SeDebugPrivilege 1696 RegSvcs.exe
Token: SeDebugPrivilege 1840 wininit.exe

pid	process
1696	RegSvcs.exe
1696	RegSvcs.exe
1696	RegSvcs.exe
1840	wininit.exe
1840	wininit.exe

description	pid	process
Token: SeDebugPrivilege	564	4444.exe
Token: SeDebugPrivilege	1696	RegSvcs.exe
Token: SeDebugPrivilege	1840	wininit.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

4444.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 564 wrote to memory of 1696	564	4444.exe	RegSvcs.exe
PID 1200 wrote to memory of 1840	1200	Explorer.EXE	wininit.exe
PID 1200 wrote to memory of 1840	1200	Explorer.EXE	wininit.exe
PID 1200 wrote to memory of 1840	1200	Explorer.EXE	wininit.exe
PID 1200 wrote to memory of 1840	1200	Explorer.EXE	wininit.exe
PID 1840 wrote to memory of 1928	1840	wininit.exe	cmd.exe
PID 1840 wrote to memory of 1928	1840	wininit.exe	cmd.exe
PID 1840 wrote to memory of 1928	1840	wininit.exe	cmd.exe
PID 1840 wrote to memory of 1928	1840	wininit.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200

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:564

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:1696

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1928

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/564-59-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

Filesize
4KB

Download
memory/564-61-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/564-62-0x00000000004F0000-0x00000000004F7000-memory.dmp

Filesize
28KB

Download
memory/564-63-0x0000000004E10000-0x0000000004E70000-memory.dmp

Filesize
384KB

Download
memory/564-64-0x0000000004740000-0x000000000476A000-memory.dmp

Filesize
168KB

Download
memory/1200-76-0x0000000004AE0000-0x0000000004BC5000-memory.dmp

Filesize
916KB

Download
memory/1200-69-0x0000000006130000-0x0000000006272000-memory.dmp

Filesize
1.3MB

Download
memory/1696-68-0x0000000000180000-0x0000000000190000-memory.dmp

Filesize
64KB

Download
memory/1696-67-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/1696-66-0x000000000041D110-mapping.dmp

Download
memory/1696-65-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1840-70-0x0000000000000000-mapping.dmp

Download
memory/1840-72-0x0000000000F00000-0x0000000000F1A000-memory.dmp

Filesize
104KB

Download
memory/1840-73-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/1840-74-0x0000000000B90000-0x0000000000E93000-memory.dmp

Filesize
3.0MB

Download
memory/1840-75-0x0000000000340000-0x00000000003CF000-memory.dmp

Filesize
572KB

Download
memory/1928-71-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads