a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a

General

Target
jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
Size 709KB
Sample261002-lnjxesvt4j
SHA256 a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a
MD5 9dac7ebc520dbcfd816d94e6c415f640
SHA1 9127d6e7384a2a3921733f7666a51c411da9acd4
SHA512 43ca453507cbcea5ff08283bde475b7bd492e30a4d7d7daee5376c00d1b84d164ce63f17da3b017278ec63590bc39dddbef927555c543e9409cefce3008d6c73
SSDEEP 12288:5D8JH9Uo47uLQw8soXYgTtUoGoBRXjIjf5cqm+ctC:5D8JZKw8soXYSUoXRAcDC
TLSH
T192F46D2237E4E032E2724B346F6BD26556B5BC319870894FB7D43F3D2E706C29A25B16
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\g:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\t:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\x:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\e:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
	\??\f:\	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\i:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\o:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\w:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\m:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\n:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\p:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\r:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\u:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\v:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\y:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\z:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\h:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\j:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\k:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\l:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\q:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
File opened (read-only)	\??\s:	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a1c65c5f9218ccacdbd8a41792242ae26ee611bb7dcaf28d9aea88b2b898c21a.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:3608