xloader | 881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3

General

Target

New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
Size

597KB
MD5

25f5c52cdda04e1e029d2326e29ca8d5
SHA1

f166d6adfd2c7e369948252546d2113a7ee07224
SHA256

881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3
SHA512

a0b43ad104de5701c299db0763494fed609b282eadf03fd6b20aa02910197129fa2511f42ba0cca1ea90cf9f93d1e893697c96972356c4601b4fb34422f71a1d

Score

10^/10

xloader pufi loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pufi

C2

http://www.homestechs.com/pufi/

Decoy

fusiongroupgames.net

hugevari.com

rebeccagriffiths.com

trocaoferta.com

theslashapp.com

codezonesoftware.xyz

sottocommunications.com

minicreators.online

course2millions.com

hfm5n1dhkjqwpe.xyz

xlab-ub.com

silvanaribeirocake.com

thefabinteriordesign.com

mg-leadership.com

petbort.com

ndust.net

203040302.xyz

jakital.com

shophuunghia.info

rednacionaldejuecesrd.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1832-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1832-63-0x000000000041D450-mapping.dmp	xloader
behavioral1/memory/1832-68-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/932-73-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1048 cmd.exe

pid	process
1048	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

New Offer to Thalassa Imports nv-sa._200317.xlsx.exeNew Offer to Thalassa Imports nv-sa._200317.xlsx.exeNETSTAT.EXE

description	pid	process	target process
PID 728 set thread context of 1832	728	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
PID 1832 set thread context of 1244	1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	Explorer.EXE
PID 1832 set thread context of 1244	1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	Explorer.EXE
PID 932 set thread context of 1244	932	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

932 NETSTAT.EXE

pid	process
932	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

New Offer to Thalassa Imports nv-sa._200317.xlsx.exeNETSTAT.EXE

pid	process
1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE
932	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

New Offer to Thalassa Imports nv-sa._200317.xlsx.exeNETSTAT.EXE

pid	process
1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
932	NETSTAT.EXE
932	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New Offer to Thalassa Imports nv-sa._200317.xlsx.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1832 New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
Token: SeDebugPrivilege 932 NETSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
Token: SeDebugPrivilege	932	NETSTAT.EXE

pid	process
1244	Explorer.EXE
1244	Explorer.EXE

pid	process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

New Offer to Thalassa Imports nv-sa._200317.xlsx.exeNew Offer to Thalassa Imports nv-sa._200317.xlsx.exeNETSTAT.EXE

description	pid	process	target process
PID 728 wrote to memory of 1832	728	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
PID 728 wrote to memory of 1832	728	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
PID 728 wrote to memory of 1832	728	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
PID 728 wrote to memory of 1832	728	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
PID 728 wrote to memory of 1832	728	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
PID 728 wrote to memory of 1832	728	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
PID 728 wrote to memory of 1832	728	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
PID 1832 wrote to memory of 932	1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	NETSTAT.EXE
PID 1832 wrote to memory of 932	1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	NETSTAT.EXE
PID 1832 wrote to memory of 932	1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	NETSTAT.EXE
PID 1832 wrote to memory of 932	1832	New Offer to Thalassa Imports nv-sa._200317.xlsx.exe	NETSTAT.EXE
PID 932 wrote to memory of 1048	932	NETSTAT.EXE	cmd.exe
PID 932 wrote to memory of 1048	932	NETSTAT.EXE	cmd.exe
PID 932 wrote to memory of 1048	932	NETSTAT.EXE	cmd.exe
PID 932 wrote to memory of 1048	932	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244

C:\Users\Admin\AppData\Local\Temp\New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\New Offer to Thalassa Imports nv-sa._200317.xlsx.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:728

C:\Users\Admin\AppData\Local\Temp\New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\New Offer to Thalassa Imports nv-sa._200317.xlsx.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
4⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:932

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\New Offer to Thalassa Imports nv-sa._200317.xlsx.exe"
5⤵
- Deletes itself
PID:1048

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/728-56-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download
memory/728-57-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/728-58-0x0000000000450000-0x0000000000457000-memory.dmp

Filesize
28KB

Download
memory/728-59-0x0000000004630000-0x000000000467C000-memory.dmp

Filesize
304KB

Download
memory/728-54-0x0000000000C80000-0x0000000000C81000-memory.dmp

Filesize
4KB

Download
memory/932-73-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/932-72-0x0000000000180000-0x0000000000189000-memory.dmp

Filesize
36KB

Download
memory/932-76-0x0000000001F30000-0x0000000001FC0000-memory.dmp

Filesize
576KB

Download
memory/932-75-0x00000000021B0000-0x00000000024B3000-memory.dmp

Filesize
3.0MB

Download
memory/932-71-0x0000000000000000-mapping.dmp

Download
memory/1048-74-0x0000000000000000-mapping.dmp

Download
memory/1244-67-0x00000000061A0000-0x00000000062F6000-memory.dmp

Filesize
1.3MB

Download
memory/1244-77-0x0000000006010000-0x0000000006107000-memory.dmp

Filesize
988KB

Download
memory/1244-70-0x0000000004AB0000-0x0000000004BA5000-memory.dmp

Filesize
980KB

Download
memory/1832-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1832-69-0x0000000000350000-0x0000000000361000-memory.dmp

Filesize
68KB

Download
memory/1832-68-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1832-65-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/1832-66-0x0000000000310000-0x0000000000321000-memory.dmp

Filesize
68KB

Download
memory/1832-63-0x000000000041D450-mapping.dmp

Download
memory/1832-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1832-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads