xloader | 4dbb7c1c75a4553436b03d96efcb5aa20c7c3668cfd6a50cb2c08fff92d5f499

General

Target

reg.exe
Size

421KB
MD5

6054a52000e12227158d5da6410896c5
SHA1

91b7c607dcac68260ca4175d21372796614269d5
SHA256

4dbb7c1c75a4553436b03d96efcb5aa20c7c3668cfd6a50cb2c08fff92d5f499
SHA512

291c418844648231b70e9886563e7d44d1ae9427b16adadee7004a0a121dfe73610fbc9a53dbf7e266b8a2809ced38fff7071403dba18790f05031bddcf864ae

Score

10^/10

xloader mwev loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

mwev

C2

http://www.scion-go-getter.com/mwev/

Decoy

9linefarms.com

meadow-spring.com

texascountrycharts.com

chinatowndeliver.com

grindsword.com

thegurusigavebirthto.com

rip-online.com

lm-safe-keepingtoyof6.xyz

plumbtechconsulting.com

jgoerlach.com

inbloomsolutions.com

foxandmew.com

tikomobile.store

waybunch.com

thepatriottutor.com

qask.top

pharmacylinked.com

ishii-miona.com

sugarandrocks.com

anabolenpower.net

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/3776-128-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3776-129-0x000000000041D480-mapping.dmp	xloader
behavioral2/memory/3248-137-0x0000000002BB0000-0x0000000002BD9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

reg.exereg.exeexplorer.exe

description	pid	process	target process
PID 4392 set thread context of 3776	4392	reg.exe	reg.exe
PID 3776 set thread context of 2236	3776	reg.exe	Explorer.EXE
PID 3248 set thread context of 2236	3248	explorer.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

reg.exereg.exeexplorer.exe

pid	process
4392	reg.exe
4392	reg.exe
4392	reg.exe
4392	reg.exe
4392	reg.exe
4392	reg.exe
3776	reg.exe
3776	reg.exe
3776	reg.exe
3776	reg.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe
3248	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2236 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

reg.exeexplorer.exe

pid process

3776 reg.exe
3776 reg.exe
3776 reg.exe
3248 explorer.exe
3248 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

reg.exereg.exeexplorer.exe

description pid process

Token: SeDebugPrivilege 4392 reg.exe
Token: SeDebugPrivilege 3776 reg.exe
Token: SeDebugPrivilege 3248 explorer.exe

pid	process
2236	Explorer.EXE

pid	process
3776	reg.exe
3776	reg.exe
3776	reg.exe
3248	explorer.exe
3248	explorer.exe

description	pid	process
Token: SeDebugPrivilege	4392	reg.exe
Token: SeDebugPrivilege	3776	reg.exe
Token: SeDebugPrivilege	3248	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

reg.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 4392 wrote to memory of 4696	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 4696	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 4696	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 4424	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 4424	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 4424	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 976	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 976	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 976	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 3776	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 3776	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 3776	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 3776	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 3776	4392	reg.exe	reg.exe
PID 4392 wrote to memory of 3776	4392	reg.exe	reg.exe
PID 2236 wrote to memory of 3248	2236	Explorer.EXE	explorer.exe
PID 2236 wrote to memory of 3248	2236	Explorer.EXE	explorer.exe
PID 2236 wrote to memory of 3248	2236	Explorer.EXE	explorer.exe
PID 3248 wrote to memory of 584	3248	explorer.exe	cmd.exe
PID 3248 wrote to memory of 584	3248	explorer.exe	cmd.exe
PID 3248 wrote to memory of 584	3248	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2236

C:\Users\Admin\AppData\Local\Temp\reg.exe
"C:\Users\Admin\AppData\Local\Temp\reg.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4392

C:\Users\Admin\AppData\Local\Temp\reg.exe
"C:\Users\Admin\AppData\Local\Temp\reg.exe"
3⤵
PID:4696

C:\Users\Admin\AppData\Local\Temp\reg.exe
"C:\Users\Admin\AppData\Local\Temp\reg.exe"
3⤵
PID:4424

C:\Users\Admin\AppData\Local\Temp\reg.exe
"C:\Users\Admin\AppData\Local\Temp\reg.exe"
3⤵
PID:976

C:\Users\Admin\AppData\Local\Temp\reg.exe
"C:\Users\Admin\AppData\Local\Temp\reg.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3776

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3248

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\reg.exe"
3⤵
PID:584

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/584-135-0x0000000000000000-mapping.dmp

Download
memory/2236-133-0x0000000006220000-0x000000000637D000-memory.dmp

Filesize
1.4MB

Download
memory/2236-140-0x0000000006890000-0x00000000069B7000-memory.dmp

Filesize
1.2MB

Download
memory/3248-139-0x0000000004870000-0x0000000004900000-memory.dmp

Filesize
576KB

Download
memory/3248-138-0x0000000004BB0000-0x0000000004ED0000-memory.dmp

Filesize
3.1MB

Download
memory/3248-137-0x0000000002BB0000-0x0000000002BD9000-memory.dmp

Filesize
164KB

Download
memory/3248-136-0x0000000000310000-0x000000000074F000-memory.dmp

Filesize
4.2MB

Download
memory/3248-134-0x0000000000000000-mapping.dmp

Download
memory/3776-129-0x000000000041D480-mapping.dmp

Download
memory/3776-128-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3776-132-0x0000000000D90000-0x0000000000EDA000-memory.dmp

Filesize
1.3MB

Download
memory/3776-131-0x0000000001350000-0x0000000001670000-memory.dmp

Filesize
3.1MB

Download
memory/4392-118-0x0000000000D00000-0x0000000000D01000-memory.dmp

Filesize
4KB

Download
memory/4392-127-0x0000000006420000-0x0000000006478000-memory.dmp

Filesize
352KB

Download
memory/4392-126-0x0000000006380000-0x0000000006381000-memory.dmp

Filesize
4KB

Download
memory/4392-125-0x00000000058E0000-0x00000000058E1000-memory.dmp

Filesize
4KB

Download
memory/4392-124-0x00000000058C0000-0x00000000058C8000-memory.dmp

Filesize
32KB

Download
memory/4392-123-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download
memory/4392-122-0x00000000055A0000-0x0000000005A9E000-memory.dmp

Filesize
5.0MB

Download
memory/4392-121-0x00000000055A0000-0x00000000055A1000-memory.dmp

Filesize
4KB

Download
memory/4392-120-0x0000000005AA0000-0x0000000005AA1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads