shurk | be32373f5df36c7a3a9fa576fcc3dc31e242311538524c0052b92cb8af60642f

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01-10-2023 20:37

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General

Target

be32373f5df36c7a3a9fa576fcc3dc31e242311538524c0052b92cb8af60642f_JC.exe
Size

16.2MB
MD5

473aac17809166bf28de22bc69be691d
SHA1

9d04afca26ad22d4f9a67e6c0ee7c2598a33f899
SHA256

be32373f5df36c7a3a9fa576fcc3dc31e242311538524c0052b92cb8af60642f
SHA512

6931e334c39e7e6c44b614ac4156448122816b3385e3c6b099b68c0cc21047440d215e8ac289ef78ff6992829d33334d765b87a5c6062b305fe86b3b4a079eaa
SSDEEP

24576:fwD3Xxz42akTMBIw8HSvYwgL2K9oU+7VkZ0f3iOm1rExLBnCq/L0sWaqt3zQbEH0:wz42akTMBx

Score

10^/10

shurk infostealer spyware stealer

Malware Config

Signatures

Shurk
Shurk is an infostealer, written in C++ which appeared in 2021.
infostealer shurk

Shurk Stealer payload 1 IoCs

resource	yara_rule
behavioral1/memory/1032-0-0x000007FFFF790000-0x000007FFFFFAB000-memory.dmp	shurk_stealer

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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	checkip.amazonaws.com

GoLang User-Agent 3 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	4	Go-http-client/1.1
HTTP User-Agent header	6	Go-http-client/1.1
HTTP User-Agent header	7	Go-http-client/1.1

C:\Users\Admin\AppData\Local\Temp\be32373f5df36c7a3a9fa576fcc3dc31e242311538524c0052b92cb8af60642f_JC.exe
"C:\Users\Admin\AppData\Local\Temp\be32373f5df36c7a3a9fa576fcc3dc31e242311538524c0052b92cb8af60642f_JC.exe"
1⤵
PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1032-1-0x0000000048BD0000-0x0000000049382000-memory.dmp

Filesize
7.7MB

Download
memory/1032-0-0x000007FFFF790000-0x000007FFFFFAB000-memory.dmp

Filesize
8.1MB

Download
memory/1032-14-0x0000000048BD0000-0x0000000049382000-memory.dmp

Filesize
7.7MB

Download