xloader | 9ed84f9f973b347f43b51d079a97623f4cc9f6d5a7b793e1593f26207101af3c

General

Target

winlog.exe
Size

696KB
MD5

5d2f26ac6b48725279d98aa87eff8506
SHA1

7ab3874eb9d316a503133367b12d3628e6dbe264
SHA256

06bed76c389db454d5b86a64bf7127a21c013b48d79b3b83511263c424f5cf65
SHA512

e81c607ee870bde0e5a84714f1634e19f6959d1f46a4d5ffea2baeba241712ca4f2e2bdf4f6c8794db7b35216ded5d52743b7faac75d3382dd58f88e24294e41

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.zlzntiayc.icu/a6ru/

Decoy

noseainsight.com

chateaudedigoine.com

tezhonda.com

lowergwyeneddmassage.com

convenienttext.com

quickbookaccountingpros.com

mashburneventcenter.com

marthabymsfashion.com

thearcadela.com

invisiblefingerprint.com

nikadoo.com

artsmartclinton.com

elitetouringinnovations.com

atualizarapp2020.com

nideke1.com

fyj-sh.com

rufflesales.com

algemixdelchef.com

appleoneplus.com

ryosuketanikawa.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2116-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2116-126-0x000000000041D0C0-mapping.dmp	xloader
behavioral2/memory/3924-133-0x0000000000EC0000-0x0000000000EE9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

winlog.exewinlog.exeNETSTAT.EXE

description	pid	process	target process
PID 2840 set thread context of 2116	2840	winlog.exe	winlog.exe
PID 2116 set thread context of 3020	2116	winlog.exe	Explorer.EXE
PID 3924 set thread context of 3020	3924	NETSTAT.EXE	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

3924 NETSTAT.EXE

pid	process
3924	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

winlog.exewinlog.exeNETSTAT.EXE

pid	process
2840	winlog.exe
2840	winlog.exe
2840	winlog.exe
2840	winlog.exe
2840	winlog.exe
2840	winlog.exe
2840	winlog.exe
2840	winlog.exe
2116	winlog.exe
2116	winlog.exe
2116	winlog.exe
2116	winlog.exe
3924	NETSTAT.EXE
3924	NETSTAT.EXE
3924	NETSTAT.EXE
3924	NETSTAT.EXE
3924	NETSTAT.EXE
3924	NETSTAT.EXE
3924	NETSTAT.EXE
3924	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

winlog.exeNETSTAT.EXE

pid process

2116 winlog.exe
2116 winlog.exe
2116 winlog.exe
3924 NETSTAT.EXE
3924 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

winlog.exewinlog.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 2840 winlog.exe
Token: SeDebugPrivilege 2116 winlog.exe
Token: SeDebugPrivilege 3924 NETSTAT.EXE

pid	process
2116	winlog.exe
2116	winlog.exe
2116	winlog.exe
3924	NETSTAT.EXE
3924	NETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	2840	winlog.exe
Token: SeDebugPrivilege	2116	winlog.exe
Token: SeDebugPrivilege	3924	NETSTAT.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

winlog.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 2840 wrote to memory of 1324	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 1324	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 1324	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 1340	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 1340	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 1340	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 1928	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 1928	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 1928	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 2100	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 2100	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 2100	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 2116	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 2116	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 2116	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 2116	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 2116	2840	winlog.exe	winlog.exe
PID 2840 wrote to memory of 2116	2840	winlog.exe	winlog.exe
PID 3020 wrote to memory of 3924	3020	Explorer.EXE	NETSTAT.EXE
PID 3020 wrote to memory of 3924	3020	Explorer.EXE	NETSTAT.EXE
PID 3020 wrote to memory of 3924	3020	Explorer.EXE	NETSTAT.EXE
PID 3924 wrote to memory of 1816	3924	NETSTAT.EXE	cmd.exe
PID 3924 wrote to memory of 1816	3924	NETSTAT.EXE	cmd.exe
PID 3924 wrote to memory of 1816	3924	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3020

C:\Users\Admin\AppData\Local\Temp\winlog.exe
"C:\Users\Admin\AppData\Local\Temp\winlog.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840

C:\Users\Admin\AppData\Local\Temp\winlog.exe
"C:\Users\Admin\AppData\Local\Temp\winlog.exe"
3⤵
PID:1324

C:\Users\Admin\AppData\Local\Temp\winlog.exe
"C:\Users\Admin\AppData\Local\Temp\winlog.exe"
3⤵
PID:1340

C:\Users\Admin\AppData\Local\Temp\winlog.exe
"C:\Users\Admin\AppData\Local\Temp\winlog.exe"
3⤵
PID:1928

C:\Users\Admin\AppData\Local\Temp\winlog.exe
"C:\Users\Admin\AppData\Local\Temp\winlog.exe"
3⤵
PID:2100

C:\Users\Admin\AppData\Local\Temp\winlog.exe
"C:\Users\Admin\AppData\Local\Temp\winlog.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2116

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3924

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\winlog.exe"
3⤵
PID:1816

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1816-135-0x0000000000000000-mapping.dmp

Download
memory/2116-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2116-129-0x0000000000E10000-0x0000000000E20000-memory.dmp

Filesize
64KB

Download
memory/2116-128-0x00000000012E0000-0x0000000001600000-memory.dmp

Filesize
3.1MB

Download
memory/2116-126-0x000000000041D0C0-mapping.dmp

Download
memory/2840-120-0x0000000005430000-0x0000000005431000-memory.dmp

Filesize
4KB

Download
memory/2840-116-0x00000000054B0000-0x00000000054B1000-memory.dmp

Filesize
4KB

Download
memory/2840-122-0x0000000005700000-0x000000000570E000-memory.dmp

Filesize
56KB

Download
memory/2840-123-0x0000000001420000-0x0000000001497000-memory.dmp

Filesize
476KB

Download
memory/2840-124-0x0000000001050000-0x0000000001080000-memory.dmp

Filesize
192KB

Download
memory/2840-114-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/2840-119-0x0000000005550000-0x0000000005A4E000-memory.dmp

Filesize
5.0MB

Download
memory/2840-118-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/2840-117-0x0000000005A50000-0x0000000005A51000-memory.dmp

Filesize
4KB

Download
memory/2840-121-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/3020-130-0x0000000004A30000-0x0000000004B8B000-memory.dmp

Filesize
1.4MB

Download
memory/3020-137-0x00000000024A0000-0x000000000254A000-memory.dmp

Filesize
680KB

Download
memory/3924-132-0x0000000001290000-0x000000000129B000-memory.dmp

Filesize
44KB

Download
memory/3924-133-0x0000000000EC0000-0x0000000000EE9000-memory.dmp

Filesize
164KB

Download
memory/3924-134-0x0000000003620000-0x0000000003940000-memory.dmp

Filesize
3.1MB

Download
memory/3924-131-0x0000000000000000-mapping.dmp

Download
memory/3924-136-0x0000000003570000-0x00000000035FF000-memory.dmp

Filesize
572KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads