44caliber | e155fc44d621963f11e29a3a0441720e5182930d40291f9702fff148894426f5

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 13:39

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General

Target

Insidious.exe
Size

303KB
MD5

665322163467881c0f67acdd516636ee
SHA1

f2aa4a06034ebb1a59682bcb793a57e9d32ab6f8
SHA256

e155fc44d621963f11e29a3a0441720e5182930d40291f9702fff148894426f5
SHA512

0bf5af0d13e1f52ac76b30209031c7457cac393c8f67dfd17c25b264b5d4ace82c4f48378d06de06b388d53ed063d700640b803dae62735a3c887973491d097f
SSDEEP

6144:oHhT6MDdbICydeBbWRIMmwKtptoF6vur0mI1D0RgQ:oHPJMmwKbtoji1DfQ

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1209526085927051385/EtvkHonNgrd7_Ed8XhPqpGby3BdFMb-sGGbiEy1W1YNXV_phazAD5tPhlHZHRXpX8qqv

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1992	Insidious.exe
1992	Insidious.exe
1992	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2780	1992	Insidious.exe	30
PID 1992 wrote to memory of 2780	1992	Insidious.exe	30
PID 1992 wrote to memory of 2780	1992	Insidious.exe	30

C:\Users\Admin\AppData\Local\Temp\Insidious.exe
"C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1992 -s 1172
  2⤵
  PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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/1992-0-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x0000000000370000-0x00000000003C2000-memory.dmp

Filesize
328KB

Download
memory/1992-4-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

Filesize
9.9MB

Download
memory/1992-20-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

Filesize
9.9MB

Download