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
behavioral1/memory/1460-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1460-63-0x000000000041D4A0-mapping.dmp	xloader
behavioral1/memory/1220-71-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1984 cmd.exe

pid	process
1984	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Invoice.exeInvoice.exeNAPSTAT.EXE

description	pid	process	target process
PID 324 set thread context of 1460	324	Invoice.exe	Invoice.exe
PID 1460 set thread context of 1364	1460	Invoice.exe	Explorer.EXE
PID 1220 set thread context of 1364	1220	NAPSTAT.EXE	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

NAPSTAT.EXE

description ioc process

File opened for modification C:\Program Files (x86)\L4h9l_r5h\regsvcnnu0.exe NAPSTAT.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\L4h9l_r5h\regsvcnnu0.exe	NAPSTAT.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

Invoice.exeNAPSTAT.EXE

pid	process
1460	Invoice.exe
1460	Invoice.exe
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE
1220	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Invoice.exeNAPSTAT.EXE

pid process

1460 Invoice.exe
1460 Invoice.exe
1460 Invoice.exe
1220 NAPSTAT.EXE
1220 NAPSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice.exeNAPSTAT.EXE

description pid process

Token: SeDebugPrivilege 1460 Invoice.exe
Token: SeDebugPrivilege 1220 NAPSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
1364 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
1364 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1460	Invoice.exe
Token: SeDebugPrivilege	1220	NAPSTAT.EXE

pid	process
1364	Explorer.EXE
1364	Explorer.EXE

pid	process
1364	Explorer.EXE
1364	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Invoice.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 324 wrote to memory of 1460	324	Invoice.exe	Invoice.exe
PID 324 wrote to memory of 1460	324	Invoice.exe	Invoice.exe
PID 324 wrote to memory of 1460	324	Invoice.exe	Invoice.exe
PID 324 wrote to memory of 1460	324	Invoice.exe	Invoice.exe
PID 324 wrote to memory of 1460	324	Invoice.exe	Invoice.exe
PID 324 wrote to memory of 1460	324	Invoice.exe	Invoice.exe
PID 324 wrote to memory of 1460	324	Invoice.exe	Invoice.exe
PID 1364 wrote to memory of 1220	1364	Explorer.EXE	NAPSTAT.EXE
PID 1364 wrote to memory of 1220	1364	Explorer.EXE	NAPSTAT.EXE
PID 1364 wrote to memory of 1220	1364	Explorer.EXE	NAPSTAT.EXE
PID 1364 wrote to memory of 1220	1364	Explorer.EXE	NAPSTAT.EXE
PID 1220 wrote to memory of 1984	1220	NAPSTAT.EXE	cmd.exe
PID 1220 wrote to memory of 1984	1220	NAPSTAT.EXE	cmd.exe
PID 1220 wrote to memory of 1984	1220	NAPSTAT.EXE	cmd.exe
PID 1220 wrote to memory of 1984	1220	NAPSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1364

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:324

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:1460

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
3⤵
- Deletes itself
PID:1984

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/324-54-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/324-56-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/324-57-0x0000000076B61000-0x0000000076B63000-memory.dmp

Filesize
8KB

Download
memory/324-58-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/324-59-0x0000000000930000-0x000000000097A000-memory.dmp

Filesize
296KB

Download
memory/1220-68-0x0000000000000000-mapping.dmp

Download
memory/1220-71-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1220-73-0x0000000001C90000-0x0000000001D20000-memory.dmp

Filesize
576KB

Download
memory/1220-70-0x00000000006B0000-0x00000000006F6000-memory.dmp

Filesize
280KB

Download
memory/1220-72-0x0000000001F60000-0x0000000002263000-memory.dmp

Filesize
3.0MB

Download
memory/1364-74-0x00000000064D0000-0x000000000662B000-memory.dmp

Filesize
1.4MB

Download
memory/1364-67-0x0000000006FE0000-0x0000000007148000-memory.dmp

Filesize
1.4MB

Download
memory/1460-66-0x0000000000300000-0x0000000000311000-memory.dmp

Filesize
68KB

Download
memory/1460-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1460-65-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/1460-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1460-63-0x000000000041D4A0-mapping.dmp

Download
memory/1460-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1984-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads