xloader | fcf7e7eea1f4983f876bb52b0e40e09fedf69a92dcec11be50ff87e169824601

General

Target

SOA_OCT 2021.exe
Size

269KB
MD5

75f24a7fd78d30dc1287852829e55fe1
SHA1

b5a09b34b18f14d44c311f84a5e705bdc6684e0c
SHA256

fcf7e7eea1f4983f876bb52b0e40e09fedf69a92dcec11be50ff87e169824601
SHA512

58e19c58f39ca00ff9d5be73271471eff557b7d5041d6f3d99dbb0f6417212e351f45199548e7884c5f54e52c56d8dab4d52c0f500627ca7c4647407f9c91b6d

Score

10^/10

xloader e8ia loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

e8ia

C2

http://www.helpfromjames.com/e8ia/

Decoy

le-hameau-enchanteur.com

quantumsystem-au.club

engravedeeply.com

yesrecompensas.lat

cavallitowerofficials.com

800seaspray.com

skifun-jetski.com

thouartafoot.com

nft2dollar.com

petrestore.online

cjcutthecord2.com

tippimccullough.com

gadget198.xyz

djmiriam.com

bitbasepay.com

cukierniawz.com

mcclureic.xyz

inthekitchenshakinandbakin.com

busy-clicks.com

melaniemorris.online

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/1228-57-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1228-58-0x000000000041D4D0-mapping.dmp	xloader
behavioral1/memory/1228-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1700-68-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wininit.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wininit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\LPXPD = "C:\\Program Files (x86)\\Cdl5xf\\chkdskpbchjl5.exe"	wininit.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1200 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

SOA_OCT 2021.exe

pid process

1296 SOA_OCT 2021.exe

pid	process
1200	cmd.exe

pid	process
1296	SOA_OCT 2021.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

SOA_OCT 2021.exeSOA_OCT 2021.exewininit.exe

description	pid	process	target process
PID 1296 set thread context of 1228	1296	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 1228 set thread context of 1384	1228	SOA_OCT 2021.exe	Explorer.EXE
PID 1228 set thread context of 1384	1228	SOA_OCT 2021.exe	Explorer.EXE
PID 1700 set thread context of 1384	1700	wininit.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wininit.exe

description ioc process

File opened for modification C:\Program Files (x86)\Cdl5xf\chkdskpbchjl5.exe wininit.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Program Files (x86)\Cdl5xf\chkdskpbchjl5.exe	wininit.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wininit.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-103686315-404690609-2047157615-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wininit.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

SOA_OCT 2021.exewininit.exe

pid	process
1228	SOA_OCT 2021.exe
1228	SOA_OCT 2021.exe
1228	SOA_OCT 2021.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe
1700	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

SOA_OCT 2021.exewininit.exe

pid process

1228 SOA_OCT 2021.exe
1228 SOA_OCT 2021.exe
1228 SOA_OCT 2021.exe
1228 SOA_OCT 2021.exe
1700 wininit.exe
1700 wininit.exe
1700 wininit.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA_OCT 2021.exewininit.exe

description pid process

Token: SeDebugPrivilege 1228 SOA_OCT 2021.exe
Token: SeDebugPrivilege 1700 wininit.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE

pid	process
1384	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1228	SOA_OCT 2021.exe
Token: SeDebugPrivilege	1700	wininit.exe

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

SOA_OCT 2021.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 1296 wrote to memory of 1228	1296	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 1296 wrote to memory of 1228	1296	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 1296 wrote to memory of 1228	1296	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 1296 wrote to memory of 1228	1296	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 1296 wrote to memory of 1228	1296	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 1296 wrote to memory of 1228	1296	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 1296 wrote to memory of 1228	1296	SOA_OCT 2021.exe	SOA_OCT 2021.exe
PID 1384 wrote to memory of 1700	1384	Explorer.EXE	wininit.exe
PID 1384 wrote to memory of 1700	1384	Explorer.EXE	wininit.exe
PID 1384 wrote to memory of 1700	1384	Explorer.EXE	wininit.exe
PID 1384 wrote to memory of 1700	1384	Explorer.EXE	wininit.exe
PID 1700 wrote to memory of 1200	1700	wininit.exe	cmd.exe
PID 1700 wrote to memory of 1200	1700	wininit.exe	cmd.exe
PID 1700 wrote to memory of 1200	1700	wininit.exe	cmd.exe
PID 1700 wrote to memory of 1200	1700	wininit.exe	cmd.exe
PID 1700 wrote to memory of 288	1700	wininit.exe	Firefox.exe
PID 1700 wrote to memory of 288	1700	wininit.exe	Firefox.exe
PID 1700 wrote to memory of 288	1700	wininit.exe	Firefox.exe
PID 1700 wrote to memory of 288	1700	wininit.exe	Firefox.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:1384

C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe
"C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1296

C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe
"C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1228

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SOA_OCT 2021.exe"
3⤵
- Deletes itself
PID:1200

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nsdC7E2.tmp\zqrogrizrdl.dll
MD5
111cf887cc57c1bfae19720dc6620c00

SHA1
5e2a2a3bb73df5351b019a757f3e4880ce4006be

SHA256
4461591c65cd4e32c75ece28af45fa02370d8b31404d4a8b73303208b7fa6dea

SHA512
0222ec6802c09238278604fe66a5eeac69b0dcff145104cbb11acac99998b6d35e3f5dd02c44c3674d7685574d7cf8c244ff3b4363a7c87c7392010612d5ad75

Download Submit
memory/1200-69-0x0000000000000000-mapping.dmp

Download
memory/1228-64-0x00000000005D0000-0x00000000005E1000-memory.dmp

Filesize
68KB

Download
memory/1228-58-0x000000000041D4D0-mapping.dmp

Download
memory/1228-61-0x0000000000570000-0x0000000000581000-memory.dmp

Filesize
68KB

Download
memory/1228-60-0x00000000006F0000-0x00000000009F3000-memory.dmp

Filesize
3.0MB

Download
memory/1228-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1228-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1296-55-0x00000000765D1000-0x00000000765D3000-memory.dmp

Filesize
8KB

Download
memory/1384-65-0x0000000006C60000-0x0000000006DE7000-memory.dmp

Filesize
1.5MB

Download
memory/1384-62-0x0000000006460000-0x0000000006548000-memory.dmp

Filesize
928KB

Download
memory/1384-72-0x0000000006E80000-0x0000000006F9B000-memory.dmp

Filesize
1.1MB

Download
memory/1700-66-0x0000000000000000-mapping.dmp

Download
memory/1700-67-0x0000000000720000-0x000000000073A000-memory.dmp

Filesize
104KB

Download
memory/1700-68-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1700-70-0x0000000001FF0000-0x00000000022F3000-memory.dmp

Filesize
3.0MB

Download
memory/1700-71-0x0000000000620000-0x00000000006B0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads