xloader | 3113b0fca0c98040820bffbc1dfb34b9252a73765a37de7d753f8d4cc318a425

General

Target

Purchase Order FEB22_76543.exe
Size

707KB
MD5

427ef5f4e1143ad34c33b26dc4681661
SHA1

673fb1a58e4707ad783d03ca97b3fbd8b4cad73a
SHA256

cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
SHA512

b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb

Score

10^/10

xloader zqzw loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

zqzw

Decoy

laurentmathieu.com

nohohonndana.com

hhmc.info

shophallows.com

blazebunk.com

goodbridge.xyz

flakycloud.com

bakermckenziegroups.com

formation-adistance.com

lovingearthbotanicals.com

tbrservice.plus

heritagehousehotels.com

drwbuildersco.com

lacsghb.com

wain3x.com

dadreview.club

continiutycp.com

cockgirls.com

48mpt.xyz

033skz.xyz

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/1348-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1348-64-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1248-71-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1080 cmd.exe

pid	process
1080	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Purchase Order FEB22_76543.exePurchase Order FEB22_76543.exesystray.exe

description	pid	process	target process
PID 1908 set thread context of 1348	1908	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 1348 set thread context of 1416	1348	Purchase Order FEB22_76543.exe	Explorer.EXE
PID 1248 set thread context of 1416	1248	systray.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

Purchase Order FEB22_76543.exesystray.exe

pid	process
1348	Purchase Order FEB22_76543.exe
1348	Purchase Order FEB22_76543.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe
1248	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Purchase Order FEB22_76543.exesystray.exe

pid process

1348 Purchase Order FEB22_76543.exe
1348 Purchase Order FEB22_76543.exe
1348 Purchase Order FEB22_76543.exe
1248 systray.exe
1248 systray.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order FEB22_76543.exesystray.exe

description pid process

Token: SeDebugPrivilege 1348 Purchase Order FEB22_76543.exe
Token: SeDebugPrivilege 1248 systray.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1416 Explorer.EXE
1416 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1416 Explorer.EXE
1416 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1348	Purchase Order FEB22_76543.exe
Token: SeDebugPrivilege	1248	systray.exe

pid	process
1416	Explorer.EXE
1416	Explorer.EXE

pid	process
1416	Explorer.EXE
1416	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Purchase Order FEB22_76543.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1908 wrote to memory of 1348	1908	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 1908 wrote to memory of 1348	1908	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 1908 wrote to memory of 1348	1908	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 1908 wrote to memory of 1348	1908	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 1908 wrote to memory of 1348	1908	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 1908 wrote to memory of 1348	1908	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 1908 wrote to memory of 1348	1908	Purchase Order FEB22_76543.exe	Purchase Order FEB22_76543.exe
PID 1416 wrote to memory of 1248	1416	Explorer.EXE	systray.exe
PID 1416 wrote to memory of 1248	1416	Explorer.EXE	systray.exe
PID 1416 wrote to memory of 1248	1416	Explorer.EXE	systray.exe
PID 1416 wrote to memory of 1248	1416	Explorer.EXE	systray.exe
PID 1248 wrote to memory of 1080	1248	systray.exe	cmd.exe
PID 1248 wrote to memory of 1080	1248	systray.exe	cmd.exe
PID 1248 wrote to memory of 1080	1248	systray.exe	cmd.exe
PID 1248 wrote to memory of 1080	1248	systray.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order FEB22_76543.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order FEB22_76543.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1908

C:\Users\Admin\AppData\Local\Temp\Purchase Order FEB22_76543.exe
"{path}"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1348

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1416

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:1248

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order FEB22_76543.exe"
3⤵
- Deletes itself
PID:1080

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1248-69-0x00000000003B0000-0x00000000003B5000-memory.dmp

Filesize
20KB

Download
memory/1248-72-0x00000000020E0000-0x0000000002170000-memory.dmp

Filesize
576KB

Download
memory/1248-71-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/1248-70-0x0000000001DD0000-0x00000000020D3000-memory.dmp

Filesize
3.0MB

Download
memory/1348-67-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/1348-65-0x0000000000B20000-0x0000000000E23000-memory.dmp

Filesize
3.0MB

Download
memory/1348-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1348-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1348-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1348-64-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1348-66-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/1416-68-0x0000000006990000-0x0000000006AA1000-memory.dmp

Filesize
1.1MB

Download
memory/1416-73-0x0000000006AB0000-0x0000000006BEB000-memory.dmp

Filesize
1.2MB

Download
memory/1908-59-0x0000000000590000-0x00000000005C0000-memory.dmp

Filesize
192KB

Download
memory/1908-54-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/1908-58-0x0000000004460000-0x00000000044E2000-memory.dmp

Filesize
520KB

Download
memory/1908-57-0x0000000000200000-0x000000000020A000-memory.dmp

Filesize
40KB

Download
memory/1908-56-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/1908-55-0x0000000000800000-0x00000000008B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads