bbbfb4d66a6d1ff1fb9f476cc8607a2a0b1a0bb27bdaba095a3715489d8e4315

General

Target

Facturas.exe
Size

909KB
MD5

d75a4be4b55e4b2359298cde65d5fa9e
SHA1

4dd995bf2183bc545d422f67abd6f3666bb14e1e
SHA256

bbbfb4d66a6d1ff1fb9f476cc8607a2a0b1a0bb27bdaba095a3715489d8e4315
SHA512

b56490322992d50d188f1b34c3c6971df8893d7b2c5c3db428018ffbe3ae93f00f9b2338710eb6a7c98b63731316063346ea8a743bcc4033274f448dc60559b5

Score

7^/10

spyware evasion trojan persistence

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

Facturas.exeFacturas.exerundll32.exe

pid	process
616	Facturas.exe
1260	Facturas.exe
1260	Facturas.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Facturas.exeFacturas.exerundll32.exe

description	pid	process	target process
PID 616 set thread context of 1260	616	Facturas.exe	Facturas.exe
PID 1260 set thread context of 1264	1260	Facturas.exe	Explorer.EXE
PID 1428 set thread context of 1264	1428	rundll32.exe	Explorer.EXE

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Explorer.EXE

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Explorer.EXE
Drops file in Program Files directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Dithdvx\updateztqlxdix.exe rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Dithdvx\updateztqlxdix.exe	rundll32.exe

Adds Run entry to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\K62XHZYXTH = "C:\\Program Files (x86)\\Dithdvx\\updateztqlxdix.exe"	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Facturas.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 616 wrote to memory of 1260	616	Facturas.exe	Facturas.exe
PID 616 wrote to memory of 1260	616	Facturas.exe	Facturas.exe
PID 616 wrote to memory of 1260	616	Facturas.exe	Facturas.exe
PID 616 wrote to memory of 1260	616	Facturas.exe	Facturas.exe
PID 1264 wrote to memory of 1428	1264	Explorer.EXE	rundll32.exe
PID 1264 wrote to memory of 1428	1264	Explorer.EXE	rundll32.exe
PID 1264 wrote to memory of 1428	1264	Explorer.EXE	rundll32.exe
PID 1264 wrote to memory of 1428	1264	Explorer.EXE	rundll32.exe
PID 1264 wrote to memory of 1428	1264	Explorer.EXE	rundll32.exe
PID 1264 wrote to memory of 1428	1264	Explorer.EXE	rundll32.exe
PID 1264 wrote to memory of 1428	1264	Explorer.EXE	rundll32.exe
PID 1428 wrote to memory of 1508	1428	rundll32.exe	cmd.exe
PID 1428 wrote to memory of 1508	1428	rundll32.exe	cmd.exe
PID 1428 wrote to memory of 1508	1428	rundll32.exe	cmd.exe
PID 1428 wrote to memory of 1508	1428	rundll32.exe	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Facturas.exeFacturas.exerundll32.exe

pid process

616 Facturas.exe
1260 Facturas.exe
1260 Facturas.exe
1260 Facturas.exe
1428 rundll32.exe
1428 rundll32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Facturas.exerundll32.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 1260 Facturas.exe
Token: SeDebugPrivilege 1428 rundll32.exe
Token: SeShutdownPrivilege 1264 Explorer.EXE
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1508 cmd.exe
Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE
1264 Explorer.EXE
1264 Explorer.EXE
1264 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE
1264 Explorer.EXE
1264 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1260	Facturas.exe
Token: SeDebugPrivilege	1428	rundll32.exe
Token: SeShutdownPrivilege	1264	Explorer.EXE

pid	process
1508	cmd.exe

pid	process
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE

pid	process
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	rundll32.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1264

C:\Users\Admin\AppData\Local\Temp\Facturas.exe
"C:\Users\Admin\AppData\Local\Temp\Facturas.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
PID:616

C:\Users\Admin\AppData\Local\Temp\Facturas.exe
"C:\Users\Admin\AppData\Local\Temp\Facturas.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1260

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Adds Run entry to start application
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Modifies Internet Explorer settings
PID:1428

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Facturas.exe"
3⤵
- Deletes itself
PID:1508

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\1LRAN99E\1LRlogim.jpeg

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C:\Users\Admin\AppData\Roaming\1LRAN99E\1LRlogri.ini

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C:\Users\Admin\AppData\Roaming\1LRAN99E\1LRlogrv.ini

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memory/1260-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1260-1-0x000000000041B690-mapping.dmp

Download
memory/1428-2-0x0000000000000000-mapping.dmp

Download
memory/1428-3-0x00000000009D0000-0x00000000009DE000-memory.dmp

Filesize
56KB

Download
memory/1428-5-0x00000000030A0000-0x00000000031A1000-memory.dmp

Filesize
1.0MB

Download
memory/1428-6-0x0000000075760000-0x000000007576C000-memory.dmp

Filesize
48KB

Download
memory/1428-7-0x0000000076A70000-0x0000000076B8D000-memory.dmp

Filesize
1.1MB

Download
memory/1508-4-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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