coldstealer | 1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68

Resubmissions

20-12-2022 12:52

221220-p399pshe34 10

05-12-2022 15:40

221205-s357jagb3v 7

Analysis

max time kernel
31s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
20-12-2022 12:52

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General

Target

1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe
Size

255KB
MD5

06b31367d65a411b1f2a7b3091fb31d4
SHA1

47be1a6ed1fe84ec5d243b34aa9a95cbf6866e80
SHA256

1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68
SHA512

89e87a0f14c62b7049123d027ef82dd80d54660d8fdbd883825d74d55d7292a530ee2f37f3100f393b5d4029290e1e789208ae2dedfb7e17b69d7b3c99e567d2
SSDEEP

3072:T8Cvk3KqfqyslOq626U/qr/eM13eIJQtDe2COXrTBN8Q9:T8Cvap5Rq626Uir2M8cQk2tXHD

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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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:

1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe

pid process

2040 1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe

description pid process

Token: SeDebugPrivilege 2040 1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe

pid	process
2040	1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe

description	pid	process
Token: SeDebugPrivilege	2040	1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe

C:\Users\Admin\AppData\Local\Temp\1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe
"C:\Users\Admin\AppData\Local\Temp\1adc1e62f3516859efcd426dad8c4f19c4c0e70869a9129255f4ef5be010cf68.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2040

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

Web Service

T1102

Impact

Replay Monitor

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Downloads

memory/2040-54-0x0000000000C10000-0x0000000000C56000-memory.dmp

Filesize
280KB

Download
memory/2040-55-0x0000000000240000-0x0000000000280000-memory.dmp

Filesize
256KB

Download