44caliber | 2809f0c07efc9d7937f9a4c3c5b9ee7e950f859717f1223d61463c1064d91fbd

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 15:46

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General

Target

Insidious.exe
Size

303KB
MD5

fbf3ddca500a4965c99447ea7e79cf6d
SHA1

582ad8da1b4b136e1ccef53200f1920b9baa24b9
SHA256

2809f0c07efc9d7937f9a4c3c5b9ee7e950f859717f1223d61463c1064d91fbd
SHA512

e0bab8e7bcdb2b7ddda0738bc352082ed2bb522fba0c9346d0a52550b1b7f80d41d9764d5603ab9a778e4e92c07d6fd0abada87abe45e8befa04ef939ad13300
SSDEEP

6144:g5hxT6MDdbICydeBvQ26i2dVTZ86jmA1D0mCT:g5dY26i2vTGY1D4T

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1321482296741859409/X1bn2jlvTd0y9AD60L8KRwYU6M1PtlXbovFDDG4UGVxu_AKL8j8gxu-Us5mRHlfUCPOy

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
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

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	freegeoip.app
2	freegeoip.app

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3508	Insidious.exe
3508	Insidious.exe
3508	Insidious.exe
3508	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3508	Insidious.exe

C:\Users\Admin\AppData\Local\Temp\Insidious.exe
"C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3508

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1156

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

C:\ProgramData\44\Process.txt

Filesize
1KB

MD5
bd0b0d0467d325b7aacbaeeee52dd1dc

SHA1
76fcbffdb3fe4ca01d3dc8c818df3a0f4a9750b7

SHA256
2b63d6b0763d8b2a8a5535f389d0561340d3099dfeedbc313e0faead7456ab6e

SHA512
1b7f8d50e5a7b254d172a8537aeae811b0f3f46b745c2446d35a736e7bdc74a481bcdc23ee92ef197a6e5d8d6b56249e6a3ad8a4bab181257f79fd4e909cd5e3

Download Submit
memory/3508-0-0x00007FFA0AAB3000-0x00007FFA0AAB5000-memory.dmp

Filesize
8KB

Download
memory/3508-1-0x000002694BFA0000-0x000002694BFF2000-memory.dmp

Filesize
328KB

Download
memory/3508-33-0x00007FFA0AAB0000-0x00007FFA0B571000-memory.dmp

Filesize
10.8MB

Download
memory/3508-118-0x00007FFA0AAB0000-0x00007FFA0B571000-memory.dmp

Filesize
10.8MB

Download