44caliber | 4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36

Analysis

max time kernel
92s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2024 15:20

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General

Target

4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
Size

274KB
MD5

7e660d076ab21dccbd485801e651d6bf
SHA1

b451313e8e78c4a1389dbc6b709377fd5082ef83
SHA256

4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36
SHA512

bd9a475ad92e82ae71bbbee088a9af454ecb7348b93b4632a812f6180e165412a10000caf71d2f5844dce84fdcf3f015be7437c21ca7cec04a57370c7f7f6440
SSDEEP

6144:4f+BLtABPDsth6Ej/UZkI4TjkRy5BafTyUlI1D0KMB:LtK+I4TjkRypZ1DKB

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1146486791835230260/bE9QI2eAT_dyqn0dm7VljbMDjUklfKOXxq3ua0HOtKeG6TIgizThvorpCYQf2NEkabwH

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
5	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2584	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
2584	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
2584	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
2584	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe

C:\Users\Admin\AppData\Local\Temp\4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
"C:\Users\Admin\AppData\Local\Temp\4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2584

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

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Downloads

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

Filesize
1KB

MD5
c369c515ade51e31051ddc7be75eebe2

SHA1
dab82ebb3a483a065e6c7249e41356b9c14d1aa2

SHA256
fd7d79d3bad87b9ab824a38f65d3e3c17bc8b3ab24ff35178db324d300187b38

SHA512
ccf7211bece5813fe905e4590457c51ee100454c1d82fe6b3c69ba04b0d9af97ca2c2c6627161f6eea2e2350bba0dbfb5f5aebc79c8ea709b8cbd1bd801e931c

Download Submit
memory/2584-0-0x00007FFB1AC13000-0x00007FFB1AC15000-memory.dmp

Filesize
8KB

Download
memory/2584-1-0x0000024443750000-0x000002444379A000-memory.dmp

Filesize
296KB

Download
memory/2584-32-0x00007FFB1AC10000-0x00007FFB1B6D1000-memory.dmp

Filesize
10.8MB

Download
memory/2584-118-0x00007FFB1AC10000-0x00007FFB1B6D1000-memory.dmp

Filesize
10.8MB

Download