a3015093b23acb5ee6d0491eca81d6f8b2ad7d9b15181a9366e429e49cf6bf77

General

Target

facturaproforma#201803601.exe
Size

456KB
MD5

d778653148f01332e42a7161f0599f54
SHA1

e1249522a8ea1cee94b18c4bc7cd98d450fe3b23
SHA256

a3015093b23acb5ee6d0491eca81d6f8b2ad7d9b15181a9366e429e49cf6bf77
SHA512

14a271e1072c908cae64200f853c5a414888dc079ddad806e3bcd940e3e8798e8bccffc312bf091f8fb113dc25416c1b44373ca3d0454e987ba80962cd01be61

Score

9^/10

evasion

Malware Config

Signatures

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

facturaproforma#201803601.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	facturaproforma#201803601.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	facturaproforma#201803601.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

facturaproforma#201803601.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	facturaproforma#201803601.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	facturaproforma#201803601.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1896 656 WerFault.exe facturaproforma#201803601.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1896 WerFault.exe
1896 WerFault.exe
1896 WerFault.exe
1896 WerFault.exe
1896 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1896 WerFault.exe

pid	pid_target	process	target process
1896	656	WerFault.exe	facturaproforma#201803601.exe

pid	process
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1896	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

facturaproforma#201803601.exe

description	pid	process	target process
PID 656 wrote to memory of 1896	656	facturaproforma#201803601.exe	WerFault.exe
PID 656 wrote to memory of 1896	656	facturaproforma#201803601.exe	WerFault.exe
PID 656 wrote to memory of 1896	656	facturaproforma#201803601.exe	WerFault.exe
PID 656 wrote to memory of 1896	656	facturaproforma#201803601.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\facturaproforma#201803601.exe
"C:\Users\Admin\AppData\Local\Temp\facturaproforma#201803601.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 888
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1896

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/656-55-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/656-57-0x0000000076431000-0x0000000076433000-memory.dmp

Filesize
8KB

Download
memory/656-58-0x0000000001F20000-0x0000000001F21000-memory.dmp

Filesize
4KB

Download
memory/656-59-0x00000000004E0000-0x00000000004E8000-memory.dmp

Filesize
32KB

Download
memory/656-60-0x0000000005120000-0x000000000517B000-memory.dmp

Filesize
364KB

Download
memory/1896-61-0x0000000000000000-mapping.dmp

Download
memory/1896-62-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads