3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2

General

Target

3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe
Size

1.2MB
MD5

6cfa223ff643d058218d1f12b57d26a7
SHA1

ad3f357f1fe4ebdea553165f9066650adae0b962
SHA256

3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2
SHA512

b3ccc45e1bd360c17c886ae3f4e0895709885f1d1769e15738e497efc01bc66151b488a1c6c69d03f7b80ea844dc3fee9d9f22b5ad40db5a0757738adfe3d2cb

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:

3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.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:

3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1032 schtasks.exe

pid	process
1032	schtasks.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe

description	pid	process	target process
PID 1532 wrote to memory of 1032	1532	3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe	schtasks.exe
PID 1532 wrote to memory of 1032	1532	3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe	schtasks.exe
PID 1532 wrote to memory of 1032	1532	3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe	schtasks.exe
PID 1532 wrote to memory of 1032	1532	3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe
"C:\Users\Admin\AppData\Local\Temp\3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EpWPvCwTKb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6DFF.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6DFF.tmp

MD5
b0c68f62f5faab8b0396dee5d05859a6

SHA1
75049e08bf9176799d032ddd434ba6b4df77ec92

SHA256
482fe2855d66934f26f7f1d9cb6040ff44d406f177fd40572ea1cd0102a14ee8

SHA512
f9f463ab685cc16014b612d010da755c853df0cac62ada381010ab157c090084fcab8ea4c2d6d565361b8cf2e8823e64586c0f98448de2b071efbb1659a92570

Download Submit
memory/1532-55-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/1532-56-0x0000000000170000-0x000000000029E000-memory.dmp

Filesize
1.2MB

Download
memory/1532-57-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Filesize
4KB

Download
memory/1532-58-0x0000000000550000-0x0000000000564000-memory.dmp

Filesize
80KB

Download
memory/1532-59-0x0000000005840000-0x0000000005904000-memory.dmp

Filesize
784KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads