44caliber | eff592526e32ba395227cc4521588f2a3858583d66e652af84b4a5346b8104c2

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 19:27

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General

Target

Insidious.exe
Size

302KB
MD5

777e0fd76dce46c05e55564d8465632f
SHA1

05ca2a12ca319d20d8dfd64d46a88f88ec2a9a97
SHA256

eff592526e32ba395227cc4521588f2a3858583d66e652af84b4a5346b8104c2
SHA512

179365a7766653bd3de2f06304fbc25cb4dcac31edde723735cecd1a2f531b4692c4b9430a1f68832192f12494c6199a3e3fa6531cd09b67ff981d38cd8d7f90
SSDEEP

6144:ARlT6MDdbICydeBV9suqPmlF62Yr8RmA1D0+Tf:ART4uqPmH68b1DBf

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1262786010446696519/TF6h3fODHclXs66DoTWXW06HBQRMNnQ8AtN7KAb1UQJyUlcMqh_TPBHkwcOcPFBUoC1q

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
3	freegeoip.app
4	freegeoip.app

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Insidious.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Insidious.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3252	Insidious.exe
3252	Insidious.exe
3252	Insidious.exe
3252	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3252	Insidious.exe

C:\Users\Admin\AppData\Local\Temp\Insidious.exe
"C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3252

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
739B

MD5
eda30a8b0afe429b4088e6cd42e4c13b

SHA1
4250057dd83029fe88edf4e259f146a6c6551238

SHA256
86c6f9c37a33c2a2ca268a87b7de8cc4d3b507fdc0a28365fe277093da444e36

SHA512
e8fb17736ed29cf2ca549cd2384272e174fac0c85a41fb7bf428e590e9a757d0e0ff55031da10c779d8af1a7a4408f02a20092b93c722976d7428d3f743ccc60

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
933B

MD5
b76b0a8bd51cf06d3e9fcfa1c6d4de03

SHA1
31d9be357b00c42c56329f7be6c203322042c280

SHA256
dd02c64e512a3bc490c03b46a04be1eba921077a680c2fc61bd8591c7e3d9878

SHA512
10a9c083e28eb69d383fa527103fc1ae00226c8819d9743b9e275d3ab8a454549a9d285602285049ef20ec1b5849ea071bc78e494f452ea44870c58aa838c8cb

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
963B

MD5
27f9cd48d7cb51cdd0d41dc2b88e9e84

SHA1
f27a05651b5fbbbfbd453eb38c638251348132af

SHA256
8b2bc2ad103c949bdf4e294bf94ae206aecb061e66a3692e6e0e486e01e20153

SHA512
edf12e253cba2f43a3fc379e23c9b1634988e907213c24e9872403a4edb01105e75755404e30c5b04552d2c6ffa9d49cc1a2f96313eca7b1de2dbcd075627973

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
1KB

MD5
81a5a6d0b1cee6143067cf589b77ad1f

SHA1
d1d8b32f75cf699c3c86dd2fd51702e735a54d3f

SHA256
00bab6e404917081c42a833a8733f950cc96f276e5345abdaa64d42a73277e32

SHA512
e18b0ef4fe9a983fed0844f576888941208d040a3f393bcb99649c63d88bd17b4d45061ac54405cbd62b1814a875f8e7d21c0fd52600310c05e6a0ce3882d172

Download Submit
memory/3252-0-0x00007FFEFB173000-0x00007FFEFB175000-memory.dmp

Filesize
8KB

Download
memory/3252-1-0x0000025308AF0000-0x0000025308B42000-memory.dmp

Filesize
328KB

Download
memory/3252-28-0x00007FFEFB170000-0x00007FFEFBC31000-memory.dmp

Filesize
10.8MB

Download
memory/3252-118-0x00007FFEFB170000-0x00007FFEFBC31000-memory.dmp

Filesize
10.8MB

Download