xloader | 3bae9b893714983a989f2d82cbafe1166df96100ae5d05cb6914c8ad37528f7f

General

Target

grace $$.exe
Size

489KB
MD5

ba3c72780f80542fe09aeed80a9a56c6
SHA1

22bc724884cf52efe4c596bcd8ffdd155c783238
SHA256

c840ee368fcab5974485c16fc456b1dc1923cc5e113ce6a96f6f314a7ec5ac94
SHA512

a66602343d24dff4330551b900644ece8fe62059a88327ddac99fb0bc625a7eb3cfa6f3697beed4a0ec9f2f1f227f42dd4e36c43470cf4c71d38b6ad07ee15fd

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
behavioral2/memory/2304-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2304-125-0x000000000041D110-mapping.dmp	xloader
behavioral2/memory/496-132-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

grace $$.exeRegSvcs.exeraserver.exe

description	pid	process	target process
PID 568 set thread context of 2304	568	grace $$.exe	RegSvcs.exe
PID 2304 set thread context of 2988	2304	RegSvcs.exe	Explorer.EXE
PID 496 set thread context of 2988	496	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

grace $$.exeRegSvcs.exeraserver.exe

pid	process
568	grace $$.exe
568	grace $$.exe
2304	RegSvcs.exe
2304	RegSvcs.exe
2304	RegSvcs.exe
2304	RegSvcs.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe
496	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2988 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exeraserver.exe

pid process

2304 RegSvcs.exe
2304 RegSvcs.exe
2304 RegSvcs.exe
496 raserver.exe
496 raserver.exe

pid	process
2988	Explorer.EXE

pid	process
2304	RegSvcs.exe
2304	RegSvcs.exe
2304	RegSvcs.exe
496	raserver.exe
496	raserver.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

grace $$.exeRegSvcs.exeraserver.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	568	grace $$.exe
Token: SeDebugPrivilege	2304	RegSvcs.exe
Token: SeDebugPrivilege	496	raserver.exe
Token: SeShutdownPrivilege	2988	Explorer.EXE
Token: SeCreatePagefilePrivilege	2988	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2988 Explorer.EXE

pid	process
2988	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

grace $$.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 568 wrote to memory of 2304	568	grace $$.exe	RegSvcs.exe
PID 568 wrote to memory of 2304	568	grace $$.exe	RegSvcs.exe
PID 568 wrote to memory of 2304	568	grace $$.exe	RegSvcs.exe
PID 568 wrote to memory of 2304	568	grace $$.exe	RegSvcs.exe
PID 568 wrote to memory of 2304	568	grace $$.exe	RegSvcs.exe
PID 568 wrote to memory of 2304	568	grace $$.exe	RegSvcs.exe
PID 2988 wrote to memory of 496	2988	Explorer.EXE	raserver.exe
PID 2988 wrote to memory of 496	2988	Explorer.EXE	raserver.exe
PID 2988 wrote to memory of 496	2988	Explorer.EXE	raserver.exe
PID 496 wrote to memory of 1120	496	raserver.exe	cmd.exe
PID 496 wrote to memory of 1120	496	raserver.exe	cmd.exe
PID 496 wrote to memory of 1120	496	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2988

C:\Users\Admin\AppData\Local\Temp\grace $$.exe
"C:\Users\Admin\AppData\Local\Temp\grace $$.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:568

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:2304

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:496

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1120

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/496-134-0x00000000041B0000-0x000000000423F000-memory.dmp

Filesize
572KB

Download
memory/496-131-0x0000000000D90000-0x0000000000DAF000-memory.dmp

Filesize
124KB

Download
memory/496-132-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/496-129-0x0000000000000000-mapping.dmp

Download
memory/496-133-0x00000000044F0000-0x0000000004810000-memory.dmp

Filesize
3.1MB

Download
memory/568-118-0x0000000005000000-0x0000000005001000-memory.dmp

Filesize
4KB

Download
memory/568-121-0x000000000C5E0000-0x000000000C5E1000-memory.dmp

Filesize
4KB

Download
memory/568-122-0x000000000C680000-0x000000000C6DF000-memory.dmp

Filesize
380KB

Download
memory/568-123-0x000000000F150000-0x000000000F17A000-memory.dmp

Filesize
168KB

Download
memory/568-120-0x00000000053F0000-0x0000000005406000-memory.dmp

Filesize
88KB

Download
memory/568-119-0x0000000004F60000-0x000000000545E000-memory.dmp

Filesize
5.0MB

Download
memory/568-117-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/568-116-0x0000000005460000-0x0000000005461000-memory.dmp

Filesize
4KB

Download
memory/568-114-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/1120-130-0x0000000000000000-mapping.dmp

Download
memory/2304-126-0x0000000000F40000-0x0000000001260000-memory.dmp

Filesize
3.1MB

Download
memory/2304-127-0x00000000009F0000-0x0000000000B3A000-memory.dmp

Filesize
1.3MB

Download
memory/2304-125-0x000000000041D110-mapping.dmp

Download
memory/2304-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2988-128-0x00000000060F0000-0x0000000006280000-memory.dmp

Filesize
1.6MB

Download
memory/2988-135-0x0000000006800000-0x000000000693C000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads