xloader | 769a104eb70d58e33f4d6ba232e5c179db1618604e62b31ceebdaf1dcae47b40

General

Target

QUOTATION '.exe
Size

885KB
MD5

2fdc9cdf35cbdd01b4f61eaa4d8d38a6
SHA1

a59e65c3ecc0c3f586bece4db3a085734c3e4da5
SHA256

c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041
SHA512

122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Score

10^/10

xloader c2ue loader persistence rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c2ue

C2

http://www.heidevelop.xyz/c2ue/

Decoy

isportdata.com

stellarex.energy

hsucollections.com

menuhaisan.com

joe-tzu.com

lumichargemktg.com

uae.tires

rapidcae.com

softwaresystemsolutions.com

s-galaxy.website

daewon-talks.net

northgamesnetwork.com

catalogue-bouyguestele.com

criativanet.com

theseasonalshift.com

actionfoto.online

openmaildoe.com

trashpenguin.com

ennopure.net

azurermine.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/772-66-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/772-67-0x000000000041D3A0-mapping.dmp	xloader
behavioral1/memory/1508-73-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader
behavioral1/memory/1844-93-0x000000000041D3A0-mapping.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\C8SDFTBPPFMT = "C:\\Program Files (x86)\\Zwnuxv4rh\\ThumbCacheg0h.exe"	svchost.exe

Executes dropped EXE 2 IoCs

Processes:

ThumbCacheg0h.exeThumbCacheg0h.exe

pid process

2024 ThumbCacheg0h.exe
1844 ThumbCacheg0h.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1792 cmd.exe

pid	process
2024	ThumbCacheg0h.exe
1844	ThumbCacheg0h.exe

pid	process
1792	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

QUOTATION '.exeQUOTATION '.exesvchost.exeThumbCacheg0h.exe

description	pid	process	target process
PID 1944 set thread context of 772	1944	QUOTATION '.exe	QUOTATION '.exe
PID 772 set thread context of 1276	772	QUOTATION '.exe	Explorer.EXE
PID 1508 set thread context of 1276	1508	svchost.exe	Explorer.EXE
PID 2024 set thread context of 1844	2024	ThumbCacheg0h.exe	ThumbCacheg0h.exe

Drops file in Program Files directory 2 IoCs

Processes:

svchost.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Zwnuxv4rh\ThumbCacheg0h.exe	svchost.exe
File created	C:\Program Files (x86)\Zwnuxv4rh\ThumbCacheg0h.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

QUOTATION '.exesvchost.exe

pid	process
772	QUOTATION '.exe
772	QUOTATION '.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe
1508	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

QUOTATION '.exesvchost.exe

pid process

772 QUOTATION '.exe
772 QUOTATION '.exe
772 QUOTATION '.exe
1508 svchost.exe
1508 svchost.exe
1508 svchost.exe
1508 svchost.exe

pid	process
1276	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

QUOTATION '.exesvchost.exeExplorer.EXEThumbCacheg0h.exe

description	pid	process
Token: SeDebugPrivilege	772	QUOTATION '.exe
Token: SeDebugPrivilege	1508	svchost.exe
Token: SeShutdownPrivilege	1276	Explorer.EXE
Token: SeDebugPrivilege	1844	ThumbCacheg0h.exe
Token: SeShutdownPrivilege	1276	Explorer.EXE

Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

QUOTATION '.exeExplorer.EXEsvchost.exeThumbCacheg0h.exe

description	pid	process	target process
PID 1944 wrote to memory of 772	1944	QUOTATION '.exe	QUOTATION '.exe
PID 1944 wrote to memory of 772	1944	QUOTATION '.exe	QUOTATION '.exe
PID 1944 wrote to memory of 772	1944	QUOTATION '.exe	QUOTATION '.exe
PID 1944 wrote to memory of 772	1944	QUOTATION '.exe	QUOTATION '.exe
PID 1944 wrote to memory of 772	1944	QUOTATION '.exe	QUOTATION '.exe
PID 1944 wrote to memory of 772	1944	QUOTATION '.exe	QUOTATION '.exe
PID 1944 wrote to memory of 772	1944	QUOTATION '.exe	QUOTATION '.exe
PID 1276 wrote to memory of 1508	1276	Explorer.EXE	svchost.exe
PID 1276 wrote to memory of 1508	1276	Explorer.EXE	svchost.exe
PID 1276 wrote to memory of 1508	1276	Explorer.EXE	svchost.exe
PID 1276 wrote to memory of 1508	1276	Explorer.EXE	svchost.exe
PID 1508 wrote to memory of 1792	1508	svchost.exe	cmd.exe
PID 1508 wrote to memory of 1792	1508	svchost.exe	cmd.exe
PID 1508 wrote to memory of 1792	1508	svchost.exe	cmd.exe
PID 1508 wrote to memory of 1792	1508	svchost.exe	cmd.exe
PID 1508 wrote to memory of 2040	1508	svchost.exe	Firefox.exe
PID 1508 wrote to memory of 2040	1508	svchost.exe	Firefox.exe
PID 1508 wrote to memory of 2040	1508	svchost.exe	Firefox.exe
PID 1508 wrote to memory of 2040	1508	svchost.exe	Firefox.exe
PID 1276 wrote to memory of 2024	1276	Explorer.EXE	ThumbCacheg0h.exe
PID 1276 wrote to memory of 2024	1276	Explorer.EXE	ThumbCacheg0h.exe
PID 1276 wrote to memory of 2024	1276	Explorer.EXE	ThumbCacheg0h.exe
PID 1276 wrote to memory of 2024	1276	Explorer.EXE	ThumbCacheg0h.exe
PID 1508 wrote to memory of 2040	1508	svchost.exe	Firefox.exe
PID 2024 wrote to memory of 1844	2024	ThumbCacheg0h.exe	ThumbCacheg0h.exe
PID 2024 wrote to memory of 1844	2024	ThumbCacheg0h.exe	ThumbCacheg0h.exe
PID 2024 wrote to memory of 1844	2024	ThumbCacheg0h.exe	ThumbCacheg0h.exe
PID 2024 wrote to memory of 1844	2024	ThumbCacheg0h.exe	ThumbCacheg0h.exe
PID 2024 wrote to memory of 1844	2024	ThumbCacheg0h.exe	ThumbCacheg0h.exe
PID 2024 wrote to memory of 1844	2024	ThumbCacheg0h.exe	ThumbCacheg0h.exe
PID 2024 wrote to memory of 1844	2024	ThumbCacheg0h.exe	ThumbCacheg0h.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1276

