xloader | e7db2cf6be0191ff0e4e3249e2a559be905e299124fd5ee0b9e2d31ffefce58d

General

Target

PO_101_130047762.exe
Size

641KB
MD5

64a55ea3ea24c0dc588b69a9b52d4d63
SHA1

6c18904214a95c08c5495a45666082fd619f3aff
SHA256

e7db2cf6be0191ff0e4e3249e2a559be905e299124fd5ee0b9e2d31ffefce58d
SHA512

34e43ee6d6c14aec0963140f0183cb8a3074eddddbe9f823135cd69f4815fd2adf4ceb4dd88f3c2e0da464cbdd82480a4f2e931e18924342cd0d6b16f4149f4f

Score

10^/10

xloader cuig loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

cuig

Decoy

redhatnova.com

campify.store

isra-cards.com

iv-enter.com

tenantsforum.com

kg-zenith.com

phapvietdental.com

001ox.com

xn--pgb3df.com

kodikannath.com

thedeliciousrestaurant.com

041atk.xyz

thebithunt.com

pferde-vitalsysteme.com

bantasis.com

gee-law.com

missionew.com

tancouj.quest

zerogamessober.com

metropolitanprohealth.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/1220-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1220-67-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1520-71-0x0000000000120000-0x0000000000149000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

604 cmd.exe

pid	process
604	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO_101_130047762.exePO_101_130047762.exechkdsk.exe

description	pid	process	target process
PID 1848 set thread context of 1220	1848	PO_101_130047762.exe	PO_101_130047762.exe
PID 1220 set thread context of 1420	1220	PO_101_130047762.exe	Explorer.EXE
PID 1220 set thread context of 1420	1220	PO_101_130047762.exe	Explorer.EXE
PID 1520 set thread context of 1420	1520	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

PO_101_130047762.exechkdsk.exe

pid	process
1220	PO_101_130047762.exe
1220	PO_101_130047762.exe
1220	PO_101_130047762.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe
1520	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PO_101_130047762.exechkdsk.exe

pid process

1220 PO_101_130047762.exe
1220 PO_101_130047762.exe
1220 PO_101_130047762.exe
1220 PO_101_130047762.exe
1520 chkdsk.exe
1520 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO_101_130047762.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1220 PO_101_130047762.exe
Token: SeDebugPrivilege 1520 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1420 Explorer.EXE
1420 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1420 Explorer.EXE
1420 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1220	PO_101_130047762.exe
Token: SeDebugPrivilege	1520	chkdsk.exe

pid	process
1420	Explorer.EXE
1420	Explorer.EXE

pid	process
1420	Explorer.EXE
1420	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

PO_101_130047762.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1848 wrote to memory of 1220	1848	PO_101_130047762.exe	PO_101_130047762.exe
PID 1848 wrote to memory of 1220	1848	PO_101_130047762.exe	PO_101_130047762.exe
PID 1848 wrote to memory of 1220	1848	PO_101_130047762.exe	PO_101_130047762.exe
PID 1848 wrote to memory of 1220	1848	PO_101_130047762.exe	PO_101_130047762.exe
PID 1848 wrote to memory of 1220	1848	PO_101_130047762.exe	PO_101_130047762.exe
PID 1848 wrote to memory of 1220	1848	PO_101_130047762.exe	PO_101_130047762.exe
PID 1848 wrote to memory of 1220	1848	PO_101_130047762.exe	PO_101_130047762.exe
PID 1420 wrote to memory of 1520	1420	Explorer.EXE	chkdsk.exe
PID 1420 wrote to memory of 1520	1420	Explorer.EXE	chkdsk.exe
PID 1420 wrote to memory of 1520	1420	Explorer.EXE	chkdsk.exe
PID 1420 wrote to memory of 1520	1420	Explorer.EXE	chkdsk.exe
PID 1520 wrote to memory of 604	1520	chkdsk.exe	cmd.exe
PID 1520 wrote to memory of 604	1520	chkdsk.exe	cmd.exe
PID 1520 wrote to memory of 604	1520	chkdsk.exe	cmd.exe
PID 1520 wrote to memory of 604	1520	chkdsk.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:1420

C:\Users\Admin\AppData\Local\Temp\PO_101_130047762.exe
"C:\Users\Admin\AppData\Local\Temp\PO_101_130047762.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1848

C:\Users\Admin\AppData\Local\Temp\PO_101_130047762.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1220

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO_101_130047762.exe"
3⤵
- Deletes itself
PID:604

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1220-65-0x0000000000180000-0x0000000000191000-memory.dmp

Filesize
68KB

Download
memory/1220-68-0x00000000002D0000-0x00000000002E1000-memory.dmp

Filesize
68KB

Download
memory/1220-67-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1220-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1220-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1220-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1220-64-0x0000000000A80000-0x0000000000D83000-memory.dmp

Filesize
3.0MB

Download
memory/1420-74-0x0000000007040000-0x000000000710B000-memory.dmp

Filesize
812KB

Download
memory/1420-69-0x0000000006320000-0x00000000063F2000-memory.dmp

Filesize
840KB

Download
memory/1420-66-0x0000000004BF0000-0x0000000004CE8000-memory.dmp

Filesize
992KB

Download
memory/1520-70-0x0000000000310000-0x0000000000317000-memory.dmp

Filesize
28KB

Download
memory/1520-71-0x0000000000120000-0x0000000000149000-memory.dmp

Filesize
164KB

Download
memory/1520-72-0x0000000001F30000-0x0000000002233000-memory.dmp

Filesize
3.0MB

Download
memory/1520-73-0x0000000001DF0000-0x0000000001E80000-memory.dmp

Filesize
576KB

Download
memory/1848-59-0x0000000001F80000-0x0000000001FB0000-memory.dmp

Filesize
192KB

Download
memory/1848-58-0x00000000055E0000-0x0000000005662000-memory.dmp

Filesize
520KB

Download
memory/1848-57-0x0000000000310000-0x000000000031A000-memory.dmp

Filesize
40KB

Download
memory/1848-56-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/1848-54-0x0000000010020000-0x00000000100C6000-memory.dmp

Filesize
664KB

Download
memory/1848-55-0x0000000075421000-0x0000000075423000-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