xloader | fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1

General

Target

vsl_rfq01209800122.exe
Size

249KB
MD5

c348f7fa655d92a8af86e74aa75821e6
SHA1

3b9a060bb64b880595287fcc300d4b5513acb879
SHA256

fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1
SHA512

65b4275494e326fa96b9e89e95c9688097eaddde8af4b57cbe01471f01986239fc314b914952286d0e1fe9543f93c44964e9191cc95bea7b345be606862495b4

Score

10^/10

xloader igwa loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

igwa

Decoy

listingswithalex.com

funtabse.com

aydenwalling.com

prochal.net

superfoodsnederland.com

moldluck.com

dianekgordon.store

regionalhomescommercial.com

mysecuritymadesimple.com

malwaremastery.com

kodaikeiko.com

jrzg996.com

agricurve.net

songlingjiu.com

virginianundahfishingclub.com

friendschance.com

pastelpresents.com

answertitles.com

survival-hunter.com

nxfddl.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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1064-57-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1164-63-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1520 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

vsl_rfq01209800122.exe

pid process

2008 vsl_rfq01209800122.exe

pid	process
1520	cmd.exe

pid	process
2008	vsl_rfq01209800122.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vsl_rfq01209800122.exevsl_rfq01209800122.exewscript.exe

description	pid	process	target process
PID 2008 set thread context of 1064	2008	vsl_rfq01209800122.exe	vsl_rfq01209800122.exe
PID 1064 set thread context of 1284	1064	vsl_rfq01209800122.exe	Explorer.EXE
PID 1164 set thread context of 1284	1164	wscript.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 30 IoCs

Processes:

vsl_rfq01209800122.exewscript.exe

pid	process
1064	vsl_rfq01209800122.exe
1064	vsl_rfq01209800122.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe
1164	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vsl_rfq01209800122.exewscript.exe

pid process

1064 vsl_rfq01209800122.exe
1064 vsl_rfq01209800122.exe
1064 vsl_rfq01209800122.exe
1164 wscript.exe
1164 wscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vsl_rfq01209800122.exewscript.exe

description pid process

Token: SeDebugPrivilege 1064 vsl_rfq01209800122.exe
Token: SeDebugPrivilege 1164 wscript.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE

pid	process
1284	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1064	vsl_rfq01209800122.exe
Token: SeDebugPrivilege	1164	wscript.exe

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

vsl_rfq01209800122.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 2008 wrote to memory of 1064	2008	vsl_rfq01209800122.exe	vsl_rfq01209800122.exe
PID 2008 wrote to memory of 1064	2008	vsl_rfq01209800122.exe	vsl_rfq01209800122.exe
PID 2008 wrote to memory of 1064	2008	vsl_rfq01209800122.exe	vsl_rfq01209800122.exe
PID 2008 wrote to memory of 1064	2008	vsl_rfq01209800122.exe	vsl_rfq01209800122.exe
PID 2008 wrote to memory of 1064	2008	vsl_rfq01209800122.exe	vsl_rfq01209800122.exe
PID 2008 wrote to memory of 1064	2008	vsl_rfq01209800122.exe	vsl_rfq01209800122.exe
PID 2008 wrote to memory of 1064	2008	vsl_rfq01209800122.exe	vsl_rfq01209800122.exe
PID 1284 wrote to memory of 1164	1284	Explorer.EXE	wscript.exe
PID 1284 wrote to memory of 1164	1284	Explorer.EXE	wscript.exe
PID 1284 wrote to memory of 1164	1284	Explorer.EXE	wscript.exe
PID 1284 wrote to memory of 1164	1284	Explorer.EXE	wscript.exe
PID 1164 wrote to memory of 1520	1164	wscript.exe	cmd.exe
PID 1164 wrote to memory of 1520	1164	wscript.exe	cmd.exe
PID 1164 wrote to memory of 1520	1164	wscript.exe	cmd.exe
PID 1164 wrote to memory of 1520	1164	wscript.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:1284

C:\Users\Admin\AppData\Local\Temp\vsl_rfq01209800122.exe
"C:\Users\Admin\AppData\Local\Temp\vsl_rfq01209800122.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2008

C:\Users\Admin\AppData\Local\Temp\vsl_rfq01209800122.exe
"C:\Users\Admin\AppData\Local\Temp\vsl_rfq01209800122.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1064

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vsl_rfq01209800122.exe"
3⤵
- Deletes itself
PID:1520

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

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Downloads

\Users\Admin\AppData\Local\Temp\nsi1E6.tmp\rgyunbk.dll
MD5
102bdaa73ca322fbf4ceca5a598869f7

SHA1
b88c98aba6bc55637782a9e78a49ca3f32ef150c

SHA256
84c4f3dcd65df355ed10044404c126697b8c1e55a9b1c37e4b43b35c77ae10a1

SHA512
aad7fcc36fd66722ca027d689536d32c9ce6994ba5f34d6e891ae973963b7c85cea33b05fdcde140bf087ff98c7dc23c643c07a14baead7404a39a3b99a93d77

Download Submit
memory/1064-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1064-59-0x00000000005E0000-0x00000000009E3000-memory.dmp

Filesize
4.0MB

Download
memory/1064-60-0x00000000005C0000-0x00000000005D1000-memory.dmp

Filesize
68KB

Download
memory/1164-62-0x00000000009E0000-0x0000000000A06000-memory.dmp

Filesize
152KB

Download
memory/1164-63-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/1164-64-0x0000000002010000-0x0000000002313000-memory.dmp

Filesize
3.0MB

Download
memory/1164-65-0x0000000000AA0000-0x0000000000B30000-memory.dmp

Filesize
576KB

Download
memory/1284-61-0x0000000006B10000-0x0000000006C42000-memory.dmp

Filesize
1.2MB

Download
memory/1284-66-0x0000000006CD0000-0x0000000006E56000-memory.dmp

Filesize
1.5MB

Download
memory/2008-55-0x00000000760F1000-0x00000000760F3000-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