xloader | 521eaf117bcfc62a8ae241f2b625ad3850e686cb11b48b536aa4848f96966d83

Resubmissions

21-10-2021 12:23

211021-pkwctsbbdk 10

21-10-2021 10:04

211021-l4chaaabd5 10

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-en-20210920
submitted
21-10-2021 10:04

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General

Target

h.exe
Size

164KB
MD5

5a1625b4d218701aee2792942873844c
SHA1

7c182f2f42a6e0cfa173b984d7af9825d1d22675
SHA256

521eaf117bcfc62a8ae241f2b625ad3850e686cb11b48b536aa4848f96966d83
SHA512

59a6c529823426576d01ede431c77ec339a1e0622dc5dd8d7dfad7e6d63b7dded3fb19d51e1aa1119bd26fc5485e4dcb166a8dac2ee6f9d2c0e2753b5fcd4657

Score

10^/10

xloader euzn loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

euzn

http://www.heser.net/euzn/

Decoy

235296tyc.com

gold12guide.art

baibuaherb.com

weberwines.tax

chezvitoria.com

aidenb.tech

pitchdeckservice.com

surgeryforfdf.xyz

workunvaccinated.com

hrtaro.com

yourotcs.com

sonimultispecialityclinic.com

consultantadvisors.com

pentesting-consulting.com

dantechs.digital

longshifa.online

taweilai.net

imyusuke.com

cashndashfinancial.com

fasiglimt.quest

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/572-59-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

640 cmd.exe

pid	process
640	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

h.exesystray.exe

description	pid	process	target process
PID 268 set thread context of 1216	268	h.exe	Explorer.EXE
PID 572 set thread context of 1216	572	systray.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

h.exesystray.exe

pid	process
268	h.exe
268	h.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe
572	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

h.exesystray.exe

pid process

268 h.exe
268 h.exe
268 h.exe
572 systray.exe
572 systray.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

h.exesystray.exe

description pid process

Token: SeDebugPrivilege 268 h.exe
Token: SeDebugPrivilege 572 systray.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
1216 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
1216 Explorer.EXE

pid	process
1216	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	268	h.exe
Token: SeDebugPrivilege	572	systray.exe

pid	process
1216	Explorer.EXE
1216	Explorer.EXE

pid	process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Explorer.EXEsystray.exe

description	pid	process	target process
PID 1216 wrote to memory of 572	1216	Explorer.EXE	systray.exe
PID 1216 wrote to memory of 572	1216	Explorer.EXE	systray.exe
PID 1216 wrote to memory of 572	1216	Explorer.EXE	systray.exe
PID 1216 wrote to memory of 572	1216	Explorer.EXE	systray.exe
PID 572 wrote to memory of 640	572	systray.exe	cmd.exe
PID 572 wrote to memory of 640	572	systray.exe	cmd.exe
PID 572 wrote to memory of 640	572	systray.exe	cmd.exe
PID 572 wrote to memory of 640	572	systray.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1216

C:\Users\Admin\AppData\Local\Temp\h.exe
"C:\Users\Admin\AppData\Local\Temp\h.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:268

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:572

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\h.exe"
3⤵
- Deletes itself
PID:640

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/268-54-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/268-55-0x0000000000270000-0x0000000000281000-memory.dmp

Filesize
68KB

Download
memory/572-57-0x0000000000000000-mapping.dmp

Download
memory/572-58-0x00000000009D0000-0x00000000009D5000-memory.dmp

Filesize
20KB

Download
memory/572-59-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/572-61-0x0000000001F70000-0x0000000002273000-memory.dmp

Filesize
3.0MB

Download
memory/572-62-0x0000000001DE0000-0x0000000001E70000-memory.dmp

Filesize
576KB

Download
memory/640-60-0x0000000000000000-mapping.dmp

Download
memory/1216-56-0x0000000004C10000-0x0000000004D68000-memory.dmp

Filesize
1.3MB

Download
memory/1216-63-0x00000000049C0000-0x0000000004AA7000-memory.dmp

Filesize
924KB

Download