xloader | 17c043ba55fafd013b55f51874cb0d620669ca68e9a0ad2f78dbea8fafffddc6

General

Target

pay.exe
Size

493KB
MD5

d08e51116e789fa67fd4d535ad4f399b
SHA1

1d7d28fb75910f580d75167c0b30ebadd79fe8ca
SHA256

7deecd8502e99ced6aec8588840f7e972a3b030c19e0e88ef94ec3a9d2ababc9
SHA512

6a576a4765cd48138989742cad201abc09941290d70459b13e9dbe3680fe6b291a4a422fbc7dfc4c26e0b554794015194f78c6d2e2082053ba9c1a2a9313bfa1

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/3936-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3936-125-0x000000000041D410-mapping.dmp	xloader
behavioral2/memory/2852-134-0x00000000028A0000-0x00000000028C9000-memory.dmp	xloader

Blocklisted process makes network request 4 IoCs

Processes:

msiexec.exe

flow pid process

27 2852 msiexec.exe
36 2852 msiexec.exe
56 2852 msiexec.exe
67 2852 msiexec.exe

flow	pid	process
27	2852	msiexec.exe
36	2852	msiexec.exe
56	2852	msiexec.exe
67	2852	msiexec.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

pay.exeRegSvcs.exemsiexec.exe

description	pid	process	target process
PID 628 set thread context of 3936	628	pay.exe	RegSvcs.exe
PID 3936 set thread context of 2996	3936	RegSvcs.exe	Explorer.EXE
PID 2852 set thread context of 2996	2852	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

pay.exeRegSvcs.exemsiexec.exe

pid	process
628	pay.exe
628	pay.exe
3936	RegSvcs.exe
3936	RegSvcs.exe
3936	RegSvcs.exe
3936	RegSvcs.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe
2852	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2996 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exemsiexec.exe

pid process

3936 RegSvcs.exe
3936 RegSvcs.exe
3936 RegSvcs.exe
2852 msiexec.exe
2852 msiexec.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pay.exeRegSvcs.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 628 pay.exe
Token: SeDebugPrivilege 3936 RegSvcs.exe
Token: SeDebugPrivilege 2852 msiexec.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2996 Explorer.EXE

pid	process
2996	Explorer.EXE

pid	process
3936	RegSvcs.exe
3936	RegSvcs.exe
3936	RegSvcs.exe
2852	msiexec.exe
2852	msiexec.exe

description	pid	process
Token: SeDebugPrivilege	628	pay.exe
Token: SeDebugPrivilege	3936	RegSvcs.exe
Token: SeDebugPrivilege	2852	msiexec.exe

pid	process
2996	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

pay.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 628 wrote to memory of 3936	628	pay.exe	RegSvcs.exe
PID 628 wrote to memory of 3936	628	pay.exe	RegSvcs.exe
PID 628 wrote to memory of 3936	628	pay.exe	RegSvcs.exe
PID 628 wrote to memory of 3936	628	pay.exe	RegSvcs.exe
PID 628 wrote to memory of 3936	628	pay.exe	RegSvcs.exe
PID 628 wrote to memory of 3936	628	pay.exe	RegSvcs.exe
PID 2996 wrote to memory of 2852	2996	Explorer.EXE	msiexec.exe
PID 2996 wrote to memory of 2852	2996	Explorer.EXE	msiexec.exe
PID 2996 wrote to memory of 2852	2996	Explorer.EXE	msiexec.exe
PID 2852 wrote to memory of 400	2852	msiexec.exe	cmd.exe
PID 2852 wrote to memory of 400	2852	msiexec.exe	cmd.exe
PID 2852 wrote to memory of 400	2852	msiexec.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\pay.exe
"C:\Users\Admin\AppData\Local\Temp\pay.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:628

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:3936

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:400

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/400-132-0x0000000000000000-mapping.dmp

Download
memory/628-120-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/628-117-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/628-118-0x0000000004990000-0x0000000004A22000-memory.dmp

Filesize
584KB

Download
memory/628-119-0x0000000004A20000-0x0000000004A21000-memory.dmp

Filesize
4KB

Download
memory/628-114-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/628-121-0x0000000004BC0000-0x0000000004BC7000-memory.dmp

Filesize
28KB

Download
memory/628-122-0x0000000005730000-0x000000000578C000-memory.dmp

Filesize
368KB

Download
memory/628-116-0x0000000004F40000-0x0000000004F41000-memory.dmp

Filesize
4KB

Download
memory/628-123-0x0000000007C80000-0x0000000007CAB000-memory.dmp

Filesize
172KB

Download
memory/2852-135-0x0000000004900000-0x0000000004C20000-memory.dmp

Filesize
3.1MB

Download
memory/2852-129-0x0000000000000000-mapping.dmp

Download
memory/2852-133-0x0000000000850000-0x0000000000862000-memory.dmp

Filesize
72KB

Download
memory/2852-134-0x00000000028A0000-0x00000000028C9000-memory.dmp

Filesize
164KB

Download
memory/2852-136-0x0000000004750000-0x00000000047E0000-memory.dmp

Filesize
576KB

Download
memory/2996-137-0x0000000009130000-0x0000000009299000-memory.dmp

Filesize
1.4MB

Download
memory/2996-128-0x0000000007080000-0x0000000007154000-memory.dmp

Filesize
848KB

Download
memory/3936-127-0x0000000001570000-0x0000000001581000-memory.dmp

Filesize
68KB

Download
memory/3936-126-0x0000000001110000-0x0000000001430000-memory.dmp

Filesize
3.1MB

Download
memory/3936-125-0x000000000041D410-mapping.dmp

Download
memory/3936-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads