xloader | d9cee5cc1ff9b14e0c1604dfded72f085e39b1983c41b595660a60bfaab942b9

General

Target

SOA.exe
Size

258KB
MD5

9d806c39777c5c9fda47905df48b8851
SHA1

01bf9dbf205e2197f67d7a5b2eaf60f20d6785a1
SHA256

d9cee5cc1ff9b14e0c1604dfded72f085e39b1983c41b595660a60bfaab942b9
SHA512

0370634be0031d3b74bfdd772353d71afbdb5bfb7b8c4cba2bf34c355b6850202fb7f69c92ec6d625e18332effdad794a249ce89e71980908f0cd4c890311460

Score

10^/10

xloader b2c0 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b2c0

C2

http://www.thesewhitevvalls.com/b2c0/

Decoy

bjyxszd520.xyz

hsvfingerprinting.com

elliotpioneer.com

bf396.com

chinaopedia.com

6233v.com

shopeuphoricapparel.com

loccssol.store

truefictionpictures.com

playstarexch.com

peruviancoffee.store

shobhajoshi.com

philme.net

avito-rules.com

independencehomecenters.com

atp-cayenne.com

invetorsbank.com

sasanos.com

scentfreebnb.com

catfuid.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/860-56-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/860-57-0x000000000041D4C0-mapping.dmp	xloader
behavioral1/memory/1576-65-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

816 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

SOA.exe

pid process

1752 SOA.exe

pid	process
816	cmd.exe

pid	process
1752	SOA.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SOA.exeSOA.exemsdt.exe

description	pid	process	target process
PID 1752 set thread context of 860	1752	SOA.exe	SOA.exe
PID 860 set thread context of 1204	860	SOA.exe	Explorer.EXE
PID 1576 set thread context of 1204	1576	msdt.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

SOA.exemsdt.exe

pid	process
860	SOA.exe
860	SOA.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe
1576	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

SOA.exemsdt.exe

pid process

860 SOA.exe
860 SOA.exe
860 SOA.exe
1576 msdt.exe
1576 msdt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA.exemsdt.exe

description pid process

Token: SeDebugPrivilege 860 SOA.exe
Token: SeDebugPrivilege 1576 msdt.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE

pid	process
1204	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	860	SOA.exe
Token: SeDebugPrivilege	1576	msdt.exe

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

SOA.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 1752 wrote to memory of 860	1752	SOA.exe	SOA.exe
PID 1752 wrote to memory of 860	1752	SOA.exe	SOA.exe
PID 1752 wrote to memory of 860	1752	SOA.exe	SOA.exe
PID 1752 wrote to memory of 860	1752	SOA.exe	SOA.exe
PID 1752 wrote to memory of 860	1752	SOA.exe	SOA.exe
PID 1752 wrote to memory of 860	1752	SOA.exe	SOA.exe
PID 1752 wrote to memory of 860	1752	SOA.exe	SOA.exe
PID 1204 wrote to memory of 1576	1204	Explorer.EXE	msdt.exe
PID 1204 wrote to memory of 1576	1204	Explorer.EXE	msdt.exe
PID 1204 wrote to memory of 1576	1204	Explorer.EXE	msdt.exe
PID 1204 wrote to memory of 1576	1204	Explorer.EXE	msdt.exe
PID 1576 wrote to memory of 816	1576	msdt.exe	cmd.exe
PID 1576 wrote to memory of 816	1576	msdt.exe	cmd.exe
PID 1576 wrote to memory of 816	1576	msdt.exe	cmd.exe
PID 1576 wrote to memory of 816	1576	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:860

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1576

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
3⤵
- Deletes itself
PID:816

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

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

\Users\Admin\AppData\Local\Temp\nsyE25.tmp\uqtulaip.dll
MD5
caf266623a225825b399ea52ae005cb1

SHA1
b308eec19040c5e727a8b6f2ea3cade106a4c862

SHA256
3a20215f5aec509785a5500178b49846900f106e356153685e972d943d7c76e1

SHA512
2c67c07aae434578bee8d7f6e1f8c6a457bdfdf53de26c0000a4e665fe06bc724d41d8ba1c9a13b56a231bdd8a39cb1654aaf8d512c787d11b8798e31f6a3a83

Download Submit
memory/816-67-0x0000000000000000-mapping.dmp

Download
memory/860-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/860-57-0x000000000041D4C0-mapping.dmp

Download
memory/860-60-0x00000000002C0000-0x00000000002D1000-memory.dmp

Filesize
68KB

Download
memory/860-59-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/1204-61-0x0000000005DE0000-0x0000000005EB5000-memory.dmp

Filesize
852KB

Download
memory/1204-69-0x0000000006180000-0x00000000062AB000-memory.dmp

Filesize
1.2MB

Download
memory/1576-62-0x0000000000000000-mapping.dmp

Download
memory/1576-65-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1576-64-0x00000000005F0000-0x00000000006E4000-memory.dmp

Filesize
976KB

Download
memory/1576-66-0x00000000023A0000-0x00000000026A3000-memory.dmp

Filesize
3.0MB

Download
memory/1576-68-0x0000000001F10000-0x0000000001FA0000-memory.dmp

Filesize
576KB

Download
memory/1752-54-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads