coldstealer | b7ced61f4483ec3399647c776f0a83425a07a865e506f4cd2d7c05ad30af3d67

Analysis

max time kernel
30s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
18-06-2023 15:55

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General

Target

8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe
Size

156KB
MD5

758f815f3775e1b063eba3ab33479a9f
SHA1

967f2eb72c088fef9ac91611a09d54499e0958bb
SHA256

8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9
SHA512

911a58df4277e5d8e9c22ab6d2cc982563abbbe85b6f9043196e08e0500acf65d043cf1a37b71a9d6d0e53887ae9b1a7618aa87197417a622dc691fa2b856c86
SSDEEP

3072:G54cB9dds1FE/LY6aak+mJPU3zDmaLE/VUeNz36aCsr:G54c7dr/LYsOxauCOzX

Score

10^/10

coldstealer l9 discovery spyware stealer

Malware Config

Extracted

Family

coldstealer

Botnet

http://topexpertshop.com/

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:

8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe

pid process

1088 8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe

description pid process

Token: SeDebugPrivilege 1088 8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe

pid	process
1088	8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe

description	pid	process
Token: SeDebugPrivilege	1088	8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe

C:\Users\Admin\AppData\Local\Temp\8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe
"C:\Users\Admin\AppData\Local\Temp\8ab69eeff9996df8a6fde60ad7baecb3bc156d0f1f52f1e883c9636dad9c30b9.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1088

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/1088-54-0x00000000002E0000-0x0000000000310000-memory.dmp

Filesize
192KB

Download
memory/1088-55-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1088-56-0x0000000000170000-0x00000000001A0000-memory.dmp

Filesize
192KB

Download
memory/1088-57-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1088-77-0x0000000000540000-0x00000000005C0000-memory.dmp

Filesize
512KB

Download