General
-
Target
sskiper.exe
-
Size
1003KB
-
Sample
210117-rz9rm26xk2
-
MD5
e2fdc51a0bf265af0a167f894f59b09e
-
SHA1
d0c01a7cca5210fa19e40d107c7affeb84846329
-
SHA256
07011e03e6fe27ec91e1f45c308d1a63f35317ecd39ccd6438a216e5a5008eb9
-
SHA512
d77708c8cc9d68cb93ad1da55a3dc8e344f8c931bdce7fc7801bf3ded57d7b365952da3fb5dfa998a52b59c1a8076208181d48e96774785f34e0be87807b37ad
Static task
static1
Behavioral task
behavioral1
Sample
sskiper.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
sskiper.exe
Resource
win10v20201028
Malware Config
Targets
-
-
Target
sskiper.exe
-
Size
1003KB
-
MD5
e2fdc51a0bf265af0a167f894f59b09e
-
SHA1
d0c01a7cca5210fa19e40d107c7affeb84846329
-
SHA256
07011e03e6fe27ec91e1f45c308d1a63f35317ecd39ccd6438a216e5a5008eb9
-
SHA512
d77708c8cc9d68cb93ad1da55a3dc8e344f8c931bdce7fc7801bf3ded57d7b365952da3fb5dfa998a52b59c1a8076208181d48e96774785f34e0be87807b37ad
-
Modifies WinLogon for persistence
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine Payload
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Looks for VirtualBox Guest Additions in registry
-
Blocklisted process makes network request
-
Executes dropped EXE
-
Looks for VMWare Tools registry key
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Deletes itself
-
Drops startup file
-
Loads dropped DLL
-
Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Legitimate hosting services abused for malware hosting/C2
-
Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
Suspicious use of SetThreadContext
-