xloader | f82263cd92ff85163569edb0eae620d23858d5958bb88b5bb205e6660d1e8822

General

Target

Invoice.exe
Size

376KB
MD5

d316b55036ed7571bf26849eb0ae463b
SHA1

9b9e1398a81f5692caaf168023311e78fba2b193
SHA256

f82263cd92ff85163569edb0eae620d23858d5958bb88b5bb205e6660d1e8822
SHA512

4037268abc4c9a08d1c8cb2ac87ea239c4315999ef315fe08a2b1c9eac34163a318c9cbfdcb4a11477b0388527f0f15572325b6a9e75fb117765550e48e5ef56

Score

10^/10

xloader ku75 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ku75

C2

http://www.majesticgolftours.com/ku75/

Decoy

brews4you.net

underdogpride.com

ej-anders.com

celescope.com

misguidedmarket.com

chaoqiangjixie.com

goldingravel.com

sliceofheavenmenu.com

playlovely.com

modern-elementz.com

privateschoolsofmanila.com

calguardbeta.com

greekowner.com

enrisi.com

musicway.digital

cryptohealthpass.com

kinchipectic.quest

sherwoodstory.online

consultordeimoveis.online

selfhealthcare.club

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/3176-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3176-125-0x000000000041D4A0-mapping.dmp	xloader
behavioral2/memory/1496-132-0x0000000000530000-0x0000000000559000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

Invoice.exeInvoice.execolorcpl.exe

description	pid	process	target process
PID 3672 set thread context of 3176	3672	Invoice.exe	Invoice.exe
PID 3176 set thread context of 3024	3176	Invoice.exe	Explorer.EXE
PID 1496 set thread context of 3024	1496	colorcpl.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

Invoice.execolorcpl.exe

pid	process
3176	Invoice.exe
3176	Invoice.exe
3176	Invoice.exe
3176	Invoice.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe
1496	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Invoice.execolorcpl.exe

pid process

3176 Invoice.exe
3176 Invoice.exe
3176 Invoice.exe
1496 colorcpl.exe
1496 colorcpl.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice.execolorcpl.exe

description pid process

Token: SeDebugPrivilege 3176 Invoice.exe
Token: SeDebugPrivilege 1496 colorcpl.exe

pid	process
3024	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3176	Invoice.exe
Token: SeDebugPrivilege	1496	colorcpl.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Invoice.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 3672 wrote to memory of 3176	3672	Invoice.exe	Invoice.exe
PID 3672 wrote to memory of 3176	3672	Invoice.exe	Invoice.exe
PID 3672 wrote to memory of 3176	3672	Invoice.exe	Invoice.exe
PID 3672 wrote to memory of 3176	3672	Invoice.exe	Invoice.exe
PID 3672 wrote to memory of 3176	3672	Invoice.exe	Invoice.exe
PID 3672 wrote to memory of 3176	3672	Invoice.exe	Invoice.exe
PID 3024 wrote to memory of 1496	3024	Explorer.EXE	colorcpl.exe
PID 3024 wrote to memory of 1496	3024	Explorer.EXE	colorcpl.exe
PID 3024 wrote to memory of 1496	3024	Explorer.EXE	colorcpl.exe
PID 1496 wrote to memory of 3768	1496	colorcpl.exe	cmd.exe
PID 1496 wrote to memory of 3768	1496	colorcpl.exe	cmd.exe
PID 1496 wrote to memory of 3768	1496	colorcpl.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3024

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3672

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3176

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
3⤵
PID:3768

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1496-135-0x0000000004530000-0x00000000045C0000-memory.dmp

Filesize
576KB

Download
memory/1496-131-0x0000000000C90000-0x0000000000CA9000-memory.dmp

Filesize
100KB

Download
memory/1496-133-0x00000000046E0000-0x0000000004A00000-memory.dmp

Filesize
3.1MB

Download
memory/1496-132-0x0000000000530000-0x0000000000559000-memory.dmp

Filesize
164KB

Download
memory/1496-130-0x0000000000000000-mapping.dmp

Download
memory/3024-129-0x0000000005D00000-0x0000000005E37000-memory.dmp

Filesize
1.2MB

Download
memory/3024-136-0x0000000002450000-0x0000000002517000-memory.dmp

Filesize
796KB

Download
memory/3176-128-0x00000000014C0000-0x000000000160A000-memory.dmp

Filesize
1.3MB

Download
memory/3176-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3176-125-0x000000000041D4A0-mapping.dmp

Download
memory/3176-127-0x0000000001A40000-0x0000000001D60000-memory.dmp

Filesize
3.1MB

Download
memory/3672-115-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download
memory/3672-123-0x00000000091E0000-0x000000000922A000-memory.dmp

Filesize
296KB

Download
memory/3672-122-0x0000000009230000-0x0000000009231000-memory.dmp

Filesize
4KB

Download
memory/3672-121-0x0000000005C50000-0x0000000005C56000-memory.dmp

Filesize
24KB

Download
memory/3672-120-0x0000000005A60000-0x0000000005A61000-memory.dmp

Filesize
4KB

Download
memory/3672-119-0x0000000005A20000-0x0000000005F1E000-memory.dmp

Filesize
5.0MB

Download
memory/3672-118-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/3672-117-0x0000000005F20000-0x0000000005F21000-memory.dmp

Filesize
4KB

Download
memory/3768-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads