coldstealer | 597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
24-07-2022 03:49

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General

Target

597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe
Size

161KB
MD5

aa5015f2de4050e5fbde11d3f53f078e
SHA1

2486d40f1dc69cfc02d2265cf7ab961c00bac716
SHA256

597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5
SHA512

d15b1c8b8e985e11fa32a33b22b4fbedbc1d17c86cd29f4ca821531dc56dbe50f91e2afae1b2bc0c926f3773d63b77cf57911d02a3b0ba17ab7c192c83361dbe

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:

597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe

pid process

1848 597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe

description pid process

Token: SeDebugPrivilege 1848 597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe

pid	process
1848	597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe

description	pid	process
Token: SeDebugPrivilege	1848	597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe

C:\Users\Admin\AppData\Local\Temp\597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe
"C:\Users\Admin\AppData\Local\Temp\597a302a8139d659cf18bc681be3013c3c8bb3472e0fde49afb671d31fb9a0c5.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1848

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/1848-54-0x0000000000170000-0x00000000001A0000-memory.dmp

Filesize
192KB

Download
memory/1848-55-0x0000000000480000-0x00000000004B2000-memory.dmp

Filesize
200KB

Download