C:\Users\Admin\AppData\Local\Temp\QUOTATION '.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION '.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1944

C:\Users\Admin\AppData\Local\Temp\QUOTATION '.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:772

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.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:1508

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\QUOTATION '.exe"
3⤵
- Deletes itself
PID:1792

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2040

C:\Program Files (x86)\Zwnuxv4rh\ThumbCacheg0h.exe
"C:\Program Files (x86)\Zwnuxv4rh\ThumbCacheg0h.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2024

C:\Program Files (x86)\Zwnuxv4rh\ThumbCacheg0h.exe
"{path}"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1844

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Zwnuxv4rh\ThumbCacheg0h.exe
MD5
2fdc9cdf35cbdd01b4f61eaa4d8d38a6

SHA1
a59e65c3ecc0c3f586bece4db3a085734c3e4da5

SHA256
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

SHA512
122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Download Submit
C:\Program Files (x86)\Zwnuxv4rh\ThumbCacheg0h.exe
MD5
2fdc9cdf35cbdd01b4f61eaa4d8d38a6

SHA1
a59e65c3ecc0c3f586bece4db3a085734c3e4da5

SHA256
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

SHA512
122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Download Submit
C:\Program Files (x86)\Zwnuxv4rh\ThumbCacheg0h.exe
MD5
2fdc9cdf35cbdd01b4f61eaa4d8d38a6

SHA1
a59e65c3ecc0c3f586bece4db3a085734c3e4da5

SHA256
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

SHA512
122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Download Submit
memory/772-69-0x0000000000180000-0x0000000000191000-memory.dmp

Filesize
68KB

Download
memory/772-66-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/772-67-0x000000000041D3A0-mapping.dmp

Download
memory/772-68-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download
memory/1276-76-0x0000000002F10000-0x0000000002F20000-memory.dmp

Filesize
64KB

Download
memory/1276-78-0x0000000005020000-0x0000000005119000-memory.dmp

Filesize
996KB

Download
memory/1276-70-0x0000000004C70000-0x0000000004D4D000-memory.dmp

Filesize
884KB

Download
memory/1508-77-0x0000000000510000-0x00000000005A0000-memory.dmp

Filesize
576KB

Download
memory/1508-72-0x0000000000230000-0x0000000000238000-memory.dmp

Filesize
32KB

Download
memory/1508-73-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1508-74-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/1508-71-0x0000000000000000-mapping.dmp

Download
memory/1508-79-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1792-75-0x0000000000000000-mapping.dmp

Download
memory/1844-93-0x000000000041D3A0-mapping.dmp

Download
memory/1844-95-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download
memory/1944-60-0x0000000001330000-0x0000000001331000-memory.dmp

Filesize
4KB

Download
memory/1944-64-0x0000000005F20000-0x0000000005F9D000-memory.dmp

Filesize
500KB

Download
memory/1944-63-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/1944-62-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/1944-65-0x00000000009E0000-0x0000000000A0B000-memory.dmp

Filesize
172KB

Download
memory/2024-80-0x0000000000000000-mapping.dmp

Download
memory/2024-85-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

Filesize
4KB

Download
memory/2024-83-0x0000000001160000-0x0000000001161000-memory.dmp

Filesize
4KB

Download
memory/2040-87-0x000000013F590000-0x000000013F623000-memory.dmp

Filesize
588KB

Download
memory/2040-88-0x00000000024A0000-0x00000000025D1000-memory.dmp

Filesize
1.2MB

Download
memory/2040-86-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads