Analysis
-
max time kernel
42s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
31-07-2022 10:55
Static task
static1
Behavioral task
behavioral1
Sample
5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exe
Resource
win10v2004-20220721-en
General
-
Target
5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exe
-
Size
677KB
-
MD5
fd4bcc51f6325388f8d2e6c3f6b32cee
-
SHA1
99f99a4b5655d01789e9ebe97effc7b64369c641
-
SHA256
5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f
-
SHA512
c7a8577cc54c05227768f079648414819673cbefb7d2824724683a702febb476ac38270f4ac4c98d5639fa789697e9738ef6e98487774b594d114bdecb3309e3
Malware Config
Extracted
coldstealer
l12
http://topexpertshop.com/
Signatures
-
Cold Stealer
An info stealer written in C#, first seen in Feb 2022.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exepid process 1072 5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exedescription pid process Token: SeDebugPrivilege 1072 5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exe"C:\Users\Admin\AppData\Local\Temp\5f9484bd0136da270398279a49369490fbb2ba4fa92e73126b60b75148da407f.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1072-55-0x0000000000400000-0x00000000004F8000-memory.dmpFilesize
992KB
-
memory/1072-54-0x0000000000400000-0x00000000004F8000-memory.dmpFilesize
992KB
-
memory/1072-56-0x0000000075C51000-0x0000000075C53000-memory.dmpFilesize
8KB
-
memory/1072-58-0x0000000000350000-0x000000000037A000-memory.dmpFilesize
168KB
-
memory/1072-64-0x0000000000260000-0x000000000027A000-memory.dmpFilesize
104KB
-
memory/1072-66-0x0000000000400000-0x00000000004F8000-memory.dmpFilesize
992KB
-
memory/1072-67-0x0000000000380000-0x00000000003B9000-memory.dmpFilesize
228KB