44caliber | ca3c3aa03d433a067b297390a09bece2fd350813639e54dd97db18804e905a4c

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 15:13

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General

Target

c3adcc3845887d661c5b1c83d2056f54.exe
Size

252KB
MD5

c3adcc3845887d661c5b1c83d2056f54
SHA1

b9ee2a5e9c48e77662b3f1b72bf1c0c91a52acbf
SHA256

ca3c3aa03d433a067b297390a09bece2fd350813639e54dd97db18804e905a4c
SHA512

737d87e7cd1511f848bf46670926b418f3c6e285323ca9626073db5df787cfe762c5dd0fd96f67602b0e60f7f599a8e91ce2223b27bb9dda454ec72d41c5dcff
SSDEEP

3072:p77eMqu+6ju4ulnpsXMZ4jB/l3jAQ9iGbENKAZEi4Zr4Ekz1eaMjAmectmM3hI/5:ZeMu6A/ejB/hA2iGwREigc1z1eRbp5

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discordapp.com/api/webhooks/879667505914843196/FSgcks9wUtWqypXECLPBNeh9fcBnYszBQiHHlUp3kPibjIkzQVY427-k4YdajckQ8QQK

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Reads user/profile data of web browsers 2 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
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.

Processes:

flow ioc

2 freegeoip.app
3 freegeoip.app

flow	ioc
2	freegeoip.app
3	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

Processes:

c3adcc3845887d661c5b1c83d2056f54.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	c3adcc3845887d661c5b1c83d2056f54.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	c3adcc3845887d661c5b1c83d2056f54.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

c3adcc3845887d661c5b1c83d2056f54.exe

pid	process
2184	c3adcc3845887d661c5b1c83d2056f54.exe
2184	c3adcc3845887d661c5b1c83d2056f54.exe
2184	c3adcc3845887d661c5b1c83d2056f54.exe
2184	c3adcc3845887d661c5b1c83d2056f54.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c3adcc3845887d661c5b1c83d2056f54.exe

description pid process

Token: SeDebugPrivilege 2184 c3adcc3845887d661c5b1c83d2056f54.exe

description	pid	process
Token: SeDebugPrivilege	2184	c3adcc3845887d661c5b1c83d2056f54.exe

C:\Users\Admin\AppData\Local\Temp\c3adcc3845887d661c5b1c83d2056f54.exe
"C:\Users\Admin\AppData\Local\Temp\c3adcc3845887d661c5b1c83d2056f54.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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:\ProgramData\44\Process.txt

Filesize
412B

MD5
23e628e423c17425af5a0658dbecb904

SHA1
338f4beeb6e20a4c7547f88ef1ee1a8926960213

SHA256
5f6d992717421350eb96aa52ffa4085273032fa61462a12b8920afccf0962156

SHA512
2d8531b6924735649c51480ebdeaa4767560787620fe81c5fe6d20aed158de3b2a1b39fb84e6110828ab84a1875c97d1ed74216acd751436be8dab4dbe35b1ab

Download Submit
memory/2184-0-0x0000000000C70000-0x0000000000CB6000-memory.dmp

Filesize
280KB

Download
memory/2184-1-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

Filesize
9.9MB

Download
memory/2184-2-0x000000001B070000-0x000000001B0F0000-memory.dmp

Filesize
512KB

Download
memory/2184-49-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

Filesize
9.9MB

Download