coldstealer | a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2

Analysis

max time kernel
98s
max time network
93s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08-11-2022 12:21

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General

Target

a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe
Size

206KB
MD5

e1d8b7bc27e4dc0588ef982d19f302fc
SHA1

990f4a93ce39cca549ba9e3a0a54db3d804e4297
SHA256

a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2
SHA512

4ebb33468fbc463d50abfc38cd352169b14affd73fdffff3f4a7eca1e867dcaef0f2909451762388d32cac938b098f7cdb1e7f2ffc0930bb637eaa8b7c24c04b
SSDEEP

6144:2al+UHUOqJjVwdRjdecMkuLG5HPTAULrs3EZ:JBIJjVwLVHPTrs

Score

10^/10

coldstealer discovery spyware stealer

Malware Config

Signatures

Cold Stealer
An info stealer written in C#, first seen in Feb 2022.
stealer coldstealer
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe

pid process

1364 a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe

description pid process

Token: SeDebugPrivilege 1364 a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe

pid	process
1364	a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe

description	pid	process
Token: SeDebugPrivilege	1364	a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe

C:\Users\Admin\AppData\Local\Temp\a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe
"C:\Users\Admin\AppData\Local\Temp\a96342f945f350742cc0ffef458f67f39cd38cecedfa07a45b5d28b814666ce2.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1364

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1364-54-0x0000000000BE0000-0x0000000000C1C000-memory.dmp

Filesize
240KB

Download
memory/1364-55-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1364-56-0x00000000006B0000-0x00000000006EA000-memory.dmp

Filesize
232KB

Download
memory/1364-57-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download