isrstealer | fda31f149676a5c9010d283b6302cbd148691b3129ce4481e8d8c4fe2912639b

General

Target

fda31f149676a5c9010d283b6302cbd148691b3129ce4481e8d8c4fe2912639b
Size

659KB
Sample

221201-h6qk5sfc27
MD5

40c4dcef207f79fd87ed126feaf47b20
SHA1

170f9a30aced77be9f85393c26d937136c0aaf7d
SHA256

fda31f149676a5c9010d283b6302cbd148691b3129ce4481e8d8c4fe2912639b
SHA512

4835faee2c71a59746d473a3cc55142bb6530aa1d2ab65052feac0e8d100e3aa98f263814efc6dea212c226d87bc473713cc932810d796f6959952a7b4b802cc
SSDEEP

12288:8GtnpSXzRVLgoGugOoMkWMjj4bntiJqvDBV4bTnYtC4qVknvjjun6UHGG9:8GtnpqPLgnlOoN5fYM4quvWfd9

Score

10^/10

Malware Config

Targets

- Target
  
  fda31f149676a5c9010d283b6302cbd148691b3129ce4481e8d8c4fe2912639b
- Size
  
  659KB
- MD5
  
  40c4dcef207f79fd87ed126feaf47b20
- SHA1
  
  170f9a30aced77be9f85393c26d937136c0aaf7d
- SHA256
  
  fda31f149676a5c9010d283b6302cbd148691b3129ce4481e8d8c4fe2912639b
- SHA512
  
  4835faee2c71a59746d473a3cc55142bb6530aa1d2ab65052feac0e8d100e3aa98f263814efc6dea212c226d87bc473713cc932810d796f6959952a7b4b802cc
- SSDEEP
  
  12288:8GtnpSXzRVLgoGugOoMkWMjj4bntiJqvDBV4bTnYtC4qVknvjjun6UHGG9:8GtnpqPLgnlOoN5fYM4quvWfd9
Score

10^/10

isrstealer spyware stealer trojan upx
- ISR Stealer
  ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
  trojan stealer isrstealer
- ISR Stealer payload
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Reads data files stored by FTP clients
  Tries to access configuration files associated with programs like FileZilla.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Targets

ISR Stealer

ISR Stealer payload

Executes dropped EXE

UPX packed file

Checks computer location settings

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks

static1

behavioral1

behavioral2