xloader | 3f383c683795d277510e0fb4c806ae17bfb33dd6ff875b66c159068e58c28818

General

Target

arrival notice.exe
Size

661KB
MD5

692c22c9579ce47100a87e90f911b202
SHA1

29189325967d4716883edabb4c03a5a30d836896
SHA256

3f383c683795d277510e0fb4c806ae17bfb33dd6ff875b66c159068e58c28818
SHA512

98c6759ef92a350f570dd74b2c53d0307d1c8cf0f4b875ba5d2bb13f11e4bd39ef329b2131f45a18f7d48fdd24c2ab3c65370d71efe9f6975d4b3a4428419887

Score

10^/10

xloader n58i loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

n58i

C2

http://www.nordicbatterybelt.net/n58i/

Decoy

southerncircumstance.com

mcsasco.com

ifbrick.com

societe-anonyme.net

bantank.xyz

dogecoin.beauty

aboutacoffee.com

babalandlordrealestate.com

tintgta.com

integrity.directory

parwnr.icu

poltishof.online

stayandstyle.com

ickjeame.xyz

currentmotors.ca

pond.fund

petrosterzis.com

deadbydaylightpoints.com

hotel-balzac.paris

focusmaintainance.com

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/1676-66-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1676-67-0x000000000041D470-mapping.dmp	xloader
behavioral1/memory/852-73-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

624 cmd.exe

pid	process
624	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

arrival notice.exearrival notice.execmmon32.exe

description	pid	process	target process
PID 1120 set thread context of 1676	1120	arrival notice.exe	arrival notice.exe
PID 1676 set thread context of 1212	1676	arrival notice.exe	Explorer.EXE
PID 852 set thread context of 1212	852	cmmon32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

arrival notice.exearrival notice.execmmon32.exe

pid	process
1120	arrival notice.exe
1676	arrival notice.exe
1676	arrival notice.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe
852	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

arrival notice.execmmon32.exe

pid process

1676 arrival notice.exe
1676 arrival notice.exe
1676 arrival notice.exe
852 cmmon32.exe
852 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

arrival notice.exearrival notice.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1120 arrival notice.exe
Token: SeDebugPrivilege 1676 arrival notice.exe
Token: SeDebugPrivilege 852 cmmon32.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE

pid	process
1676	arrival notice.exe
1676	arrival notice.exe
1676	arrival notice.exe
852	cmmon32.exe
852	cmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1120	arrival notice.exe
Token: SeDebugPrivilege	1676	arrival notice.exe
Token: SeDebugPrivilege	852	cmmon32.exe

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

arrival notice.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1120 wrote to memory of 748	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 748	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 748	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 748	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 1676	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 1676	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 1676	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 1676	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 1676	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 1676	1120	arrival notice.exe	arrival notice.exe
PID 1120 wrote to memory of 1676	1120	arrival notice.exe	arrival notice.exe
PID 1212 wrote to memory of 852	1212	Explorer.EXE	cmmon32.exe
PID 1212 wrote to memory of 852	1212	Explorer.EXE	cmmon32.exe
PID 1212 wrote to memory of 852	1212	Explorer.EXE	cmmon32.exe
PID 1212 wrote to memory of 852	1212	Explorer.EXE	cmmon32.exe
PID 852 wrote to memory of 624	852	cmmon32.exe	cmd.exe
PID 852 wrote to memory of 624	852	cmmon32.exe	cmd.exe
PID 852 wrote to memory of 624	852	cmmon32.exe	cmd.exe
PID 852 wrote to memory of 624	852	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1212

C:\Users\Admin\AppData\Local\Temp\arrival notice.exe
"C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120

C:\Users\Admin\AppData\Local\Temp\arrival notice.exe
"C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
3⤵
PID:748

C:\Users\Admin\AppData\Local\Temp\arrival notice.exe
"C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1676

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
3⤵
- Deletes itself
PID:624

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/624-74-0x0000000000000000-mapping.dmp

Download
memory/852-71-0x0000000000000000-mapping.dmp

Download
memory/852-76-0x0000000000A50000-0x0000000000AE0000-memory.dmp

Filesize
576KB

Download
memory/852-75-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Filesize
3.0MB

Download
memory/852-73-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/852-72-0x0000000000EF0000-0x0000000000EFD000-memory.dmp

Filesize
52KB

Download
memory/1120-65-0x0000000001EB0000-0x0000000001EDB000-memory.dmp

Filesize
172KB

Download
memory/1120-60-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/1120-64-0x0000000005030000-0x000000000508C000-memory.dmp

Filesize
368KB

Download
memory/1120-63-0x00000000006B0000-0x00000000006B7000-memory.dmp

Filesize
28KB

Download
memory/1120-62-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/1212-70-0x0000000004FC0000-0x00000000050FA000-memory.dmp

Filesize
1.2MB

Download
memory/1212-77-0x0000000006E90000-0x0000000006FD6000-memory.dmp

Filesize
1.3MB

Download
memory/1676-68-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/1676-69-0x00000000002D0000-0x00000000002E1000-memory.dmp

Filesize
68KB

Download
memory/1676-67-0x000000000041D470-mapping.dmp

Download
memory/1676-66-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads